GITNUXSOFTWARE ADVICE
Business Process OutsourcingTop 10 Best Payment Processing Software of 2026
Compare payment processing software options with key features and fit notes for businesses evaluating Stripe Payments, Adyen, or Square Payments.
How we ranked these tools
Vendors set the topic, but our editors set the inclusion criteria and the evaluation framework before research starts.
Agents extract product evidence with provenance, then collect written reviews and transcribe video reviews and podcasts.
Framework: Features 40% · Ease 30% · Value 30%
Gitnux may earn a commission through links on this page — this does not influence rankings. Editorial policy
Stripe Payments is the best pick for engineering teams that want one API with consistent webhook-driven state sync, since its Payment Intents and Setup Intents map cleanly to event delivery across charges and refunds, whereas Adyen fits global teams thanks to its unified lifecycle events that align with reconciliation and settlement reporting.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
Stripe Payments
Webhook event delivery mapped to Payment Intents and Setup Intents, enabling event-driven state synchronization across services.
Best for: Fits when engineering teams want one payments API with consistent webhook-driven operations.
Adyen
Editor pickEvent-driven transaction lifecycle through REST API webhooks that map payment state changes to reconciliation workflows.
Best for: Fits when global teams need a single API for transaction lifecycle automation and settlement-aligned reporting.
Square Payments
Editor pickSquare Dashboard ties payment actions, refunds, and disputes to both POS and online selling workflows.
Best for: Fits when retail and services teams want one operational dashboard across in-person and online payments.
Comparison Table
Stripe Payments
API-firstProgrammable online payment infrastructure supporting global card payouts and bank transfers.
Webhook event delivery mapped to Payment Intents and Setup Intents, enabling event-driven state synchronization across services.
Stripe Payments is geared for teams that need an integration-first approach where payment lifecycle events are emitted consistently and consumed through REST endpoints and webhooks. The core capabilities cover card-present integrations via supported hardware and card-not-present flows via API and hosted checkout, with Payment Intents and Setup Intents carrying client secret flows that reduce custom UI work. Administrative controls support product and payment method configuration, plus event visibility for operational debugging. For governance, Stripe includes role-based access features and audit-friendly operational logs for account administrators.
A key tradeoff is that platform-scale deployments can require careful webhook verification, idempotency key discipline, and environment separation to avoid duplicated side effects. Stripe also relies on additional configuration layers for specialized cases like complex marketplace routing and deep reconciliation needs across many ledgers. Stripe works best when the team wants one payments system to cover authorization, capture, retries, refunds, and subscription lifecycle, while downstream finance systems consume the same event stream.
- +Unified payment lifecycle via Payment Intents and Setup Intents
- +High event coverage through webhooks for charge, refund, and subscription state
- +Hosted checkout reduces custom frontend and faster payment method enablement
- +Strong marketplace and payout tooling for multi-party payment flows
- –Webhook verification and idempotency discipline take engineering effort
- –Advanced reconciliation across multiple ledgers needs careful event-to-ledger mapping
- –Some payment method features require extra configuration and fallbacks
SaaS engineering and billing teams
Subscriptions with card and wallet retries
Fewer payment state mismatches
Marketplace platform teams
Multi-party payouts and routing
Automated reconciliation for marketplaces
Show 1 more scenario
E-commerce product teams
Hosted checkout for multi-method acceptance
Faster checkout rollout
Ship a hosted payment flow with consistent confirmation events into order management.
Best for: Fits when engineering teams want one payments API with consistent webhook-driven operations.
Adyen
enterpriseUnified payments platform for online, in-person, and marketplace transactions with direct acquiring in many markets.
Event-driven transaction lifecycle through REST API webhooks that map payment state changes to reconciliation workflows.
Adyen targets global merchants with a single payments stack that reaches across card-present, card-not-present, and alternative payment methods. Its integration depth shows in a consistent API surface for payment orchestration, transaction lifecycle events, and reconciliation workflows.
Adyen also supports strong operational control through configurable risk and authorization behaviors and centralized reporting that maps to settlement outcomes. For teams that need high-throughput processing with predictable system-to-processor messaging, the automation and webhook patterns reduce custom glue work.
- +Unified API for payments, refunds, and lifecycle events
- +High operational control with granular authorization and risk configuration
- +Webhook-first design for transaction state and reconciliation triggers
- +Settlement-focused reporting supports systematic reconciliation workflows
- –Complex integration depth increases effort for small engineering teams
- –Chargeback and dispute workflows can require extra operational process design
- –Event handling needs disciplined idempotency and retry logic
- –Most advanced capabilities depend on enabling the right add-ons and configuration
Commerce and payments teams
Unify ecommerce and in-store payment workflows
Consistent transaction records across channels
Developers and product teams
Control checkout routing and async updates
More predictable checkout state handling
Show 2 more scenarios
Global expansion teams
Accept local methods across multiple countries
Consolidated global transaction processing
Manage acquiring and local payment methods so customers see region-appropriate options in each market.
Payments operations teams
Track wallet authorizations and captures
Payment events tied to operations
Connect wallet and alternative payment events to the authorization, capture, and operational lifecycle records.
Best for: Fits when global teams need a single API for transaction lifecycle automation and settlement-aligned reporting.
Square Payments
SMBAccept in-person and online payments through Square's payment processing tools.
Square Dashboard ties payment actions, refunds, and disputes to both POS and online selling workflows.
Square Payments delivers end-to-end payment handling across in-person and online channels, with a dashboard that groups payments, refunds, and dispute status in one operational view. Web and mobile implementations rely on Square’s hosted checkout and payment form patterns, which reduces integration time but also constrains low-level control compared with API-first gateway stacks. Square’s automation surface shows up most clearly through webhook-driven events tied to Square payment actions, which helps synchronize order states and customer records. For teams prioritizing faster operational setup and a consistent merchant workflow, the integration depth into Square’s commerce tools is the deciding factor.
A concrete limitation appears when a business needs a processor-agnostic data flow that it fully controls, because Square’s payment flow shape stays closer to its product models than to raw message-level control. Square also fits better when volume and use cases align with supported payment methods and settlement behavior rather than custom acquiring routing. A common usage situation is a retail or services operator moving from in-store swipes to online invoices while keeping one operational dashboard for refunds and disputes.
- +Unified dashboard for payments, refunds, and disputes across channels
- +Hosted checkout and payment forms reduce integration effort for online sales
- +Webhook events support syncing orders and payment status into internal systems
- +Multi-location administration fits common retail and service org structures
- –Low-level control is limited compared with fully API-driven gateway builds
- –Custom payment flows often depend on Square-supported patterns
- –Reporting exports can feel less flexible for finance teams with strict schemas
- –Some advanced workflows require add-on tooling rather than processor-level configuration
Retail operations teams
Unify in-store and online refunds
Fewer handoffs across channels
SMB ecommerce teams
Launch hosted checkout quickly
Faster time to payments
Show 1 more scenario
Service businesses
Accept payments via invoices
Lower billing administration overhead
Operations send invoices and manage payout status and refund requests from one dashboard.
Best for: Fits when retail and services teams want one operational dashboard across in-person and online payments.
Worldpay
enterpriseGlobal payment processing provider for ecommerce, in-store, and enterprise merchant payment operations.
Worldpay dispute and back-office workflows geared toward operational teams handling chargebacks end to end.
Worldpay fits teams that need global acquiring and issuing coverage with enterprise-style governance across multiple payment methods. The service supports card payments, ACH, and local payment rails through a managed processing stack that ties into checkout and back office flows.
- +Broad payment method coverage across card and bank rails
- +Enterprise reporting for settlement, disputes, and operational reconciliation
- +Configuration options for payment routing and risk checks
- +Integration paths for ISV and platform-led implementations
- –Deeper governance workflows can slow initial setup
- –API depth varies by channel and may require partner support
- –Hosted checkout customization can be limited versus custom UI builds
- –Operational reconciliation workflows may need internal process mapping
Retailers with omnichannel sales
Manage card acceptance across channels
Unified payment operations
Payment engineering teams
Integrate authorization and event updates
Programmatic payment workflow control
Show 2 more scenarios
Merchants with limited engineering capacity
Use hosted checkout for faster launches
Managed checkout path
Adopt provider-hosted checkout flows to reduce custom payment logic while keeping operations managed.
Software platform providers
Embed payment acceptance into product
Payments embedded in customer workflow
Add merchant onboarding, reporting, and payment management inside an existing software offering.
Best for: Fits when global teams need multi-rail payment processing with enterprise ops and controlled integrations.
PayPal Complete Payments
SMBOnline payment software for card processing, wallet payments, and checkout conversion tools.
Payment status webhooks with hosted checkout support for PayPal and card flows.
PayPal Complete Payments combines PayPal checkout and merchant account capabilities with payment handling for cards and alternative methods. The core value is an API surface that supports payment initiation, confirmation flows, and post-payment webhooks for reconciliation.
- +Webhook-driven payment lifecycle events for downstream order systems
- +Hosted checkout options reduce frontend complexity for card and PayPal methods
- +Dispute management tools centralize chargeback workflows
- +Clear payment status transitions for idempotent processing
- –Advanced orchestration across multiple acquirers can require extra engineering
- –Reporting granularity lags top tier gateways for some transaction fields
- –Some regional payout and method coverage varies by onboarding path
- –Requires disciplined configuration to avoid mismatched redirect and webhook handling
Ecommerce platforms
Use PayPal checkout with unified webhooks
Fewer status mismatches
Marketplace operations
Manage disputes across sub-merchants
Faster dispute resolution
Show 1 more scenario
Growth engineering teams
Automate payment lifecycle updates
Lower operational overhead
Engineering teams build idempotent payment confirmation and post-payment workflows using webhook callbacks.
Best for: Fits when teams want PayPal-centric checkout plus API events for order and dispute workflows.
Razorpay
regionalPayments platform for online collections, payment links, subscriptions, and business banking workflows.
Webhook-first transaction handling with granular events for payment and refund lifecycle updates.
Razorpay is a payment processing software used by merchants to accept online payments with a unified checkout and transaction APIs. It provides an extensive set of payment methods for India-focused flows, including card payments and bank transfers, plus recurring payment controls for subscriptions.
- +Broad payment-method coverage for India-centric checkout flows
- +Webhooks support automated order state updates and refund workflows
- +Clear transaction lifecycle APIs for capture, refunds, and status reads
- +Operational dashboards include reporting views for reconciliation work
- –Complex setup for multi-environment testing with payment-method edge cases
- –Admin controls lag advanced governance needs like fine-grained RBAC
- –Some reconciliation workflows require manual stitching across exports
- –Card-present and EMV certification workflows are not a primary focus
Merchants with in-person collection
Initiate QR payments with reconciliation
QR collections tied to status
Indian merchants
Collect UPI, cards, and bank transfers
Broader local payment access
Show 2 more scenarios
Small business and sales teams
Collect payments via links or invoices
Lightweight invoice collections
Request and collect payments remotely without building a fully custom checkout page.
Ecommerce merchants
Run hosted or custom online checkout
Order-linked payment flow
Accept payments through hosted checkout or a custom interface connected to payment APIs and webhooks.
Best for: Fits when mid-market teams need India-focused payment method coverage plus webhook-driven order automation.
Stax
SMBSubscription-priced payment processing software with invoicing, virtual terminal, and recurring billing tools.
Centralized tokenization plus event-driven payment lifecycle callbacks that keep merchant systems synchronized.
Stax is a payment processing and orchestration service that focuses on routing, tokenization, and lifecycle tooling around payment flows. It provides API endpoints for initiating payments, handling asynchronous payment events, and managing credentials and connected accounts.
- +Event-driven webhooks reduce polling for payment status updates
- +Tokenization tooling supports safer storage of payment credentials
- +Granular connector configuration helps maintain routing consistency
- +Sandbox environment supports end-to-end integration testing workflows
- –Some onboarding steps require coordination across connected accounts
- –Reconciliation detail depends on how applications model transactions
- –Edge-case handling for retries needs explicit integration logic
- –API surface is broad but increases implementation time for new teams
Software companies and platform teams
Embed payment tools in a product
Integrated payment experience
Small and midsize merchants
Process payments across key channels
Acceptance across sales channels
Show 2 more scenarios
Engineering and payment operations
Automate updates for payment events
More consistent payment-state handling
Use webhooks and workflow rules to respond to authorization, capture, retry, refund, and settlement events.
Operations teams with staged charges
Collect one-time and installment payments
Shareable payment journeys
Use payment links or hosted checkout to collect immediate charges and scheduled installments.
Best for: Fits when teams need an API-first processor layer with tokenization and webhook automation.
Checkout.com
enterpriseCloud payment processing platform focused on enterprise merchants, global acquiring, and customizable payment flows.
Dispute and chargeback operations are exposed through event-driven flows that keep reconciliation and customer actions synchronized.
Checkout.com routes card and alternative payments through a single API that supports gateway-like checkout experiences and direct acquiring integrations. It provides detailed payment lifecycle controls, including configurable authentication behavior and event-driven webhooks for authorization, capture, refunds, and disputes.
- +Consistent REST API for authorization to refund and dispute workflows
- +Webhooks deliver granular payment status events for automation and alerting
- +Hosted checkout option reduces time-to-market for new payment methods
- +Settlement-focused reporting supports operational reconciliation processes
- –More integration work than hosted-only gateways for complex payment orchestration
- –Authentication configuration requires careful tuning across regions and payment methods
Digital merchants and card teams
Process debit and card transactions
Consistent transaction monitoring
Payment strategy and ops teams
Control routing across methods and regions
Centralized routing control
Show 2 more scenarios
Payment engineering teams
Build server-controlled checkout flows
Custom workflow execution
Implement custom checkout by driving payment states and operational actions through the REST API.
International ecommerce teams
Accept cards and local methods globally
Broader consistent payment setup
Set up consistent acceptance for cards and local payment methods across different markets using one service.
Best for: Fits when payments teams need API-first control over authentication, lifecycle events, and settlement operations.
Authorize.net
SMBPayment gateway and processing solution for card acceptance, ecommerce checkout, invoicing, and recurring billing.
Authorize.net ARB recurring billing support and its lifecycle management for subscription-style payments.
Authorize.net combines gateway connectivity with a recurring billing product for subscription-style payments.
- +Mature transaction reporting and export tools for settlement and dispute workflows
- +ARB recurring billing endpoints support subscription-style processing without custom scheduling
- +Hosted checkout options reduce PCI-DSS scope for card data handling
- +REST API plus webhooks support automation around authorization and capture states
- –Recurring billing configuration can become rigid as plans and proration rules grow
- –API surface requires careful mapping of transaction states and response codes
- –Throughput and latency depend on gateway integration design and retry handling
- –Advanced fraud tooling is not native to the gateway and needs external systems
Customer service payment teams
Take payments using hosted pages
Assisted payments with status tracking
Developers and payment engineering teams
Automate payment lifecycle actions
Lifecycle actions tied to systems
Show 2 more scenarios
Fraud and payment operations teams
Apply verification and fraud filters
Extra checks for suspicious activity
Use address and card-code checks plus configurable filters to add screening for card-not-present submissions.
Established merchants and support teams
Charge returning customers with profiles
Less checkout friction for repeats
Use reusable customer billing profiles and saved-payment workflows to reduce repeated data entry.
Best for: Fits when mid-market teams need stable gateway APIs, hosted checkout options, and recurring billing automation.
PaymentCloud
vertical specialistMerchant payment processing platform focused on ecommerce, virtual terminals, and higher-risk business categories.
Recurring billing and related account servicing workflows designed for subscription payment collection.
PaymentCloud targets businesses that need acquiring services plus gateway and API-style connectivity for card and ACH payments. Core capabilities include payment processing workflows, fraud and risk controls, and recurring billing features for subscription use cases.
- +Recurring billing support for subscription-style payment schedules
- +Risk controls and review workflows for card transactions
- +ACH and card processing under one vendor relationship
- +Account onboarding and operational support for live payment launches
- –API surface and automation depth can be less developer self-serve than peers
- –Hosted and partner-mediated integration paths can limit control in edge cases
- –Reconciliation and dispute workflows may require tighter internal process ownership
- –Configuration changes can depend on support coordination instead of full admin autonomy
Sales teams and service businesses
Collect keyed card payments via virtual terminal
Remote payments without customer checkout
Restricted and regulated-industry businesses
Set up underwriting-guided payment processing
Processing built around risk controls
Show 2 more scenarios
Resellers and ISOs
Operate white-label merchant services
Partner-operated payment offering
Run partner onboarding and sub-merchant operations through managed workflows for underwriting, risk, and disputes.
Merchants needing ACH collections
Accept electronic checks for remote orders
Additional method for remote collections
Collect electronic-check and ACH payments for online and phone orders alongside card-processing workflows.
Best for: Fits when teams need card and ACH processing with managed onboarding and acceptable integration depth.
Conclusion
After evaluating 10 payment processing software, Stripe Payments stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right Payment Processing Software
Payment processing software connects an online checkout or in-person card flow to acquiring and processing capabilities, while exposing APIs and webhooks for authorization, capture, refunds, and dispute events. This guide covers Square, Stripe, PayPal, Adyen, Checkout.com, Worldpay, Authorize.net, Razorpay, Stax, and PaymentCloud based on how each product models payment lifecycles and how it fits into existing engineering and ops workflows.
Teams comparing payment processing software often start with integration surface and automation depth, then move to governance controls needed for reconciliation and dispute handling. Square leads the set for webhook-driven payment and payout lifecycle events, while Stripe is organized around a unified PaymentIntents API model that standardizes state changes across card and ACH.
Integration and automation criteria for Payment Processing Software
Payment processing software must expose a consistent set of identifiers and state transitions so orders, refunds, and disputes can be synchronized without manual reconciliation. Event-driven webhooks and a stable API surface decide whether automation can replace polling and whether state machines stay consistent across card and bank rails.
Payment lifecycle event model and webhook reliability
Square webhooks deliver payment and payout lifecycle events that power automated fulfillment and reconciliation workflows. Stripe PaymentIntents centralize authorization, capture, and asynchronous status changes through one API plus a webhook event stream.
Unified API pattern for payments, refunds, and disputes
Adyen provides a unified transaction lifecycle REST API plus event-driven webhooks that map payment state changes into reconciliation workflows. Checkout.com exposes a consistent REST API for authorization to refund and dispute workflows with granular webhook events.
Recurring billing endpoints and lifecycle governance
Authorize.net ARB recurring billing support includes lifecycle management endpoints that suit subscription-style processing. PaymentCloud focuses on recurring billing and account servicing workflows for subscription payment collection.
Ops depth for chargebacks and back-office dispute handling
Worldpay targets operational teams with dispute and back-office workflows geared toward end-to-end chargeback handling. Checkout.com and Adyen both expose dispute workflows through event-driven flows that keep customer actions synchronized.
Tokenization and safer credential handling for connected systems
Stax centralizes tokenization and pairs it with event-driven payment lifecycle callbacks to keep merchant systems synchronized. Square and Stripe prioritize lifecycle automation through webhooks and the PaymentIntents model, while Stax adds a dedicated tokenization tooling layer.
Decision framework for selecting Payment Processing Software by workflow fit
Teams with complex order orchestration should start from the event and state model they need to run downstream processes like fulfillment, accounting, and dispute operations. Teams with tighter operational control should then validate how authorization and risk configuration map into lifecycle automation and settlement-aligned reporting.
Pick the lifecycle integration philosophy that matches the existing order state machine
Choose Square when event-driven webhooks should drive payment and payout automation through one backend model across in-person hardware sales and online checkout. Choose Stripe when the PaymentIntents API should unify authorization, capture, and asynchronous status changes behind one consistent API contract and webhook stream.
Validate dispute and chargeback workflows against the operational team process
Choose Adyen when global teams need a REST API plus webhook-driven automation that aligns dispute and settlement reporting into the transaction lifecycle. Choose Worldpay when chargeback execution and back-office dispute handling require deeper operational workflow coverage.
Confirm whether the integration needs hosted checkout convenience or full API control
Choose PayPal when fast consumer checkout via PayPal Checkout and buttons should reduce integration time and still deliver webhook-based payment status updates. Choose Checkout.com when API-first control across authentication, lifecycle events, and settlement operations should reduce reliance on hosted surfaces.
Assess recurring billing complexity before committing to subscription governance
Choose Authorize.net when stable gateway APIs and ARB lifecycle management should support subscription payments with fewer custom scheduling components. Choose PaymentCloud when managed onboarding and recurring workflows should take on more of the subscription servicing burden.
Plan for environments, testing, and governance maturity if the rollout spans regions or connected accounts
Choose Razorpay when India-centric payment method coverage needs to be paired with webhook-first automation for payment and refund lifecycle updates. Choose Stax when tokenization tooling and event-driven callbacks must coordinate across connected systems, even if reconciliation detail depends on how internal applications model transactions.
Who should buy Payment Processing Software
Payment processing software suits teams that treat payments as an event-driven system rather than a single request-response step. It also suits operational teams that must connect refunds, chargebacks, and reconciliation into controlled workflows with clear state transitions.
Retail and omnichannel teams that need unified in-person and online payment orchestration
Square fits teams that want one backend across in-person hardware sales and online checkout with webhooks driving payment and payout automation.
Engineering teams standardizing on one payments API model across card and ACH
Stripe fits teams that need PaymentIntents to unify authorization, capture, and asynchronous status changes and that can manage webhook orchestration and idempotency handling.
Global operations teams that build settlement-aligned reporting and automated dispute workflows
Adyen fits global teams that need a single REST API plus webhook-driven lifecycle automation mapped to reconciliation workflows.
Subscription businesses that rely on recurring billing lifecycle endpoints
Authorize.net fits subscription-style processing that depends on ARB endpoints and lifecycle management without building custom recurring job logic.
Platforms coordinating tokenization and synchronized payment status across connected merchants
Stax fits platforms that require centralized tokenization and event-driven callbacks that keep merchant systems synchronized.
Common buying mistakes in Payment Processing Software selection
Teams often underestimate how webhook ordering, idempotency, and state mapping affect automation quality. Other teams fail to align dispute operations and recurring billing governance to the operational workflows they already run.
Choosing a product based on checkout speed without engineering for webhook-driven state transitions
Square and Stripe both support lifecycle automation through webhooks, but Stripe teams need extra engineering for webhook orchestration and idempotency handling to keep capture, refunds, and disputes consistent.
Assuming dispute and chargeback workflows are handled the same way across providers
Worldpay is geared toward operational teams handling chargebacks end to end, while Adyen and Checkout.com push more automation into integration and require process design for dispute execution.
Treating recurring billing as a simple add-on rather than a lifecycle governance problem
Authorize.net ARB can be rigid when plans and proration rules grow, and PaymentCloud API and automation depth can require additional development effort for edge cases.
Overlooking connected-account coordination and reconciliation modeling
Razorpay can require complex setup for multi-environment testing, and Stax onboarding coordination across connected accounts can affect reconciliation detail based on how transactions are modeled in internal applications.
How We Selected and Ranked These Tools
We evaluated Square, Stripe, PayPal, Adyen, Checkout.com, Worldpay, Authorize.net, Razorpay, Stax, and PaymentCloud using feature coverage for payment, refund, and dispute lifecycles, and we scored integration automation depth and API surface for event-driven workflows. Features counted for 40% of the score, and ease and value each counted for 30% of the score.
Square ranked first because Square webhooks deliver payment and payout lifecycle events that support automated fulfillment and reconciliation workflows with a consistent backend model across channels. Stripe ranked near the top because PaymentIntents unify authorization, capture, and asynchronous status changes through one API plus a webhook event stream that supports standardized order state updates.
Frequently Asked Questions About Payment Processing Software
How do Stripe and Adyen handle payment lifecycle status updates in an order system?
Which platforms provide webhook-first workflows for reconciling payouts and payment states?
When an organization needs multi-rail payments, how do Worldpay and Stax differ in integration expectations?
What breaks if a team ignores tokenization and PCI scope planning when integrating Stripe or Stax?
How do Authorize.net recurring billing tools compare with PaymentCloud recurring workflows for subscription payments?
Which tools support hosted checkout surfaces versus API-only custom checkout flows?
How do admin controls and access management differ between Square and Authorize.net?
What tradeoff occurs when using PayPal versus Checkout.com for marketplace or platform onboarding?
When reconciliation needs settlement-aligned reporting artifacts, how do Checkout.com and Worldpay approach reporting outputs?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
Funding and competing interests
This study was co-funded by several of the vendors assessed in it. No single vendor funded it. Funders could propose the market studied.
They had no role in selecting vendors, setting or weighting criteria, analysing data or drawing conclusions, and they received the same factual-accuracy check as every other vendor assessed.
Market definition, inclusion rules and criteria weights were fixed by an editor before research began and did not change afterwards. Editorial process →
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