Top 10 Best Advertising Billing Software of 2026

Workamajig is a comprehensive all-in-one platform tailored for advertising and creative agencies, combining project management, resource scheduling, CRM, and robust accounting features including advanced billing and invoicing. It excels in handling agency-specific billing workflows, such as tracking billable hours, expenses, media buys, and commissions across campaigns. The software ensures accurate, real-time financial reporting integrated seamlessly with project delivery.

FunctionFox is a web-based project management and time tracking platform tailored for advertising agencies, creative teams, and marketing firms. It facilitates accurate billing by capturing billable hours, managing projects from estimate to invoice, and handling purchase orders for vendors. The software integrates time entries directly into customizable invoices, supports client approvals, and provides detailed profitability reports to optimize advertising workflows.

Productive (productive.io) is an all-in-one agency management platform designed for creative and advertising agencies, offering robust tools for resource planning, project management, time tracking, and financial oversight including billing and invoicing. It streamlines advertising billing by automating invoice generation from tracked time and expenses, supporting retainer, milestone, and fixed-price billing models common in ad campaigns. The software provides real-time profitability insights by comparing budgeted vs. actual costs, helping agencies ensure accurate billing and margin control.

Forecast (forecast.app) is a resource planning and project management platform tailored for agencies, focusing on capacity forecasting, scheduling, and profitability tracking. For advertising billing, it supports billable time tracking, project budgeting, and revenue forecasting to help agencies predict and manage client invoices accurately. It integrates with accounting software like QuickBooks and Xero to facilitate billing workflows, though it's more geared toward resource optimization than pure ad spend reconciliation.

Kantata is a professional services automation (PSA) platform tailored for agencies, offering end-to-end management of projects, resources, time tracking, expenses, and billing. It enables advertising firms to handle complex billing scenarios like hourly rates, retainers, milestones, and fixed-fee projects with automated invoicing and revenue recognition. The software provides real-time profitability insights, forecasting, and integrations with tools like QuickBooks and NetSuite to streamline financial operations.

Accelo is a comprehensive professional services automation (PSA) platform designed for agencies and service firms, offering tools for project management, time tracking, CRM, and automated billing. For advertising billing, it excels in tracking billable hours, managing retainers, creating custom invoices, and integrating time entries directly into billing workflows. While versatile for creative agencies, it provides general PSA capabilities rather than deep specialization in ad spend reconciliation or media buying.

BigTime is a professional services automation (PSA) platform tailored for advertising agencies, focusing on time tracking, project management, expense logging, and client billing. It streamlines workflows by enabling accurate time entry via mobile apps, resource scheduling based on skills and availability, and automated invoicing with customizable templates. The software provides detailed profitability reporting and integrates seamlessly with tools like QuickBooks and Salesforce, making it suitable for managing creative campaigns and billable hours.

Scoro is an all-in-one business management platform that combines project management, CRM, time tracking, and billing tools, making it suitable for advertising agencies to handle client billing efficiently. It enables teams to track billable hours on campaigns, generate customizable invoices from time entries or fixed quotes, and automate recurring billing for retainer-based ad services. With integrated reporting, Scoro helps monitor revenue, profitability, and expenses tied to advertising projects in real-time.

Avaza is an all-in-one business management platform that combines project management, time tracking, expense logging, and invoicing tools tailored for small to medium teams. For advertising billing, it enables agencies to track billable hours on campaigns, record ad-related expenses, and generate customizable invoices directly from timesheets and project data. While versatile and user-friendly, it serves as a general-purpose solution rather than a specialized advertising billing tool with deep ad platform integrations.

Teamwork is a versatile project management platform with built-in time tracking and invoicing features, enabling advertising teams to log hours on campaigns and generate client bills directly from tracked time. It supports project-based workflows, expense tracking, and client portals for invoice approvals, making it adaptable for agency billing. While not specialized in ad metrics like impressions or programmatic spend, it provides reliable time-based billing for creative and service-oriented advertising work.