FreeAgent vs OnPay

FreeAgent

FreeAgent is a cloud accounting platform designed specifically for freelancers, contractors, and small businesses in the UK. It offers automatic bank feeds, invoicing, expense management, and self-assessment tax return preparation. FreeAgent is particularly popular with UK freelancers and contractors for its excellent handling of UK tax requirements including Self Assessment and VAT returns.

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OnPay

OnPay is a full-service payroll and HR platform designed for small and mid-size businesses. It offers unlimited payroll runs, automatic tax filing, and built-in HR tools at an affordable flat rate. OnPay is consistently rated as one of the best value payroll solutions for small businesses and supports a wide range of industries including restaurants, farms, and nonprofits.

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Pros

• ✓Excellent UK tax compliance including Self Assessment and VAT returns
• ✓Designed specifically for freelancers and contractors
• ✓Clean and easy to use interface
• ✓Automatic bank feeds save significant time

Cons

• ✗Primarily suited for UK market — limited value for non-UK businesses
• ✗Less feature-rich than QuickBooks for complex business needs
• ✗Smaller integration ecosystem than larger competitors
• ✗Not suitable for larger businesses with complex accounting needs

Pros

• ✓Excellent value — flat monthly pricing with no per-run fees
• ✓Supports multiple pay schedules and unlimited payroll runs
• ✓Strong industry-specific features for restaurants, farms, and nonprofits
• ✓US-based customer support included on all plans

Cons

• ✗US-only — no international payroll support
• ✗Mobile app is less polished than competitors
• ✗Limited advanced HR features compared to full HRIS platforms

Best For

UK freelancers and contractors wanting simple accounting with strong Self Assessment and VAT tools

Best For

Small businesses wanting affordable, full-service payroll with no hidden fees