Best Accounting Software for Contractors UK 2026
UK contractors — whether inside or outside IR35 — need software that handles limited company accounts, dividend calculations, CIS deductions, and Self Assessment. Here are the best options for contractors in 2026.
The contractor's favourite — built for limited companies and freelancers
Top 4 Picks for Contractors
The contractor's favourite — built for limited companies and freelancers
Why it's great for Contractors: FreeAgent is the most popular accounting software among UK contractors. It handles limited company accounts, dividend vouchers, Corporation Tax estimates, and Self Assessment in one place — and is free with NatWest/RBS.
Accounting software + accountant service for contractors
Why it's great for Contractors: Crunch uniquely combines accounting software with a dedicated UK accountant — ideal for contractors who want professional support without a traditional accountancy firm. Their contractor package includes IR35 reviews.
Why it's great for Contractors: Xero's CIS (Construction Industry Scheme) support, multi-currency, and accountant network make it a strong choice for contractors in construction or those working with an accountant who uses Xero.
UK-built with strong CIS and payroll for construction contractors
Why it's great for Contractors: KashFlow is a UK-built tool with particularly strong CIS (Construction Industry Scheme) support. For contractors in construction who need to manage subcontractor deductions, it's a specialist option worth considering.
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Frequently Asked Questions
What accounting software do UK contractors use?
FreeAgent is the most popular choice among UK contractors, particularly those operating through limited companies. Crunch is popular for contractors who want an accountant included. Xero is preferred by contractors whose accountants use it.
Does accounting software help with IR35?
Accounting software itself doesn't determine IR35 status, but tools like Crunch offer IR35 contract review services. Our free IR35 Checker tool on this site can give you an initial indication of your status.
Can I manage my limited company with accounting software?
Yes — FreeAgent, Xero, QuickBooks, and Crunch all support limited company accounts including Corporation Tax estimates, dividend vouchers, and Companies House filing preparation.
What is CIS and which accounting software supports it?
CIS (Construction Industry Scheme) requires contractors to deduct tax from subcontractor payments. Xero, KashFlow, Sage, and QuickBooks all have CIS support built in.
Not sure which is right for you?
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