Free Tools for UK Contractors

Everything useful, in one contractor toolkit.

Access practical tools, calculators, templates and generators designed for UK contractors, limited company directors, umbrella workers and CIS contractors. Use this page as your central starting point whenever you need help with tax forms, dividend paperwork, mileage claims, payslip checks, IR35, expenses or contractor admin.

Browse contractor tools

Choose the tool that matches the task you are trying to complete. You can filter by category or use the search box above to find the right calculator, checker, template or generator.

Tax and HMRC

01\ HMRC tax forms \ Quickly access useful HMRC tax forms and related contractor paperwork from one organised page.\ \ Useful for tax paperwork Open tool

Company admin

02\ Dividend voucher template \ Create clean dividend paperwork for limited company records, including dividend voucher-style documentation.\ \ Useful for limited company directors Open tool

Expenses and mileage

03\ HMRC mileage claim calculator and log \ Calculate mileage claims and keep a simple business travel log for contractor expense records.\ \ Useful for business travel claims Open tool

Expenses and CIS

04\ CIS invoice and payment voucher generator \ Generate contractor-friendly CIS invoice and payment voucher-style records for construction scheme work.\ \ Useful for CIS contractors Open tool

Company admin

05\ Accountant change letter generator \ Create a clear accountant change letter when moving from one accountant to another.\ \ Useful when switching accountants Open tool

Pay and payroll

06\ Payslip generator \ Build a simple UK contractor payslip-style record for salary, deductions and pay documentation.\ \ Useful for pay records Open tool

Company admin

07\ Contractor reference letter generator \ Generate a practical contractor reference letter for work history, contract confirmation or professional records.\ \ Useful for references Open tool

Expenses and records

08\ Expense management and tracking tool \ Track contractor expenses in a structured way, helping you organise common business cost categories.\ \ Useful for expense control Open tool

IR35 and compliance

09\ IR35 status checker and determination tool \ Review key IR35 status indicators and build a more structured view of your working arrangement.\ \ Useful for IR35 reviews Open tool

Umbrella and payroll

10\ Umbrella company payslip checker \ Check umbrella payslip figures, deductions and common warning signs using a contractor-focused review tool.\ \ Useful for umbrella contractors Open tool

Expenses and CIS

11\ CIS Gross Payment Status (GPS) Checker \ Check if your construction business meets HMRC's criteria to receive payments with 0% CIS deductions.\ \ Useful for CIS contractors Open tool

How to use the contractor toolkit

Start with the task you need to complete, then open the most relevant tool. Some tools are designed for limited company contractors, some are more useful for umbrella workers, and others support general contractor admin.

For limited company admin Use the dividend voucher, accountant change letter, payslip generator, reference letter and expense tracker.

For tax and compliance checks Use the HMRC forms page, IR35 status checker and umbrella payslip checker to review key admin areas.

For claims and records Use the mileage claim log, CIS generator and expense tracker to keep clearer working records.

IT Contractors UK has supported the UK contractor market since 2013 with practical guides, calculators, directories and compliance-conscious resources for contractors and service providers.