Chartered Accountants in London & Slough for Small Businesses
SBX helps you stay compliant & keep more of what you earn with expert tax, accounts, and bookkeeping services.
Estimate how much tax relief you could receive on work expenses. Enter your eligible costs and choose your tax band, we’ll calculate your potential annual and monthly saving.
Note: This tool is guidance only. Actual relief depends on your income, allowances and HMRC rules. For tailored advice, speak to SBX Accountants.
Your details
Enter your eligible work expenses for the tax year. Use any categories that apply.
e.g. professional body membership, union fees that qualify for tax relief.
e.g. specialist clothing, small tools, or equipment you pay for personally and use for work.
We’ll estimate the allowable amount using HMRC’s rates (45p for first 10,000 miles, then 25p).
Estimated at £6 per week for eligible home-working costs.
e.g. certain travel costs, professional training, or other HMRC-approved expenses.
Your estimated tax relief
Based on basic rate (20%) estimate
Total claimable expenses (estimate)
£0
Estimated tax relief
£0
This estimate assumes all expenses are allowable and fully claimable at your selected tax band.
Approx. monthly tax saving
£0
Tax band used
20%
Not sure which expenses qualify? Talk to SBX Accountants about HMRC rules and claiming relief correctly.
Which expenses can attract tax relief?
HMRC allows tax relief on certain costs you pay personally to do your job. Common examples include professional memberships, tools and uniforms, mileage for business journeys, and a portion of home-working costs. The exact rules depend on your employment status.
This calculator is a high-level estimate, SBX can review your records, confirm what qualifies, and complete your return so you claim relief correctly.
Business Expense Tax Savings Calculator
what can you claim through it?
Most work-related expenses can qualify for tax relief if you pay for them personally and use them for your job. This includes tools, uniforms, mileage, professional fees, and a portion of home-working costs. Our calculator gives you an estimate so you can see your likely tax saving before submitting a claim.
The calculator estimates how much income tax you could save on eligible work-related expenses such as professional subscriptions, tools, uniforms, mileage and home working, based on the tax band you select
No. The calculator gives an illustrative estimate only. Actual tax relief depends on your total income, allowances and how HMRC treats each expense. SBX Accountants can review your records and complete your tax return correctly.
Yes. SBX Accountants can prepare your Self Assessment or company accounts, confirm which expenses qualify, and submit accurate figures to HMRC so you claim tax relief correctly and stay compliant.
SBX offers additional free tools to help you work out repayments, deductions and CIS payments quickly. Each calculator is designed for UK businesses and sole traders who want simple, reliable figures without spreadsheets or complex formulas.
Loan Repayment Calculator –Use our Loan Repayment Calculator to estimate monthly, weekly or annual repayments based on your loan amount, APR and term.
Try the Loan Repayment Calculator.
CIS Tax Calculator –Our CIS Calculator helps contractors and subcontractors work out correct deductions at 20%, 30% or 0% and separate materials from labour.
Use the CIS Calculator.
