Free business toolkit
Free Business & Tender Calculators
Practical tools for pricing work, chasing payment and getting your paperwork in order before you bid. Every one runs in your browser, needs no account, and keeps your figures on your own device.
Working out where to aim rather than what to charge? Sector Finder matches your budget and circumstances to public sector work that is realistic, and shows live notices in your area. Free, no account needed.
VAT calculator
Add VAT to a net price or strip VAT out of a gross price at the standard, reduced or zero rate.
Open toolDay rate calculator
Turn a target annual income into a day rate and hourly rate that covers overheads, tax and non-billable days.
Open toolCIS tax calculator
Work out the CIS deduction on a subcontractor payment at 20%, 30% or 0%, on labour only rather than materials.
Open toolInvoice generator
Build a compliant UK invoice or subcontractor application with line items, VAT and payment terms, then print it or save it as a PDF.
Open toolQuote generator
Produce a clear, itemised quotation with VAT, validity period and terms, ready to print or send as a PDF.
Open toolLate payment interest calculator
Work out statutory interest and the fixed compensation you can claim on a commercial invoice paid late.
Open toolProfit margin calculator
See gross profit, profit margin percentage and markup from a cost price and a sale price.
Open toolBreak-even calculator
Find the contribution per unit, the number of units and the revenue needed before a job or a period turns a profit.
Open toolBusiness health check
A short self-assessment that scores how ready your business is to bid for public sector contracts.
Open toolTender and contract calculators
Estimate what a public contract is worth, what it costs to bid, and what margin is left before you commit to a submission.
UK tender calculator
Estimate contract value, delivery cost and the margin left on a public sector tender.
Open toolTender win probability calculator
Score fit, experience, price position and incumbency to get a rough win likelihood.
Open toolTender ROI calculator
Weigh the cost and time of bidding against the profit on offer and your win chance.
Open toolBid cost calculator
Hours by rate plus overheads and direct costs give the true cost of writing a bid.
Open toolPublic contract profit calculator
Contract value less delivery costs and overhead gives profit and net margin.
Open toolTender pricing calculator
Turn total costs and a target margin into the price to put on the pricing schedule.
Open toolTender deadline calculator
Count working days to a tender deadline and set clarification and review dates.
Open toolContract value calculator
Term length times monthly or annual value gives the total and any extension value.
Open toolCQC readiness calculator
A care admin self-check across records, training, policies and audit evidence.
Open toolConstruction tender calculator
Materials, labour, plant, preliminaries and margin build up a construction bid price.
Open toolCleaning contract profit calculator
Cleaning hours, pay rates, consumables and margin give profit per month and per year.
Open toolCare contract profit calculator
Staffing hours, pay rates, occupancy and fee income give the profit on a care contract.
Open toolLogistics contract profit calculator
Mileage, fuel, driver cost, maintenance and margin give profit on a haulage contract.
Open toolThis is an estimate only, provided for general guidance. It is not tax, accounting, financial or legal advice. Check any figures with a qualified professional before relying on them.