Syntorak Tools

Free browser-based tools for UK tradespeople.

No signup, no email, no tracking beyond a privacy-friendly page count. Built for plumbers, heating engineers, electricians, builders and roofers — anyone invoicing main contractors in the UK.

CIS calculator

Live

Per-invoice CIS deduction calculator for UK construction subcontractors. Labour, materials, status — net pay out in seconds.

Open the tool →

Quote generator

Coming soon

Printable quotes for trade jobs. Currently lives at heating.syntorak.com/tools/quote-generator — migration to this subdomain coming.

Use the current version at heating.syntorak.com →

CIS rebate calculator

Planned

Annual rebate estimator: gross income, expenses and personal allowance against CIS already deducted.

Built by Syntorak

Need a website for your trades business?

We build tradesman websites for £295. 10 pages, branded marketing video, your own .co.uk domain, hosting, SSL, contact form and SEO done properly. Live in days.

Heating engineer →Plumber →