SubCert streamlines your entire subcontractor payment workflow — from issuing payment certificates and tracking CIS deductions to managing retention and generating reports.
A complete platform built specifically for the UK construction industry — no generic accounting software workarounds required.
Issue professional payment certificates with full gross build-up, deductions, CIS tax, retention, and VAT calculations — all in one place.
Organise subcontractors by contract and site. Track order values, variations, and labour elements across your entire portfolio.
Automatically calculate CIS deductions based on verified status. Generate monthly CIS reports ready for HMRC submission.
Track retention held, released, and outstanding per contract and subcontractor. Never lose sight of money owed or due.
Generate clean, professional PDF-ready certificates with your company branding — ready to send to subcontractors instantly.
Granular permissions per user — control who can view, create, edit, or pay certificates and manage subcontractor records.
Export certificates and CIS data to CSV for use in your accounting software, payroll system, or HMRC submissions.
Maintain full subcontractor records including UTR, NI, verification numbers, bank details, and compliance status.
Add notes to subcontractors and contracts. Every certificate action is timestamped, giving you a full audit trail.
SubCert is designed to be intuitive for quantity surveyors, commercial managers, and accounts teams alike.
Add your contracts, sites, and subcontractors. Import existing data or start fresh — it takes minutes.
Create payment certificates with automatic CIS, retention, discount, and VAT calculations built in.
Generate a professional, branded certificate PDF and send it directly to your subcontractor.
Monitor payment status, outstanding retention, and CIS liabilities from your live dashboard.
See every contract, subcontractor, and certificate at a glance. The SubCert dashboard surfaces what matters — unpaid certs, recent activity, and key totals — the moment you log in.
"SubCert has completely transformed how we manage our subcontractor payments. What used to take half a day now takes minutes. The CIS calculations alone save us hours every month."
"Finally a system built by people who understand construction. The retention tracking is brilliant — we can see exactly what's held and what's due across every contract in seconds."
"The printed certificates look incredibly professional and our subcontractors love receiving them. The whole team picked it up without any training — it's that intuitive."
Join construction companies across the UK who use SubCert to save time, reduce errors, and stay CIS compliant.
Request a Free DemoInterested in SubCert? Drop us a message and we'll get back to you within one business day.
SubCert is built and supported by Techmeleon, a UK-based software development company specialising in bespoke solutions for the construction industry.
💡 Demo available. We'll walk you through the full platform with your own data — no commitment required.