The foundation under every invoice.
Temel connects your contracts, daily logs, and construction books to the invoices they justify — with guardrails that stop over-billing, missed work, and silent spreadsheet errors before they reach the client.
Built for contractors and subcontractors · Works on any phone · No training needed
Work performed
Concrete poured, second-floor slab — 46 m³. Formwork stripped on the north wall. Rebar delivered for stairwell.
Item 3.2 — Concrete works
✓ Within contract412 / 520 m³ measured
Ready to invoice
3 logged daysThe payment certificate lives in Excel, and Excel never warns you. A quantity typed once wrong, a formula dragged one row short — and you've under-billed a whole floor or over-billed a client who will remember it. Nobody notices until the money is already wrong.
Daily log on paper in the site office, construction book in a spreadsheet, invoice in a Word template. Three documents, three versions of the truth — and reconciling them is a night of work before every billing cycle.
Supervision or the client pushes back on a line item. Without dated log entries and measured quantities behind it, the conversation is your word against theirs — and their word is holding your money.
Put your billing on a foundation. ↓
One chain, no gaps: contract → daily log → construction book → invoice.
Enter the contract once: line items, quantities, prices, VAT. From that moment it is the single source of truth that every log entry and every invoice line is checked against.
Daily logs and construction book entries from the site, in minutes. What was done, how much was measured, who was there — each entry lands under its contract item automatically.
Advance, interim, or final — Temel builds the invoice from measured work. A quantity over the contract? Work billed twice? It gets blocked before it ever reaches the client.
Temel means foundation — and that's the job: the solid layer under your company's money flow. Not another do-everything platform; the contract, the site records, and the billing finally share one brain.
The contract value is a hard ceiling. Temel stops over-invoicing, catches double-billing, and keeps VAT correct on every calculation — the mistake is blocked at the source, not discovered at the bank.
Construction diary and construction book kept in proper form and exported when supervision asks for them. The paperwork the law requires is a by-product of your normal day, not a second job.
Advance, interim, and final invoices generated straight from the construction book. Line items, quantities, VAT, your numbering — a document a client pays without questions.
Dated entries, measured quantities, signed PDFs. When a payment is questioned, you don't argue — you show the book. Every invoice line traces back to the work that justifies it.
Who it's for
If your money moves through contracts, measured work, and payment certificates — and one wrong number can hold up six figures — Temel was built for your week:
The free plan is free for real — no credit card, no trial clock. Upgrade later if your business outgrows it.
Start freeSet up in five minutes. First invoice today.
You can start free — no credit card, no time limit on the free plan. When your business grows, paid plans unlock more contracts, invoices, and team seats. You only pay when Temel is already paying for itself.
The expensive, silent mistakes: invoicing past the contract value, billing the same work twice, quantities that don't match the construction book, and VAT calculated by hand. Every invoice line is checked against the contract and the measured work before it goes out — the guardrail catches the error, not the client.
Yes. Daily logs and construction book entries are kept in the system in proper form, tied to the contract items they belong to, and export as documents you can hand to supervision. The paperwork stays compliant without a parallel paper process.
That's the whole point. Advance, interim, and final invoices are built from the measured quantities in the construction book. When a client asks "what am I paying for?", every line has dated entries and measurements behind it.
Always. Invoices export as PDF, and your logs, books, and records can be exported any time. It's your paperwork — Temel never holds it hostage, even if you cancel.
Yes. Your site engineer keeps the daily log from the field, while you or your office manager handle invoicing from the desk. Everyone works against the same contract, and nobody re-types anything.
· 6 min read
A daily log is your best defense when a client disputes work or payment. Here's what to record, how to record it, and the habits that make a log stand up as evidence.