Resources
Everything about matching delivery notes, invoices and contracts in construction.
Practical guides, regulations explained in plain English and honest comparisons with the alternatives — for people who run job sites and supplier accounts.
Solutions
By need
Construction invoice matching software that checks every line against the contract
Construction invoice matching software: AI reads delivery notes and supplier invoices line by line and checks each one against the agreed contract price.
Delivery note and invoice reconciliation, line by line, for every job site
How contractors reconcile delivery notes (delivery tickets) with supplier invoices line by line, and how AI does it against the agreed contract price.
Three-way match in construction: invoice, delivery note and the contract price list
What three-way matching means in construction, why many job sites have no PO per delivery, and how a contract price list becomes the third leg of the match.
Delivery note OCR is step one. Checking every line is the part that saves time
Delivery note OCR turns photos of signed delivery notes and tickets into data. Why reading is only step one, and how the lines get checked against the contract.
Check every supplier invoice line against the price you agreed
How to check every supplier invoice line against the prices agreed in the contract or price list, per job site, without opening the contract each time.
Supplier statement reconciliation for contractors: start from checked invoices
How contractors reconcile supplier statements with invoices, credit notes and delivery notes, and why checking each invoice first makes month-end simpler.
Building in Portugal? How to check Portuguese supplier paperwork on every job site
For foreign contractors in Portugal: guias de remessa, ATCUD, Portuguese supplier invoices, the 2026 reverse-charge change, and checking them per obra.
By material
Checking ready-mix concrete invoices against the delivery tickets
How to check ready-mix concrete invoices against delivery tickets: price per m³, concrete class, waiting time, part-load charges and pumping, per job site.
Checking rebar invoices: tonnage, bar diameter and the delivery note
How to check rebar invoices billed by weight against delivery notes that count bars and bundles: tonnage, bar diameter, units and tolerance, per job site.
Guides
Concepts
What is a delivery note, and how is it different from a delivery ticket, packing slip or GRN?
A delivery note lists goods delivered, usually without prices, signed on receipt. How it differs from a delivery ticket, packing slip, bill of lading and GRN.
Delivery note vs invoice: what each document proves, and how to match them
Delivery note vs invoice: one proves what was delivered, the other asks for payment. How they differ, how to match them, and what changes in Portugal.
Guia de remessa explained: the Portuguese delivery note, from the receiving side
What a guia de remessa is, what it must contain under Decreto-Lei 147/2003, who reports it to the AT, and what a construction site receiving one should check.
Guia de transporte vs guia de remessa vs fatura: which Portuguese document is which?
Guia de transporte vs guia de remessa: the AT says their content is the same. When a fatura travels as the transport document, and what it means for receivers.
ATCUD explained: what the code on Portuguese invoices and delivery notes means
ATCUD is the unique code on Portuguese invoices and transport documents since 1 Jan 2023: how it is built, what it covers, and how it helps catch duplicates.
How-to
How to reconcile supplier invoices with delivery notes and contract prices
How to reconcile supplier invoices in construction: match each invoice line to delivery notes and the contract price list, handle discrepancies, automate.
Invoice without a delivery note: how to handle it from the receiving side
Received a supplier invoice without a delivery note? Why it happens, what evidence to ask for, how to handle it step by step, and how to stop it recurring.
Common supplier invoice discrepancies, and how to check for each one
Checklist of common supplier invoice discrepancies in construction — price, totals, quantities, tax ID, references, units, product — and how to check each.
Pallet deposits: how to track returnable pallets and get the credit back
How pallet deposits work on supplier invoices, how to track returnable pallets on site and make sure every return becomes a credit note, with Portugal rules.
Concrete waiting time and part-load charges: what to check per truck and on the invoice
How to check ready-mix concrete waiting time and part-load (short-load) charges: what to verify on each truck ticket and on the monthly concrete invoice.
Regulation
Portugal’s construction VAT reverse charge: what changed on 1 July 2026
Portugal’s construction VAT reverse charge changed on 1 July 2026: the alvará test, materials vs install, “IVA - autoliquidação” wording, before/after.
Portugal e-invoicing in 2027: what changes for construction companies
Portugal e-invoicing in 2027: B2G CIUS-PT for SMEs, the end of plain PDF invoices on 31 Dec 2026, no B2B mandate and ViDA 2030 — as of 29 September 2026.
Transport documents in Portugal: the goods-in-circulation rules (DL 147/2003)
Portugal’s goods-in-circulation rules (DL 147/2003): guia de remessa content, who reports it to the AT before transport, the €100,000 threshold, retention.
Construction paperwork in Portugal: the documents on an obra, in English
The documents on a Portuguese construction site in English: guia de remessa, fatura, fatura-recibo, nota de crédito, auto de medição, alvará, caução.
Portugal’s 6% VAT on housing construction (verba 2.42) and the reverse charge
Portugal’s 6% VAT for housing construction and rehabilitation (verba 2.42 of List I) and how it links to the reverse charge change of 1 July 2026.
Comparisons
Alternatives
Audiree vs Dost: finance automation platform or construction delivery note checking?
Audiree vs Dost: AP/AR automation with ERP posting vs construction delivery note and invoice checks against the contract price book. Checked 2026-09-29.
Audiree vs Kojo: materials procurement platform or contract-based delivery note checking?
Audiree vs Kojo compared: US materials procurement, warehouse and 3-way match vs checking delivery notes and invoices against the contract. Checked 2026-09-29.
Audiree vs Field Materials: PO-driven AP automation or contract-based checking?
Audiree vs Field Materials compared: US AP automation with AI POs and ERP sync vs delivery note checks against the contract price book. Checked 2026-09-29.
Audiree vs LiveCosts: construction cost platform or delivery note checking against the contract?
Audiree vs LiveCosts compared: UK/IE/AU invoice software with POs, budgets and Xero/Sage sync vs contract-based delivery note checks. Checked 2026-09-29.
Audiree vs Lentune: two ways to check supplier invoices against agreed prices
Audiree vs Lentune compared: NZ/AU invoice automation with agreed-rate checks and Xero vs delivery note checks against the contract. Checked 2026-09-29.
Audiree vs Rossum: enterprise document AI or construction delivery note checking?
Audiree vs Rossum (acquired by Coupa, announced 12 May 2026): enterprise document AI vs construction delivery note checks against contracts. Checked 2026-09-29.
Categories
Build it yourself on an OCR API, or use a construction reconciliation product?
Should you build delivery note and invoice matching on an OCR API like Nanonets or Doxis (ex-Klippa), or use Audiree? Costs, effort and trade-offs.
Excel or Audiree: checking delivery notes and invoices on construction jobs
Checking delivery notes and invoices in Excel vs Audiree: where spreadsheets work, where they cost hours, and when to switch. For construction teams.
Audiree vs construction management and accounting software: a complement, not a replacement
How Audiree differs from Procore Invoice Management, Adaptive, Archdesk, Planyard and Site Samurai: a delivery note check that sits alongside them.
About Audiree
Demo
Watch the matching do itself.
Bring two contracts and a month of delivery notes and invoices. In 30 minutes we run your own documents live, line by line, with your numbers.