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Getting the right signed acceptance form to billing
Short answer
Acceptance certificate automation links the signed document to the project and the scope of work, then passes it to the person who prepares billing. A draft saved later in the same folder does not reach the invoice. At Syntalith the automation costs from €3,000 net, and with 150 certificates a month at 15 minutes of searching each it pays back in 2.9 months.
How we workDetails ↓
- 01Call30 minutes with an engineer, free
- 02PrototypeA working system on your process and data, free
- 03ImplementationTarget and fixed price in the contract; 50% at signing
- 04Acceptance50% once the agreed target is met
- net for the automation of one process, build paid once
- from €3,000
- from signing the contract to acceptance
- 2–6 weeks
- free prototype on your cases
- €0
We belong to the OpenAI and Anthropic partner programmes and learn through their official courses. What this means ↓
Author: Syntalith · 3 min read
Statistics
Document workflow with AI: statistics 2026
2.9 mo.
payback of a €3,000 automation at 150 certificates a month: €1,309 of searching and passing on today, €263 with checking. Scenario.
−87%
According to Anthropic (2025), AI cuts the time of a task on invoices, memos and other documents by an estimated 87%.
Source: Anthropic, Estimating AI productivity gains (2025) ↗
14–56%
According to Anthropic (2025), studies with a control group found smaller time savings, from 14% to 56%.
Source: Anthropic, Estimating AI productivity gains (2025) ↗
10.8%
According to Eurostat (2025), 10.8% of EU construction companies with at least 10 employees used AI, the lowest share of any sector surveyed.
Source: Eurostat, use of artificial intelligence in enterprises (2025) ↗
90%
According to the European Commission (2026), 90% of companies using AI say that people take the decisions, and 2% of decisions are fully automated.
Source: European Commission, Flash Eurobarometer 578 (2026) ↗
Figures checked: 22 October 2026
Acceptance certificates: one floor accepted, the rest of the installation in progress
A company is fitting an installation on two floors. The client signed a partial acceptance certificate for the first floor, and work on the second floor continues. After the signed document arrived, the site manager saved an unsigned draft certificate for the whole installation in the same folder. So the newest file is a draft for all the work. Choosing by save date would send the wrong document to billing and an invoice for work the client has not yet accepted.
The automation links the returned document to the project and shows its actual scope. The billing employee opens the certificate and checks the payment terms agreed for the project. The signature helps establish which document came back from the client, and it does not answer what to invoice and when. The site manager still clarifies an unclear scope and comments, and stops forwarding every file by hand.
- 01Returnthe signed certificate comes back by email or from a signing platform
- 02Linkthe project, stage and scope of acceptance read from the document
- 03Distinctionthe signed version kept apart from drafts
- 04Handoverthe billing person receives the document with a description of the scope
- 05Correctiona new version appears next to the previous one with the reason for the change
First use the signing workflow you already have
If certificates come back to one mailbox with one template and a project number, an email rule and a tidy folder are enough. With electronic signatures, the platform handles part of the handover. Docusign describes Agreement Actions, which, once a workflow is complete, save the documents in a connected store or start the next workflow. The status completed means all recipients have finished their actions (status definition). The scope of the accepted work still has to be read from the certificate.
One mailbox, one template, the project number in the name
an email rule and a folder
no AI
Electronic signature on one platform
platform actions after the workflow ends
configuration
Different layouts, names and photos of documents from clients
AI reading of project and scope, a person's check
from €3,000
What acceptance certificate automation costs and when it pays back
- Today
- 150 certificates × 15 min = 37.5 h (€1,309)
- With the system, a person checks the output in 20% of the time
- €262
- Model, 1 call per case, Claude Sonnet 5.5
- €1
- Cost of one case
- €8.73 today, €1.75 with the system
- Saving
- €1,046 a month
Payback of €3,000
2.9 months
The volume, the time and the checking share are the scenario's assumptions. €34.90 an hour is the EU average hourly labour cost for 2025 according to Eurostat. Model: 3,000 input tokens and 400 output tokens per call at Anthropic's rates, converted at the ECB rate of 1.1205 USD per euro on 22 October 2026.
An illegible project number or a missing page with the scope of work goes to the person who can clarify the case. When a correction arrives, the employee sees it next to the earlier certificate. If it is unclear whether the new document replaces the previous one, the site manager records the decision with the file, and the next person sees which version was chosen and why.
Where to start
The first scope covers one type of certificate and one way of receiving it. On known documents, the site manager and the billing employee check that they get the right file with the correct scope and that a draft goes no further. The site manager's wider work when closing a project is covered in the article on closing a services project. We build the workflow as part of our AI automations, and for the free process review a description of the last certificate someone had to search for is enough: where it came back, who needed it and how you recognised the right version.
Worked example · Scenario
How we count the payback: document workflow
We run the same count for your certificates in the free process review.
€2,327
a month for matching 1,000 documents to cases by hand
Payback: 1.5 mo.
4 minutes per document matched to a case and checking in 15% of the old time are our assumptions. €34.90 an hour is the EU average hourly labour cost for 2025 according to Eurostat, for companies with 10 or more employees. Model cost: reading a document in our case-file system (about €0.0002) plus matching it to the case and a note on what is missing (Claude Sonnet 5.5, about 2,000 + 300 tokens), at the ECB rate of 1.1205 USD per euro on 22 October 2026.
See the full calculation →