Documents you sign every day
- Project and fee contracts
- Quotes and addenda
- Stage-approval records
- Agreements with suppliers and contractors
How Architects use it
When the preliminary design is approved
The professional services contract and fee estimate get signed before final drawings begin.
During construction
Scope changes, extras and progress records get signed in minutes with the client or contractor, without stopping the site for paperwork.
When you hand over the project
The final handover record gets signed and filed alongside the rest of the project's documentation.
Before and after Firmiu
Why choose Firmiu
Fast approvals
The client signs each stage from their phone, with no meetings.
Organized projects
Keep every signed document for each project.
Backing on every signature
IP, date and verification document each approval.
How Firmiu works
Upload your PDF
Upload the document and enter the name and email of the person who must sign.
The signer receives a link
They get an email with a unique link and a verification code.
Signed document
The PDF is signed with its audit trail, ready to download.
Frequently asked questions
- Does it work for construction contracts?
- Yes, for project and fee contracts and private agreements.
- Can I sign by stages?
- Yes. Send a document for each stage or approval you need.
- Does the client need an account?
- No. They sign from a unique link by email.
- Can I sign construction contracts with multiple signing spots in the same PDF?
- Yes. You can place several signature fields for the same signer within the document, handy for drawings with multiple approval pages.
- Does it work for agreements with contractors as well as clients?
- Yes, you can use it for any document that needs a signature: client contracts, contractor agreements or progress records.
- Can I merge several drawings or annexes into one send?
- Yes, you can merge multiple PDFs into a single document before sending it for signature.
Guide reviewed and updated: July 2026.
Electronic signatures in your country
Related guides
How to sign a construction contract online
Construction involves many parties and documents. Learn to sign contracts and records online without stopping work.
How to sign a quote or estimate online
A signed quote is an approved job. Learn to get that signature online in minutes.
How to sign a service agreement online
The service agreement is what kicks off every project. Learn to sign it online and start working the same day.
Digital signatures for other professions
Start signing today
Create your free account and sign your first document in minutes.
Create free account