Documents you sign every day
- Repair orders
- Estimates and work authorizations
- Risk waivers
- Vehicle drop-off and pickup
How Auto repair shops use it
When the vehicle comes in
The service order and estimate get signed from the client's phone before any repair begins.
If extra work comes up
The authorization for the extra gets signed in minutes, no calling and waiting for the client to stop by and sign on paper.
When the vehicle is picked up
The signed order backs up what was agreed and charged, useful if the client questions anything later.
Before and after Firmiu
Why choose Firmiu
Authorize instantly
The customer signs the order from their phone and you get to work.
Avoid misunderstandings
Every authorization is documented with its audit trail.
No paperwork
Forget printing and filing paper orders.
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 repair orders?
- Yes, and for estimates and private work authorizations.
- Does the customer need an account?
- No. They sign from a unique link, without registering.
- Can I save my customers?
- Yes, to send new orders in seconds.
- Does it work for authorizing additional repairs?
- Yes, you can email the extra's authorization and the client signs it in minutes from their phone.
- Can I send the estimate together with the service order?
- Yes, you can merge both PDFs into a single document so the client signs just once.
- Do I need to pay to start using Firmiu?
- No, the free plan lets you sign documents each month at no cost — great for small shops.
Guide reviewed and updated: July 2026.
Electronic signatures in your country
Related guides
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.
How to get paid faster by signing contracts online
The time between agreeing and signing is time without getting paid. Here's how to shorten it with online signing.
Digital signatures for other professions
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