Documents you sign every day
- Informed consents
- Liability waivers
- Aftercare and authorizations
- Bookings and deposits
How Tattoo studios use it
When you book an appointment
The informed consent and health questionnaire get signed from the client's phone before arriving at the studio.
On session day
The final authorization and aftercare instructions get signed in minutes, no paperwork at the counter.
In the client's history
Every signed consent is filed, useful if any reaction or question comes up afterward.
Before and after Firmiu
Why choose Firmiu
Instant consent
The client signs before starting, with no paperwork.
Sign at the studio
From the client's phone or a tablet, in seconds.
Documented backing
IP, date and verification back every signature.
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 consents and waivers?
- Yes, as a private agreement between the studio and the client.
- Does the client sign from mobile?
- Yes, with a unique link and nothing to install.
- Can I reuse my forms?
- Yes. Upload your PDF and save contacts to send faster.
- Does it work for the informed consent before tattooing?
- Yes, you can email it before the appointment and the client signs it with its audit trail.
- Can I send the health questionnaire together with the consent?
- 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 independent studios.
Guide reviewed and updated: July 2026.
Electronic signatures in your country
Related guides
How to sign an informed consent online
Clinics and practices can collect patient consent paper-free. Here's how.
Free electronic signature: how to start at no cost
Need to sign documents without spending? Here's how to use a free electronic signature and when a paid plan makes sense.
How to send a document for your client to sign
Sending a PDF for signature and getting it back signed can take minutes. Here's the flow and some tips to close faster.
Digital signatures for other professions
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