Digital certificate in minutes, by video conference
Fast and secure issuance of e-CPF and e-CNPJ digital certificates — from home, work, in Brazil or anywhere in the world. TF inter also takes care of registering your trademark and patent. Convenience, legal validity and human follow-up from start to finish.
What it is and what it is for
Your digital identity with legal validity to sign documents and comply with tax obligations.
The digital certificate works like an electronic identity: it guarantees authenticity, integrity and legal validity for documents and transactions carried out online. With it, you sign contracts, submit declarations to the Federal Revenue, issue invoices and access government services with complete security, without the need for paper or a notarized signature.
At TF inter, issuance is done by video conference, in minutes. You schedule a time, connect with our team, present your documents and receive the certificate ready for immediate use — from anywhere in the world.
- Digital signature of documents and contracts with legal value
- Issuance of electronic invoices (NF-e, NFS-e)
- Access to government portals (e-CAC, gov.br, city halls)
- Compliance with tax and labor obligations
e-CPF and e-CNPJ
Choose the ideal certificate for you and obtain it in a simple, fast and secure way.
e-CPF
Digital certificate for individuals, ideal for signing documents and accessing government services with your electronic identity.
- Signing of documents with legal validity
- Access to e-CAC, gov.br and official portals
- Submission of the Income Tax declaration
e-CNPJ
Digital certificate for companies, essential for issuing electronic invoices and complying with all the tax obligations of your business.
- Issuance of electronic invoices
- Submission of ancillary and tax obligations
- Signing on behalf of the company (CNPJ)
Requirements and accepted documents
To issue the e-CPF or e-CNPJ 100% online, check the conditions below.
Requirements for issuance via video conference
- Have previously issued a certificate or hold a CNH issued/renewed after May 2016.
- Accepted documents: ID, digital CNH, physical CNH, passport, professional council card (CRM, OAB, etc.) or migration registration card.
- For the e-CNPJ of certain legal entities (such as public agencies), additional company documents may be requested. Our team will contact you if necessary.
How it works, step by step
Types of digital certificate
Discover the differences between the A1 and A3 certificates and choose the one that best fits your security and practicality needs.
A1 certificate — practical and fast
Ideal for those seeking simplicity and mobility. Stored directly on the computer or mobile device, with password access, it offers speed and security for digital signatures. Perfect for professionals and companies that need flexibility in their daily operations.
- 1-year validity
- Installable on multiple devices
- No physical token — file protected by password
A3 certificate — secure and portable
For higher levels of protection, the A3 is the premium option. Issued on physical devices, such as USB tokens or smart cards, it offers enhanced security. It is essential for sensitive transactions and tax obligations that require maximum authentication.
- Validity of up to 3 years
- Stored on a USB token or smart card
- Enhanced security for sensitive data
| Feature | A1 certificate | A3 certificate |
|---|---|---|
| Validity | 1 year | Up to 3 years |
| Storage | File on the computer or mobile | USB token or smart card |
| Mobility | Installable on multiple devices | Bound to the physical device |
| Recommended for | Speed and everyday use | Sensitive transactions and maximum security |
← swipe sideways to see the full comparison
Trademark and patent registration
Protect your business's name, logo and inventions with official registration at the INPI.
Your trademark is one of the company's most valuable assets. Registration at the INPI (National Institute of Industrial Property) guarantees exclusive use of the name and logo throughout the national territory, protects against copies and unfair competition and adds value to your business. TF inter takes care of the entire process, from the beginning to the annual follow-up.
- Viability and availability search for the trademark
- Definition of the class and type of registration
- Filing of the application with the INPI
- Follow-up until the grant and renewal guidance
Need to register an invention or utility model? We also guide the patent process, from the filing to the technical follow-up. Talk to our team for a personalized quote.
Frequently asked questions
We answer the main questions about digital certificates to help you make the best decision.
Let's talk about your company
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