NYMETRA for accountants
AI on your client files. Without exposing their identities or IBANs.
NYMETRA pseudonymises client information in your documents on your computer before it goes to ChatGPT, Claude or Gemini, then restores it in the answer.
Management report · FY 2025
Client: Brévannes SA
Manager: Thomas VerhaegenAccount: FR76 3000 6000 0112 3456 7890 189
Revenue up, margin to watch in the second half…
What is at stake
Your client documents need particular care.
Balance sheets, tax returns, statements: names, IBANs and client figures on every page.
Accountants are bound by professional secrecy.
Prepare your documents without replacing everything by hand.
Use cases
What the AI receives, file by file.
Write a management report for [ORG_1] based on these figures.
What should we watch in the balance sheet of [ORG_1] ?
Write a letter to [PERS_1] presenting the annual accounts.
Accountants
Save time on your files. Stay in control of what leaves.
Frequently asked questions
Before you start.
Is pseudonymised data still personal data?
Yes, as long as a person can still be re-identified using additional information. Pseudonymisation reduces the direct link with identity - for example by replacing a name with an alias - but it does not automatically take the data out of the scope of the GDPR. The information that allows re-attribution must be kept separately and protected. That is precisely what distinguishes pseudonymisation from truly irreversible anonymisation.
What happens if NYMETRA misses a piece of sensitive information?
Automated detection cannot guarantee that all sensitive information will be identified in every situation. That is why NYMETRA includes a review step before sending: the user can check, add, remove or correct the items to protect. No request to the AI provider should be considered safe just because an automated system has analysed the document. Human review is part of how NYMETRA is meant to work.
Do I need my own account or API key to use GPT, Claude or Gemini with NYMETRA?
Yes. NYMETRA works with the account you hold directly with the AI provider you choose among those supported. Where the integration requires it, you use your own API key. You therefore contract directly with OpenAI, Anthropic or Google and bear any usage costs. NYMETRA does not resell access to these services and does not replace their contractual terms.
* Internal test: 30 documents filled with public data the engine had never seen; 413 of 429 sensitive items detected automatically (94 to 96% depending on the run). Professional secrecy:Légifrance, Ordinance of 19 September 1945, art. 21.