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Fidacta B.V. (Leusden, NL)

Fidacta

Private AI platform for notary offices that runs on sovereign European infrastructure (Nebul), without the use of public chatbots or American hyperscalers. Speeds up file preparation, deed drafting and quality control with legally grounded output and source references. Developed in co-creation with six notary offices.

Go to the website Fidacta alternatives
Shared spot16of 33 professional tools with a GDPR profileOur summary of what the provider itself publishes about your data: whether the data is stored in the EU (2 points), whether there is a certification or GDPR guarantee (1), and whether the provider is based in the NL or the EU (1). 3 or 4 points is Strong, 2 Good, 1 Limited, 0 Unknown. How we measure in legal practice
GDPR: Good
  • Provider based in the Netherlands
  • Publishes certification/GDPR safeguards

Each block is a professional tool in legal services, the strongest GDPR profile on the left. 10 professional tools, like Fidacta, have a Good GDPR profile: they share this spot. Click for that tool.

Priceon request
Free trialNot foundNot found on the provider's site when checked on 31 October 2026
Based inLeusden, NLNetherlands
ModelNot publicnot public which language model is used; no Fidacta or hyperscalers, infrastructure via Nebul (Nebul is ISO 9001, 27001, 27017, 27018 and NEN 7510 certified); governance of ChatGPT ISO 27001, NEN 7510 and ISO 42001 certified; input never used to train models (according to the provider)

Last checked: 31 October 2026 · How we check

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This is what Fidacta looks like

fidacta.ai
Fidacta website
Fidacta website

What it does

Dossier preparation up to 30% faster
Automate file preparation and draft emails
Legally grounded AI output with source references
Sovereign EU infrastructure, no public AI models
Quality control and error detection in documents
Specialised agents for notarial knowledge collections
Certified: ISO 27001, NEN 7510 and ISO 42001
From intake to a draft deed in minutes

Comparable in legal practice

LegalMikefrom ~€92 per user/monthLexboostPro €89 per user/month (€74 with…Andrion requestLegal Mindon requestLexis+ AI (Protégé)on requestMoonlitBasic free
All 33 professional tools for legal practice

Fidacta compared

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Underlying model

not public which language model is used; no Fidacta or hyperscalers, infrastructure via Nebul (Nebul is ISO 9001, 27001, 27017, 27018 and NEN 7510 certified); governance of ChatGPT ISO 27001, NEN 7510 and ISO 42001 certified; input never used to train models (according to the provider). Many tools build on a large model from, for example, OpenAI or Anthropic. If in doubt, ask for the data processing agreement: it sets out where your data goes.

GDPR check for legal practice

Questions about Fidacta

AI for legal practiceAI for notarial practice
Which AI model does Fidacta use?
The maker of Fidacta does not make public which AI model sits underneath. No ChatGPT or hyperscalers, infrastructure via Nebul (Nebul is ISO 9001, 27001, 27017, 27018 and NEN 7510 certified); governance of Fidacta ISO 27001, NEN 7510 and ISO 42001 certified; input never used to train models (according to the provider).
How much does Fidacta cost?
on request. Check the current price on the provider's website; rates change often.
Who is Fidacta for?
Fidacta is aimed at legal practice, notarial practice. It supports work such as reviewing contracts and clauses, summarising case law and files, and drafting letters and court documents.
What should I watch out for with AI in legal practice?
Professional secrecy is mandatory. Only enter client data into a business/EU variant with a data processing agreement, where input is not used for training. Always keep a lawyer in the loop.
Next stepAll 45 options for legal servicesProfessional tools and general assistants side by side, compared on GDPR profile, price and quality.

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