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Wisetax: our review

Wisetax is an AI assistant built for accountants, tax lawyers and accounting professionals. It combines a legal search engine fed by official French sources with calculation simulators that produce deliverables ready to hand to the client.

Data in the EUCustom pricingFrench

What we take away from it

What counts in its favor

  • Hosted in France on 3DS OUTSCALE infrastructure certified ISO 27001: the data does not leave the country, a decisive argument for regulated professions.
  • Combines legal research and calculation simulators in a single tool: the tax answer and the client deliverable come out of the same workflow.

What counts against it

  • No public price list: the price is only given after a sales demonstration, which lengthens the decision process.
  • The privacy policy does not say whether user data is used to train the AI models: on a tax tool handling sensitive data, that is a notable absence.

A relevant tool for a firm that wants to produce costed tax analyses without juggling several pieces of software. But the lack of pricing transparency and the vagueness on model training make those two questions worth asking before signing.

The facts

Data hosting
Data in the EU · source
Data verified on
3 August 2026

What happens to your data

Is your data used to train their models?
Subprocessors
The application is hosted by Scalingo on 3DS OUTSCALE infrastructure in France. Payments are processed by Stripe (United States). No other sub-processor is mentioned in the privacy policy.
Retention
Billing data is kept for the statutory accounting period. Other data is deleted within 30 days of termination, according to the terms of use.

Wisetax in detail

Wisetax is an AI assistant developed by the company Avocode, in Marseille, and distributed under the Wisetax brand. It targets accountants, tax lawyers and accounting professionals who spend a considerable amount of time cross-referencing tax and employment-law sources to answer precise questions. Rather than multiplying tools — a legal search engine, a calculation simulator, a word processor for the deliverable — Wisetax brings all three together in a single interface.

What it actually does

Two main functions. The first is a conversational assistant that answers tax and employment-law questions by drawing on official French sources (Bofip, Légifrance, URSSAF circulars). The vendor claims a 98% accuracy rate. The second is a series of simulators that turn a consultation into a deliverable: analysis of an executive's pay, capital-gains simulation, social-charges assessment, all formatted with the firm's logo.

An accountant can thus ask a question about the tax treatment of a transaction, get a sourced answer, launch the matching simulator, and produce a summary note for their client in a single working session.

Why it interests us

The first argument is hosting. Wisetax runs on 3DS OUTSCALE infrastructure through Scalingo, a French cloud certified ISO 27001. The data doesn't leave the country. For a firm handling tax data covered by professional secrecy, that's the minimum condition — and it's also the angle we defend in our audit and advisory engagements.

The second is specialization. Wisetax doesn't do corporate law, general employment law, or GDPR compliance: it does tax and employment law, full stop. This focus is an asset given how prone general-purpose AIs are to producing plausible but legally wrong answers as soon as one strays from standard questions.

Where it falls short

Two reservations. The first is commercial: no price is published. The process goes through a demo and a quote, which is common in the sector but makes an objective comparison impossible without spending time on it.

The second is more troubling: the privacy policy, otherwise detailed on hosting and retention, says not a word about using data to train models. On a tool handling tax data, that gap is a blind spot every firm should flag before committing.

Our recommendation

Wisetax is a relevant choice for an accounting firm or a tax lawyer who already bills recurring consultations and wants to reduce production time. The tool is French, specialized, and runs on certified infrastructure. But demand a written answer on model training before signing, and compare the quote with GenIA-L, which publicly guarantees no data reuse.

Who it's for, and who it isn't

Suited for

  • Accountants and tax lawyers handling a regular volume of simulations and consultations
  • Mid-sized firms wanting a single tool rather than a stack of specialised software

Not a fit

  • Firms that require full transparency on how the AI uses data before even entering a sales conversation
  • Professionals who need a public price to compare several solutions quickly

Frequently asked questions

Does Wisetax replace an accountant or a tax lawyer?
No. Wisetax is an assistance tool that speeds up research and produces deliverables, but it does not replace professional judgement. The vendor says as much: the information supplied must be checked by a professional before it reaches the client.
Where is the data I submit to Wisetax stored?
In France, on 3DS OUTSCALE's cloud infrastructure through the host Scalingo. The data is not exported outside the European Union. It is one of the arguments the vendor leads with on its home page.
What does Wisetax cost?
Wisetax does not publish its prices online. Access follows a 30-day trial and a sales demonstration. The price presumably depends on the size of the firm and the modules subscribed, but no list is publicly available.

Our sources

Prices and hosting terms change often. We recheck them periodically, but the publisher's page remains the only up-to-date reference.

Is Wisetax the right choice for you?

We measure this tool against your real constraints — budget, privacy, your team's skill level — before you sign an annual subscription.