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I have a tech project!
The Studio · Custom development

Doesn't exist yet? We build it.

Agile studio specialized in legal. We turn your ideas into concrete tools, in production, within weeks — not years.

15 years

In legal

17

MCP connectors

4.5M+

Legal documents

1–2 months

For a prototype

Trusted by

Three ways in

Choose the starting point that fits you

From a light diagnosis to a full build, every track is designed to deliver a concrete result — no long commitment, no surprises.

TRACK 1

The Audit

Map before you build

From €1,500

excl. VAT · 1 to 3 days

You know there's a topic, but not where to start. We set a clear diagnosis: what's feasible, at what cost, with what impact. You leave with an executable roadmap.

  • 1 to 3-day audit, on-site or remote
  • Analysis of your processes, tools and friction points
  • Costed and prioritized recommendations
  • Actionable AI roadmap
  • Written report + oral presentation
Start an audit →
RECOMMENDED
TRACK 2

The Proof of Concept

From prototype to production in 1 to 2 months

€5,000 excl. VAT · flat rate

Controlled scope · firm delivery

The best way to know whether an idea works is to put it in your teams' hands.

  • Product scoping in 1 week
  • Iterative development, weekly demos
  • Tool delivered in production, not a mockup
  • Direct access to our internal building blocks & MCP
  • Possible switch to a project or agile Studio
Start a proof of concept →
TRACK 3

The custom project

The whole project, end to end

On quote

After an initial conversation

You have the vision, the budget, the need to do it all right. We take the project on end to end. One point of contact, a dedicated team, clear milestones.

Simple module

2 to 4 weeks · from €5K

Mid-sized application

6 to 10 weeks · €15K to €40K

Full platform

3 to 5 months · €50K to €120K

Request a quote →

We give you a real number after an initial conversation. Not a 1-to-10 range.

And then?

Two models for what comes next

Once the proof is made, two options open up. One favors flexibility, the other a controlled scope.

Agile Studio Recommended

≈ 1 dev day/week · 6-month renewable commitment

€2,500 excl. VAT/month

You prioritize, we deliver. No frozen spec, no amendment for every change. Just a continuous flow of improvements, driven by your real needs. Volume discounts: €4,800 for 2 days/week, and so on.

Fixed specification

Fixed price

Defined scope, firm quote, marked-out schedule. The classic format for projects whose contours are already clear.

Our advice: start with a proof of concept, then switch to the agile Studio. It's the formula that delivers the most value, the fastest, with the least risk.

Discuss the model that fits you
What we build

What does it actually look like?

Client portals & practice workspaces

Lawyer client portal, legal request portal, matter tracking. The interface your clients expect — and that your teams actually use.

Custom legal AI

AI agent trained on your data, connected to your databases via the MCP protocol. Your know-how, augmented — case-law research, matter analysis, sourced memo generation.

Document automation

Generation of contracts, submissions, NDAs, letters. Templates + AI. One click, the right document comes out in the right language with the right clauses.

Dashboards & reporting

Litigation dashboards, firm KPIs, multi-jurisdiction, multi-firm tracking. Your data, finally readable — connected to your ERP.

APIs & MCP servers

Connection to Légifrance, Pappers, RPVA. Custom MCP servers. 17 legal connectors in production via MCP Factory.

ERP modules & integrations

Building blocks that integrate with your existing setup — SECIB, Jarvis, your practice software. Not one more tool: an extension of your tool.

Portfolio

The apps we've shipped

Law firms, legal departments, companies, startups. Each project built custom, delivered in production, used every day.

Dairia Avocats

Employment-law AI · Dairia IA
Built for

An AI platform specialized in employment law, built for the firm Dairia Avocats. The agent queries collective agreements, the French Labor Code, employment case law and the BOSS in real time. Designed by practitioners, for practitioners. Zevra provides the technical infrastructure, the agentic architecture and the MCP connectors.

Agentic architecture MCP Factory Legal RAG BOSS · KALI · JURI

Clésame

Succession genealogy · startup
100 start-up Challenges 2026

A collaborative platform between genealogy firms, notaries and heirs. End-to-end workflow for managing succession files, professional directory, step-by-step tracking. Selected among the 100 start-ups to invest in for 2026 by Challenges.

DealMetrics

M&A dealroom · startup
Incubated at the Paris Bar

A dealroom designed for M&A lawyers, incubated at the Paris Bar. We support the project on the technical side within the Zevra Studio.

Legal Data Space

Legal infrastructure · partner
Strategic partnership

A strategic partnership with Legal Data Space (Thomas Saint-Aubin) covering the supply of MCP servers, the co-development of legal agents and training via Zevra Campus. At the crossroads of open legal data and AI applied to law.

Supernovia

AI content platform
On the Store

A business-law firm needed to produce expert legal content at scale. An AI-assisted content creation platform, connected to legal databases (Légifrance, JORF), with multi-channel publishing. Born from custom work, turned into a Store product.

Next.js Claude API MCP Légifrance PostgreSQL

LexiWork

Digital stamp
On the Store

Litigation firms were wasting huge amounts of time stamping their exhibits and generating exhibit schedules. Automatic stamping + schedule. Simple, fast, compliant. Used every day. Born from custom work, turned into a product.

React PDF.js Node.js

Lexform

Anonymization & pseudonymization
On the Store

A legal-document anonymization API. Automatic detection of personal data, replacement compliant with GDPR and decision-publication standards. Free, hosted in France, no data stored. Used by firms, legaltechs and institutions.

AI · NLP REST API Hosted in France

Legal department portal

Legal department · large group
Custom

An industrial group's legal department was receiving requests by email. Nothing was tracked. An internal request portal: submission, automatic qualification, routing by subject, real-time tracking. Nothing gets lost anymore. Average handling time cut by 3.

Next.js NestJS PostgreSQL SSO

Litigation dashboard

Multi-country · large group
Custom

An international group was managing 200+ disputes across 8 countries in an Excel file. Multi-country, multi-firm, real time. Connected to the group ERP. Provisions, deadlines, KPIs — all on one screen.

Next.js Supabase ERP API Charts

NDA generator

Multi-language · tech company
Custom

Every NDA required a back-and-forth with legal. One form, one click. The NDA comes out in the right language, with the right clauses.

React Generative AI DOCX templates Multi-language

Some of these apps are available to everyone on the Store.

See the Zevra Store

Does your project look like one of these? Let's talk.

Book 30 minutes with us
Methodology

How it works

Short sprints, regular demos

No 3-month tunnel. You see the product move forward every 1 to 2 weeks. You test, you comment, you adjust. The best products come from this close collaboration.

Code delivered, documented, hosted on your side

Two possible setups:

  • You host — we provide the specs and the docs to your team, which administers it in-house.
  • Turnkey — we prepare the infrastructure (typically Scaleway), you get full ownership.

Either way, you own the code.

Why us

The right choice, for the right reasons

01

15 years in legal, not 15 months.

We speak your language. We understand your ethical constraints, your processes, your urgencies. No need to re-explain everything in every meeting.

02

Weeks, not quarters.

A prototype in production in 1 to 2 months. Demos every week. You see progress, you adjust in real time. No tunnel effect.

03

We build for ourselves too.

Nine Zevra products in production force us to code clean, fast and solid. You benefit from the same level of demand as our own teams.

04
Decisive advantage

Our R&D becomes yours.

This is our real advantage. MCP connectors, AI building blocks, authentication modules, integrations with legal databases: everything we've already built for others, you get.

You pay for what's specific to your project — not to reinvent what already exists at our place.

05

Legal AI, in production. Not in a demo.

17 legal MCP connectors are already running in production. We know what works, what hallucinates, what survives the real world. AI isn't a buzzword for us — it's our daily reality.

The team

The faces behind the code

Alexis Deborde

Alexis Deborde

Co-founder

A lawyer turned entrepreneur, a pioneer of French legaltech. Founder of Leganov, co-founder of Hercule, creator of Smartpreuve. Ranked among the "40 shaping the future of law" by the Institut Choiseul.

Pierre Colliot

Pierre Colliot

President

11 years of innovation in the legal sector. Founder of La Fabrique Juridique, creator of Supernovia.io, former Marketing Director at Jarvis Legal. He has supported dozens of firms and legaltechs in their growth.

Joachim Darmalingon

Joachim Darmalingon

CTO

7 years in SaaS application development. Former developer at Legal Pilot, Lead Dev at Supernovia.io, creator of Lexiwork and KaribNav. MIAGE engineer, specialist in scalable architectures.

Benjamin Barbé

Benjamin Barbé

Infra & Cybersecurity

Tech Lead and Solution Architect, founder of Techspike, creator of the Zevra Factory. Specialist in complex migrations, distributed architectures and legal cybersecurity (GDPR/NIS2, ANSSI).

Gilles Monnier

Gilles Monnier

IT Project Manager

The conductor who turns vision into delivery. He bridges clients' business requirements and technical execution. Deadlines, compliance, integration — he masters the constraints of the legal world.

Convinced? The best way is still to talk it over for 30 minutes.

Book a conversation with the team
Who it's for

It's for you if

Lawyer or law firm

You want a custom management tool, a document generator, an AI assistant trained on your practice. Something that fits you — not a generic solution to configure for 6 months.

Legal department

Request portal, multi-country litigation dashboard, internal workflow automation. Steer your activity, not your Excel files.

Legaltech or startup

You have the idea and the domain expertise, we have the code and the infrastructure. Proof of concept in 1 to 2 months. We've already incubated projects via the Studio — DealMetrics, Plume, Agora Juridique.

Company

A specific legal need: compliance, contract generation, automated audit. We build you a tool tailored to your process.

FAQ

Questions that come up

I don't have a specification.
No worries — it's often even better. We start from your problem, not a 50-page document no one reads. The audit (from €1,500 excl. VAT) is made for exactly this: in 3 to 5 days, we map your needs and deliver a prioritized AI roadmap.
How much does a proof of concept cost?
€5,000 excl. VAT, flat rate. You get a working prototype, tested on your real cases, usable in production. 1 to 2 months of development. If the project needs to go further, we move to the agile Studio (€2,500 excl. VAT/month) or to a fixed package depending on the scope.
Do you handle the design?
Yes, end to end. UX research, wireframes, UI design and integration — everything is done in-house. We don't separate design from code. The result: interfaces that are beautiful AND functional, built for the legal profession.
Do you integrate AI into projects?
It's our specialty. We integrate Claude, GPT or Mistral depending on the need — document generation, classification, summarization, augmented legal research. We connect LLMs to your business data via the MCP protocol for reliable, contextualized results. We built MCP Factory and Supernovia: legal AI is something we practice every day.
What is MCP?
MCP (Model Context Protocol) is a protocol that lets an AI model interact with external data sources in real time — legal databases, ERP, internal documents. Concretely, your AI assistant can pull a statute from Légifrance, look up a Pappers record or read a document in your DMS. We built MCP Factory to industrialize these connections: 17 connectors, more than 4.5 million documents accessible.
Who owns the code?
You do. In every scenario. Whether you host in-house or we deliver turnkey, you leave with the code, the documentation and the ability to take over maintenance on your own if you wish.
What if it changes along the way?
That's the norm. Our short-sprint method is built to absorb changes. If the scope evolves significantly, we reassess the timeline and budget together. As long as we keep talking, everything can be managed.
Can you just help me with specifications?
Yes. Functional scoping, technical architecture, audit of an existing system — it can be a first step before development, or a deliverable in itself. The audit from €1,500 excl. VAT is often the right entry point: you leave with a map of your needs and an AI roadmap, whether the project moves forward with us or not.
Another path

Not (yet) a custom project?

Maybe what you're looking for already exists — or you can build it yourself.

Let's talk about your next tool.

30 minutes to scope your need, identify the right track, and find out whether we're meant to work together. No commitment, no sales pitch.