What does introducing AI in a law firm or fiduciary office cost?
Updated: 2026-10
The cost of introducing AI in a law firm or fiduciary office depends on team size, the number and type of tools, professional secrecy requirements, the scope of training and whether an own assistant for the firm’s documents is built. A fixed-scope starter package with an optional second step is common.
For law firms and fiduciary offices, introducing AI has two very different parts. The first is organisational: which tools are approved, which data may go in, how outputs are checked and how all staff are trained. The second is technical and optional: an own assistant answering questions from the firm’s templates and documents with source citations.
The first part makes sense for every firm that uses AI at all and is comparatively compact. The second only pays off once enough of the firm’s own knowledge sits in documents and the foundations are in place.
What drives the cost
Team size
The number of staff determines the effort for training and documentation, including assistants, trainees and external staff.
Tools
Every tool to be approved is reviewed for data use, processing location, retention and contract. AI features in existing practice or accounting software are included.
Secrecy requirements
Professional secrecy duties and the type of mandates determine how strict data rules, vendor selection and contracts must be.
Scope of training
A compact introduction for all is quickly delivered; deeper training for individual practice groups or recurring refreshers extends the scope.
Own assistant
An assistant for the firm’s documents is a project of its own with build and running costs, depending on document volume, permissions and integrations.
How we price
- 01
Fixed-scope starter package
Tool inventory, a usage policy tailored to the firm, review of the key vendors, approval process and kick-off training at a price agreed in advance.
- 02
Own assistant as a second step
A prototype with a limited document set, then a fixed-price expansion and transparently stated running costs.
- 03
Annual review
Updating policy and tool list, refresher training and review of new AI features.
We deliberately publish no online prices: every case differs. After a short first conversation you receive a binding fixed price or clear frame.
Parent service: EU AI Act & Compliance Advisory
Matching offers
AI usage policy and vendor review for companies
The package puts AI use in your company into clear shape: an initial inventory of all AI tools, a short, understandable usage policy, a review of the key AI vendors for data use and contracts, a quick approval process and kick-off training that also evidences the measures under Art. 4 AI Act.
Internal AI assistant with source citations for your own documents
An internal AI assistant answers questions based on your own documents — manuals, policies, contracts, project files — and cites the source for every answer. What matters are permissions, so each person only sees what they may see, evaluation of answer quality and a deliberate choice of model and data residency.
FAQ
Is this worth it for a small firm?
Yes, especially there. In small teams everyone often uses the same tools, and a short, clear framework protects professional secrecy with little effort.
Does it have to be an own assistant straight away?
No. The organisational foundations come first. An own assistant pays off when a lot of knowledge sits in the firm’s templates and documents and answers must be strictly tied to sources.
Is the professional-law assessment included?
The organisational implementation is; the professional-law assessment in each case remains with the firm and, where relevant, the competent professional body.