Accountant, physiotherapist, architect: custom software for independent professionals

Regulated professions share a problem: detailed business rules flattened by generic software. Specifications approved by the professional, now within reach of a practice, preserve those rules as they are.

An accountant, a physiotherapist and an architect share three constraints: a regulated profession, data protected by professional confidentiality and detailed rules that generic software flattens. In 2026, a tool shaped around the practice can be directed without coding for around €20 per month in assistant subscription fees, plus a few hours of approval.

The same problem in three practices

The accountant tracks engagements with intertwined deadlines; production software excels at accounts, while tracking the practice itself, engagement letters, reminders, workload per colleague, ends up in a spreadsheet. The physiotherapist manages assessments and session series with precise renewal rules; their online calendar knows none of them. The architect divides commissions into phases, each with deliverables and fees; their invoicing tool ignores amendments. Three professions, the same symptom: the generic tool covers common ground and leaves the heart of the profession in a separate file.

Why generic software flattens

A software vendor aims at the largest audience: it models the average practice. Your particularities, the package reviewed annually with a certain client, a rule for allocating fees between partners, a document required by your professional body, cost too much to generalise, so they do not exist in settings. You compensate with workarounds, and each workaround lives outside the tool without history or control. The phenomenon worsens with specialisation: the more your practice refines its work, the less it resembles the average practice the vendor modelled.

Specifications written in your language

The AI agent method takes the problem from the other end: your rules first. You explain them as you apply them, ‘one engagement letter per mandate, reviewed annually before the deadline’, and agents turn them into requirements in French, which you review as a professional document rather than a choice in a menu. You correct anything that misrepresents your practice, approve, and construction is checked against that text. The document remains: the written description of how you work, an asset of the practice just like its client base.

Professional confidentiality, kept at home

A practice's data has a special status: patient records, client accounts and confidential documents. With Maestro, your projects and their data live on your machine, never on a third-party platform; this point, incidental for other uses, becomes decisive for a profession bound by secrecy. Check it wherever you commission software: ask where the data lives and who can read it. GDPR and your professional obligations follow the same thread: the less your data travels, the less there is to declare, secure and justify.

Start small, beside the central tool

Keep your accounting production software, calendar or CAD tool: they do their jobs well. Build what exists nowhere, the module currently living in a spreadsheet: engagement tracking, standard assessments or a register of phases and amendments. A first module can be scoped over a few evenings and becomes useful in the first month. And if that module helps, the next will be described all the faster because your rules are already written.