Custom internal software,
with AI built in, for SMEs and mid-sized companies.

C-Esium works with SMEs and mid-sized companies in every sector — services, industry, construction, health and social care — from about ten to a few hundred employees. The criterion is not the sector but the situation: several sites or branches, field teams, data re-keyed between tools, business rules that no standard software applies, and a budget from AED 200,000 for a complete internal software, or from AED 40,000 for a focused project. Example: Tech-O, a multi-branch water-leak detection network, runs its whole business in internal software built by C-Esium. If your processes are standard, off-the-shelf software will suit you better — we will tell you on the first call.

Yes. With C-Esium, you own your software: the rights to the project source code are assigned to you by contract — including the building blocks we reuse from one project to the next — together with the database and the documentation, and the code is placed in a Git repository in your name at the latest on delivery. There is no per-user licence and no dependence on a software vendor: you can evolve the software with us, with another provider or in-house. Its accounting treatment is decided with your accountant.

A complete internal software starts from AED 200,000 excluding VAT (from €50,000 for clients in France). Beyond that there is no price grid: the budget depends on your situation — the size of the company and the number of people who will use the software every day, the number of sites and business units, your current tools and how scattered your data is, and the scope and depth of the software. A company of about fifteen people can, from AED 200,000, bring its key operations together in a single tool. To start smaller, a focused project — a single module, an AI connector on your current tools, automations between your tools or a mobile app for field teams — starts from AED 40,000 (from €10,000 in France). The exact price is set after the assessment, in a firm quote; maintenance is optional.

Yes. C-Esium offers a focused project, from AED 40,000: a single module as a V1 (CRM, scheduling or quotes and invoicing), an AI connector to query your current tools from ChatGPT or Claude, automations between your tools, or a mobile app for field teams. You own the code, as with a complete software, and the project can later grow into a complete internal software.

Yes. In the United Arab Emirates, C-Esium projects are contracted and invoiced in AED by SCALEUP FORGE WEB - FZCO (Dubai trade licence no. 70206, IFZA). Prices start from AED 40,000 for a focused project and AED 200,000 for a complete internal software, excluding VAT. By default, the software is hosted on AWS in its Middle East (UAE) Region, so the data stays in the country. The first call and the half-day assessment workshop take place on site or by video.

For clients in the UAE, the software is hosted by default on AWS (Amazon Web Services) in its Middle East (UAE) Region, so the data stays in the country; a European region is possible on request. For clients in France, AWS in a European region is the default, or a European host such as Infomaniak, in Switzerland, if data sovereignty matters. By default, the hosting account is opened and paid for by C-Esium, then re-invoiced; it can be opened in or transferred to your name at any time, on request.

You choose. C-Esium offers optional maintenance, as a monthly package. But because you own the code, you can also bring the day-to-day management of the software in-house — with a developer trained by C-Esium — or hand it to another provider.

It would remain yours, and another developer could take it over. The code is in a Git repository in your name, the hosting account can be transferred to your name at any time, the technical and functional documentation is delivered, and the software is written with standard, widely used web technologies (TypeScript, React, Node.js, PostgreSQL) that any web developer can take over. C-Esium can train an in-house developer or a third-party provider, and offers source code escrow with a trusted third party as an option.

For a focused first scope, allow 1 to 2 months for a working V1. Software covering the whole company takes from 6 months to more than a year, delivered in batches. You see the tool grow with a demo every two weeks, and your current tools stay in place until the switch-over.

No. The approach is non-invasive: we keep what works and what your teams know, connect your existing tools (accounting, payroll, telephony, technical software) and only replace what needs replacing. The goal is to enter each piece of data once, never twice.

Only if you decide so, and only for the users you authorise. AI assistants access your software through a read-only, logged MCP connector. We recommend business plans (ChatGPT Business or Enterprise, Claude Team or Enterprise, or the API) that do not use your data to train the models, and the framework is set out in the contract. Health data follows specific rules, defined at scoping.

C-Esium does not specialise in one sector: the method starts from your real processes, observed in the field. Tech-O, a multi-branch water-leak detection network in France, is the case study we publish in detail, because the project went very far technically (AI, MCP connector, integrations). Our other business software and app projects are not presented in detail on this site. The approach applies to services, construction, industry, and health and social care.

Noé Fantino (founder, software engineering and organising operations in SMEs), Jean-Philippe Diez (partner, sales director) and Cyrille Fantino (partner, interim manager and change management). The team is based near Lyon, France, and serves clients in France and the United Arab Emirates. C-Esium is a brand of SINEO SAS (France).