# Web, SaaS, Custom Software & AI Development | SDX

> Choose the right development service: websites, redesigns, SaaS, MVPs, business software or AI integration. Direct technical contact from France.

Web development · SaaS & MVPs · Applications · AI

## Web, SaaS, business software & AI solutions built around real needs

You do not need to choose a technology before understanding the problem. SDX Development helps European and international teams clarify the useful outcome, decide what to build and move from a defined scope to a working release.

01

**Websites**

business sites, catalogues & e-commerce

02

**Applications**

SaaS, intranets & mobile

03

**AI & workflows**

RAG, vision & n8n

## Choose the right starting point.

WEB

### Create or redesign a website

A professional, credible website with manageable content to explain your offer, build trust and make enquiries or purchases straightforward.

- Business websites, catalogues and e-commerce
- Redesign, technical SEO and performance
- CMS and manageable content
[Explore custom web development →](https://sdx-development.com/en/custom-web-development)
[Website redesign →](https://sdx-development.com/en/website-redesign)

SaaS

### Build a custom SaaS or MVP

A commercial product with its users, plans and data, starting with a working release designed to learn from the market.

- Product discovery and UX prototype
- Accounts, roles and subscriptions
- APIs, deployment and usage measurement
[Custom SaaS & MVP development →](https://sdx-development.com/en/saas-mvp-development)

APP

### Develop business software

An internal application adapted to the users, rules and data that standard software does not handle well.

- Management software and customer extranets
- Dashboards and workflows
- APIs and integrations
[Custom business software →](https://sdx-development.com/en/custom-business-software)

AI

### Automate workflows and integrate AI

Models connected to your documents, data and processes to produce useful results that can be measured and controlled.

- RAG and document search
- Computer vision
- Agents, APIs and n8n automation
[Explore applied AI →](https://sdx-development.com/en/ai-rag-automation)

## A product approach from discovery to operation.

Each decision is assessed for usefulness, feasibility, security, operating cost and room for future development. Scope and acceptance criteria are agreed before implementation so the first release has a clear purpose.

[Explore budgets and scope →](https://sdx-development.com/en/pricing)

## Shared quality foundations across every project.

UX

### Usage & interface

Information architecture, user journeys, responsive layouts and accessibility help people understand what to do and complete the task.

DATA

### Data & integrations

Data models, imports, APIs and synchronisation keep information consistent across tools.

OPS

### Security & operation

Access rights, backups, logging, deployment and maintenance are considered before production.

Build to the right scale

## The level of complexity depends on your stage.

A five-page website, a catalogue, an extranet and a multi-user SaaS need different architectures and budgets. Discovery defines a coherent first scope without overbuilding or blocking useful improvements. For remote teams, review meetings and written decisions keep priorities, dependencies and responsibilities visible across time zones.

1. **Understand the objective**What needs to change for the business or the user.
2. **Prioritise the workflow**A first release that is useful, testable and ready to operate.
3. **Choose the components**CMS, application, API, automation or AI where it serves that workflow.
4. **Plan for continuity**Administration, security, deployment, monitoring and further development.

## Unsure whether you need a website, an application or automation?

Describe the expected outcome and the tools already in place. Our first discussion helps choose the right format before committing to a technology, wherever your team is based.

[Clarify your project](https://sdx-development.com/en/contact)[View pricing](https://sdx-development.com/en/pricing)

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