About

YOUR DIGITAL HUB in short

YOUR DIGITAL HUB is a French SASU positioned as an expertise boutique across three structural axes: PHP development, cybersecurity and artificial intelligence. We support CIOs, CTOs and executives who run critical applications — business applications, SaaS products, B2B platforms — across their full technical lifecycle.

Our mission: deliver senior, full-stack technical expertise, with the contractual transparency of a French company and the responsiveness of a focused boutique. No hidden subcontracting, no juniors buried behind a shared architect.

Our expertise

Our teams master ten areas of intervention in depth.

• Custom PHP development — Symfony, Laravel, API Platform, DDD architecture, REST and GraphQL APIs, business applications continuously delivered.
• Migration & modernization — PHP 5.x → 8.3, Symfony 2 → 7, Zend → Symfony, major Laravel upgrades. Strangler-pattern approach, zero downtime, Rector automation.
• Technical audits — Code, architecture, performance, security. Prioritized deliverables, quantified quick wins, measured technical debt, actionable remediation plans.
• Cybersecurity — OWASP Top 10, grey-box application pentest, server hardening, Vault-based secrets management, GDPR compliance and ISO 27001 alignment.
• Performance & scalability — Blackfire and Tideways profiling, multi-layer caching, PostgreSQL and MySQL tuning, HTTP/2 and HTTP/3, CDN, load balancing.
• DevOps & infrastructure — CI/CD with GitHub Actions and GitLab CI, Docker, Kubernetes, Terraform, Ansible, observability with Prometheus, Grafana, Datadog, Sentry.
• Managed cloud hosting — LAMP/LEMP managed hosting on AWS, GCP, Azure, OVHcloud. 24/7 monitoring, encrypted backups, contractual SLAs from 99.5% to 99.95%.
• Software architecture — DDD, modular monolith vs microservices, event-driven, CQRS, Event Sourcing. C4 diagrams, ADR registry, scaling plan.
• Artificial intelligence — LLM integration (Claude, GPT, Mistral), RAG on business data, autonomous agents, fine-tuning, MLOps, vector DBs (Qdrant, pgvector, Pinecone).
• Tech Leadership — CTO as a Service, fractional Lead Tech, continuous code review, mentoring, technical hiring, engineering process rollout.

Our methodology

Seven public, reproducible steps, designed so you stay in control at every milestone.

1. Discovery — business context understanding, existing code analysis, identification of technical and organizational risks.
2. Scoping — functional and technical workshop, prioritized backlog, detailed quote per batch, realistic schedule signed by both parties.
3. Implementation — short two-week sprints, pull requests reviewed within 24h, automated tests from line one, CI/CD operational from day 1.
4. Acceptance — functional and technical acceptance, k6 load tests, pre-production security audit, business validation by your key users.
5. Go-live — zero-downtime blue/green or rolling deployment, tested rollback strategy, active monitoring, dedicated on-call.
6. Handover — complete technical documentation (ADR, runbooks, README), team training, minimum one-month overlap period.
7. Support & evolution — corrective and evolutive maintenance under SLA, monthly package sized to volume, security watch, quarterly roadmap.

Our commitments

Six commitments formalized in every contract.

• Systematic NDA — non-disclosure agreement signed before any technical discussion.
• Full transparency — shared repo access, daily commits, written weekly reporting.
• Code ownership — full and irrevocable assignment of economic rights on each delivery.
• Tailored SLA — contractual availability guarantees sized to criticality (99.5%, 99.9%, 99.95%).
• GDPR & ISO 27001 compliance — aligned practices, documentary audit provided for your own certifications.
• Guaranteed reversibility — complete documentation, skills transfer, overlap period.

Our team

YDH brings together a senior team with more than ten years of combined experience on critical PHP applications, covering the full lifecycle: design, development, security, go-live, maintenance and rebuild. The core team is complemented by an extended network of associate specialists — offensive security, MLOps, advanced Kubernetes — mobilized on complex engagements, always with your prior written consent.

Every engagement is led by a dedicated senior technical contact, the unique contractual point of contact, who puts his signature on the work.

Technologies

Industries

Our boutique operates in demanding business contexts.

• E-commerce & retail — Symfony and Magento platforms, ERP/PIM integrations, traffic peak absorption.
• Fintech & insurance — ACPR, PCI DSS, DORA constraints, complete audit trails, rigorous regression testing.
• Health & biotech — HDS hosting, healthcare GDPR, regulatory traceability, FHIR interoperability.
• SaaS & software vendors — multi-tenant architecture, usage-based billing, SLAs, automated onboarding.
• Media & content — high editorial loads, aggressive caching, CDN, custom editorial workflows.
• Public sector & IT services — public procurement, senior PHP subcontracting, technical advisory.

Our certifications

Our boutique invests in official certifications that attest to our expertise with strategic vendors.

• Shopify Partner — official Shopify partner status for Shopify and Shopify Plus store creation, customization and deployment.
• Shopify Developer — private app development, advanced Liquid theme customization, headless Hydrogen and Remix integrations.
• More certifications in progress — AWS, Symfony, and additional vendor partnerships aligned with our technical roadmap.

Legal information

Company name: YOUR DIGITAL HUB

Legal form: SASU (French simplified joint-stock company, single shareholder)

SIRET: 942 406 265 00010

SIREN: 942 406 265

RCS: RCS Pontoise 942 406 265

Share capital: to be provided

Registered office: 32 rue des Marjoberts, 95000 Cergy, France

Intra-EU VAT number: FR62 942 406 265

APE code: 6202A — Computer systems and software consulting

President: Montassar SMIDA

Incorporation date: 7 April 2025