# Elysium Ltd

> Productionising Prototypes. Sovereign-Hosted. UK.

- Canonical listing: https://agencysource.com/agencies/elysium
- Location: Crowborough, England
- Categories: [Web Development](https://agencysource.com/categories/web-development), [AI & LLM Development](https://agencysource.com/categories/ai-development), [Cloud & DevOps](https://agencysource.com/categories/cloud-devops), [AI Agents & Automation](https://agencysource.com/categories/ai-agents-automation), [Custom Software Development](https://agencysource.com/categories/custom-software-development), [No-Code & Low-Code](https://agencysource.com/categories/no-code-low-code)
- Services: Custom Software Development, DevOps Managed Services, Application Management & Support, Enterprise App Modernization, Web Development, AI Agents, AI Development
- Industries: Business services, Medical, Financial services, Information technology, Government, Other industries
- Team size: 10 - 49
- Hourly rate: $150 - $199 / hr
- Minimum project: $25,000+
- Founded: 1991
- Website: https://elysium.uk
- Listing: Not yet claimed
- Agency Source rating: no Agency Source reviews yet

## About

Elysium: The "Adult in the Room" for Enterprise Software, AI Development & Sovereign Hosting

Engineering certainty since 1991.

In a market of AI-first agencies and rapid-prototyping shops, Elysium offers something rarer: senior engineers who have shipped production software through every major platform shift since 1991. We are the technical anchor for mid-market firms, regulated sectors and PE-backed ventures. Trusted in clinical trials & digital health for 16+ years, plus public sector recruitment and talent acquisition.

Three focused services:

PROTOTYPE → PRODUCTION We rebuild fragile AI and low-code experiments (Bubble, Retool, Bolt, AI-wrappers) into secure, scalable, enterprise-grade applications. End shadow IT and PoC fatigue.

RAILS LEGACY MODERNISATION Ruby on Rails is our specialism — we've shipped production Rails since the framework's earliest days. Your mature Rails monolith has proven itself; don't scrap it. Our AI-accelerated Feature Map delivers a current-state report in hours, not months, then we harden, modularise, and evolve. Business continuity guaranteed.

SOVEREIGN INFRASTRUCTURE 100% UK-owned and operated AWS infrastructure with UK-only management and key control. True jurisdictional isolation from US CLOUD Act exposure. Fully managed, production-grade DevOps.

We also build AI powered applications: LLM integrated systems, multi-agent workflows, RAG pipelines — engineered by people who know when to trust AI and when to override it.

- WHY ELYSIUM
- 35 years of engineering heritage — we're not learning on your time

20-person UK-based squad, all SFIA 9 mapped, with a Technical Anchor (L4/5) and dedicated WCAG 2.2 Accessibility Lead

- ISO 27001:2022, ISO 9001, and Cyber Essentials certified
- No offshoring, no account managers — direct access to senior engineers
- Audited code and documentation your internal teams can maintain

Human expertise. AI velocity. Where craftsmanship meets enterprise scale.

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