Contact Elysium Ltd
Get a custom proposalProductionising Prototypes. Sovereign-Hosted. UK.
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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Min project size
$25,000+
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Hourly rate
$150 - $199 / hr
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Employees
10 - 49
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Locations
Crowborough, England
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Year founded
Founded 1991
1 Locations
- Crowborough , England
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Our Story
Elysium has been shipping production software since 1991, through the open web, Rails, cloud, containers, and now AI. We're a 20-person UK squad of senior engineers who chose depth over scale. No offshoring, no account managers, no learning on your time. Our work is governed by three principles: tell clients the truth, leave code your team can maintain, and treat AI as a multiplier - never an excuse. UK-based, SFIA-mapped, ISO-certified.
What Sets Us Apart
35 years across every platform shift since 1991
We've shipped production software through the open web, Rails, cloud, containers, and now AI. We've seen which shortcuts work and which create technical debt that breaks businesses. That perspective is why our clients trust us with their hardest decisions - not just the easy code.UK-sovereign, certified, audit-ready by default
ISO 27001:2022, ISO 9001, and Cyber Essentials certified. Our AWS infrastructure runs UK-only management and key control - true jurisdictional isolation from US CLOUD Act exposure. Built for regulated sectors: clinical trials (16+ years), public sector recruitment, financial services, and health.Locations (1)
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