UK-Registered Software Company

We build software that works.

Lumen IO Ltd designs and develops bespoke software solutions — from embedded systems and IoT platforms to web applications, mobile apps, and cloud infrastructure.

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Services

End-to-end software development tailored to your business needs.

Bespoke Software Development

Custom applications designed from the ground up — web apps, APIs, backend systems, and data platforms built to your exact specifications.

Mobile & Web Applications

Responsive, user-friendly applications for web and mobile platforms — including iOS, iPadOS, and visionOS development.

System Integration

Connecting disparate systems, third-party APIs, and services to create unified, automated workflows for your business.

Consulting & Architecture

Technology strategy advice, system design, and technical architecture planning to set your project up for success.

Maintenance & Support

Ongoing support, bug fixes, performance optimisation, and feature enhancements to keep your software running smoothly.

Cloud & DevOps

Cloud infrastructure setup, migration, and CI/CD pipeline implementation for reliable, automated deployments.

Built on expertise, driven by quality.

Lumen IO Ltd is a UK-registered software development company specialising in bespoke solutions across embedded systems, IoT, mobile applications, web platforms, and cloud infrastructure. Founded by an engineer with 6+ years of professional experience, we bring deep technical expertise to every project.

We work as an extension of your team — understanding your goals deeply, communicating clearly, and delivering software that's built to last. No layers of management, no outsourcing. You work directly with the person building your product.

iOS iPadOS macOS watchOS visionOS Web Android
UK Registered Company
5+ Apple Platforms
Full Stack Development
6+ Years Experience

Modern tools, proven results.

We use the right technology for the job — here's what we work with.

Languages

  • Python
  • C / C++
  • JavaScript / TypeScript
  • Swift
  • Dart
  • Java

Frameworks & Libraries

  • React / Next.js
  • Node.js
  • Django / Flask
  • Spring Boot
  • Flutter
  • SwiftUI
  • OpenCV

Embedded & IoT

  • ESP32 / Arduino
  • Renesas Microcontrollers
  • MQTT / BLE / UART
  • Nextion / DWIN / STONE HMI
  • Thermal Printers / DAC

Cloud & Infrastructure

  • AWS (S3, Lambda)
  • Microsoft Azure
  • Google Cloud
  • Docker
  • CI/CD Pipelines

Medical & Specialised

  • FHIR (Health Data)
  • SpO2 / 3-Lead ECG
  • AI Model Deployment
  • Computer Vision

Tools & Workflow

  • Git / GitHub
  • Xcode
  • VS Code
  • Trello / Slack
  • TDD / Agile

Let's build something together.

Have a project in mind? We'd love to hear about it.

Website
Location
United Kingdom
Availability
Currently accepting new projects
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Why work with us?

We keep things simple: understand your needs, build it right, and support it long-term.

  • Direct access to your developer — no middlemen
  • UK-registered for legal and contractual confidence
  • Transparent pricing with no hidden costs
  • Agile delivery with regular updates and demos
  • Full-stack capability across all major platforms