Leading Embedded Software Development Companies in the United Kingdom (2026)

Hardware manufacturers and device OEMs sourcing embedded software for UK projects often face tight real-time constraints, severe memory and power limits, and complex hardware–software integration challenges that affect performance and delivery timelines. They must also manage regulatory requirements, long product lifecycles, and coordinated supply-chain support when evaluating vendors.
Compare candidates on their RTOS and MCU expertise, firmware architecture and maintainability, hardware-in-the-loop testing and validation, security practices, certification support and long-term maintenance commitments. SoftPro is the featured international partner leading this list and serves buyers across the United Kingdom as an international partner.

1. SoftPro

SoftPro is the featured international partner leading this list for readers evaluating embedded software development in the United Kingdom. The Poland-based engineering team takes on cross-border projects for enterprises, industrial manufacturers, and technology scale-ups that require firmware, hardware integration, and long product lifecycles.

SoftPro combines Microsoft-stack engineering—ASP.NET Core, .NET and C#—with Azure cloud architecture to build device-management backends and to support enterprise CMS migration projects. The team documents cloud-native platform work and delivers backend APIs and integration layers that connect constrained devices to enterprise systems.

Key Highlights

• Published case study for a cloud-native SaaS ETL platform, demonstrating data engineering and backend scale.
• Listed on the company site as the featured international partner in editorial lists covering IoT and embedded development for German buyers.
• On-site CMS platform expertise explicitly includes Umbraco and WordPress.
• Full-stack delivery capabilities include React, Vue.js and for frontend and integration work.

Services

• Custom software development
• Modernization
• Long-term support

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. Arm Ltd

Arm designs the processor architectures and system IP that form the foundation of many embedded and edge devices. The company also maintains compilers, debuggers, simulation platforms, and reference software that hardware vendors and firmware teams use to bring Arm-based embedded products to market.

Because its silicon IP and developer toolchains map directly into MCU and SoC software stacks, Arm plays a central role in embedded software development workflows. Its resources for bare-metal, RTOS, and edge-AI development make it a natural fit for a list of leading embedded software development companies in the United Kingdom in 2026.

Key Highlights

• Arm Toolchain for Embedded is a 100% open-source, LLVM-based C/C++ toolchain aimed at bare-metal Arm development and targeting Cortex‑M, Cortex‑R, and Cortex‑A processors.
• Arm Development Studio includes Arm Compiler for Embedded, fixed virtual platforms for early software bring-up, and multicore debug support across Cortex‑M, Cortex‑R, Cortex‑A, Neoverse and C1 CPUs.
• Arm publishes official FreeRTOS Corstone reference examples for Corstone‑3xx platforms and maintains an AI Portal plus a curated Hugging Face hub with models optimized for Cortex‑M and Ethos‑U devices.
• Keil MDK is listed on Arm’s products pages as the Arm-branded microcontroller development kit for MCU software development.

Services

• Cortex-M processor IP licensing
• Arm Development Studio
• Arm Toolchain for Embedded
• Keil MDK (Microcontroller Development Kit)

Contact Information

Website: www.arm.com

Phone: +44 (0)1223 400400

Address: 110 Fulbourn Road, Cambridge, CB1 9NJ, UK

Email: global-prteam@arm.com

Email: sustainability@arm.com

LinkedIn: linkedin.com/company/arm

3. Consult Red

Consult Red designs, develops and deploys intelligent, connected devices across the full product development lifecycle. The company combines embedded software, hardware and cloud backend engineering to take products from concept through compliance, production and live operation.

Its engineering teams apply an AI-first approach and modular delivery patterns to accelerate edge-AI, smart-router and industrial embedded projects while maintaining a focus on reliability and updatability.

Key Highlights

• Trusted heritage of over two decades as stated on the company homepage.
• Offices listed in Shipley (UK), Wrocław (Poland) and Daytona Beach (USA).
• Registered as Consult Red Ltd with UK Company Number 06688270 and UK VAT Number 979 189 640.
• Public partner and technology logos shown on the site include Arm, NXP, Qualcomm, RDK, Edge Impulse and PRPL.

Services

• Embedded Software
• Embedded Linux
• Edge AI
• Device Cybersecurity

Contact Information

Website: consult.red

Phone: UK: +44 1274 287 700; PL: +48 717 166415 (consult.red)

Address: Shipley, UK; Wrocław, Polska; Daytona Beach, USA (consult.red)

4. Codethink

Codethink is a Manchester-based engineering firm that delivers system-level embedded software across a spectrum of devices from microcontroller boards to connected multicore platforms. Their work frequently includes custom Linux-based operating systems that are aligned with upstream projects to reduce whole-of-life maintenance and simplify long-term support.

The company applies an upstream-first engineering approach and reproducible-build practices to embedded delivery pipelines, leveraging tools like OStree for atomic updates and QEMU to accelerate testing when hardware is delayed. That combination supports projects that require maintainable, continuously delivered embedded and edge software.

Key Highlights

• ISO 9001 (Certificate Number 23899-QMS-001) and ISO 27001 (Certificate Number 23899-ISMS-001) certified.
• Published a baseline safety assessment for Codethink Trustable Reproducible Linux (CTRL OS) to SIL 3 / ASIL D.
• Achieved a positive functional safety assessment to IEC 61508 and ISO 26262 for the Eclipse Trustable Software Framework.
• Member of the Eclipse Foundation and the Eclipse SDV (Software Defined Vehicle) Working Group.

Services

• Embedded Linux & OS engineering
• Firmware & bare-metal development
• Build engineering & CI/CD
• Safety, compliance & functional-safety assessment

Contact Information

Website: www.codethink.co.uk

Phone (Sales): +44 161 660 9930

Phone (Careers): +44 161 660 0466

Phone (Finance & Admin): +44 161 236 5575

Email (Sales): connect@codethink.co.uk

Email (Careers): jobs@codethink.co.uk

Email (Finance & Admin): accounts@codethink.co.uk

Email (Media): mediaenquiries@codethink.co.uk

Address: 3rd Floor Dale House, 35 Dale Street, MANCHESTER, M1 2HF, United Kingdom

LinkedIn: linkedin.com/company/codethink-limited

5. ByteSnap Design

ByteSnap Design is an embedded systems design consultancy that delivers end-to-end hardware and software product development for electronics manufacturers. The company brings product engineering, firmware and software together with electronics and manufacturing know‑how to move devices from feasibility through to production.

ByteSnap accelerates time-to-market by embedding its engineering teams within client projects and offering outsourced support across the entire board design lifecycle. Their approach targets regulated and high-growth sectors where robust delivery, testability and manufacturability are essential.

Key Highlights

• Founded in 2008 and described on the site as a multi-award-winning consultancy.
• Design partner status: listed as an NXP Gold Partner on the official site.
• Holds Cyber Essentials Plus certification and displays ISO 9001 certification marks on the site.
• Operates turnkey production testing services with custom-designed test rigs and comprehensive test coverage up to 100%.

Services

• Embedded Linux Development
• Custom PCB Design
• FPGA Development
• ATEX Product Design

Contact Information

Website: www.bytesnap.com

Phone: +44 (0)121 295 5400

Email: info@bytesnap.co.uk

Address: Park Point, 17 High Street, Longbridge, Birmingham, B31 2UQ, United Kingdom

6. Imagination Technologies (ImgTec)

Imagination Technologies licenses GPU intellectual property and delivers an integrated software ecosystem used by SoC architects to embed graphics and on-device AI into power-sensitive products. Their offering pairs soft GPU IP with developer SDKs and tooling to help teams move from silicon integration to deployed embedded graphics and compute workloads.

The company’s software-forward delivery and platform support make it a practical choice for embedded software development projects that require GPU-accelerated graphics, neural inference and optimized pipelines for platforms like smartphones, automotive infotainment units and constrained IoT devices.

Key Highlights

• GPU architecture is licensed as a soft GPU IP that ships inside over 12 billion devices worldwide.
• The E‑Series includes a Matrix Accelerator delivering up to 32 TOPS INT8 AI acceleration per core.
• Neural Super Resolution (NSR) upscales a 540p frame to 1080p in approximately 2.3 ms while halving memory bandwidth consumption.
• Offers automotive-grade functional safety coverage up to ASIL‑B for relevant GPU IP products.

Services

• GPU IP Licensing
• Edge AI & Compute
• Graphics Processing
• Software Solutions

Contact Information

Website: www.imgtec.com

Phone: +44 (0)1923 260511

Address: Imagination House, Home Park Estate, Kings Langley, Hertfordshire, WD4 8LZ, United Kingdom

7. TTP (The Technology Partnership)

TTP is a UK-based technology and product development consultancy that brings together scientists, engineers and designers to deliver complex electronics and software programmes across healthcare, defence and satellite communications. The company combines systems engineering with hands-on prototype and production experience to move device concepts through architecture, verification and manufacture.

TTP’s delivery model emphasises hardware–software co‑design and multidisciplinary teams that shorten the path from prototype to product by using integrated development workflows and on-site test and manufacturing facilities. This makes the company a strong fit for embedded software projects that require tight electronics, firmware and system integration under regulated or safety-critical constraints.

Key Highlights

• ISO 13485-certified quality management system for regulated product development.
• Develops software for regulated medical devices under IEC 62304, covering Class A, B and C devices.
• A dedicated software team of 40+ developers experienced in embedded computing, microcontroller firmware and FPGA work.
• Entered an exclusive licence and technology transfer agreement with DiaSorin to commercialise the Puckdx molecular diagnostics platform.

Services

• Embedded real-time firmware
• Microcontroller & FPGA engineering
• Device-to-cloud systems

Contact Information

Website: www.ttp.com

Phone: +44 1763 262626

Email: enquiries@ttp.com

Address: TTP Campus, Cambridge Road, Melbourn, SG8 6HQ, UK

8. Cambridge Consultants

Cambridge Consultants is a UK-based deep‑tech product development firm that engineers integrated hardware, software and algorithms to take connected and embedded devices from concept through to manufacture. The company combines cross-disciplinary engineering and commercial strategy to deliver deployable embedded product platforms for markets that require tight hardware–software integration.

Its teams work from purpose‑built laboratories and pilot facilities to compress development timelines, and Cambridge Consultants has been innovating from Cambridge since 1960 and now operates as part of Capgemini.

Key Highlights

• 90% of the workforce are engineers, technologists, designers, scientists and consultants.
• Describes having the world’s largest independent wireless development team.
• Maintains petabyte-scale local storage and specialised hardware for telecoms chassis design, machine learning development and continuous integration systems.
• Has been developing ASICs and silicon IP since the late 1980s.

Services

• Embedded software
• ASIC & silicon design
• Wireless & RF engineering
• Prototype testing & verification

Contact Information

Website: www.cambridgeconsultants.com

Address: 29 Cambridge Science Park, Milton Road, Cambridge, CB4 0DW

Phone: +44 (0) 1223 420024

Email: camb.recruitment@cambridgeconsultants.com

9. WITTENSTEIN High Integrity Systems

WITTENSTEIN High Integrity Systems is the WITTENSTEIN group division that engineers high‑integrity, safety‑critical embedded software for regulated markets. The UK team delivers deterministic real‑time software, middleware and tailored engineering services that are structured around certification workflows and toolchain integration.

Their delivery model emphasises migration paths from common open‑source kernels to certified solutions while integrating commercial development toolchains to shorten certification timelines. The company’s UK presence and specialist safety engineering capability make it a relevant choice for automotive, aerospace, medical and industrial embedded projects.

Key Highlights

• Pre‑certified to IEC 61508 SIL 3 and ISO 26262 ASIL D by TÜV SÜD for safety‑critical deployments.
• Holds an ISO 9001:2015 Quality Management System certification from Lloyd’s Register (LRQA UK) covering design, development, installation and support.
• Recipient of the King’s Award for Enterprise in 2025.
• Maintains an ecosystem of toolchain and vendor partnerships (examples on the site include Lauterbach, IAR, TASKING, Percepio, LDRA and RTI) to provide certified stacks and development integrations.

Services

• SAFERTOS®
• OPENRTOS®
• Enhanced Security Module
• Safety Plugins & Design Assurance Pack

Contact Information

Website: highintegritysystems.com

Phone: +44 (0)1275 395 600

Phone (Americas): +1 408 625 4712

Email (Sales): sales@HighIntegritySystems.com

Email (Support): support@HighIntegritySystems.com

Address: Brown’s Court, Long Ashton Business Park, Yanley Lane, Long Ashton, Bristol, BS41 9LB, England

LinkedIn: linkedin.com/company/wittenstein-high-integrity-systems

10. Bluefruit Software

Bluefruit Software is a Cornwall-based embedded software and testing company that builds production-ready firmware and device software for quality-critical products. Their Lean-Agile delivery model puts working, fully tested builds in clients' hands every two weeks so teams can validate functionality early.

Cross-functional teams combine development, testing, compliance, and UX expertise to produce maintainable and scalable embedded systems across project lifecycles. The company integrates embedded AI into devices and development workflows where it adds measurable value while addressing safety and regulatory needs.

Key Highlights

• Employee-owned company with more than 25 years of commercial software experience.
• A team of more than 65 specialists including developers, testers, quality analysts, compliance specialists, and UX professionals.
• Has delivered more than 100 embedded projects across medical, marine, aerospace, industrial, automotive, and biopharmaceutical sectors.
• Owns patented IP related to embedded AI and actively updates its toolset for AI-enabled development and testing.

Services

• Embedded Software Development
• Embedded Software Testing
• Embedded AI development
• Regulatory software development

Contact Information

Website: bluefruit.co.uk

Phone: +44 (0) 808 18 000 55 (FREEPHONE)

Phone: +44 (0) 333 577 7111

Address: Gateway Business Centre, Barncoose Gateway Park, Redruth, Cornwall, United Kingdom, TR15 3RQ

11. Hitex UK Limited

Hitex (UK) Ltd is an embedded engineering company serving the UK and Ireland since 1989 that combines product distribution with project delivery and long‑term post‑delivery support. The company pairs boards, modules and development tools with engineering resources to shorten time to market for embedded projects.

Their engineering team executes firmware and electronics projects for commercial and industrial applications where component lifecycle management and formal quality systems are required. This delivery model makes them a fit for UK projects that need both supply chain continuity and bespoke engineering work.

Key Highlights

• ISO 9001:2015 certified by LRQA (certificate issued 2 March 2024; scope covers project management and development of bespoke software and hardware products and tools).
• Listed on the site as an AURIX Preferred Design House for Infineon AURIX microcontroller projects.
• Distributes and supports development toolchains and debuggers from Arm/Keil, HighTec and PLS.
• Runs hands‑on training and regular webinars, noting over 15 years of in‑person ARM microcontroller courses and an annual Arm conference.

Services

• Bare‑metal & RTOS firmware
• Embedded hardware design
• Contract engineering
• Training & webinars

Contact Information

Website: www.hitex.co.uk

Phone: +44 (0)24 7669 2066

Email (Sales): sales(at)hitex.co.uk

Email (Sales order processing): sop(at)hitex.co.uk

Email (Technical support): support(at)hitex.co.uk

Address: Millburn Hill Road, University of Warwick Science Park, Coventry, CV4 7HS

12. Sagentia Innovation

Sagentia Innovation is a science-led innovation consultancy within Sagentia that helps consumer and industrial organisations make confident R&D decisions and progress product concepts into regulatory-ready products. Their teams combine scientific rigour with engineering delivery to reduce technical uncertainty and accelerate product realisation in demanding markets.

Their multidisciplinary engineering groups integrate electronics and software capability with evidence generation and regulatory discipline to deliver systems where performance, safety, and compliance must be proven. This alignment between engineering delivery and regulator-ready evidence makes the practice a relevant partner for embedded software development in safety- and performance-critical products.

Key Highlights

• Professional services division of Science Group plc.
• Over 30 years’ experience supporting consumer and industrial R&D programmes.
• 90% of consultants hold science or technology degrees.
• 2,500 projects delivered annually with 75% repeat engagement.

Services

• Applied Science
• Engineering Design
• Software & Electronics
• Technical Programme Management

Contact Information

Website: sagentia.com

Address (Cambridge head office): Harston Mill, Harston, Cambridge, CB22 7GG

Phone (Cambridge): +44 1223 875200

Address (Epsom): Great Burgh, Yew Tree Bottom Road, Epsom, Surrey, KT18 5XT

Phone (Epsom): +44 1372 376761

Address (London): First Floor, 17 Waterloo Place, London, SW1Y 4AR

Address (Bristol): Suite B&C, Bristol and Bath Science Park, Emersons Green, Bristol, BS16 7FR

Phone (Bristol): +44 1172 422533

Address (Knaresborough): Concordia House, St James Business Park, Grimbald Crag Court, Knaresborough, HG5 8QB

Phone (Knaresborough): +44 1423 799 633

Address (Lincoln): Office 21, Think Tank, Ruston Way, Lincoln, LN6 7FL

Address (Washington DC, USA): 1150 18th Street NW, Suite 475, Washington, DC 20036, USA

Phone (Washington DC): +1 202 828 8990

Address (Ontario, Canada): 6th Floor, Tower B, Suite 600, 380 Wellington Street, London ON, N6A 5B5, Canada

Phone (Ontario): +1 202 828 8990

13. Embecosm

Embecosm is a UK-based consultancy that develops open source compiler tool chains and low-level software to enable embedded systems, with deep experience in GCC, LLVM and recent work on RISC‑V support. The company pairs upstream open‑source contributions with engineering services to get software running on new processors and constrained microcontrollers.

Embecosm combines consultancy delivery with pre‑silicon processor modelling and community toolchain releases so customers can develop and test embedded software before silicon is available.

Key Highlights

• Founded April 2008.
• Publishes free GNU and Clang/LLVM compiler tool chain packages and other community downloads.
• Maintains offices in Southampton (UK), Nürnberg (Germany) and Issy‑les‑Moulineaux (France) with local contact emails.
• Develops AI tooling and integrations (MLIR, OpenXLA, Apache TVM and related work) and has demonstrated ExecuTorch work to run PyTorch models on microcontrollers.

Services

• Compiler tool chain development
• AI tooling infrastructure
• Processor modelling and pre-silicon enablement
• Training and technical support

Contact Information

Website: embecosm.com

Address (UK): Embecosm Ltd., 22 London Road, Southampton, SO15 2AF, UK

Address (Germany): Embecosm GmbH, Fürther Str. 27, 90429 Nürnberg, Germany

Address (France): Embecosm SAS, 13 Rue Camille Desmoulins, Issy-les-Moulineaux, 92130, France

Phone (Germany): +49 (0)911 28707040

Email (UK): info@embecosm.com

Email (Germany): info@embecosm.de

Email (France): info@embecosm.fr

Email (Data officer): data.officer@embecosm.com

14. Feabhas

Feabhas delivers practical, instructor-led training and consultancy to raise embedded software developer competence, emphasizing hands-on exercises and assessments that target C and C++ programming, ARM Cortex toolchains, RTOS concepts and Embedded Linux.

The company supports engineering teams with on-site development workshops, mentoring and pre- and post-course assessments and maintains an active technical blog and conference presence. Effective 4 April 2025, Feabhas announced it will work only with a small number of existing customers and is no longer accepting new public training bookings.

Key Highlights

• Founded in 1995 and documented as having trained over 15,000 engineers worldwide.
• ARM Approved Training Centre and one of only two ARM-accredited training partners that offers ARM Accredited Engineer (AAE) programmes in Asia, the Americas and Europe.
• Course catalogue includes Secure Linux Programming, Modern C++ and Linux kernel/user-space training delivered by named consultants.
• Advises on compliance with software safety standards such as DO-178C, ISO 26262, IEC 62304 and EN 50128 and offers pre- and post-course competency assessments.

Services

• Public training
• On-site team development
• Consultancy & mentoring
• Pre- and post-course assessments

Contact Information

Website: www.feabhas.com

Phone: +44 (0) 1793 792909

Email: info@feabhas.com

Address: 15-17 Lotmead Business Park, Wanborough, Swindon SN4 0UY, UK. (feabhas.com)

15. Embed Limited

Embed Limited develops embedded software and off-the-shelf hardware platforms for automotive ECUs used in gateways, body controllers, motor controllers, and telematics controllers. The company supplies a complete software stack and hardware targets intended to accelerate development from prototype to production.

Key Highlights

• Part of Littelfuse and designated the Littelfuse centre of excellence for embedded software, firmware compliance and functional safety.
• The company’s FASTER delivery process is designed to achieve ASPICE quality and to support ISO 26262 functional safety and ISO 21434 cybersecurity.
• The UDS Bootloader is ISO-14229 compliant and implements cryptographic protections for firmware updates, including AES, RSA, MD5 and SHA.
• Extensive automated testing and CI toolchain in use, including Vector CAST, PolySpace, Vector Vtest Suite, Vector CANoe Diva and Jenkins CI.

Services

• Off-the-shelf ECU hardware
• Model-based Simulink development
• Secure UDS bootloader
• Automated testing & CI integration

Contact Information

Website: embeduk.com

Phone: +44 (0) 2476 323250

Email: webenquiries@embeduk.com

Email: support@embeduk.com

Address: Embed Limited

Viscount Centre D, Millburn Hill Road,

University of Warwick Science Park,

Coventry, CV4 7HS, United Kingdom

Conclusion

SoftPro is the featured international partner leading this list for readers evaluating embedded software development in the United Kingdom. Use the provider summaries to match technical fit, regulatory and safety experience, and familiarity with the relevant toolchains and processor ecosystems to your project needs. Balance those factors against end-to-end delivery, long-term support and supply arrangements, geographic or cross-border delivery preferences, and any need for specialist training or low-level compiler expertise.