Top Serverless Development Companies in the UK to Watch

Technical teams often struggle to design serverless applications that balance performance, cost, and operational visibility while meeting UK compliance and data residency requirements. Buyers should compare vendor experience with serverless frameworks and cloud providers, architectural patterns and security practices, cost and performance optimization, testing and CI/CD pipelines, observability and incident response, and evidence of successful migrations or greenfield projects.

SoftPro is the featured international partner leading this list and serves buyers across the UK as a provider of serverless development and cloud engineering services. Buyers should assess SoftPro on the same criteria—architectural rigor, cloud-provider integrations, security and compliance controls, cost management and observability, and post-deployment support—when comparing peers.

1. SoftPro

Selected as the featured international partner for this list, SoftPro brings a Warsaw-based engineering team that serves UK enterprises and scaleups with remote delivery and long-term support. Its delivery model suits cloud migrations, cloud-native backends and enterprise integrations for projects that require Microsoft-stack expertise and cross-border collaboration.
The team executes Microsoft-centric engineering with, .NET Core and C#, and pairs that foundation with Azure-native migrations, lift-and-shift and containerization workflows. CMS modernization is part of their delivery, with experience in Umbraco implementations, supported by project management, QA and ongoing maintenance.

Key Highlights

• Over 20 years of combined team experience.
• Delivers projects on both AWS and Microsoft Azure.
• Builds AI solutions that integrate large language models and RAG architectures.
• Case studies include CRM/HRM systems, a SaaS ETL platform, support systems and community platforms.

Services

• Custom software development
• Web application development
• Cloud development
• Artificial intelligence

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. BJSS

BJSS is a global technology and software engineering consultancy with a three-decade track record of building cloud-native systems for public sector, healthcare, finance, energy, and retail clients. The firm combines multi-disciplinary engineering teams with an Academy-trained workforce to design, build, and run large-scale platforms used by millions of users.

BJSS applies serverless architectures and cloud automation in enterprise programmes, using AWS Lambda as a core compute model within repeatable infrastructure-as-code patterns and an Enterprise Agile delivery approach. This combination of serverless compute, platform engineering, and managed cloud operations makes BJSS a practical choice for organisations migrating to or modernising on serverless AWS stacks.

Key Highlights

• AWS Innovation Partner Of The Year 2023 recognised on the company About page.
• Achieved over 500 AWS certifications across its teams.
• Designated an Amazon MSK Partner after passing the AWS Service Delivery Program technical validation.
• Appointed as an AWS Public Sector Advanced Consulting Partner for UK public sector deliveries.

Services

• Cloud Migration
• Cloud Operations
• Data Streaming & Analytics
• Managed Services

Contact Information

Website: www.bjss.com

Phone: +44 20 7337 9800

Email: joan.nugent@bjss.com

Address: 1 Whitehall Quay, Leeds, LS1 4HR, UK

3. CirrusHQ

CirrusHQ is a UK-based AWS cloud consultancy that designs, builds, and operates serverless applications on the AWS platform using AWS-native services and infrastructure-as-code patterns.
Its delivery blends cloud-native development with automation and operational tooling to minimise runtime overhead and simplify the maintenance of serverless systems.

Key Highlights

• Outstanding Customer Satisfaction NPS score of +93.
• 100+ staff certifications.
• 18 years of experience supporting organisations with AWS services.
• AWS Premier Partner and 100% AWS experts focused exclusively on AWS expertise.

Services

• Cloud Migration
• Managed Cloud
• DevOps
• Cloud Optimisation

Contact Information

Website: cirrushq.com

Address (Edinburgh): CirrusHQ Ltd, Alba Innovation Centre, The Alba Campus, Rosebank Way, Livingston EH54 7GA

Phone (Edinburgh): 0131 208 0284

Address (Dublin): CirrusHQ Ltd, Suite 10758, 5 Fitzwilliam Square, Dublin 2 R744

Phone (Dublin): +353 1 636 3109

Address (London): CirrusHQ Ltd, Twenty Old Bailey, London EC4M 7AN

Phone (London): 0208 057 8007

Address (Birmingham): CirrusHQ Ltd, The Colmore Building, 20 Colmore Circus, Queensway, Birmingham B4 6AT

Phone (Birmingham): 0121 262 4190

Address (Bristol): CirrusHQ Ltd, 33 Colston Avenue, Bristol BS1 4UA

Phone (Bristol): 0117 332 6766

4. D55 Ltd

D55 is an application and data consultancy and an Advanced AWS Consulting Partner that manages the entire lifecycle from strategy through build to optimisation. The firm combines cloud, software and data expertise to modernise legacy platforms and deliver production-ready solutions.

The team uses AWS serverless technologies — Lambda, API Gateway, and DynamoDB — to modernise legacy .NET and SQL systems and build cloud-native applications, and the site highlights a 5x reduction in IT spend after adopting serverless.

Key Highlights

• Offers free AWS assessments including AWS Well-Architected Review, AWS Migration Acceleration Program, and AWS Optimisation and Licensing Assessment.
• Publishes case studies across Energy, Maritime, and Intelligence sectors, with projects for Ensek, Janes, and Lloyd's List Intelligence.
• Reports delivery metrics of 35% faster insights from managed analytics and 3x faster deployment cycles.
• Lists AWS competencies and specialisms that include EC2 for Windows and Amazon ECS.

Services

• Cloud Native App Dev
• Cloud Migration Services
• Data & AI Consultancy
• Cloud Managed Services

Contact Information

Website: www.d55.co.uk

Email: solutions@d55.co.uk

Phone: 0161 399 0257

Address: D55 Ltd. No 1, Circle Square, Manchester M1 7FS

5. DataCad Solutions

DataCad Solutions UK Ltd designs and delivers cloud-native AI and digital engineering for organisations across the UK, building production generative AI applications on AWS, Azure, Google Cloud and Oracle Cloud. The company combines strategy, design and engineering to move models from prototype to operational features for regulated and commercial customers.

Their delivery approach favours serverless compute and lightweight deployment patterns; examples on the site call out serverless inference with AWS Lambda and deployments alongside MLOps pipelines and security controls. DataCad pairs these delivery patterns with portability options such as Kubernetes-based agent orchestration so teams can choose serverless hosting or portable runtime for inference and agentic systems.

Key Highlights

• Established in 2017 as a UK digital and AI consultancy.
• Runs a two-week AI pricing diagnostic and a 90-day pilot engagement for SME pricing use cases.
• Implements portable agentic systems using LangGraph orchestration, vLLM-served open models and pgvector retrieval.
• Supports OCI Generative AI with Autonomous Database and OCI IAM for sovereign-region deployments and regulated UK/EU workloads.

Services

• Generative AI & Copilots
• Serverless Cloud Engineering
• MLOps & Model Fine-tuning
• Security & Zero Trust

Contact Information

Website: datacadsolutions.com

Email: info@datacadsolutions.co.uk

Phone: +44 7350 537 838

Address: London, United Kingdom

6. Meridian Labs

Meridian Labs is a London-based software engineering consultancy that combines full-stack development with cloud architecture and systems modernisation across frontend to infrastructure. The firm focuses on delivering end-to-end systems—from UI and APIs through to infrastructure—while embedding technical leadership into delivery teams.

They are a natural fit for serverless development because they design serverless, containerised, and hybrid architectures tailored for scale, security, and cost efficiency. Meridian Labs couples data and spatial intelligence capabilities with delivery experience to modernise monoliths and launch production-grade, cloud-native platforms.

Key Highlights

• Nearly two decades of experience across energy, finance, insurance, and spatial data.
• Site lists AWS-certified infrastructure design and migration as a core capability.
• Delivered a fully serverless FX trade blotter on AWS using Cognito, AppSync, Lambda, and DynamoDB.
• Built a national-scale renewable energy potential mapping tool that analysed millions of hourly weather records for UK coverage.

Services

• GraphQL & REST API design
• DynamoDB & NoSQL modelling
• Geospatial data pipelines
• Real-time analytics platforms

Contact Information

Website: meridianlabs.co.uk

Address: London, United Kingdom

7. Smart Bee (SmartBee)

SmartBee is a UK software development consultancy that engineers custom applications, full‑stack products and production‑grade integrations with disciplined, documented delivery. The firm emphasizes iterative development and hands over source code, tests, documentation and automated pipelines as part of every engagement.

The team writes front-to-back in and TypeScript and follows production-focused practices that align with serverless and event-driven architectures. That combination of engineering discipline and TypeScript-first development makes SmartBee a fit for serverless projects that require reliable deployments and maintainable codebases.

Key Highlights

• Builds serverless AWS architectures with Lambda, API Gateway, SQS/SNS, S3 and DynamoDB and uses CloudFormation for infrastructure as code.
• Develops Model Context Protocol (MCP) servers to govern AI assistant access to internal APIs, data and tools.
• Creates developer tooling such as VS Code extensions, language servers and debugging integrations to accelerate engineering workflows.
• Implements single-table DynamoDB designs and supports Postgres/Supabase backends for authenticated relational stores.

Services

• Cloud Architecture & AWS
• Full-Stack Product Development
• AI Software Engineering
• Developer Tooling

Contact Information

Website: smartbee.uk

Email: info@smartbee.uk

Address: Smart Bee Software Solutions Ltd, 167-169 Great Portland Street, 5th Floor, London, W1W 5PF, United Kingdom

8. Francioni Limited

Francioni is a London-based cloud and AI consultancy that designs, builds, and runs serverless platforms for enterprises. The company shortens release cycles and reduces cloud cost by using cloud-native, on-demand architectures and automated delivery practices.

They fold AI into developer workflows to automate repetitive tasks and bake continuous integration, automated testing, and peer review into delivery pipelines. One team spans strategy, build, and run to keep architecture decisions aligned with production outcomes.

Key Highlights

• AWS Advanced Consulting Partner with an AWS‑certified team.
• Supplier on Crown Commercial Service frameworks: G-Cloud 14 and DOS7.
• Case study reports 100% automated deployments for Domestic & General, eliminating manual release steps.
• Declared AWS competencies include API Gateway, CloudFormation, RDS, QuickSight, and Well‑Architected Review.

Services

• Cloud Strategy and Migration
• Serverless Architecture
• DevOps and Security
• Big Data and Analytics

Contact Information

Website: francioni.ai

LinkedIn: linkedin.com/company/francioni

9. Made Tech

Made Tech is a UK digital, data and technology consultancy that works with central and local government, health services and other regulated organisations to modernise services and accelerate digital delivery. The firm combines product management, user-centred design and engineering to replace legacy systems and deliver cloud-based products for public-sector use cases.

The company emphasises cloud-native architectures, platform migrations and automation, and publishes practical learning materials to help teams adopt modern delivery practices. Made Tech’s track record of migrating services to modern cloud platforms and building API-driven, maintainable services aligns with serverless development patterns for scalability and rapid iteration.

Key Highlights

• Made Tech is an AWS Advanced Partner and holds AWS Government Competency and AWS Public Sector Partner status.
• The company is a Google Cloud Service Partner in the Partner Advantage programme.
• Made Tech is listed on Crown Commercial Service procurement frameworks, appearing on Lot 2 and Lot 3 for cloud services.
• The organisation holds Cyber Essentials Plus and ISO 9001 and ISO/IEC 27001 certifications.

Services

• Cloud and engineering
• Digital service delivery
• Managed services
• Data and AI

Contact Information

Website: madetech.com

Phone: +44 (0)203 397 7846

Address (London): Made Tech Limited, FORA, 35-41 Folgate Street, London, E1 6BX

Address (Manchester): Colony, One Silk Street, Manchester, M4 6LZ

Address (Bristol): Runway East Temple Meads, 101 Victoria St, Bristol, BS1 6PU

Address (Swansea): Indycube Swansea Central, 11 Wind St, Swansea, SA1 1DP

10. Equal Experts

Equal Experts is a UK-born software consultancy that assembles compact, senior engineering teams to design, build and run bespoke cloud-native digital products. Their delivery model emphasises product-shaped teams working alongside clients to accelerate outcomes and take operational ownership of services.

The firm publishes practical playbooks and case studies that document cloud-native patterns and serverless migrations, illustrating reduced lead times and higher deployment frequency. That blend of senior talent and documented delivery practices makes Equal Experts a strong match for organisations pursuing serverless architectures.

Key Highlights

• 100% network-owned through the Equal Experts Trust.
• A global network of 4,069 members with 90% of practitioners reporting 10+ years of experience.
• Official technology partnerships include AWS Partner Network, Google Cloud Partner and Microsoft Partner.
• Operates across five continents with regional offices and dedicated country contact pages.

Services

• AI
• Data
• Modernisation and platforms
• Software engineering

Contact Information

Website: www.equalexperts.com

Phone: +1 646-741-2425

Email: hello@equalexperts.com

Address: 10 East 40th Street, Suite 3310, New York, NY 10016

LinkedIn: linkedin.com/company/equal-experts/

Conclusion

Choose a provider by matching their platform focus, sector experience and engagement model to your project goals. Prioritise AWS‑native specialist partners if you need tight integration with AWS services, prefer consultancies with regulated‑sector track records for public‑facing or compliance‑sensitive work, and pick multi‑cloud AI engineering firms when generative AI or cross‑cloud deployments are required.
SoftPro is the featured partner on this list and represents an option for organisations prioritising remote delivery and longer‑term support. Shortlist firms that align with your preferred team model, run a small proof‑of‑concept to validate delivery approach, and check references for operating and governance practices before committing.