Serverless architecture has moved well beyond being an emerging trend. For many organizations, it's become a practical way to build scalable applications, reduce infrastructure overhead, and accelerate development cycles. From cloud-native startups to established enterprises modernizing legacy systems, businesses across the UK are increasingly turning to serverless technologies to improve flexibility and operational efficiency.

This list highlights serverless development companies in the UK with experience in designing, building, and maintaining serverless solutions across different industries, technology stacks, and project requirements. Whether you're planning a new product launch, migrating existing workloads, or optimizing cloud costs, these companies offer a range of expertise worth considering.

1. Oski Solutions

At Oski Solutions, we work on software products that rely on modern cloud architectures, including serverless environments designed for scalability, automation, and operational efficiency. Our teams build and maintain web, mobile, and enterprise applications using cloud-native technologies, with a focus on creating systems that can adapt to changing business and technical requirements. Serverless development is often part of our broader approach to product engineering, helping reduce infrastructure complexity while supporting reliable application performance.

We work with companies across different industries, including organizations operating in the UK market, where cloud-native and serverless technologies continue to play an important role in digital transformation projects. Our experience covers the full development lifecycle, from architecture planning and backend services to deployment automation, monitoring, and long-term maintenance. We also integrate AI capabilities, data processing workflows, and cloud services when they align with specific business and operational needs.

Key Highlights:

• Experience with serverless and cloud-native application development

• Work with AWS, Azure, and hybrid cloud environments

• Development of scalable backend services and APIs

• Implementation of DevOps and CI/CD practices

• Experience integrating AI and data-driven features

• Support for web, mobile, and desktop applications

• Focus on observability, performance, and system reliability

• Experience across logistics, fintech, insurance, education, and e-commerce sectors

Services:

• Serverless development

• AWS and Azure cloud development

• Cloud architecture design

• Backend and API development

• DevOps and CI/CD implementation

• Monitoring and performance optimization

• AI and data solutions integration

• Application maintenance and cloud operations support

Contact Information:

• Website: oski.site

• E-mail: [email protected]

• LinkedIn: www.linkedin.com/company/oski-solutions

• Address: Kaupmehe tn 7, 10114 Tallinn, Estonia

• Phone: +48571282759

2. Eternal Technolabs

Eternal Technolabs focuses heavily on AWS-based serverless development, helping organizations build and operate cloud-native applications without the overhead of traditional infrastructure management. Their work centers around AWS services such as Lambda, DynamoDB, API Gateway, and event-driven architectures, with an emphasis on application scalability, operational efficiency, and cloud modernization. Serverless development is also part of their broader cloud consulting and migration practice, particularly for businesses moving away from monolithic systems.

Their teams work with companies across multiple industries and support projects involving workload migration, serverless application development, infrastructure optimization, and cloud operations. The company also integrates DevOps practices and managed cloud services into serverless environments to support long-term maintenance and operational stability.

Key Highlights:

• Focus on AWS serverless technologies

• Experience with event-driven architectures

• Cloud migration and modernization projects

• AWS Lambda and API Gateway implementation

• Infrastructure optimization and automation

• DevOps and managed cloud support

• Experience across multiple business sectors

Services:

• Serverless application development

• AWS Lambda development

• API Gateway implementation

• Cloud migration services

• AWS infrastructure management

• DevOps and CI/CD implementation

• Cloud consulting

• Application modernization

Contact Information:

• Website: eternaltechnolabs.co.uk

• Email: [email protected]

• Address: 138 Newminster Road, Newcastle Upon Tyne, NE4 9LN

• Phone: +44 74662 65317

3. Techno Exponent

Techno Exponent develops cloud-native applications using AWS serverless architecture and related cloud services. Their approach to serverless development focuses on reducing infrastructure management requirements while supporting scalable applications, microservices, and event-driven workflows. They work with businesses building both new applications and cloud-based platforms that require flexible scaling and distributed backend services.

Beyond serverless development, they combine cloud engineering with web, mobile, and enterprise software development. Their teams work across a broad range of industries and use serverless technologies alongside modern frontend frameworks, APIs, and cloud infrastructure services to support business applications with varying workloads and usage patterns.

Key Highlights:

• AWS serverless application development

• Event-driven and microservices architectures

• Cloud-native application design

• Experience with scalable backend systems

• Integration of web and mobile platforms

• Support for enterprise and startup projects

Services:

• Serverless architecture development

• AWS cloud development

• Microservices implementation

• Backend application development

• Cloud migration

• API development

• Mobile application development

• DevOps support

Contact Information:

• Website: www.technoexponent.com

• Email: [email protected]

• LinkedIn: www.linkedin.com/company/techno-exponent

• Instagram: www.instagram.com/technoexponent

• Address: 1801, Imagine Techpark, DP Block, Sector V, Kolkata, West Bengal 700091

• Phone: (+44) 7893 942215

4. SoftPro

SoftPro develops custom software solutions with a strong focus on Microsoft technologies, cloud platforms, and scalable business applications. Their cloud development services include building cloud-native solutions using Microsoft Azure and AWS, which naturally aligns with serverless application development, backend automation, and modern infrastructure management approaches. They work on projects that require flexibility, scalability, and integration with existing business systems.

The company supports organizations across different markets, including businesses operating in the UK, where cloud adoption and serverless technologies continue to be part of many digital transformation initiatives. Alongside cloud engineering, they combine expertise in web development, AI solutions, and enterprise software development to build applications designed for long-term operational use.

Key Highlights:

• Experience with Microsoft Azure and AWS

• Development of cloud-native applications

• Focus on custom enterprise software

• Expertise in .NET and Microsoft technologies

• AI and data-driven solutions

• Web application and cloud integration projects

• Support for business process modernization

Services:

• Serverless application development

• Cloud-native software development

• Azure cloud development

• AWS cloud solutions

• Custom software development

• Web application development

• AI integration services

• Cloud migration and infrastructure management

Contact Information:

• Website: soft-pro.pl

• Address: Erazma Ciołka 13, 01-445 Warszawa, Poland

5. TatvaSoft

TatvaSoft develops cloud-based and serverless applications using technologies such as Node.js, AWS, and modern microservices architectures. Their experience with serverless development is closely connected to backend engineering, API development, and real-time applications that require scalable infrastructure and efficient resource management. They also work with cloud-native deployment models across different cloud environments.

Their teams support projects involving application modernization, migration, cloud integration, and distributed systems development. Serverless technologies are used alongside DevOps practices, container platforms, and frontend frameworks to create applications that can handle changing workloads while maintaining operational flexibility.

Key Highlights:

• Experience with serverless Node.js development

• AWS cloud and microservices expertise

• API and backend engineering capabilities

• Cloud migration and integration projects

• Real-time and data-intensive applications

• DevOps and cloud deployment practices

• Multi-industry project experience

Services:

• Serverless microservices development

• Node.js application development

• API development and integration

• Cloud migration services

• AWS cloud development

• Backend engineering

• DevOps implementation

• Application maintenance and support

Contact Information:

• Website: www.tatvasoft.co.uk

• Email: [email protected]

• Facebook: www.facebook.com/TatvaSoft

• Twitter: x.com/tatvasoft

• LinkedIn: www.linkedin.com/company/tatvasoft

• Address: 307, Euston Road, London NW1 3AD, United Kingdom

• Phone: +44 742 409 8452

6. The Line Tech Solutions

The Line Tech Solutions specializes in AWS serverless development and focuses on designing event-driven, cloud-native applications for organizations operating in the UK market. Their work includes building applications with AWS Lambda, API Gateway, DynamoDB, EventBridge, and Step Functions, with attention to scalability, operational efficiency, and infrastructure automation. Serverless development forms a core part of their cloud engineering practice rather than an additional service offering.

The company works on projects involving new application development, cloud migration, and optimization of existing serverless environments. Their teams also implement infrastructure as code, deployment automation, and cloud governance practices, supporting organizations across sectors such as finance, healthcare, retail, and SaaS.

Key Highlights:

• Specialized focus on AWS serverless technologies

• Experience with event-driven architectures

• Infrastructure as code implementation

• Cloud migration and modernization projects

• AWS-native development practices

• Security and compliance considerations

• Industry experience across regulated sectors

Services:

• Serverless application development

• AWS Lambda implementation

• Event-driven architecture design

• API development

• Cloud migration

• Infrastructure as code

• CI/CD pipeline implementation

• Serverless workload optimization

Contact Information:

• Website: thelinetech.uk

• Email: [email protected]

• LinkedIn: www.linkedin.com/company/the-line-tech

• Address: 305, 306, 307 Madhusudan Business Park, Naroda, Ahmedabad - 382330

• Phone: +44 7448 752694

7. net-devs

net-devs develops enterprise software using cloud-native architectures and modern engineering practices. Their work in cloud and platform engineering includes building infrastructure on AWS, Azure, and Google Cloud, where serverless technologies can be integrated as part of broader application and platform architectures. They combine senior-led software engineering with AI-assisted development workflows while maintaining a focus on architecture design and operational reliability.

The company works with organizations that require scalable systems, distributed applications, and modern cloud infrastructure. Their approach combines software engineering, platform development, infrastructure automation, and cloud services, which makes serverless architecture a practical component of larger enterprise solutions rather than a standalone technology choice.

Key Highlights:

• Cloud-native application development

• Experience with AWS, Azure, and Google Cloud

• Enterprise software engineering focus

• Platform and infrastructure development

• AI-assisted software delivery processes

• Senior-led technical teams

Services:

• Serverless application development

• Cloud architecture design

• Platform engineering

• Infrastructure as code

• Enterprise software development

• API and backend development

• DevOps implementation

• Cloud migration services

Contact Information:

• Website: net-devs.com

• Email: [email protected]

• LinkedIn: www.linkedin.com/company/net-devs

• Address: Obrzeżna 1D, 02-691 Warszawa, Poland

• Phone: +48 571 282 759

8. Uisort

Uisort develops serverless applications using cloud platforms such as AWS and Microsoft Azure, focusing on scalable backend systems, cloud-native applications, and distributed architectures. Their serverless development practice includes API integration, cloud migration, backend automation, and application deployment strategies designed to reduce infrastructure management requirements. They work with both web and mobile applications that benefit from flexible scaling models.

In addition to serverless development, the company provides software engineering services across areas such as digital transformation, DevOps, AI, and custom application development. Their projects often combine cloud services with modern application frameworks to support business systems that require scalability, reliability, and ongoing operational support.

Key Highlights:

• AWS and Azure serverless development

• Cloud-native application architecture

• Experience with web and mobile platforms

• Serverless migration and integration

• DevOps and cloud deployment practices

• Digital transformation projects

• Global project delivery experience

Services:

• Serverless application development

• AWS Lambda implementation

• Azure serverless solutions

• Cloud migration services

• API development and integration

• DevOps consulting

• Mobile application development

• Custom software engineering

Contact Information:

• Website: www.uisort.com

• Email: [email protected]

• Facebook: www.facebook.com/uisorttech

• Twitter: x.com/UisortT

• LinkedIn: www.linkedin.com/company/uisort-technologies-pvt-ltd

• Instagram: www.instagram.com/uisorttech

• Address: 125 - C, Palakarai Main Road, Trichy - 620001, Tamil Nadu, India

• Phone: +91 875-461-6455

9. A-listware

A-listware works with companies that need custom software teams, cloud solutions, and enterprise application development. Their experience in cloud application development, infrastructure services, and DevOps allows them to support projects that use serverless architectures as part of broader cloud-native environments. They work with technologies including AWS, Azure, Node.js, Python, and .NET, which are commonly used for serverless applications and event-driven systems.

Their approach combines software engineering, cloud operations, and team augmentation, making serverless development one component of larger digital transformation and modernization initiatives. The company supports organizations across industries such as finance, healthcare, logistics, and retail, where scalable cloud infrastructure and flexible backend systems are often important requirements.

Key Highlights:

• Experience with cloud-native application development

• Expertise in AWS and Azure environments

• Support for DevOps and infrastructure automation

• Enterprise software development capabilities

• Team augmentation and dedicated engineering teams

• Experience across multiple industries

• Focus on scalable backend architectures

Services:

• Serverless application development

• Cloud application development

• Infrastructure services

• DevOps implementation

• Enterprise software development

• Legacy application modernization

• IT consulting

• Dedicated development teams

Contact Information:

• Website: a-listware.com

• Email: [email protected]

• Facebook: www.facebook.com/alistware

• LinkedIn: www.linkedin.com/company/a-listware

• Address: St. Leonards-On-Sea, TN37 7TA, UK

• Phone: +44 (0)142 439 01 40

10. 21CENTURY.TECH

21CENTURY.TECH builds software using an AI-assisted engineering approach, where senior developers oversee architecture, quality assurance, and delivery while using AI tools to accelerate development workflows. Their work spans cloud-native applications, modern backend systems, and scalable software products, where serverless technologies can fit naturally into rapid development and deployment processes.

The company focuses on software delivery efficiency while maintaining human oversight over technical decisions and implementation quality. Their approach to modern software engineering includes automation, CI/CD practices, and cloud deployment strategies that support the development of serverless applications, APIs, and distributed systems. They also work with companies operating in international markets, including organizations in the UK technology ecosystem.

Key Highlights:

• AI-assisted software development workflows

• Senior-led engineering teams

• Cloud-native application development

• Human-reviewed software delivery process

• Modern DevOps practices

• Experience with rapid product development

Services:

• Serverless application development

• Cloud-native software engineering

• API development

• CI/CD implementation

• Application modernization

• Software architecture design

• AI-assisted development

• Product engineering

Contact Information:

• Website: 21century.tech

• Email: [email protected]

11. Innowise

Innowise provides AWS development and cloud management services for organizations building and operating cloud-based applications. Their expertise covers cloud migration, infrastructure management, application modernization, and cloud-native software development. Serverless technologies form part of their broader AWS capabilities, allowing businesses to deploy scalable applications without managing traditional server infrastructure.

Their teams work with a wide range of AWS services, including serverless computing platforms, DevOps automation tools, data services, and cloud security solutions. They also support projects involving machine learning, analytics, SaaS platforms, and IoT systems, where serverless architectures often help simplify operations and support dynamic workloads.

Key Highlights:

• Extensive AWS development expertise

• Cloud migration and modernization services

• Experience with serverless computing platforms

• AWS-certified engineering teams

• DevOps and automation capabilities

• Cloud security and compliance support

• Experience with SaaS and IoT solutions

Services:

• Serverless application development

• AWS cloud consulting

• Cloud migration services

• DevOps automation

• Cloud infrastructure management

• Application integration

• Cloud security implementation

• Data analytics and machine learning solutions

Contact Information:

• Website: innowise.com

• Email: [email protected]

• Twitter: x.com/innowisegroup

• LinkedIn: www.linkedin.com/company/innowise-group

• Address: 55 Loudoun Road St. John's Wood, NW8 0DL

• Phone: +44 748 8817 958

12. Reply

Reply explores serverless computing primarily through Microsoft Azure technologies, particularly Azure Functions and event-driven application architectures. Their work demonstrates a practical approach to serverless development, focusing on scenarios where function-based computing can improve scalability, simplify deployment, and reduce infrastructure management requirements. They also examine how serverless models fit within broader cloud and microservices architectures.

Their expertise extends to cloud application design, event processing, asynchronous systems, and platform modernization. The company highlights the importance of choosing serverless architectures based on specific application requirements, especially for workloads involving scheduled tasks, event processing, messaging systems, and scalable business applications.

Key Highlights:

• Experience with Microsoft Azure ecosystem

• Focus on Azure Functions and FaaS architectures

• Event-driven application development

• Microservices and cloud-native architectures

• Expertise in asynchronous processing

• Cloud platform modernization

Services:

• Serverless application development

• Azure Functions implementation

• Event-driven architecture design

• Cloud application development

• Microservices development

• Application migration

• Cloud consulting

• Platform modernization

Contact Information:

• Website: www.reply.com

• Facebook: www.facebook.com/ReplyinUK

• Twitter: x.com/Reply_UK

• LinkedIn: www.linkedin.com/company/reply

• Address: 160 Victoria St 2nd floor Nova South, Westminster London SW1E 5LB, UK

• Phone: +44 (0) 207 730 6000

13. Leobit

Leobit develops cloud-ready applications using technologies such as Node.js, React, AWS, Azure, and modern microservices architectures. Their experience with Node.js naturally extends to serverless applications, real-time systems, APIs, and distributed backend services that require scalability and efficient resource utilization. They work with cloud platforms and deployment models that support both traditional and serverless architectures.

Their teams develop software across industries including real estate, logistics, and digital products, often combining microservices, cloud infrastructure, and event-driven communication patterns. Serverless technologies are typically used alongside DevOps practices, containerization, and cloud services to support scalable applications with changing workloads and operational requirements.

Key Highlights:

• Experience with Node.js serverless applications

• Cloud-native software development

• Microservices architecture expertise

• AWS, Azure, and GCP experience

• Real-time application development

• Modern DevOps and deployment practices

• Experience with scalable backend systems

Services:

• Serverless application development

• Node.js development

• Microservices implementation

• Cloud application development

• API development

• Cloud migration services

• DevOps and CI/CD implementation

• Application support and maintenance

Contact Information:

• Website: leobit.com

• Email: [email protected]

• Facebook: www.facebook.com/LeobitLLC

• LinkedIn: www.linkedin.com/company/leobit

• Instagram: www.instagram.com/leobitllc

• Address: 104 Westbourne Terrace, W2, London - United Kingdom

• Phone: +1512-399-5386

Conclusion

As serverless adoption continues to grow across the UK, businesses have more options than ever when choosing a development partner. Some companies focus specifically on AWS serverless ecosystems, while others approach serverless as part of larger cloud transformation, platform engineering, or product development initiatives. The right choice often depends less on company size or market presence and more on technical fit, industry experience, and the complexity of the project itself.

Whether the goal is to build a new cloud-native application, modernize existing infrastructure, or reduce operational overhead, serverless technologies can provide a flexible foundation for future growth. The companies featured in this list represent different approaches to serverless development, giving businesses a range of options to explore based on their technical requirements, timelines, and long-term objectives.