Top Java Development Companies & Best Java Developers in UK

Developing secure and scalable applications with Java is crucial for business growth. Trusted Java development companies in UK provide solutions to enhance application performance and user experience. Work with leading Java developers to achieve your project goals. Find reliable Java development firms in UK for expert services.
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4.9 out of 5, based on 311 real reviews.
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SelectedFirms reviews agencies and verifies client feedback to support informed decisions. Featured placements may compensate us.

List of Top Java Development Companies in UK | Best Java Developers

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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Mezzex
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Claimed by Official Representatives

11

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

11

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
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Expertise Distribution (%)
  • 10% Software Development

  • 20% Ecommerce Development

  • 20% Web Development

  • 20% Web Design

  • 10% Digital Marketing

  • 10% Mobile App Development

  • 10% IT Services

Professional Web Design, Digital Marketing & IT Solutions in UK

Mezzex is a results-driven digital solutions company helping businesses grow through smart technology and strategic marketing. With a strong presence in the UK and India, Mezzex offers a full range of services including website design and development, e-commerce solutions, SEO, digital marketing, and custom software development. The company focuses on creating user-friendly, scalable, and high-performing digital products tailored to each client’s needs. Backed by a team of skilled professionals, Mezzex combines creativity, data, and innovation to deliver measurable results. Their client-centric approach ensures transparency, quality, and long-term success. Whether you’re a startup or an established business, Mezzex provides reliable and cost-effective solutions to strengthen your online presence and drive business growth in today’s competitive digital world.

View Mezzex Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000 - $5,000

Min. Budget Size
Inside Service Listing

40 - 50

Team size
Inside Service Listing

Nechells, UK

Location
Ultralink IT Solutions LLP
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agency_climbed
Claimed by Official Representatives

11

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

11

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 10% Ecommerce Development

  • 10% Mobile App Development

  • 10% Web Development

  • 10% Web Design

  • 10% Digital Marketing

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

  • 10% CMS

Ultralink IT Solutions Limited – Trusted Digital Solutions for Healthcare & Pharma UK

Ultralink IT Solutions Limited is a UK-based technology partner specialising in secure digital transformation for pharmaceutical and healthcare organisations. We help regulated teams modernise the workflows, portals, and operational systems that sit at the heart of compliant, efficient service delivery. Where traditional IT providers lead with technology, we lead with operational outcomes. Every engagement starts with understanding the specific workflow causing friction - whether that is a manual compliance check, a disconnected ordering process, a slow warehouse system, or a fragmented patient pathway - and then designing a solution that fits the way your team actually works. Our delivery footprint spans the UK, India, and Dubai, and we bring that global capability to bear on highly regulated, compliance-heavy environments where accuracy, security, and audit readiness are non-negotiable.

View Ultralink IT Solutions LLP Profile
Inside Service Listing

Undisclosed/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Wembley, UK

Location

3

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

3

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 25% Software Development

  • 25% Mobile App Development

  • 25% Web Development

  • 25% IT Services

YOU NEED IT, WE SOLVE IT

Infinity Technologies, based in London, is a leading provider of global R&D hub solutions designed to accelerate business growth. We create fully remote, lean teams that reduce overhead costs, eliminate unnecessary office, marketing, and sales expenses, and act as seamless extensions of your organization. Our proprietary fractal model ensures each R&D hub operates as an independent, self-contained ecosystem tailored to your product development, service maintenance, or strategic initiatives. With over 20 patented frameworks for team building, software engineering, and outsourcing strategy, we specialize in helping startups and mid-sized companies expand their global R&D footprint efficiently. Our library of reusable components accelerates prototyping, validates ideas faster, and shortens time-to-market while optimizing costs. Since 2003, Infinity Technologies has established 81 R&D hubs and currently manages 12 active hubs across 21 countries. By combining lean methodologies, scalable practices, and strategic innovation, we empower businesses to innovate, expand, and achieve measurable results in competitive global markets.

View Infinity Technologies Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$100,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

London, UK

Location

3

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

3

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 25% Software Development

  • 25% Web Development

  • 25% Artificial Intelligence

  • 25% Cloud Computing Services

Production-Ready ML Systems & AI Automation

MLDataHouse is an elite data science, artificial intelligence, and intelligent automation firm based in Islamabad. Backed by five years of rigorous industry experience and a dedicated team of over 20 elite software engineers and data scientists, the firm specializes in engineering production-ready machine learning systems and automated enterprise workflows. MLDataHouse focuses heavily on solving complex business problems through custom web automation frameworks, autonomous AI agents, large-scale data extraction protocols, and advanced business intelligence analytics. Their engineered solutions help organizations replace manual operational overhead with high-throughput, accurate automated pipelines. By leveraging cutting-edge natural language processing and computer vision techniques, MLDataHouse delivers deep, actionable insights and cognitive automation. Whether building custom data lakes, orchestrating web scrapers that bypass anti-bot defenses, or constructing sophisticated predictive intelligence models, the company remains dedicated to driving measurable efficiency, data-driven decisions, and sustainable competitive advantages for its global clientele.

View Mldatahouse Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Wolverhampton, UK

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Ecommerce Development

  • 20% Mobile App Development

  • 10% Web Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

Pioneering Agentic AI & Intelligent Automation

Samyotech Software Solutions Pvt. Ltd. stands as a premier global innovator in autonomous AI agents and intelligent business automation systems. With over a decade of verified technological expertise, the company empowers modern businesses across diverse industries to successfully adopt next-generation cognitive infrastructures. Samyotech specializes in building highly tailored autonomous AI agents, advanced Python-based AI/ML architectures, and enterprise process automation platforms. Their world-class team of dedicated AI Engineers and Data Scientists brings deep technical knowledge in machine learning, natural language processing (NLP), conversational intelligence, and complex agentic frameworks. This deep expertise allows Samyotech to architect scalable systems that automate intricate decision-making processes, seamlessly handle customer interactions, and optimize multi-layered operational workflows. By transforming legacy operational systems into reactive, data-intelligent hubs, Samyotech enables modern organizations to drastically minimize overhead, reduce human error, accelerate time-to-market, and achieve unprecedented levels of productivity and scalable business agility.

View Samyotech Software Solutions Pvt. Ltd. Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

London, UK

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 20% Ecommerce Development

  • 20% Web Development

  • 20% Web Design

  • 10% Artificial Intelligence

  • 10% CMS

  • 10% Mobile App Development

Your website never sleeps. It sells, connects, and converts around the clock

Forrentech is a full-service web and mobile app development agency delivering end-to-end digital solutions for businesses across industries including eCommerce, PropTech, HealthTech, FinTech, and SaaS. As a trusted technology partner, we help organizations streamline operations and accelerate growth with scalable, high-performance applications. Our services include custom software development, MVP development, and workflow automation, tailored to meet unique business needs. We also specialize in no-code development using platforms like Bubble, enabling rapid product launches, reduced development costs, and faster time-to-market. With a strong focus on innovation, client satisfaction, and long-term partnerships, Forrentech builds future-ready solutions that support digital transformation. From startups to enterprises, we empower businesses to scale efficiently while we manage their technology with precision and expertise.

View Forrentech Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Birmingham, UK

Location
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