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All ListsJava Development Companies in the United Kingdom (UK)Java Development Companies in London

Top Java Development Companies in London

We've found the best
Java Development Companies
 for you.

Looking for the best Java development company in London? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

UpCity offers objective, independent research and verified user reviews. We earn compensation from some providers who sign up for sponsored profiles. Learn more about our trusted providers.

Location
Any/All Available
Provider's minimum per-project cost
Any/All Available
Up to $10,000
$25,000 or more
Provider's minimum retainer cost
Any/All Available
Up to $500, monthly
$5,000 or more, monthly
Industry Expertise
Any/All Available
Attorneys
Automotive
Business Services
Construction
E-Commerce
Education
Energy
Entertainment
Finance
Fitness
Food/Beverage
Government
Healthcare
Hospitality
Industrial
Non-Profit
Real Estate
Restaurant
Retail
SaaS
Sports
Startups
Travel
Businesses provider works with
Any/All Available
Small Businesses: 1–250 employees
Medium Businesses: 251–999 employees
Enterprise Businesses: 1000+ employees
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12 Provider(s)Last Updated: October 28, 2025
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Zazz

London, ENG, GB + 1 More Location
5.0 | 1 review
Last reviewed on 9/8/2025
Zazz is a trusted software engineering and IT services partner helping enterprises deliver secure, scalable, and high-impact technology initiatives. We Solve complex enterprise challenges - legacy bottlenecks, technical debt, talent shortages, compliance risks, and system fragmentation.
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Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$25,000 or more
Provider's minimum retainer cost
Retainer minimum
$5,000 or more, monthly
Provider updated information on 9/8/2025
Services Offered
Ruby on Rails DevelopmentMachine LearningBlockchain DevelopmentAndroid App DevelopmentiOS App DevelopmentView All Services (32)
VISIT WEBSITE Visit Profile
Ritik Vishwakarma — Manager GTM Strategy
Zazz has been a pivotal IT Managed Services Partner for us, we have been struggling to manage helpdesk tickets and support. They have been able to bring our ticket volumes for 250 per week to 30-40. Critical issues have gone down significantly. Will highly recommend Zazz IT Managed Services
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KUBAS Labs

London, ENG, GB See Location
Over half of our team has worked directly for eCommerce merchants in past lives, so we can work in the trenches with you, helping your business grow through intelligent development solutions that fit your specific business needs, designs tuned to your products and customers
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Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$5,000 or more
Provider's minimum retainer cost
Retainer minimum
Less than $500, monthly
Provider updated information on 5/28/2021
Services Offered
Java DevelopmentEcommerce DevelopmentWebsite DevelopmentWeb Design
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Industry(s):
Startups | Retail | Real Estate | Healthcare | Finance | E-Commerce
We’re a custom software development company with Austin, TX roots and partnerships across the nation. From application development and enterprise architecture to full-on IT modernization, our solutions and services enable you to move faster, work better, and stand out in a shifting market.
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Businesses provider works with
Works with
Small, Medium, Enterprise
Provider updated information on 1/20/2022
Services Offered
Blockchain DevelopmentSoftware DevelopmentWebsite DevelopmentJava DevelopmentEcommerce DevelopmentView All Services (10)
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Industry(s):
Finance | Business Services
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Axonian

London, ENG, GB See Location
Axonian: We are passionate about technology We are technology addicted professionals who build trust by delivering excellent client experiense
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Services Offered
Java Development
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CML Team

London, ENG, GB See Location
CML Team LTD is a global technology consultancy that builds holistic end-to-end solutions and platforms for startups and enterprises
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Services Offered
Java Development
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How to Hire a Java Development Company | UpCity

Partnering with the right Java development company is essential for your business. Our guide discusses how to hire a reputable Java developer that’s ready to hit the ground running.

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Improve business agility and accelerate innovation while driving business growth ? quickly, safely, securely ? with confidence.
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Services Offered
Java Development
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Distributed

London, ENG, GB See Location
The Distributed platform ensures your team can deliver Software and Data projects better and faster by using specialised Elastic Teams?.
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Services Offered
Java Development
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UK based custom software development company. We help companies become digital by developing custom enterprise software with 300+ European based IT professionals.
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Services Offered
Java Development
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MongoDB is a cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schema.
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Services Offered
Java DevelopmentPython Development
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Our software development company serves customers all over the world. Creating solutions for highly developed regions, we gain tremendous experience. Customers from Europe, America and Australia have many interesting ideas for creating and developing their business. This requires us to constantly develop our expertise and harness modern technologies.
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Services Offered
Java Development
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Oracle Java Java is the #1 programming language and development platform. It reduces costs, shortens development timeframes, drives innovation, and improves application services. With millions of developers running more than 51 billion Java Virtual Machines worldwide, Java continues to be the development platform of choice for enterprises and developers.
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Services Offered
Java Development
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Slashdata

London, ENG, GB See Location
The analyst of the developer economy. We talk to developers and help the world?s top developer-facing firms understand their audience & measure their strategies?? ROI.
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Services Offered
Java Development
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