Leaf through the premier custom software development companies in London that customize, maintain and/or build high-quality solutions, mobile applications and more. Filter listings by reviews, pricing, team size to find the ideal team for your project requirements and budget.
Best London Software Development Firm Rankings
6 Companies-Rankings updated: September 12, 2026
All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.
Custom software development services and mobile app development
WTT Solutions is a custom software development agency that helps businesses achieve their goals through cutting-edge technology. We specialize in web development, crafting high-performance platforms, and mobile app development, delivering intuitive applications that enhance business growth...
Top Services:
Software Development
Mobile App Development
AI Development
Staff Augmentation
Web Development
Show more
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
9 Projects Listed
WTT Solutions Services
Software Development
Mobile App Development
AI Development
Staff Augmentation
Web Development
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
IntentifyAI
Amigoes
Forecheck
Infinity-D
PLH - IDEMS
uRecruits
PurplePass
Paidiem
Luklabs
Abu Dhabi Police
Data sourced from the agency's DesignRush profile
WTT Solutions Reviews & Testimonials
Willy Danenberg Program & Project Manager, Head Global Systemic, Smart, Digital, Supply Chain & Financial Change at AltoChange
5.0★
Cloud Consulting Review from Willy Danenberg
I had the pleasure to work with Serhii from WTT Solutions on a complex and a complete Windows desktop application. Serhii communicated very professionally, finished and delivered a high quality work on time. Based on my experience, I highly recommend him as he is a very pleasant and competent person to work with and I hope you will be happy with his services as I and the team involved were.
Bill Rafferty Principal Consultant at Hidden Industries
5.0★
IT Services Review from Bill Rafferty
I first heard about WTT Solutions through a colleague who had a great experience with them, and I’m glad I took their recommendation. The team was professional, transparent, and really knew their stuff when it came to offshore development. Communication was clear, and they were always on top of timelines and costs. Overall, it was a smooth and reliable experience . I’d definitely hire them again.
Bryan Thomas Owner at M.C. Dean, Inc
5.0★
Cloud Consulting Review from Bryan Thomas
WTT Solutions provided UI designs for a construction company. The team provided designs for the mobile and desktop versions of the SaaS platform. The UI design exceeded the expectations of the internal team. WTT Solutions provides high-quality deliverables in a timely manner. The team is understanding and hard-working.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Timspark is a software development company delivering custom technology solutions through skilled, autonomous engineering teams. Our flexible delivery model helps clients solve complex challenges, accelerate development, and build reliable, scalable digital products...
Top Services:
Staff Augmentation
Software Development
Mobile App Development
AI Development
DevOps Consulting
Show more
Location
London, United Kingdom
Number of Employees
50 - 99
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
35 Projects Listed
Timspark Services
Staff Augmentation
Software Development
Mobile App Development
AI Development
DevOps Consulting
CRM Consulting
Software Testing
IT Services
IoT
Big Data Analytics
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Android ID scanner & secure transaction app
Mobile app harnessing Blockchain technology
Mobile app for active travelers
Sales & marketing analytics for a pharma
Electronic market analyses for a European retail
Loyalty card payment app
Unveiling history Augmented reality travel app
Corporate system to a cloud-based solution
Streamlined web-based HRM ecosystem
Data sourced from the agency's DesignRush profile
Timspark Reviews & Testimonials
Evelyn Sinclair COO at Nexus Dynamics Solutions
5.0★
Software Development Review from Evelyn Sinclair
I had an incredibly positive experience with their services and the final product they delivered. It was a successful collaboration as I connected with investors who were impressed and interested in investing in the project. Throughout the process, they consistently provided solid and impressive work, earning them a five-star rating from me. Their work consistently showcased solid and impressive results, demonstrating their expertise and commitment to delivering excellence. There isn't anything specific that I would suggest for improvement. My experience with them was overwhelmingly positive, with no notable drawbacks or areas for enhancement.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Founded in 2008, SoftTeco has evolved from a mobile app agency into a full-cycle software engineering company delivering web and mobile solutions. We apply AI-augmented development to improve speed, quality and cost efficiency, offering strong expertise and reliable partnership...
Top Services:
Mobile App Development
IoT
Software Development
Web Development
Software Testing
Show more
Location
London, United Kingdom
Number of Employees
500 - 999
Average Hourly Rate
$35/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
12 Projects Listed
SoftTeco Services
Mobile App Development
IoT
Software Development
Web Development
Software Testing
UI/UX Design
IT Services
DevOps Consulting
AI Development
Web Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in...
Top Services:
Blockchain
AI Development
Mobile App Development
Software Development
Web Design
Show more
Location
London, United Kingdom
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
7 Projects Listed
NetSet Software Solutions Services
Blockchain
AI Development
Mobile App Development
Software Development
Web Design
Web Development
Staff Augmentation
eCommerce Development
WordPress Website Design
IoT
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Riskcare
BetFolio
EFX Inc.
BotFather
AI Health Assistant
Data sourced from the agency's DesignRush profile
NetSet Software Solutions Reviews & Testimonials
Kowshik Mullapudi IT Analyst at Techdoquest
4.7★
Mobile App Development Review from Kowshik Mullapudi
When we hired NetSet Software Solutions to create our enterprise mobile apps, they promptly produced excellent, user-friendly solutions. Throughout the process, their team demonstrated professionalism, promptness, and attention to our needs.
Rakesh Thakkar Executive Vice President of Fooda at Fooda
4.5★
Blockchain Review from Rakesh Thakkar
Throughout every phase of our product journey, the Blockchain-Based Supply Chain Tracking System provided us with the visibility and control we required. It increased openness, decreased mistakes, and assisted us in guaranteeing the genuineness and caliber of our food and drink products. Our activities are now more dependable and effective thanks to the solution.
Mark Trudeau VP, Sales | Executive Leader | Building High-Performing Teams at FloWater
4.0★
Blockchain Review from Mark Trudeau
Our capacity to track and monitor our food and beverage items from farm to retailer has significantly increased thanks to the Blockchain-Based Supply Chain Tracking System. Our processes are now more dependable and efficient due to the enhanced transparency, decreased errors, and guaranteed product authenticity.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
2Base Technologies is an enterprise software development company specializing in end-to-end IT digital transformation services. With registered offices in the UK, USA, and Australia and R&D centers in Kochi and Palakkad, India, we help businesses worldwide drive efficiency, innovation, and growth...
Top Services:
Software Development
Mobile App Development
IoT
eCommerce Development
AI Development
Show more
Location
London, United Kingdom
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
2Base Technologies Services
Software Development
Mobile App Development
IoT
eCommerce Development
AI Development
Software Testing
Blockchain
IT Services
DevOps Consulting
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Skoolbeep
Blinkvisa
Benya
Data sourced from the agency's DesignRush profile
2Base Technologies Reviews & Testimonials
Lijo Johny Review from Google
5.0★
Lijo Johny's Review Sourced from Google
2Base Technologies offers a results-driven approach, merging technical expertise with business insight and a commitment to quality. They're a highly recommended and dependable tech partner for UK businesses seeking reliable, globally-minded delivery.
Treesa Joseph Review from Google
5.0★
Treesa Joseph's Review Sourced from Google
2Base Technologies has been a reliable partner with a solid understanding of business needs and a practical approach to tech solutions. Their work is not only built for long-term growth but also thoughtfully aligned with what the market demands. The team is professional, responsive, and easy to work with, bringing both technical know-how and global delivery standards. For UK-based start-ups or enterprises looking to build or modernise, 2Base is a team worth trusting.
Vivek Review from Google
5.0★
Vivek's Review Sourced from Google
Working at 2Base Technologies has been a brilliant journey. The team is incredibly talented and supportive, and the atmosphere is always positive.The projects are consistently interesting and keep things fresh, with plenty of opportunities to learn and grow. I really appreciate how much the company values work life balance it truly makes a difference.I’m proud to be part of the team and excited for what we’ll achieve together next.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews