Scan the leading custom software development companies in the UK that build bespoke solutions and offer specialized software services for various verticals. Compare their portfolios, reviews, expertise, budget, team size and more to find the right team for your next project.
We Vetted The Best United Kingdom Software Development Firms For You
2 Companies-Rankings updated: September 06, 2026
Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.
Softermii (https://www.softermii.com/) is an outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries...
Top Services:
Mobile App Development
Web Development
Software Development
UI/UX Design
Blockchain
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Location
London, United Kingdom
Number of Employees
100 - 249
Average Hourly Rate
$45/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
22 Projects Listed
Softermii Services
Mobile App Development
Web Development
Software Development
UI/UX Design
Blockchain
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dollar Shave Club
Hollar
JibJab
Vidme
HIPAA Video
Onradpad
DogVacay
Cococure
DronBase
Rently
Data sourced from the agency's DesignRush profile
Softermii Reviews & Testimonials
Kwesi Peyna Owner & CEO at Luciid
5.0★
Web Development Review from Kwesi Peyna
Luciid expresses satisfaction with Softermii's comprehensive capabilities and acknowledges that it excels in all departments necessary for successful project completion. Softermii demonstrates a well-planned process to adhere to deadlines and budgets, delivering a robust project management experience. Luciid also commends Softermii's adeptness in incorporating all necessary elements into the project (Verified via email).
Undisclosed CTO at Mediconnect
5.0★
Mobile App Development Review from Undisclosed
Softermii impressed us with its willingness and flexibility to work with our internal processes and employees. Through its knowledge and technical expertise, the Softermii team delivered a final product according to specifications. Softermii followed an agile methodology and showcased tremendous flexibility and dedication in ensuring a seamless customer experience. Its team also listened to the instructions well.
Undisclosed CFO at SmartStart
5.0★
Web Development Review from Undisclosed
Softermii was truly dedicated and committed to the project. We recorded 1,296,000 in-app transactions and connected 3,000 properties to the platform two months after launching the app. Also, we gained around 24,000 subscribers. Softermii was committed to the project with its seamless workflow, support, and professional resources.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
We are Tech Alchemy. We are passionate about start-ups...
Top Services:
Web Design
Web Development
Blockchain
AI Development
Mobile App Development
Show more
Location
London, United Kingdom
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
1 Project Listed
Tech Alchemy Services
Web Design
Web Development
Blockchain
AI Development
Mobile App Development
Business Consulting
Software Development
VR/AR
Product Design
Branding
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Ocean Bottle
EthoVentures
W3 Sports
Mercore Group Ltd
Darabase
Callahan's Mountain Lodge
Bando
My Bricks
Hyper SQ
MovieCoin
Data sourced from the agency's DesignRush profile
Tech Alchemy Reviews & Testimonials
Marcos Sargen Review from Google
5.0★
Marcos Sargen's Review Sourced from Google
Tech Alchemy is building KTO’s centralized exchange and, so far, it’s been quite pleasant with the UI, visuals, and functionality. Can’t wait for the beta test to test what they’ve been working hard on for months!
Flora Castle Review from Google
1.0★
Flora Castle's Review Sourced from Google
Based on the experience I had: poor communication and customer service. Don’t seem keen to take on a challenge and take a long time to respond. I was surprised by this after reading other good reviews for this company.
Martin Smith Review from Google
5.0★
Martin Smith's Review Sourced from Google
Friendly and very knowledgeable team of developers. Very impressed with everything they've produced, can't recommend highly enough!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
What are the core specializations of custom software development companies in the United Kingdom?
The core specializations of custom software development companies in the United Kingdom generally center around web/mobile app development and advanced digital technologies. Their expertise extends to AI-powered products, cloud solutions (especially DevOps), feature enrichment, and cybersecurity.
Overall, they provide end-to-end digital transformation solutions and engineer custom platforms and systems that drive competitive advantage and business growth across industries.
How much do software development services cost in the UK?
The cost for software development services in the UK ranges from £25,000 to £120,000 for small businesses. In contrast, large enterprises undertaking extensive digital transformation or building sophisticated, bespoke systems should anticipate costs starting at £80,000 and potentially exceeding £500,000.
For startups or businesses aiming to validate a concept, the initial cost is considerably lower. A minimum viable product (MVP) or a proof-of-concept generally falls within the £5,000 to £30,000 range. The final price is ultimately determined by the project's complexity, the chosen technology stack, the developers’ experience, and the geographical location of the service provider, which impacts their hourly or daily rates.
How do I choose the right United Kingdom software development firm?
To choose the right United Kingdom software development firm, begin by evaluating its portfolio and case studies to make sure they have experience in your required technology stack and niche. Inquire about its process and team structure, to make sure they follow an iterative methodology and that the core development team will be dedicated and accessible for regular communication.
Finally, prioritize a company with good reviews that reflect a track record of robust post-launch support and good collaboration throughout the project.
Do software development companies provide ongoing support?
Yes, software development companies do provide ongoing support, maintenance, and updates after the product launch. This post-launch service is important for fixing bugs, maintaining security, adapting to changing user needs, and making sure the software remains stable and competitive.
How do custom software development companies in the United Kingdom handle project revisions?
Custom software development companies in the United Kingdom predominantly handle project revisions through the Agile methodology. This involves breaking the project into short, iterative sprints, allowing the client to provide feedback and request necessary revisions at the end of each cycle.
This flow is intended to minimize risk and keep the final product aligned with the envisioned concept, rather than waiting until the end for a major change.