Connect with the most prominent and best-performing web development companies in the United Kingdom. View their awards, case studies, past projects, list of clients, reviews, rates and more to find the ideal team to create your next website.
Best United Kingdom Website Development Agency Rankings
9 Companies-Rankings updated: September 03, 2026
Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.
Solving complex problems with design and technology since 2005.
As a website development agency, Infinum makes it easy to turn your boldest ideas into digital products that streamline processes and grow your customer base. Superior solutions are born from our profound experience in design and technology, helping you reimagine and elevate your business...
Top Services:
Web Development
Web Design
Mobile App Development
UI/UX Design
Software Development
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Location
London, United Kingdom
Number of Employees
250 - 499
Minimal Budget
$50,000 & Up
Portfolios Count
24 Projects Listed
Infinum Services
Web Development
Web Design
Mobile App Development
UI/UX Design
Software Development
Cloud Consulting
DevOps Consulting
Cybersecurity
Staff Augmentation
IoT
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Porsche
Nike
CITI
Royal Caribbean
Philips
Bayer
T-Mobile
P&G
Universal
Virgin Mobile
Data sourced from the agency's DesignRush profile
Infinum Reviews & Testimonials
Matic Debelak
Management Board Member at Modra zavarovalnica, d.d.
5.0★
Mobile App Development Review from Matic Debelak
Workstream 1: research and product strategy
Workstream 2: ETP release Technology : Vendor use Flutter framework, which allows one programming language and one codebase to create two different apps (for iOS and Android). Clearly defined roles and responsibilities, communication is clearly and respectfully, very effective project methodology, trying to understand every time how their activities fits into mission of Modra zavarovalnica, respect each member of team, etc.
Claus-Peter Mueller
Managing Director at NLB Lease&GO doo
5.0★
Software Development Review from Claus-Peter Mueller
We have engaged Infinum to develop an app that would digitalise our leasing process. From creating the initial offer through the necessary financing application and client identification to the final signature – all the steps required to successfully lease a vehicle or other object can be performed in-app, freeing the users of friction and having to deal with tedious paperwork.
The app itself in the background has 30+ integrations, while keeping a seamless and quick to follow process on the front for our users. That application is in production and Infinum is responsible for maintaining it and further improving. After the initial development, we have additionally expanded our scope from vehicles to other equipment. They have also developed a Leasing widget, product which enables quick financing model while purchasing a vehicle online on car seller marketplace pages.
At this moment, we are still in partnership with Infinum, and their engagement is mainly focused on localising the app to other countries and supporting us in our further business expansion. The work performed was done in Ruby on Rails and React technology, with support of other services.
Anonymous
VP of Marketing at SaaS Company
5.0★
Web Design Review from Anonymous
Thanks to Infinum's website refresh, the client has seen an almost 100% improvement in their website's conversion rates. The team excels at project management, using the client's own proprietary tool and also Figma very well. Their proficiency in design, delivery, and client relations stands out.
Reviews verified by DesignRush and sourced from the agency's profile
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FinTech Unleashed: React Native Excellence by Andersen
Choose Andersen for top-tier React Native development in the FinTech industry. Trust our 190+ experts to ensure 100% compliance with industry standards...
Top Services:
Software Development
Web Development
UI/UX Design
Mobile App Development
Product Design
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Location
London, United Kingdom
Number of Employees
1000 & Up
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
18 Projects Listed
Andersen Services
Software Development
Web Development
UI/UX Design
Mobile App Development
Product Design
AI Development
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
GlobePayroll
Samsung
Marvel
Media Markt
IHS Markit
Data sourced from the agency's DesignRush profile
Andersen Reviews & Testimonials
Kristian Karimo
CEO at OurCnC
5.0★
HTML5 Review from Kristian Karimo
Andersen offers skilled project managers who adhere to the approved development plan, ensuring the implementation of all functionalities on time. It generates clear reports, exhibits excellent communication, and is English fluent. The client communicates with Andersen via Skype and Slack and uses Jira as a tracking system. Andersen organizes the processes well and performs correctly. Its team is always punctual and dedicated to the project. Andersen helped in improving the client's product.
Markus Bohl
Founder & Advisory Board Member at Laya Technologies
5.0★
Software Development Review from Markus Bohl
Andersen has a confident project manager who came through professionally and neatly structured the process. Anderson provided the client with individual resources that are a part of a larger, mostly remote team. With these resources, the client builds the initial product and brings it to a sales-ready stage so that it can be used with clients. Andersen helped with UI/UX design, software development, and Python backend development services (Verified via email)
Adalin Cheng
Enterprise Solutions Architect at Neo-Bank
5.0★
Software Development Review from Adalin Cheng
One of the most impressive things about Andersen Lab is that the entire team [is fully dedicated] to [the] work they are doing. In the Agile process, where decisions are changed rapidly [...], [the] Andersen Lab team used to react patiently to every single change. Although the teams task is mostly implementation of our requirements, they often [go] the extra mile and [are involved] in the ideation process as well. (Verified via email)
Reviews verified by DesignRush and sourced from the agency's profile
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We are an eCommerce design and development agency dedicated to helping retailers enhance their online conversion rates...
Top Services:
eCommerce Development
Digital Strategy
Web Development
CRO
Digital Marketing
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Location
Bournemouth, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$50,000 & Up
Portfolios Count
8 Projects Listed
Real Agency® Services
eCommerce Development
Digital Strategy
Web Development
CRO
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
CDKeys
The Game Collection
Decorating Centre Online
Humax
Montezuma's
Mr Lee's Noodles
Anatomy Stuff
Cubo Eyewear
Hydrate Bottles
Lakeland Country
Data sourced from the agency's DesignRush profile
Real Agency® Reviews & Testimonials
Charlotte Conn
Owner at MONTEZUMA’S
5.0★
Web Development Review from Charlotte Conn
Working with Amy and Marcus is an absolute pleasure, they are always so friendly and approachable and are an amazing extension to our team. Right from the start of our website build, Media Lounge have gone out of their way to help with any question I might ask (no matter how ridiculous!), and are always excited to take on new projects with us. Amy has gone above and beyond to bring new ideas to the table and help with our annual planning. I'm so grateful for your support!
Cormac Moylan
Owner at CDKeys.com
5.0★
CRO Review from Cormac Moylan
We (a large international e-Commerce site) wished to increase sales and revenue by improving our conversion rate. Because of the nuances of the market we operated in, It was important we partnered with an agency that understood our business and the relationship we have with our customers. Lauren, Grace, Jackson, and the entire team from Media Lounge understood this. Their tactics and optimisations were carefully tailored on improving the connection between our business and customers. Every opportunity recommended by Media Lounge was aligned to our business goals and demonstrated their expertise, knowledge, and abilities. I was impressed with their in-depth research, solutions, attention to detail, and most importantly; the resulting uplift from their efforts. They challenged us when we needed challenging, they addressed assumptions that previously impacted sales performance, and they introduced positive change for both our customers and our business. We couldn't be happier to have partnered with Media Lounge.
Anthony
Owner at Barstools.co.uk
5.0★
Web Design Review from Anthony
If you are looking for a web design company that is happy to go that extra mile, i would highly recommend Media Lounge. If you are like me and words like 'DNS' 'or CHRON' are another language to you, then you have found the right company, they appreciate not every one grasps the in and outs of how everything works in a website, so everything is explained to you easily and clearly. On top of this they build websites that not only look inspiring, but more importantly covert browsers to buyers at an incredibly impressive rate. Our's jumped from a fairly industry average at 2% to 6% - overnight.
Reviews verified by DesignRush and sourced from the agency's profile
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Smartym Pro is a full-cycle development company specialized in mobile application and enterprise web development. Company has strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks. Smartym Pro is located in Eastern Europe and consists primarily of...
Top Services:
Software Development
Mobile App Development
Staff Augmentation
Blockchain
IT Services
Show more
Location
London, United Kingdom
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$50,000 & Up
Portfolios Count
9 Projects Listed
Smartym Pro Services
Software Development
Mobile App Development
Staff Augmentation
Blockchain
IT Services
Web Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Coach-Apps
Heineken
Automagic
Pepsico
Sony (retailers)
Data sourced from the agency's DesignRush profile
Smartym Pro Reviews & Testimonials
Shaun Bennie
Director at in5pire
5.0★
Software Development Review from Shaun Bennie
Co-funding’s collaboration with Smartym Pro began from discovery stage and design services for our online investor automation platform. In these initial stages Smartym demonstrated great skill and aptitude which convinced us to appoint them for the full MVP development part of the project.
Smartym Pro’s team offered their vision to improve the quality of the delivered product. They met all deadlines and were keen to give great advice. It was a pleasure to work with Smartym Pro’s team.
Aleksander Stepanowicz
CFO, co-founder at D-Factor Sp. z o.o.
4.8★
Outsourcing Review from Aleksander Stepanowicz
The Smartym Pro’s team has solid experience in development of web/mobile apps, blockchain platforms and smart contracts. We collaborate with Smartym Pro since June 2018 on 4 projects and are satisfied so far. The team is aware of cutting edge trends in emerging technologies and demonstrate willingness to contribute to the projects in an informal and creative way. And what is very important for us they tend to meet deadlines.
Reviews verified by DesignRush and sourced from the agency's profile
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Globally Recognized Digital and Engineering Solutions Partner.
Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt...
Top Services:
Software Development
Mobile App Development
UI/UX Design
Web Development
Big Data Analytics
Show more
Location
London, United Kingdom
Number of Employees
250 - 499
Average Hourly Rate
$42/hr
Minimal Budget
$50,000 & Up
Portfolios Count
3 Projects Listed
Opinov8 Services
Software Development
Mobile App Development
UI/UX Design
Web Development
Big Data Analytics
Staff Augmentation
Cloud Consulting
DevOps Consulting
IT Services
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Future Platforms produces user-focused technical solutions for corporate clients. Our services include strategy, user experience, design, development and quality assurance. We have a strong focus on mobile, but work across the digital landscape designing and developing web and mobile apps, responsive...
Top Services:
Web Design
UI/UX Design
Software Development
Mobile App Development
eCommerce Development
Show more
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$50,000 & Up
Future Platforms Services
Web Design
UI/UX Design
Software Development
Mobile App Development
eCommerce Development
Web Development
Product Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Domino's Pizza
First Group
Wembley
EE
Premier League
The Telegraph
Alcove
Workspace
Doring Kindersley
Cancer Research UK
Data sourced from the agency's DesignRush profile
Future Platforms Reviews & Testimonials
Balinder
Review from Google
5.0★
Balinder's Review Sourced from Google
Future Platforms are a truly user-focused agency and as a result, create fantastic digital solutions that deliver for the customer and the business.
Reviews verified by DesignRush and sourced from the agency's profile
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AndAgain has an Integrating strategic insights, creative ingenuity, and cutting-edge technology, we specialize in the development of digital products, websites, apps, and campaigns that not only enhance our clients' online presence but also elevate the image of our agency partners...
Top Services:
Creative Services
UI/UX Design
Product Design
Web Design
Web Development
Show more
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$50,000 & Up
AndAgain Services
Creative Services
UI/UX Design
Product Design
Web Design
Web Development
Mobile App Development
eCommerce Development
Branding
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...
Top Services:
AI Development
Software Development
Web Development
Mobile App Development
Blockchain
Show more
Location
London, United Kingdom
Number of Employees
1000 & Up
Average Hourly Rate
$100/hr
Minimal Budget
$50,000 & Up
Persistent Services
AI Development
Software Development
Web Development
Mobile App Development
Blockchain
Cybersecurity
Managed Services
IT Services
Big Data Analytics
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
GB Bank
Qapita
Vermont
Data sourced from the agency's DesignRush profile
Persistent Reviews & Testimonials
Sundeep Patel
Review from Google
5.0★
Sundeep Patel's Review Sourced from Google
Persistent Systems Ltd is a global software company that provides innovative software solutions to clients worldwide. The Bhageerath office is one of the company's offices located in Pune, India. As an employee of Persistent Systems Ltd, I have had the opportunity to work at this office and experience its work culture, facilities, and environment.
Work Culture:
The work culture at Persistent Systems Ltd Bhageerath office is excellent. The company values its employees and provides a supportive environment that encourages creativity, innovation, and collaboration. The office has an open-door policy, and employees are encouraged to share their ideas and opinions freely. The management is approachable and provides ample opportunities for career growth and development.
Facilities:
The Bhageerath office has excellent facilities that cater to the needs of its employees. The office is spacious and well-equipped with state-of-the-art technology and infrastructure. The office has a modern cafeteria that serves a variety of delicious food and beverages. The office also has a gymnasium, a recreation room, and a meditation center, which are available to employees to use during their free time.
Environment:
The environment at Persistent Systems Ltd Bhageerath office is conducive to work. The office is located in a peaceful and quiet area, away from the hustle and bustle of the city. The office is surrounded by lush greenery and has a beautiful view of the nearby hills. The office has an eco-friendly policy and encourages its employees to adopt sustainable practices.
Employee Experience:
As an employee of Persistent Systems Ltd Bhageerath office, my experience has been excellent. The company provides a supportive and inclusive work environment that values its employees. The facilities and amenities provided by the company are top-notch, which makes it a great place to work. The company also provides ample opportunities for career growth and development.
Conclusion:
In conclusion, Persistent Systems Ltd Bhageerath office is a great place to work. The work culture is excellent, and the company values its employees. The facilities and amenities provided by the company are top-notch, which makes it a comfortable and enjoyable place to work. The environment is conducive to work, which makes it an ideal location for an office. Overall, it is a highly recommended place to work.
Harshad N
Review from Google
5.0★
Harshad N's Review Sourced from Google
Well known IT company in Pune. Founded and managed by Dr Deshpande.
Persistent family known for their social service along with the core business in IT sector..
Praveen Soni
Review from Google
5.0★
Praveen Soni's Review Sourced from Google
One of the best IT company in pune. Location and offices are best. Personally I likes the name of buildings.
Reviews verified by DesignRush and sourced from the agency's profile
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What certifications should a United Kingdom website development agency have?
A United Kingdom website development agency should have certifications related to legal compliance and information security to demonstrate professionalism and adherence to best practices.
Key credentials include:
ISO 27001 for information security
ISO 9001 for quality management
Cyber Essentials or Cyber Essentials Plus for UK-specific cybersecurity assurance
It’s also helpful if the team holds platform-specific or developer certifications, such as AWS, Azure, GoogleCloud, Adobe, or recognized frontend/backend development credentials. Membership in professional bodies like BCS (The Chartered Institute for IT) further signals credibility and adherence to industry best practices.
How long does a typical web development project take?
A typical web development project takes 6-12 weeks, depending on the site’s size, features, and design complexity. Simple brochure-style websites may be completed in 3-6 weeks, while more advanced sites with custom functionality or integrations take longer.
Content readiness, feedback speed, and revision cycles also affect the timelines. eCommerce platforms or custom web applications can extend to 3-6 months or more due to testing, optimization, and deployment requirements.
What happens after a website development project finishes?
After a website development project finishes, the agency typically conducts final testing, qualityassurance, and launchsupport to make sure the site works smoothly across all devices and browsers. They also hand over credentials, documentation, and training so your team can manage the site confidently.
Most companies offer ongoingmaintenance, securityupdates, backups, and performancemonitoring to keep the website stable and up to date. You can also choose optional services like content updates, feature enhancements, and SEO support to continue improving your site after launch.
Do web development companies in the United Kingdom offer fixed-price packages?
Yes, many UK web development companies offer fixed-price packages. When you consider a fixed-price package, make sure:
The scope and deliverables are clearly defined upfront
Payment terms, revisions, and any additional costs are transparent
There’s clarity on what happens if the project scope changes or grows
Can web development agencies in the United Kingdom work within tight deadlines?
Yes, many web development agencies in the United Kingdom can work within tight deadlines, especially when dealing with well-defined projects or smaller websites. They often streamline timelines by allocating extra resources, using proven frameworks, and following efficient project management processes.
The ability to meet a fast turnaround depends on project complexity, content readiness, and how quickly you provide feedback. For urgent projects, agencies may offer expedited services at a higher rate to ensure quality isn’t compromised.