Top 100 Mobile App Developers in London

Digiruu worked with a children's book app developer to develop the app itself. Digiruu handled iOS development of the app and currently provides ongoing maintenance for it. Digiruu was also able to find an illustrator for the app, which helped provide illustrations for the book.

"They help single-person operations and small businesses just starting out and don’t charge high prices, which is what I needed. A lot of the bigger companies I did go to were a lot more expensive because their focus was more on medium to large companies." - Founder, Children's Book App Developer

hedgehog lab created a series of successful apps for a large Norwegian energy company. Designed for both iPhone and iPad, the apps were made to inspire creativity and engagement within key audiences. Workmanship aside, the client also recognized their professionalism and proactive approach.

"We really enjoyed working with the hedgehog lab team. Their company is efficient, helpful, friendly, and delivered perfectly on time to a very high standard." – Web Editor, Norwegian Energy Corporation

Fueled designed a bidding-style app for a company that deals with nightlife reservations. They built the app from scratch, taking into consideration what the company wanted, as well as giving advice. The app had a lot of functions, such as a list of venues, submission options, and tools that allowed notifications to be sent from venues.

“They’re incredibly efficient in the work that they do and know what they're doing in design, coding, and executing their ideas. They have a great understanding of what's current and get things done very quickly compared to others.” – Founder, Mobile App

Apadmi developed an app that enables customers of a large digital retailer to make in-store purchases and manage their accounts. From technical development to ongoing support and expertise, the client enjoyed the company's skill and flexibility and continues to trust in their partnership.

“Our collaboration has led to a number of successes with the mobile app — I wouldn't change a thing.” – Channel Manager, Global Financial Service

Waracle developed an intuitive and easy-to-use app to showcase the client’s intellectual capital and real estate information. Faced with a rigid timeline, the firm delivered an innovative and successful product from their deep experience in development.

"Their technical expertise with mobile apps is second to none." – Director, Real Estate Company

Tapptitude developed an app prototype for a food ordering company. They executed the food ordering company’s vision perfectly and were retained to develop the full product. Some app features Tapptitude developed included platform signup, payment systems, and restaurant menu integration.

“The proof that I’ve been happy with Tapptitude is that we’ve continued working long-term, even though I’ve had the option to use in-house developers. I felt that the communication was great and, most importantly, the quality Tapptitude provides is amazing, as is the communication.” – CEO, Food Ordering App

Brightec developed the front and backend of an iOS and Android app for a global housewares company. App users responded favorably, while the client appreciated the team’s savvy branding, responsiveness, and high quality deliverables.

“The app works really well and has a clean look and feel to it. Brightec did a great job.” – Digital Manager, Global Housewares Company

DMI developed a mobile app on Windows for a large hotel group, providing extensive user experience research and design input such as wireframes and mood boards. Their work stands out for mobile, branding, and data management.

“They tend to think about the end product as a more marketable product. They don't just look at achieving the KPIs [key performance indicators] of the product owner here internally, but also looking to provide fantastic feedback in terms of how certain features or functions can be marketed.” – User Experience Lead, Large Hotel Group

Sonin built an app and website for a custom afterlife messages service. They developed the app to be very user friendly, with the ability to upload photos and letters, and to merge audio, video, images, and text. The client was happy with the finished app, and said that it was simple and intuitive. 

“Their technical competency was the most impressive thing. Some of the features we wanted in the app were quite complex.” – Operations Director, Custom Afterlife Messages Service
 

Chelsea Apps built an SDK for a customer feedback corporation. The SDK was to be inserted in customers' own mobile applications for better testing. It needed to be easy-to-understand for development teams to work with easily. Chelsea Apps made an SDK that was compatible for both Android and iOS.

"We're in the early days, but we've had 3 clients sign up to use the SDK and 2 of those clients are releasing updates to there own apps in the next month, so we're excited to see the user feedback, but the developer feedback so far has been great." - CTO, Customer Feedback Co.

iTechArt Group is assisting with the development of a content management software for video advertisements. The team is building the system to accommodate multiple social media platforms like YouTube and Facebook.

“The engagement has been very successful overall thus far. The work we've been able to quickly launch wouldn't have been possible without iTechArt's help. In addition to the quality of their code, they've also integrated extremely well into our team, adapting to our internal processes relatively seamlessly.” – Founder & CTO, Software Consulting Agency

Nodes designed and developed a mobile app for a beer retailer to drive traffic to its customers and communicate to them its various sales and promotions on offer. Nodes' app uses its own design ideas, with a heavy dose of backend development and API integration. The app was downloaded 130,000 times and has become the biggest food and beverage app in Denmark.

"Their work was very good in understanding consumer behavior within mobile applications and developing a framework that could be driven." — Group Marketing Technologist, Beer Retailer

Ampersand & Ampersand worked on mobile app development for a healthcare platform. They developed iOS and Android apps for the healthcare sector, capable of integrating with various APIs. The client was impressed with the positive feedback the project received.

“People like the app so far. Ampersand takes their work very seriously.” – Entrepreneur, Healthcare Platform

TkXel provided web development services for a marketing and advertising agency. They helped migrate a custom architecture that included e-commerce, search, browsing, and advertising functions. The project involved NodeJS, .NET, AngularJS, PHP, Java and Ruby. Efficiency of the company has increased because of the partnership with TkXel. 

“I appreciate the fact that, even though they are an offshore company, in order to stimulate a project in its early stages, TkXel sent their developers and lead partners onsite to work with our team and gain a familiarity with what our needs are." – CTO, Marketing and Advertising Company 

Thoughtbot’s team helped the client develop a custom software solution aimed at enhancing consumer advocacy. With deliverables mostly on the back-end, the client valued the estimable coding skills, rapid completion time, and commitment to quality.

“They provide a consistent level of service that I haven’t seen from agencies or even our in-house team. Their engineering standards, development standards, and the way that they have that consistently through their team is very impressive.” – Head of Product, Consumer Interest Nonprofit

Studio Graphene developed an Android-based application for an IoT startup based in Dubai. The client wanted to build a physical kiosk for customer feedback in the retail sector, and needed digital support due to their smaller staff. Studio Graphene started by building a simple application that included form-based pages and interactive feedback gathering, and expanded into developing a custom CMS and marketing support for the product. The interface won 4 product design awards for the client.

"We’ve won four different product design awards for the interface, graphic design, and animations. They integrate well with all of our teams and consistently produce high-quality materials." — Founder, IoT Startup

Novoda configured a desktop application and built an Android prototype for a system-optimization software company. Their team coded the main functionalities and inserted an in-app purchasing feature. The app gained over 50 million downloads and a 4.4-star rating on the Google Play Store.

"Last December, monthly revenue for CCleaner was about $100,000. I attributed these metrics to the freemium model and Novoda’s collaborative efforts." – Head of Product, System Optimization Company

Glance Creative worked with a military post office by creating a mobile app. This app provided customers with military shipping protocol information ranging from prohibited items to overseas shipping costs based on weight and size. The team offered the best combination of cost, quality, and experience.

"Glance Creative designed an app with a clean, intuitive look that provided a wealth of information to our customers." – Technical Director, British Military Agency

Red C London worked with an event advertising startup to create an iOS application. They provided development services to design and build an iOS-based mobile application.

“Red C displayed great communication and development skills throughout the project. They worked at a competitive price and willingly performed corrections when necessary.” – Founder, Event Advertising Startup

Offering both a strategic perspective and development skill set, Mubaloo developed a native iOS and Android app to facilitate exchanges between investment managers and investors. The project was successfully completed on time and on-budget and convinced the client to retain Mubaloo as a digital consultant.

"Mubaloo was refreshing to have for this initiative; their insight, approach, and knowledge was invaluable." – Solutions Director, Investment Firm

CronJ IT Technologies partnered with an education platform to develop a web application for users to assemble teams, perform tasks, and earn points that are redeemable for gift cards. They provided successful features for the launch of the application.

“The platform has lots of features. User can earn gift cards by solving problems, which makes it more appealing. We appreciated their project management, especially compared to the vendors we had worked with before.” –– Project Manager, Education Platform

Infinum rebuilt a flight booking app for a startup. The original app was extremely buggy and the company needed further support. One feature Infinum developed allowed customers to sync their calendars to find flights that work around their schedule.

“While many agencies limit your choices, it was quite different with Infinum. They were clear and upfront about what resources we were getting and why and offered us options, which was really nice.” – Senior Project Manager, App Startup

Clavax Technologies worked with an aerospace company, providing a variety of services for the client including web development with a complete backend and work on a CMS solution. Overall, the client was pleased with the team's work. 

"The Clavax team is very skilled at what they do. They definitely have the know-how approach and they're able to develop complex projects." — CTO, Aerospace Company

Theodo UK developed the platform for an online marketplace after the previous developer proved unsatisfactory. The team took wire frames and a prototype provided by the client to build a minimum viable product, using AWS, React, Python, and Django for the framework. The client spoke highly of the engagement.

“They’re extremely knowledgeable and work closely with us to make sure we know what’s going on. Their team is phenomenal and have both dev and interpersonal skills.” — Executive, Digital Office Marketplace

Kin + Carta built a native mobile app for a health care nonprofit in advance of open enrollment, upgrading their old platform. They built the app for iOS and Android with a focus on human-centered design,

"They helped us go beyond the average of health care to meet the expectation of digital." - CIO, Nonprofit Health Insurance Provider

Empire Elements designed, developed, and optimized sites for a software company. A company homepage and product site were built to convey the brand image and be maintained internally. The client was pleased with the team's work.

"The two areas they have excelled in are cost and responsiveness. Their project management skills are phenomenal. They’re price was very good, and anytime we need help, even on nights or weekends, they are available." – Managing Director, Software Company 

Sugar Rush Creative redesigned a website for a baby skincare products company. They also produced videos and graphics for the company. The client was pleased with their engaging work.

"The video was creative and broke down the status of our business and what makes us different from other companies. It explained us in a simplistic manner but with a bit of fun as well, to engage people. It was first class." - Director, Baby Skincare Products Company

The Sound Pipe Media partners with a software firm to create various major apps. The team has created a variety of apps with them, including apps for a major soccer club and a global car company. Overall, the client was impressed with the work. 

"They [The Sound Pipe Media] gave great advice regarding enhanced features and user acquisition. They understand the app business and how people consume and choose apps. They treated the project like their own and really put in a lot of effort to make it successful." – Manager, Boutique British Software Firm

An architectural designer hired Vecro Tech to build a WooCommere site in three weeks. It's a customized PHP site that has a webshop and an online course platform. They're currently managing the site's SEO/PPC.

"It was a very smooth process."

Folio3 helped a kitchen and bath company rebuild the connectors between their website and their NetSuite environment. They have added a greater level of Shopify and Amazon-related functionality to the site.

"Their experience with NetSuite, Shopify, and Amazon was exactly what we were looking for."