We challenge your ideas so users don’t have to!

Chelsea Apps is a mobile and web app development agency with over 70 million app downloads and generating in excess of £250m for our clients.

We’re a team that only work on projects that we believe users will love. It’s not about building any old thing so we can grow our agency, we want to build applications that make a real impact, so we challenge you and your ideas at every stage, so users don’t have to.

Our team represents a blend of youth and experience with strengths in areas such as creativity, development, enterprise-level security and big data innovation.

We’ve worked on some great projects for equally great clients, including the likes of TFL, Ladbrokes, Waitrose, KPMG, Peace One Day and Telefonica among others.


Service listing: 

-UX and UI design

-Design Sprints & Workshops

-Web apps

-Mobile apps

-Android apps

-IOS apps


Get in touch if you have a project you want to discuss!

$150 - $199 / hr
10 - 49
Show all +
London, United Kingdom
other locations
  • 625 W Adams Street
    Chicago, IL 60661
    United States
  • Telephone House, 18 Christchurch Rd
    Bournemouth BH1 3NE
    United Kingdom


Key clients: 

Transport for London, Ladbrokes, Vanquis, Peace one day, Waitrose, Kantar, GLH

Peace One Day - Impact Profile Image

Peace One Day - Impact Profile

Impact Profile provides a central destination for individuals wishing to measure and showcase their own social contribution and impact, therefore inspiring others to do the same – social media for social good.

We want to recognise and empower the millions of people who are creating value and making a positive difference in today's world.

Whether you are recycling, volunteering, learning new skills that help

others, or simply wanting to watch or read some inspiring content on your commute - Impact Profile is going to be your go-to app. 

Key Features:

- Individual users record actions that are underpinned by their own values, personal social contribution and impact.

- The ‘Act Now’ section will display events in the user’s local area that they can be a part of.- An individual’s content and participation can be endorsed by other users.

- Users can earn awards and build their Impact Profile, reflecting their values and commitment to others.

- The ‘Inspire Me’ section will contain high-quality films, articles and other content, to be regularly updated.

Ladbrokes Sports Betting  Image

Ladbrokes Sports Betting

Whether you’re watching the game on the sofa or out and about, you’ll find an unbeatable range of markets on your iPhone or iPad with the Ladbrokes Sport Betting iOS app.

But that’s not all - you’ll also be able to boost your own odds instantly, use Cash Out control, access tips, live streaming and much more.

Keep the fun going after full-time. We’ve got hundreds of great Games and Slots just a tap away! Find them

on the navigation bar at the bottom of our app.

Key features:

• #GetAPrice

– You pick it. We price it. Request your own bet from a range of player and team markets. #GetAPrice on a wide range of markets including Europe’s major football leagues including the FA Premier League and La Liga

• Odds Boost

– Hit the Boost button in your betslip to increase your odds. You’ll instantly see the boosted price and returns.

• In-Play betting page

– We’ve updated the In-Play betting page to make it easier to bet on the action as it happens.

• Best Acca Around

– Want to make the most of your acca? Then you’re in the right place. We have an unbeatable range of acca features to give you every chance of that big acca win!

• Live Streaming

– Enjoy live streams of Horse Racing, Greyhounds, Tennis as well a wide variety of football. Live stats and graphics give all the info you need to make a smart bet. You can track your Live Bets and Cash Out without interrupting your Live Stream too.

Ladbrokes are the title sponsors of the SPFL and Challenge Cup.

The Vanquis Bank App Image

The Vanquis Bank App

The Vanquis Bank App, for better banking on the move.

The Vanquis Bank App makes it even quicker and easier for you to manage your account on the move.

You’ll be able to:

• View your current balance

• Check how much you have available to spend

• See your latest transactions and pending transactions

• Set up and manage direct debits through the app

• Make payments to your account using

a debit card

• See your last 6 months of statement summaries

• Activate your cardIt is simple, easy and quick to register.

To get started all you’ll need is:

• a UK mobile number

• your Vanquis card and your date of birth


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AI-enabled E-Commerce Dev for Retail Company

"They are a relatively small outfit, but make up for it in energy, drive, and vision."

Willing to refer: 
The Project
$200,000 to $999,999
July - Feb. 2019
Project summary: 

Chelsea Apps built the frontend of a mobile-optimized e-commerce website from scratch. (The site incorporates AI functionality.) Their responsibilities included market research and user testing.

The Reviewer
1-10 Employees
London, United Kingdom
Douglas Morton
Founder & CEO, Boxwize Ltd
The Review
Feedback summary: 

The vendor has added exceptional value by delivering a quality product. A driven group, they were invested in meeting stakeholders' goals. Their straightforward task management and consistent communication were highlights. 

The client submitted this review online.


Please describe your company and your position there.

Founder and CEO of a new Digital First Retail company


For what projects/services did your company hire Chelsea Apps ?

To help research, develop and build the entire front end of our mobile-ready website from concept to completion, including full research sprints, market analysis, user testing, and the development, design and building of the front end functionality and machine learning capabilities

What were your goals for this project?

To produce a mobile ready website to re imagine and re engineer the way consumers think about their weekly grocery shop


How did you select this vendor?

Word of mouth after an extensive amount of research coupled with their (and their partner company's) backlog of disruptive and original technology builds. They were also engaged, insightful and very helpful from my very first meeting with them.

Describe the project and the services they provided in detail.

To help with the full design and delivery of a new consumer concept to enable my company to try to disrupt the UK grocery market and change consumers ingrained habits when it came to their weekly shop. Chelsea Apps were heavily involved from day one, helping o conceptualize and and focus in on both the problem and the potential solutions as part of a 3 day research sprint, They were involved in the market research that lead to many of our insights and led the process in designing and building the front end solution including the initial AI capabilities.

What was the team composition?

Aside from our own team, Chelsea Apps had their full end to end team involved at every stage of the process ensuring everyone was aware of exactly what we were trying to achieve, from project leader, designer, researcher and developer. A very cohesive and therefore efficient process.


Can you share any information that demonstrates the impact that this project has had on your business?

The have been at the center of our core asset, helping to turn the concept into a reality.

How was project management arranged and how effective was it?

It was very effective. A lead project manager from each side in constant communication with very clear targets and deliverables at every stage of the process outlined and delivered by Chelsea Apps

What did you find most impressive about this company?

Not just their professionalism, but their full engagement with the project. They believed in what we were trying to achieve, which helped enormously.

Are there any areas for improvement?

They are a relatively small outfit, but make up for it in energy, drive, and vision. Any improvements will come as a function of their deserved growth as a business.

Overall Score
  • 5.0 Scheduling
  • 4.0 Cost
    Value / within estimates
  • 5.0 Quality
    Service & deliverables
  • 5.0 NPS
    Willing to refer