We create & support innovative digital products and services

For corporations, nonprofit and startup organisations.

What we do

We’re a multi-disciplinary team of developers, user experience designers and project managers.

Web & Application Development Services

From bespoke software to apps and websites, we create user-friendly digital products and services.

App Support & Maintenance Services

With expertise in Ruby on Rails and JavaScript, we can support, maintain and extend digital products built by us or by others.


We create digital products that bring your ideas to life, delight your users and help you achieve your goals.

What we create:

Software Development
Mobile App Development
Website Development

Supporting services:

User Research
UX Design
Agile Project Management

Core technologies:

Ruby on Rails
PostgreSQL + MySQL
React + Vue.js
React Native

What our clients say about web & application development services

Bit Zesty has smart people who get up to speed very quickly. They have really listened effectively to what we do and brought forward exciting and innovative design proposals for our online service. They have helped me and my team think of things in a different way. An impressive, professional team who are really easy to work with.

Linda Stephens, The Secretary to the Queen's Award for Enterprise


We support, maintain and extend applications built by our team and those built by others.

Technologies we support:

Ruby on Rails

How we do it:

Code audits
Ongoing monitoring
Helpdesk support
Framework upgrades
Performance enhancements
Create new functionality

What our clients say about app support & maintenance services

The best technical experience I ever had. Anyone who I needed to be in touch with or had issues was accessible, quickly responded and really held my hand as a non-technical CEO. I would sum up Bit Zesty really as part of our team - it felt like Bit Zesty was part of the movement we were building and supported our growth and evolution in a really crucial stage.

David Goldberg, CEO of Founders Pledge

Client Stories

We’ve been helping organisations to achieve their goals since 2009. Here are some of our latest and greatest projects.

Watch Founders Pledge's testimonial video

Founders Pledge

Helping entrepreneurs pledge millions to charity

Watch Enterprise Nation's testimonial video

Enterprise Nation

Helping the UK’s most active small business network deliver a great digital experience to their 70,000 users.

Watch SXT's testimonial video


Reducing the spread of STIs, with a patient-friendly digital partner notification tool.
Shortlisted for Interaction Design Awards 2018.

Oxford Medical Simulation (OMS)

Read the full case study

Oxford Medical Simulation (OMS)

Helping healthcare professionals to learn from virtual reality training simulations


Read the full case study


Making HMRC’s import/export tool 3x faster and 10x cheaper to maintain

King’s Awards for Enterprise

Read the full case study

King’s Awards for Enterprise

Streamlining the application process for the UK’s most prestigious business awards


Read the full case study


Staff augmentation to extend the development team for an events e-commerce platform

Microsoft SwiftKey

Read the full case study

Microsoft SwiftKey

Building an API that linked Microsoft SwiftKey with individual social media and email accounts.

Trussell Trust

Read the full case study

Trussell Trust

Helping 1,000,000 people get emergency access to food

View all client stories