What we do

We create tech for

We create tech for people with a voice, people who need a voice, the caring, the daring, the disruptors, the rulebreakers.

Rewriting the rules on how the world builds tech, one project at a time.

We work with you to build products that stick, so your end-users benefit.

We work with our clients to co-create digital app and web development projects that people love using, developed with inclusion in mind.

It might seem obvious, but the way to ensure your product is used and creates impact is to get your audience in on the action.

Our work in the wild

Compost London

Helping Voluntary and Community groups grow and thrive

A co-produced bespoke new website and refresh of their brand identity

Compost London


Saving dozens of monthly hours by automating a choir

Taking a deep dive into Superchoir's processes and creating innovative solutions



Using technology to support children’s learning

CAFOD, part of one of the largest aid networks in the world, are reaching out to young people to be the change they want to see in their communities and worldwide.


Ignaz Technology

Digital monitoring technology in the NHS

An easy-to-use digital monitoring app for the treatment and prevention of pressure ulcers, reducing pain and deterioration of patients’ health while at the same time saving valuable NHS resources.


My emoji – Fy emoji

Taking the paper-based evaluation tool digital

A quick and inclusive measure of mood, current experience, and wellbeing changes.

My Emoji

The Midwifery Unit Self Assessment

A new online home for the MUSA framework

The Midwifery Unit Self Assessment (MUSA) project provides a structured framework to guide and support the implementation, scale-up and continuous improvement of midwifery units in the United Kingdom and Europe.

The Midwifery Unit Self Assessment Website Screenshot

The Bike Lock

Social enterprise cafe, The Bike Lock, launches new app.

The Bike Lock is a new social enterprise offering secure bike storage, showers, coffee and workspace in Cardiff city centre.

Minty's Gig Guide

Big Lemon creates Minty’s Gig Guide online

Powering 100,000 more gig-goers for Cardiff indie venues.

Benthyg Cymru

Big Lemon powers Benthyg library of things network.

A co-produced bespoke new website that makes borrowing easier and supports the development of more libraries around the country.

My Discombobulated Brain

Facilitating mental health support when in public spaces.

Helping the 30,000 students of Cardiff access a safe space when experiencing a panic or anxiety attack in public.

Exhibit C

The world’s first carbon data tracking app.

Building the app that helps community organisations to record their carbon savings and reward them

Trust the Experts

Educating school pupils on how expert knowledge can influence crucial decision-making processes.

A bespoke web-based platform that hands you the decisions that impact millions of people


Digital products supporting school-leavers to find their vocation.

Digital products to nudge school leavers towards higher- skilled future-focussed careers.

Town Square

Internal and external booking systems, apps, CTO input and much more

Multiple differing tech platforms to support a fast-growing co-working company.

Agile Kinetic

Developing the next generation of healthtech apps

Creating a health tech app that’s just like a physiotherapist in your pocket.

Person using a mobile phone

Co-Production Collective

A new brand identity and website for the co-production movement

Fueling the international co-production movement with a new identity, accessible website and community area.

Group of people around the table

Amber Energy

Powering the Climate Cause

Empowering university students to change their habits and save energy.

Wind turbine in the breacon forest


Raising the Standards in Social Care

A simple to use web app that allows care workers to spend more time with kids.

Children smiling

Our Approach

We are solutions focused.

And by that, we mean we don't just build a product and leave.

We’re a collaborative group that will bring your project to life through co-design and a sense of fun.

Think of us as partners and your in-house team who are invested in helping you to not only build your project, but to launch it and drive positive impact.

Our Awesome Partners

“Big Lemon have been the perfect partners for us. They understand the challenges of building a tech startup and are always happy to talk through ways to build MVPs and test ideas quickly. We are like one big team working toward the same goal.”

Peter Bishop, Agile Kinetic