Welcome to 1Zero – we're a digital agency based in Cheltenham, Gloucestershire. We design and develop websites and software for high-growth SMEs, ambitious startups, world-class educational institutions and global enterprises.

Our goal

Built on effective, trusted relationships with our clients, we unite brands and customers through creative design, intuitive user experience and innovative web technology.


Every pixel we design and line of code we write is hand-crafted from scratch. No templates or themes, all of our work is completely bespoke.


It's vital to understand your customers and what makes them tick. Only then we can ensure that everything we do positions you as the most relevant choice in a competitive market.


All good relationships are built on trust. We hope you'll see us as an extension of your team that you can rely on to deliver on time, on budget and on spec.


We're a diverse, friendly bunch of digital planners, web designers and software developers. Between us we've clocked up over 80 years' experience in digital design and development. You'll also be pleased to know that despite our name, we talk in plain English, not in ones and zeros!

1Zero is part of The GillHarrisJames Group

GillHarrisJames provide strategic business consultancy for the specific needs and challenges facing ambitious SMEs.

Their services cover three core competencies across commercial consultancy, delivery and investments, making them one of the UK’s most comprehensive SME focused service organisations.


Visit GillHarrisJames

1Zero: Intelligent digital design & development

1Zero is a web design and web development agency based in Cheltenham, Gloucestershire. We specialise in strategic digital planning, responsive website design, front-end web development (HTML, CSS & JS) and back-end web development (.NET & Umbraco).

© Copyright 2018. Registered Company Number 09841480. Registered Office: Carrick House, Lypiatt Road, Cheltenham, Gloucestershire, GL50 2QJ, United Kingdom.

1Zero is an Umbraco Registered Partner