About us

A small company, on purpose.

Kernow Software is a software company in St Issey, north Cornwall. We build apps, web systems and websites for other businesses, and five products of our own, and we look after all of it ourselves.

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Graham Murt, founder of Kernow Software, in his firefighter's helmet and kit on a burnt-out field
Graham, on a wildfire callout in Cornwall.
Our story

From e-Res to NomNom, and a fire station to iOnCall.

I’ve been writing software for more than 25 years. For nearly two decades of that it was e-Res, a Windows reservation system for restaurants. When Windows stopped being the right home for it, we started again rather than patching it, and NomNom is the result: a booking system for phones, tablets and the browser, finalist in the RTIH Innovation Awards 2026.

I’ve also been a retained firefighter for twenty years, which is where iOnCall comes from. It tells a station who’s available, who’s responding and who’s due for training, and I use it on every callout.

Costworks, DayBoat and SiteNotes came the same way: from people with a real job to do and software that wasn’t helping. That’s how we like to build, close to the people using it and for the long run.

Graham Murt Founder

25+years building software
20years a retained firefighter
5products of our own
0hand-offs: the person you talk to builds it
How we work

What you can expect from us.

No hand-offs

The person you talk to is the person building it. Nothing gets lost between a salesperson, a designer and a developer.

Close to the people using it

We build with the kitchen, the crew room or the site office in mind, and we change things when the people using them tell us something isn’t working.

In it for the long run

e-Res ran for nearly two decades. We host, update and support what we build, for as long as you need it.

We don’t build software and walk away. We run it, support it, and keep making it better, for years.

Let’s talk about what you need.

An app, a system, a website, or a question about one of our products. Graham replies to every message.

Get in touch See our work