About us

The story

behind JECO

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Our Mission

We’re building universal tools to reduce the energy use of software worldwide.

Emily Bailey
Simon Barratt
COMPANY BACKGROUND

Rewriting the Rules of Software Efficiency

We got tired of watching our best dev hours vanish into the black hole of optimisation grunt work. Hours lost to patching bloated code and chasing down performance bugs. You know the drill: death by a thousand Jira tickets.

By the time we hit bug number 1001, we knew it was time to flip the script. Why waste brilliant minds on repetitive fixes when they could be focusing on critical features and more content?

So we set out to find a better way.

We’re building universal tools to reduce the energy use of software worldwide.
Tools that save time, trim costs and cut carbon - freeing up devs to build the applications they love with greater efficiency, leaner outputs and a lighter impact on the planet. 

Smarter, faster, more sustainable and a whole lot less painful.

our people

Meet the team

Emily Bailey

Co-founder and
Chief Executive Officer

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Simon Barratt

Co-founder and
Chief Product Officer

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Nickie Whitfield

Chief Operations Officer

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Matthew Fennell

Developer

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Abbie Armstrong

Operations Manager

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Steve McGreal

Programmer

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Colin Riley

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Amy Burgess

Product Manager

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Join our team

Tired of endless bug hunts? Build tools that make coding faster, cleaner, and a little more fun.

HISTORY

Our Journey

2020

Post COVID, Em and Simon meet in person. Over coffee, Simon shares an idea he’s been carrying for years: Green Leaf. It clicks, and they decide to build it together (though Em makes him change the name).

Jul 2023

Post COVID, Em and Simon meet in person. Over coffee, Simon shares an idea he’s been carrying for years: Green Leaf. It clicks, and they decide to build it together (though Em makes him change the name).

Nov 2023
JECO is founded.

The next six months are spent talking to developers, testing the idea and making sure the solution resonates beyond just their own hunch.

Aug 2024

Early momentum arrives. Innovate UK backs JECO, giving both validation and fuel for the mission ahead.

Sept 2024

The support grows. With backing from Creative UK, JECO begins to assemble its first team.

May 2025

A milestone moment. JECO closes its $1.3M pre-seed round, combining grant funding and investment led by the British Business Bank and the Games Angels. With fresh resources and belief behind us, we’re set to supercharge development and scale our vision.

Oct 2025
Others thought the same too.

  • One of 40 companies backed by Women TechEU 

  • Nominee of “Start-Up of the Year 2025” at Leeds Digital Festival

  • Named one of Prolific North's “Tech Start-Ups: One to Watch 2025” 

Nov 2025

Winner [or Nominee] of Barclay’s “Start-Up of the Year”

2026

Who knows. Watch this space.