An advisory firm built by founders, for founders.

MJ Tech Start Ups was founded in London with one premise: most early-stage UK tech companies don't fail because of bad ideas. They fail because they run out of runway before they've built the operating discipline to deserve the next round.

We've spent the last decade building, scaling, investing in and exiting UK technology companies. We've sat in the founder seat, the operator seat and the investor seat. That triangulated view is what we bring to every engagement.

Today we work with a deliberately small portfolio of founders across SaaS, fintech, climate tech and applied AI — anywhere we can bring an unfair informational advantage to the table.