Technology that builds lasting things.
One Rectangle Limited is a British technology company. We build, invest in, and operate digital products and platforms across software development, technology consultancy, and brand strategy.
Built to build things that endure.
We operate across three interconnected disciplines. Each reinforces the others. Together, they give us the rare ability to originate, build, and scale technology products from within a single organisation.
Product engineering
We design and build proprietary software products. Our engineering practice covers full-stack web applications, API-first platforms, and AI-integrated systems built for scale from day one.
SIC 62012Technology consultancy
We advise organisations on technology strategy, digital transformation, and systems architecture. Our consultancy work draws on direct operational experience building complex platforms.
SIC 62020Brand strategy and digital advertising
Through Detonate Agency, we help organisations define their brand and reach the right audiences. Our work covers brand strategy, creative direction, and digital advertising across web and paid channels.
SIC 73110Ventures we own and operate.
We build products we believe in, then run them ourselves. Every venture in our portfolio is created, owned, and operated by One Rectangle Limited.
The people who run One Rectangle.
Olu Cole
Chief Executive Officer · FounderAn experienced delivery leader and technology strategist. Background spans government digital services, fintech, and edtech. Brings deep expertise in agile programme delivery, product strategy, and organisational leadership.
LinkedIn profileInterested in working with us?
We are always open to conversations about new ventures, consulting work, and talent.