Who we are.
Cullen Holding is a privately held investment company focused on frontier oil & gas and mineral exploration along the Atlantic Margin. Our management team brings broad expertise across exploring, financing, developing and operating global resource projects.
We go where the science leads us, and back disciplined teams that can convert that science into discoveries. Our model is unconstrained by the quarterly cycle — we can hold positions through multi-year exploration timelines, then crystallise value through farm-outs, mergers or listings.
Four principles
for maximum value.
Our approach to creating durable value for partners and shareholders is built on a small number of disciplined commitments — applied consistently across every basin we enter.
Secure premier acreage
Position early in emerging exploration plays where activity is accelerating and the geological case is exceptional.
Assemble proven teams
Back operators and geoscientists with demonstrated track records of finding and developing oil & gas resources.
De-risk with technology
Add value and reduce exploration risk by deploying cutting-edge seismic acquisition, processing and interpretation.
Partner with the best
Stand alongside world-class supermajors and specialist independents who share our long-term conviction.

Led by science.
We thrive on unlocking the mysteries of finding and developing world-class hydrocarbon resources. Science sits at the centre of every exploration decision we make.
We give expert geoscientists the best tools available — and the mandate to follow them. Cutting-edge seismic acquisition, processing and interpretation are what turn a frontier play into a credible drill-ready prospect.
How we partner.
We work alongside supermajors and specialist independents whose technical capability matches our conviction. Each position is structured to align operator, host government and shareholder interests over the long term.
Our positions span the Atlantic Margin — from the Walvis Basin offshore Namibia to the North Falkland Basin — alongside continuing exposure to Guyana and South Africa.
