tem

Energy · London, GB

AI infrastructure for transparent energy transactions (Rosso engine and RED neo-utility interface).

Founders

Joe McDonald (United Kingdom · ♂) — A founding member of energy-tech platform Limejump, which scaled and sold to Shell, he co-founded tem in 2021 to build an AI transactions platform letting businesses buy energy directly from renewable generators, serving as CEO.
Jason Stocks (United Kingdom · ♂) — A Limejump alum who exited the platform to Shell, he co-founded tem to fix broken energy markets, serving as Chief Commercial Officer.
Bartlomiej Szostek (Poland · ♂) — A technical Limejump veteran who co-founded tem in 2021 to build its real-time energy-matching engine, serving as Chief Technology Officer.
Ross Mackay (United Kingdom · ♂) — A Limejump founding employee who co-founded tem to reinvent how energy is bought and sold, serving as Chief Product Officer.

Shares the most investors with (number = shared investors):

Date	Round	Amount
Feb 2026	Series B London-based tem closed an oversubscribed $75 million Series B led by Lightspeed for its AI energy transaction infrastructure.	$75M
Sep 2024	Series A tem. raised a GBP 10.5M Series A led by Atomico to expand its renewable-energy procurement platform for UK businesses.	$13.8M

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Data is community-curated and may be incomplete.