Magnesium Capital invests in TMA Data Management

SEPTEMBER 3, 2026

Magnesium Capital invests in TMA Data Management

TARGET

Smart metering data collection, aggregation, and CRM/billing software for GB electricity and gas suppliers, Elexon-accredited, managing over 5 million meter points.

Ownership	Founder-owned
Headcount	69 FTEs
Headquarters	Kingston upon Thames, United Kingdom
Leadership	Tim Meyer, CEO
Sell-side advisor	—

INVESTOR

Magnesium Capital

London-based growth-oriented private equity firm investing in energy-transition technology and tech-led businesses across Europe

Ownership	—
Headquarters	London, United Kingdom
Buy-side advisor	—

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Magnesium Capital -> TMA Data Management  (2026-09-04)
growth_investment | Energy/Utilities | announced
Target: Smart metering data collection, aggregation, and CRM/billing software for GB electricity and gas suppliers, Elexon-accredited, managing over 5 million meter points.
Website: tma.co.uk | Buyer site: magnesiumcapital.com
HQ: Kingston upon Thames, United Kingdom | Ownership: founder-owned
Advisors - not yet credited
Source: Thematic - https://thematichq.com/software/d/magnesium-capital-tma-data-management.html

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