LumenStream provides zero-upfront smart lighting via a 'Pay as you Save' Lighting-as-a-Service model that enables businesses to adopt energy-efficient lighting with no capital investment. The company focuses on helping high-energy users cut CO2 emissions and reduce operating costs while delivering immediate positive cash flow to customers. The recent £1.2m investment will allow LumenStream to scale deployment of its smart lighting solutions across more sites. LumenStream plans to expand its team, hiring for accounting, sales, and technical support roles to support growth. The company has secured customers including Siemens, Wickes, Oxfam, and Ryobi. CEO Alistair Brown said the funding will accelerate their mission and reinforce Belfast's position at the forefront of green innovation.

Total raised

$2M

Funding rounds

1

Latest round

Equity

Latest activity

Jul 2025