Tewke secures £1.5M to scale AI-powered home energy platform

London-based Tewke, a company focused on energy optimisation and home automation, has closed its second funding round of £1.5 million. The round included participation from JamJar Investments, Cur8 Capital, Energy Mix Ventures and Project Ventures, as well as angel investor Vlad Yatsenko, co-founder and CTO of Revolut.

Read our earlier interview with Tewke co-founders Piers Daniell and Rowan Dixon.

Founded in 2020 by Piers Daniell and Rowan Dixon, Tewke develops smart home technology designed to simplify energy management. Its flagship product, Tap, is designed and engineered in the UK and requires no rewiring. It works in homes without a neutral wire, making it compatible with more than 90% of UK housing. The company positions the device as an alternative to more complex, installer-led smart home systems.

Beyond lighting control, Tap is designed to support household energy optimisation by helping users shift electricity use in line with time-of-day tariffs to reduce costs and emissions. It forms part of Tewke’s broader strategy to improve home energy efficiency through contextual, AI-driven intelligence. The company develops its core technology in-house, including patented hardware and firmware as well as its proprietary operating system, Tewke OS.

Piers Daniell, co-founder and CEO of Tewke, said the company’s goal extends beyond energy optimisation to creating a more intelligent, sustainable, and user-centred living environment.

Building next-generation electronics and AI in the UK has been a monumental technical challenge. Seeing people install Tap in minutes and start saving energy immediately is a powerful reward. This funding enables us to scale what we’ve proven works and double down on engineering excellence,

added Rowan Dixon, co-founder of Tewke.

In 2025, Tewke also introduced TewkeAI alongside Google, a contextual AI framework that uses data from Tap’s nine onboard sensors to analyse behaviour, movement, air quality, and temperature patterns within the home.

The funding will support go-to-market execution and the expansion of Tewke’s engineering team, including the development of neuro-symbolic AI systems to improve residential energy performance. The company’s growth is also supported by non-equity funding from Innovate UK.