Sonaura Limited raises £4.2m Seed round for private wire renewable energy

An estimated £4.2m has been raised by Sonaura Limited to expand its private wire renewable energy operations for industrial and commercial clients. The London-based company completed the allotment of shares on 2026-04-23, with the filing registered on 2026-05-05.

Sonaura designs, develops, and operates systems that supply renewable energy directly to businesses, bypassing the traditional grid. Its service offering includes solar and wind project development, battery storage integration, and power-purchase agreements. The company aims to provide energy security, price stability, and decarbonisation for large-scale energy users.

This Seed round follows two previous funding exercises completed in 2024. Sonaura raised £2m in January 2024 and another £2m in March 2024. The latest £4.2m injection represents the largest single allotment to date for the firm.

Founded on 2023-04-10, Sonaura is headquartered in London. While the company's latest accounts listed nine employees, its LinkedIn profile indicates a current headcount of 24. The business focuses on pioneering offsite private wire renewable energy solutions across the European market.

The company operates the website sonauraenergy.com and focuses on the production of electricity through decentralized infrastructure. By managing the development and operation of these systems, Sonaura allows businesses to source power independently of the standard utility grid.