About Us

Founded in 1927 Harmer + Simmons are the original Telecom Power Company.
From our Headquarters in Hainault, Essex, we use our industry-leading expertise to provide AC and DC power for all telecommunications needs including main switches, broadband, access, mobile communications, private mobile radio, satellite base stations, microwave radio links and fibre optic systems.
Used by Major Telecommunications companies worldwide, and with a range of
power supplies from 270W to 500kW, we are able to supply power for all
applications.
We offer:
- Pre-Sales Advice
- Custom Design
- On-Site Installation and Commissioning
- Service Contracts, Preventative Maintenance and Battery Testing
- System upgrades and replacements.