Welcome to Polyphase Systems Ltd

Polyphase Systems Ltd is a multi-disciplined engineering company that was formed in 1990 specialising in electrical engineering works. However, given the continuing growth of the company, we have since diversified into civil, mechanical, tele-communications, sewage and water treatment projects.
Our head office is based in Nairobi, Kenya but we have successfully undertaken a wide range of prominent projects across Kenya, Zambia and Uganda and continue to develop our business in these areas. We have worked in partnership with a number of multinational companies and governments including Mitsubishi Coporation, ABB Group, Siemens Ltd and Union Ferosa.
We recognise that our clients require good service, a quality product and an acceptable price.



To be driven by innovation, to deliver development that leads to sustainable growth for the people and economy of Africa.



PSL core values defines the way we are expected to act both as business goals. Do what’s right – We are committed to the highest standards of ethical conduct in all that we do.

Health & Safety

Each employee is given such information as is necessary to enable the safe performance of his/her activities.