About Us

For over 20 years Grosvenor Oil has been supplying high quality Transformer oils and providing specialist on-site oil processing services to the world’s major Transformer Manufacturers, as well as directly to the UK Power Generators, Transmission Network Operators, Distribution Network Operators, HV Maintenance Providers, & industrial owners / operators.

Grosvenor Oil is run by a team of dedicated customer focused employees with many years of experience in our industry. Our services and capabilities are detailed within our website but can be summarised as follows:

• • UK distributor for Nynas, supplying several Standard, High, Super & Special grades of Transformer oil, available at short notice and in various pack sizes to suit any application / requirement - www.nynas.com/en/product-areas-solutions/transformer-oils/oils/
• • Production and supply of reclaimed insulating mineral oil to BS148.
• • Distribution of new / reclaimed oil using own delivery fleet or transport partners offering deliveries to suit customer requirements including same day & next day delivery.
• • Waste oil management including collection of used transformer oil (classed as hazardous waste) via our waste carrier’s license.
• • Specialist Insulating Oil Analysis and Transformer Condition Monitoring via independent oil laboratory Transoil. - www.transoil.co.uk
• • On site oil filtration services, including the first fill of generator and transmission transformers and reactors, to the drying of industrial distribution and off-shore transformers.

As part of the Grosvenor group of companies, Grosvenor Oil Services work closely with Grosvenor Power Services to provide a comprehensive installation and oil supply / processing offering. Grosvenor Power Services www.grosvenorpower.co.uk are an independent company able to provide a complete installation service for substations and power systems from 33kV to 400kV. With over 30 years ‘hands on’ experience, Grosvenor staff have grown with the industry, developing safe systems of work to ensure full compliance with industry regulations and provide clients with a safe, high quality build.