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Welcome to Oakray

Oakray was founded in 1979.

Maintenance, Repair and Installation Specialists:

  • Commercial Heating
  • Domestic Heating
  • Electrical
  • Renewable Energy

Locations covered: London, Greater London and the Home Counties


  • Take a professional approach to Mechanical and Electrical installation and maintenance
  • Have a proven track record of delivery
  • Are one of the leading M&E providers in the sector
  • Committed to researching innovative solutions
  • Have a dedicated renewable energy centre on site
  • 170 directly employed staff
  • Long-serving employees take great pride in their work, underpinning our approach to quality
  • Provide bespoke solutions tailored to each individual client
  • Our philosophy is continuous improvement relating to all aspects of our service provision

The level of repeat business we enjoy is testimony to the professional and non-adversarial approach we adopt when working with our clients.

‘Communications: Without this the rest falls flat!’ We adopt an open policy, using the latest IT, so that clients and customers have direct access to real-time information on our engineers’ status and activity'