Oco Limited

At OCO Limited we specialise in the maintenance, repair, servicing and installation of heating, mechanical, electrical and water hygiene building services and equipment in the private and commercial sectors. We work in domestic, communal and commercial environments, covering everything from roof level to below ground projects.

With over 45 years of experience, we’ve built strong, lasting relationships with a wide range of clients, from Local Authorities and Housing Associations to public and private sector organisations. Our clients trust us to deliver high-quality, reliable services, including:

• Domestic Gas repairs, annual servicing, and new installations/upgrades
• Communal & District Gas repairs, planned servicing, and refurbishments
• Boiler & Plant Room Planned Preventative Maintenance (PPM)
• Underground services installation and renewal
• Renewable Energy
• Domestic Electrical systems
• Communal Controls & Electrical services
• Laterals & Estate Lighting
• Emergency Lighting & Lightning Protection
• Water Hygiene services, including Legionella testing, L8 Risk Assessments, and Tank Replacements
• Equipment Descaling & Maintenance
• Ventilation Systems
• Air Conditioning
• Dry & Wet Risers
• Booster, Sump, Sewage, and Waste Pumps
• Insulation Services
• Fire Fighting Testing & Installation
• Laundries

Our team of over 180 dedicated professionals, engineers, electricians, technicians, and administrative staff are passionate about delivering the best service possible. We invest in continuous training and development to ensure we’re always offering top-quality, professional, and friendly service.

We also take our responsibility to the environment seriously. We’re committed to reducing our carbon footprint and are proud to be officially carbon neutral, certified under the BSI PAS 2060 guidelines.

Serving the region within and around the M25, as well as the South and South East of England, we’ve maintained a solid reputation over the years, with an annual turnover ranging from £18 million to £21 million.

Frameworks

• Commercial Heating Framework 2025
• Heating Framework 2025
• Water Hygiene and Legionella Framework 2025
• DPS Supporting Compliance and Maintenance