J. O’connor Limited

J.O’Connor Ltd is a trusted specialist in commercial heating and mechanical services contracting. For over 30 years, we have supported clients across the healthcare, residential, education, and commercial sectors, delivering reliable installation and responsive maintenance solutions tailored to the needs of complex, occupied environments.
Our expertise covers the full lifecycle of heating and hot water systems, from the design and installation of new plant and distribution systems through to planned preventative maintenance and 24/7 reactive support. We have extensive experience working within sensitive settings such as care homes, sheltered housing, and student and key worker accommodation, where reliability, safety, and minimal disruption to residents are of paramount importance.
As a contractor, we provide clients with a seamless service that combines technical knowledge, compliance expertise, and hands-on support. Our engineers are trained in both conventional gas-fired plant and modern low-carbon technologies, ensuring that the systems we install and maintain are efficient, safe, and future-proof. This is supported by our 24-hour helpdesk and regionally based response teams, giving clients confidence that issues will be dealt with quickly and effectively.
We are fully accredited with Gas Safe, NICEIC, BESA, CHAS, SafeContractor, and Constructionline, and operate a fully audited ISO 9001 & ISO 14001 compliant management system. Health and safety is at the core of our operations, with every project planned around risk assessment, safe systems of work, and ongoing monitoring.
J.O’Connor Ltd has built its reputation on long-term client partnerships. By combining robust technical delivery with a dependable planned and responsive maintenance service, we ensure that heating and building services infrastructure in critical residential settings continues to perform to the highest standard.

Frameworks

• DPS Supporting Compliance and Maintenance