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Accreditation & Prequalification

Pathways to Quality Assurance

Accreditation gives our customers confidence that our company meets specific standards in quality, reliance, and safety. Prequalification allows potential customers to save time when looking for a new and trusted supplier. We are proud to be Telarc 9001:2015 registered, have a 5-star +Impac Prequal rating, and SiteWise Gold Status.

Quality Management

The ISO 9001:2015 is a quality management system based on the following principles:
Customer Focus
Engagement of People
Process Approach
Relationship Management
Improved decision making

Tubman Heating Limited has held ISO 9001 registration since 2002.

5-Star Rated Health & Safety Management Systems

Tubman Heating Limited has achieved a 5-star rating in PREQUAL. Pre-qualification demonstrates that our health and safety management systems have been independently assessed for our ability to perform work safely when we install or maintain your heating systems.

Employer Licence

Telarc Limited, an approved authority, has evaluated Tubman Heating Limited’s operational system in accordance with the Plumbers, Gasfitters, and Drainlayers Act 2006. They confirm:

  1. Tubman Heating Limited’s system ensures employees are skilled, supervised, and trained for safe and compliant gas fitting work.

  2. Tubman Heating Limited maintains a comprehensive manual outlining gas fitting tasks, required skills, procedures, employee details, and workplace locations.

  3. Tubman Heating Limited follows procedures for proper execution, supervision, and response to incidents related to gas fitting tasks.

Online Prequalification System

Gold Status in SiteWise signifies the highest level of achievement. It indicates that Tubman Heating Limited has demonstrated exceptional standards of health and safety management. This recognition reflects a superior commitment to safety protocols, practices, and compliance. Achieving Gold Status involves consistently surpassing the required benchmarks and showcases a dedication to maintaining a safe work environment. This distinction stands as a testament to THL’s ongoing efforts and excellence in upholding health and safety standards.

For all Health, Safety & Compliance queries please contact Kevin Prosser on