ISO 9001: 2008

Abelian was awarded ISO 9001 certification following an independent assessment. The Quality Management Systems assessor paid particular tribute to 'the investment in people and training that enables Abelian to provide an efficient service to their customers'.

ISO 14001

Abelian has been awarded ISO 14001 following an independent assessment. This certification assesses a company's systematic way to control the effects that our business practice affects the environment and how environmentally responsive we are as a business on issues such as conserving materials, energy and preventing environmental incidents.

OHSAS 18001

OHSAS 18001 is a Health and Safety accreditation. In recognition of our occupational health and safety policies and procedures, Abelian has been awarded this accreditation. It certifies that we provide the best possible working conditions for our staff. 


SAFEcontractor is a Health and Safety accreditation in recognition of our rigorous health and safety standards. The scheme assesses the health and safety arrangements of a company whose services have been contracted out, ensuring that they are operating in a safe manner. Abelian was awarded the SAFEcontractor accreditation, meaning that our health and safety efforts have been recognised and approved.


Abelian is a member of The British Institute of Cleaning Science (BICSc). BICSc is the largest independent professional membership and educational body within the cleaning industry. It offers an array of accredited, certificated assessment schemes tailored to the needs of the industry.


CHAS is a nationally recognised accreditation which assesses the Health & Safety of suppliers from a variety of industries and provides a one stop accredited Health & Safety assessment, which can be trusted and relied upon. CHAS are also a founding member of the Safety Schemes in Procurement (SSIP) competence forum.