Abelian has achieved exceptional service accreditations highlighting our service excellence, customer service standards, health and safety standards and innovation within the industry. All of which confirm our commitment to all cleaning service contracts.

ISO 9001: 2015

Certification was awarded for the quality Management Systems utilised at Abelian highlighting our ‘investment in people and training that enables Abelian to provide an efficient service to their customers’ detailed by the independent assessor. 

ISO 14001: 2015

Awarded on assessment of Abelian’s systematic methods to control the effects our business practice affects the environment alluding to our response rate to environmental issues such as conserving material, energy and preventing environmental incidents. This accreditation is in support of our corporate social responsibility strategy.

OHSAS 18001

Abelian has been awarded this accreditation in recognition of our occupational health and safety policies and procedures. It certifies that we provide the best possible working conditions for our staff.


Abelian was awarded this accreditation on assessment of our rigorous health and safety arrangements highlighting our safety procedures on services contracted out. Thus proving our health and safety efforts are fully 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