Checking that the system works is a vital part of ISO 9001:2008. An organization must perform internal audits to check how its quality management system is working. An organization may decide to invite an independent certification body to verify that it is in conformity to the standard, but there is no requirement for this.

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Certificate number: 197063 | Expiry Date: 19 June 2025

ISO 14001:2004 specifies requirements for an environmental management system to enable an organization to develop and implement a policy and objectives which take into account legal requirements and other requirements to which the organization subscribes, and information about significant environmental aspects. It applies to those environmental aspects that the organization identifies as those which it can control and those which it can influence. It does not itself state specific environmental performance criteria.

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Certificate number: 197380 | Expiry Date: 19 June 2025

Acclaim is a member of ‘Safety Schemes In Procurement’ (SSIP), an umbrella organisation for stage 1 health and safety assessment schemes, SSIP is recognised by a large and growing number of buyers within the construction industry. As an SSIP members scheme, Acclaim Accreditation supports the objectives of SSIP (Safety Schemes In Procurement) to improve health and safety standards across the UK and reduce duplication of paperwork in procurement. We can reassure clients that we’ve met stage one health and safety requirements – something now mandated by a large proportion of buyers.

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Valid until: 1 August 2024

 A living wage is the minimum income necessary for a worker to meet their basic needs. Needs are defined to include food, housing, and other essential needs such as clothing. The goal of a livingwage is to allow a worker to afford a basic but decent standard of living.

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Greyline are an accredited Living Wage employer. Being a Living Wage employer is a voluntary commitment and it applies to our direct employees and our third party staff.


NICEIC provides assessment and certification services for contractors working across the building services sectors. We assess electricians, renewable energy installers, plumbers and gas and heating engineers.

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Enrolment number: 500781000 | Accredited Certification: 27th January 2010


BM TRADA exists to help make certain that the materials, products and processes that we test, inspect and certify for our customers are always safe, quality, compliant and fit for purpose. BM TRADA is proud to be part of Element, the market leader in Testing, Inspection and Certification services.

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Accredited Certification expiry date: 20th March 2024


The construction sector has an important role to play in supporting local economies, and many organisations have a desire to work with local suppliers to support the communities in which they operate. We conduct verification checks for all the suppliers on our platform, so procurement teams can be sure that they are working with approved and accredited partners. In turn, local suppliers have access to a much broader range of projects in their area via the Constructionline platform.

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Registration number: 50131 | Accredited Certification last issued: 3rd August 2024


Gas Safe Certification is a crucial aspect of gas work in the UK. It ensures that all gas engineers are qualified and registered to work safely and legally on all gas appliances, including boilers, cookers, and fires. By displaying our Gas Safe Registration on our website, we show our customers that we are a qualified and trustworthy gas engineers. Customers can be assured that we have the necessary knowledge and expertise to carry out gas work safely and to the highest standards.

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Registration number: 936174 | Accredited Certification expiry date: 26th January 2024