Memberships & Accreditations

We are members of many professional organisations and trade bodies relating to our industry and accredited by numerous complementary associations in support of our high standards.

We follow best practice protocols in the delivery of services to clients, including the highest standards of health and safety. Below are some of the accreditations we have achieved, and the various bodies WJ UK and our staff are associated with.


a professional and trusted partner

9001 logo

3core2 ISO 9001

Quality Management System

Our ISO9001 accredited Quality Management System ensures we deliver projects to clients which address their needs and continually improve the methods through which we communicate with them.

14001 logo

3core2 ISO 14001

Environmental Management

Our ISO14001 accredited Environmental Management System ensures we deliver our services with full commitment to reduce the impact of our business on the environment.

18001 logo

3core2 ISO 45001

Health and Safety Management

Our ISO 45001 accredited Health & Safety Management System ensures we deliver projects to clients which address their needs and continually improve the methods through which we communicate with them.

Achilles UVDB

Achilles UVDB

Achilles UVDB is the utility industry pre-qualification system used across the UK to ensure the highest standards of supply chain assurance.

Considerate Constructors Scheme

Considerate Constructors

WJ UK agree to abide by the Code of Considerate Practice, designed to encourage best practice beyond statutory requirements and is concerned about any area of construction activity that may have a direct or indirect impact on the image of the industry as a whole.



Acclaim Accreditation is a Health and Safety accreditation service provided by Supplier Assessment Services. 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.


Constructionline – Gold

Constructionline is a provider of procurement and supply chain management services, making contracting simpler and helping customers achieve more

FORS Bronze

FORS Silver

The Fleet Operator Recognition Scheme (FORS) is an accreditation scheme for fleet operators which aims to raise the level of quality within fleet operations, and to demonstrate which operators are achieving exemplary levels of best practice in safety, efficiency, and environmental protection.

Building Confidence

Building Confidence

Building Confidence is the construction standard providing certification to Safety Schemes in Procurement (SSIP) and the Common Assessment Standard (CAS)

Supply Chain Sustainability School Bronze

Supply Chain Sustainability School Silver

The SCS provides CPD-accredited education on topics including sustainability, procurement, lean construction and management to those within the built environment sector.


who we're with

Ground Source Heat Pump Association

Ground Source Heat Pump Association

The GSHPA encourages the growth and development of the ground source energy industry in the United Kingdom by promoting the efficient and sustainable use of ground source heat pumps, raising awareness of the benefits of ground source heat pumps and developing ground source installation Standards

The Well Drillers Association membership badge

The Well Drillers Association

The WDA acts for interested parties in the design and construction of water wells and boreholes.

Institute of Civil Engineers membership badge

British Drilling Association

The BDA is committed to Improving standards in Health & Safety, Quality of workmanship and technical proficiency for the benefit of the Drilling Industry and its clients

WJ Group AdminMemberships & Accreditations