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GWE have been accredited as an Brand-Rex Cabling Partner, authorised to provide a 25 year product and application warranty.


Siemon Registered Installer

GWE are a registered Siemon Installer company and authorised to provide a 15 Year product and application warranty.



ISO 9001/14001 Certification ( In Progress )

Due to the continue growth of the business within the Construction industry and also the value that our key clients hold of ISOcertification GWE are currently in the process of gainingthe ISO certification, specifically the 9001 and 14001 for Electrical and Mechanical Installation and Commissioning services which we have actively started in December 2016. Although GWE have current quality systems in place that we have been working with successfully over the last number of years we are gaining these certifications to ensure that our existing processes develop in line with our planned growth.


Construction line

Construction line is the UK’s largest register of contractors and consultants for the construction industry. With over 8,000 key decision makers from over 2,000 buying organisations using Constructionline to select quality suppliers; it’s a great tool to promote our services and gain new work opportunities.



Considerate Contractor 

The Considerate Constructors Scheme (CCS) is the national initiative set up by the construction industry to improve its image Construction sites and companies can register with the Scheme and are monitored against a Code of Considerate Practice, designed to encourage best practice beyond statutory requirements. Where required, we register our sites with Considerate Contractor and follow the code.



Excel Accreditation Certificate 

GWE have been accredited as an Excel Cabling Partner, authorised to provide a 25 year product and application warranty.



Chas Accredited 

To ensure that our clients meet their legal Health and Safety obligations, Grant Walker Engineering is Chas approved. Chas are a leading health and safety pre-qualification assessment scheme, which saves organisations time as accredited suppliers such as us, have already met nationally recognised, high quality health and safety standards. Many large organisations use these schemes as a way of obtaining competent contractors to provide the services required for their organisation. Being accredited by such a scheme verifies.

Grant Walker Engineering’s commitment to the implementation of strict health and safety guidelines.



NICEIC Approved 

To establish our commitment to guaranteeing that our engineers provide a safe electrical installations service, Grant Walker Engineering are approved by The National Inspection Council for Electrical Installations (NICEIC).

Being a member of this scheme protects clients and consumers from the risk of unsafe electrical work. It ensures that we meet our legal duty to be technically competent and meet national electrical safety standards. Enrolment with NICEIC is voluntary, but we believe it’s essential for our engineers to be approved by this body as safety is paramount. Our work is re-assessed on a regular basis to ensure high standards so you can be sure you have a competent, capable and compliant engineer working for you.



Compliance with eh Achilles protocol ensures that contractors align to the requirements of PAS 91. Organisations accredited to the building confidence standard demonstrate that they meet these high standards and are aligned with the high level of compliance that the accreditations requires.

  • The end product was simply outstanding…

    It wasn’t just the insights that impressed me, they had the technical knowledge but described everything in simplistic terms. The end product was simply outstanding.
    Account Director, London 
  • …to say I’m impressed is an understatement.

    Our requirements were anything but simple. GWE excelled in both the approach and the implementation, they had ideas that we didn’t think of and they stuck to all of our requirements, to say I’m impressed is an understatement.

    CEO Fintech Company, London

  • Grant Walker Engineering provided an excellent service

    I was very happy with the work completed by the Grant walker team. From the whole lifecycle of the project, they provided an excellent service in a challenging environment and ensured that the work was finished to a high standard.

    Account Manager at Communications agency


Enjoy a coffee with us


Holland House, 4 Bury Street, Gherkin Piazza

London, EC3A 5AW


Suite 1.10b, 1st Floor, 5 Old Bailey

London, EC4M 7BA


Worting House, Suite 21, Basingstoke

Hampshire, RG23 8PY

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