How to Verify M. Marcus Ltd.

Promoting Due Diligence

M. Marcus was established over eighty years ago as a traditional brass founder, and from the very beginning it has been committed to quality both in its products and its customer service.

You can read more about what we do in the About Us section of our website. This page is dedicated to help you in undertaking due diligence regarding choosing our products and services.

Trade & Professional Memberships

M Marcus is a member of:

  • The Guild of Architectural Ironmongers - Affiliate Members can be seen here.
  • Master Locksmiths Association - Affiliate Members can be seen here.
  • Secured By Design - Affiliate Members can be seen here.
Our Certifications

We hold ISO 9001 & ISO 14001 certification. You can contact us on 01384 457900 for verification or request to speak to our Operations Manager. You can also view our certificates here.

Our certifications numbers as follows:

  • BSI ISO 9001 QMS Certification Number - FM 35735
  • BSI ISO 14001 EMS Certification number - EMS 572656

If you require copies of our certificates or would like to discuss any policies we have in place, again you can discuss this with our Operations Manager on the above contact details.

If you require to discuss our BSI audit history, then again you can contact us by telephone or e-mail on the above details, or request to speak to our Operations Manager who will be able to provide the results history of our BSI audits, and even update you of our own internal audit program and M Marcus Dashboard.

Our Associations

As an advocate of the Safer Ironmongery Initiative, we demonstrate responsibility in making the process of undertaking Due Diligence on our organisation accessible. Verify us in the Iron Out advocate directory.

Staff Training

Our Team undergo internal training as identified by their learning needs for their Continual Professional Development (CPD). As well as the interview selection process, there is an induction process and an ongoing training & development programme during the probationary period, which continues as our ranges develop or to reflect any changes in product certification etc. A skills training matrix record is maintained on our internal M Marcus Dashboard for competencies levels and flexibility of resources for business continuity. This is integral to our Quality Management processes and for providing good, stable and reliable service.

Several of our staff have undertaken courses certified by the GAI, evidenced by certificates. For more information about our training, or evidence of staff's professional competencies, please contact M. Marcus Ltd. on 01384 457900 or via e-mail on

Product Data/Performance Claims
  • Data Sheets & Line Drawings: All data sheets are available on each product page on our website simply download to view.
  • Evidence: Can be downloaded here
  • DoP's: Our Declaration of Performances can be seen here
  • Fixing Instructions: Are supplied with the products and can also be requested by emailing
  • Warranties: Read about our warranty here - All warranty information is supplied towards the back of our catalogue, or on request by mailing

If you have any queries about products, product data or performance claims please e-mail us on

We have an approved suppliers listing of which our suppliers’ performances and credibility are evaluated, and performance reviews are also conducted with our chosen third party carriers of the despatched goods to our customers.

Quality Assurance

Our quality assurance process includes regular inspections and adherence to our ISO certifications and internal policies & guidelines. The additional standards we uphold can be seen here; Code of Conduct | Environmental Policy, Equal Opportunities Policy | Health and Safety Policy | Quality policy

We have various other company policies that may not be listed above, examples being Ethical Trading Policy, Anti Bribery Policy, Reach/ROSH Policy to name a few. Again you can e-mail and address your e-mail for the attention of our Operations Manager.

We have featured in several publications, which you can view here.

M. Marcus Ltd. is a certified member of Wastepack Ltd. As an approved packaging waste compliance scheme, under the producer responsibility obligations packaging waste regulations, we have a certification of registration and compliance along with adhering to ERP regulations. M. Marcus Ltd. Wastepack company registration reference is 00360234 and NPWD CODE NPWD105290. We also have an independent verifier company, E4Environmental Ltd, who audit our packaging waste management data for submittance. View their details here &

Contacting Us

For enquiries regarding our ironmongery safety practices, please contact our team on 01384 457900 or via, or for electrical goods at

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