Bill Menzies

Bill Menzies

Executive Chairman


Sarco Stopper
Bill Menzies is the Managing Director of Sarco Stopper

Career Overview

Sarco Stopper has a worldwide reputation for innovative line stopping & bypass solutions.  Producing under pressure stopper bags for over 40 years, including the only Kite­mark GIS/E4 Gas Bag in the world to suit Ferrous & PE Pipelines.  

Sarco has also pro­duced and pioneered the Hydro Stopper Bags to deploy with the award win­ning WASK Aquastop and Hydrant Wizard pipeline isolation equipment for water mains.  

Being quality manufacturers since 1877 and now incorporating the Thomas Bugden Denmar brand established 1856, this private family owned business is audited by BSI twice a year to cover the company’s dedication to its quality policy that will ensure that its products and services fully meet the requirements of its customers at all times.  

The goal of the company is to achieve a high level of customer satisfaction with its commitment to the implementation of supporting managerial and business operational systems is essential to realising that goal.  

Sarco Stopper is also committed to safeguarding the health, safety and welfare of all its employees whilst at work, and to provide, so far as is reasonably practicable, working environments which are safe and without risk to health.  

In 2012, the company moved to new larger premises in Broxburn, which are highly resource efficient, demonstrating Sarco Stopper’s commitment to minimising its impact on the environment.Sarco Stopper has developed and maintains an integrated management system that meets the requirements of ISO9001, ISO14001 & OHSAS18001.

In the News

Sarco Stopper approaches its 150th anniversary

News | Published September 20th 2021, 1:26 pm

Founded in 1877, Sarco Stopper maintains a worldwide reputation for innovative line stopping and bypass solutions to this day, having expanded rapidly since 2007 following a management buyout.Read more →

Popular News Stories

Charter of Principles

  • To treat all colleagues, customers and clients with the utmost courtesy and respect.
  • To make every conceivable effort to deal exclusively with organisations and individuals of repute.
  • To commit, wherever possible, to making a positive social and environmental impact.
  • To do everything in my power to keep colleagues, customers and clients safe.
  • To conduct my affairs not just for the benefit of my own organisation but for the benefit of my sector and country at large.

Bill Menzies has committed to The Leaders Council Charter of Principles

It is Leaders Council policy to suspend or permanently remove any individual who we discover to be flouting these principles.

If you have reason to believe any of our members are not adhering to the principles, please contact us at

If you hold a leadership position, we would be delighted for you to sign the charter.

Become a Member

© Copyright 2022, Leaders Council.