History of Manderstam International Group

Len Manderstam

This firm of consulting engineers was founded by Mr Manderstam in 1941 commencing active operations in the early 1950s in chemical engineering and in particular soaps, vegetable oils and fats.

After the Second World War Mr. Manderstam continued his high-level contacts with many wartime resistance leaders who subsequently became leading politicians in Africa and south-east Asia. The company retained its links to ex-service personnel and even into the 1980s there were a number of ex-SAS officers working in the firm. Read more about the history of Major Manderstam.

Victoria Street, Westminster, London

The firm grew along with many other similar firms of consulting engineers such as Eubank & Partners, W. S. Atkins, Binie and Partners, Mott MacDonald all of whom are now major corporate entities either through growth, acquisition or takeover. All these firms were based in and around Victoria Street in London SW1, alongside major contractors such as Humphrey and Glasgow’s, all servicing the major oil companies, also located in Victoria Street (see map right – in the heart of Westminster).

The Buncefield Explosion, 2005

From the late 60s and into the 1990s Manderstam grew into a substantial firm and provided detailed engineering services to oil companies and economic feasibility studies to the United Nations, the World Bank and other International Agencies and Governments. Manderstam were the expert witnesses at the Flixborough disaster enquiry and wrote the United Nations Handbook on oil processing which is still used today. In 2008, Manderstam were employed as expert witnesses in the Buncefield explosion in 2005.

Mr. Manderstam died in 1984 however the business was purchased by the employees and continued as it is today, retaining its unique technical expertise and highly personalised approach to the work undertaken for its clients.

Manderstam has developed over the last 25 years into providing a ’boutique’ technical resource for professional service groups; providing technical expert witness services to the top city and regional law firms, techno-economic feasibility studies for management consultancies, accountancy practices, government agencies and private investors on manufacturing projects.

Manderstam has also developed over the last 25 years substantial benchmarking databases and expertise in the oil and gas and petrochemical industries. In particular Manderstam has developed a methodology for using complexity factors for normalisation of cost man-hours of different sizes and types of process plants.

Manderstam International Group is now one of the few remaining independent consulting engineers and retains a tremendously broad technical experience and lengthy client list in process and industrial engineering.

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