Case Studies

Contact Details

1A Millfield Lane,
St Helens,
Merseyside, WA11 9TW,
United Kingdom

+44 (0) 1942 290080


Who We Are

From a small family firm, to a global design and manufacturing business. Find out more about what makes us different from other filtration businesses.

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What We Do

A comprehensive range of services to fulfil all filtration needs.

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Who We Service

No matter your industry, we can provide a filtration, automation or consultancy solution for you.

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What We Know

Whether it be business updates, industry news or product and service developments: Our articles will keep you in the know.

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Case Studies

What We’ve Done

We have undertaken many projects across numerous industries and countries. Take a look at our Case Studies to find out more about our past work.

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Join Our Team

We are always looking for ambitious and motivated individuals to join our team, based in St Helens, England, UK.

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A Better Fit

Core Protection Systems, also known as Corpro, specialise in respiratory protection products which have been designed with the user at their core.

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About Us

Filter design and manufacture: Incorporated in 2005 in St Helens, England, The Filter Design Company had humble beginnings with just three employees and one product available to sell in the UK. Now, we supply into six out of the seven continents, have and expansive product and service portfolio and employ over fifty hard-working and skilled individuals.

The Company

From a small family firm to a global design and manufacturing business.

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Meet The Team

A diverse team with extensive experience.

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Take a look at our history, to see how we’ve grown in th sphere of industrial filter manufacture, and how we’re progressing on our mission of providing clean air to all.

The Filter Design Company Founded


Our incorporation. One product available in the UK. Three employees.

UK Expansion


Expanded our product offerings into various industries in the UK, including Respiratory Protection and Oil Coalescing.

Broke into Europe


Broke into the European market. Began developing products for the Military sector. Grew to 10 employees.

North American and African Exports


Began regularly exporting to clients based in North America and Africa.

Medical Consultancy


First large-scale consultancy project for a globally recognised medical business.

Australasia Distribution


Regular distribution into Australasia began.

Pharma Extension


Began designing and manufacturing products for the Pharmaceutical sector.

Engineering and Gas Testing Introductions


Commencement of our Engineering department. Introduced our in-house gas testing facility.

Automation and Industry Growth


First large-scale ‘FDC Automation’ projects commenced for Military and Respiratory Protection sectors. Began designing and manufacturing products for the Energy Generation industry. Grew to 20 employees.

Corpro Concept


Began developing products for the UK-based respiratory protection specialist, Core Protection Systems, also known as ‘Corpro’.

International and Industry Expansion


Broke into Asian market. Began developing products for the Transport sector. Commencement of our Product Design facilities.

Corpro Launch


Corpro respiratory protection products launched, including tight-fitting respirators and a range of filters. For more information about Corpro, view our Case Study or visit the Corpro website.

Further International and Industry Expansion


Regular distribution into South America commenced. Began filter design for the Water industry. Introduction of our Technical department. Grew to 30 employees.

Medical Focus


As a result of the COVID-19 global pandemic, both The Filter Design Company and Corpro were focusing on the medical market, in particular UK frontline medical staff. Grew to 50 employees.



The Filter Design Company was acquired by world-leader in specialist, head-mounted PPE: Gentex Corporation.

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