Specialists in Filter Testing and Validation, Aerosol Science and Compressed Air Treatment

About us

Filter Integrity Ltd. is a UK based company supporting aerosol scientists and filtration product developers by providing both technical consultancy and specialised aerosol generation and performance characterisation equipment.

We work with both Original Equipment Manufacturers (OEM´s) and system end-users, providing professional technical support in a range of areas including:

    • Selection of aerosol science instrumentation for application specific requirements.
    • Independent validation of high efficiency filter testing.
    • Sterile Filtration Integrity Testing systems and validation support for Pharmaceutical systems.
    • Filter / Dryer / Gas Separation design support service.
    • Vacuum and Compressed Air systems application trouble-shooting.


Our vision is to build a secure and sustainable organisation, internationally recognised and socially responsible, where outstanding customer service and innovative solutions go to make us the best at what we do. We will be a leader in our identified markets, a great place to work and great people to work with.

Our targets are to become:

  • The trusted validation partner of the world’s leading manufacturers.
  • The first point of reference for Compressed Air Treatment Equipment users and specifiers.


Our purpose is to deliver a solution that matches the business needs of our customers by leveraging our technical knowledge and operational expertise in the specialist markets in which we operate by:

  • Improving quality, efficiency and performance of treatment systems.
  • Helping the industry to develop more fully validated products.
  • Spreading technical knowledge as an independent authority

Our Team


Andrew Chalmers

Managing Director

A Physicist by profession and Engineer by training, Andrew has over 25 years experience in the development and validation of compressed air treatment products and systems gained at world leading manufacturers.

Read more

Lynn Chalmers

Administrative Director

Lynn joined FIL in January 2020 bringing over 30 years experience gained as Manager of a local branch of a high street bank and teaching Business Studies to students. Lynn continues to support student learning and development as a Team Leader and Moderator for a UK examinations board.

Read more

How we can help you

With over 30 years of experience in the field, our knowledge and expertise puts us in a unique position of being able to help with almost any query or concern that you may have. Whether you require independent validation of your equipment, advice about what apparatus you should purchase or any other support, Filter Integrity will be more than happy to help.


Expert Advice

During our time working in the industry, we have encountered a vast array of situations that have required an effective and rapid response. FIL combine this experience with a consultative approach to our work, meaning that we will work alongside you to come to a solution that solves your issue and meets all of your requirements.


Quality Products

Filter Integrity supplies innovative particle technologies for aerosol science in the UK. As a UK sales partner of Palas GmbH we provide individual aerosol generation equipment and measuring instruments‚ through to complete analysis systems, for use in particle and aerosol characterisation applications in both research and industry.


Full Support

Whatever service you come to us for, we will continue to support you in the future, both practically with maintenance and repairs, and with ongoing advice to help your organisation thrive and grow.

Newsletter Subscription

Stay up to date with Filter Integrity Ltd

  • This field is for validation purposes and should be left unchanged.