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Certified since 1992 with a recognised international quality system, the company now has BS EN ISO 9001:2015 Quality Management System. This requires a process of Continual Improvement in all areas of the business and it's procedures are audited by BSI on a six monthly basis and we have an exemplary record in such audits over many years. West & Senior are delighted to anounce that they have achieved (in August 2016) the ISO9001:2015 Quality Managment System certification. One of the first Companies to be awarded this certification the UK Chemical Industry.

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West & Senior "Placing Health & Safety as its paramount concern”

To request a Safety Data Sheet (SDS) please contact us either via your point of contact or by using the web form on our home page

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West and Senior is committed to minimising the impact of its activities on the environment.


Certified since 2011 with a recognised international environmental system, the Company now has been awarded BS EN ISO 14001:2015 Environment Management System. We are one of the first companies in the UK to be awarded the 2015 certification. As with previous standards this requires a process of continual improvement in all areas of the business both internally and within the local environment, it is audited by BSI on a six monthly basis and we have an exemplary record in such audits over many years. 

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West and Senior are manufacturers of Pigment and Additive dispersions/mixtures for the Polymer Industries. These are mixtures and preparations which intrinsically do not involve chemical reactions and as such, in themselves do not need to be registered within REACH. It is, however, our responsibility to ensure that the manufacturers and suppliers register the component parts where required. 

REACH is very much an evolving and ongoing process, however if you have any concerns regarding the implementation of this regulation and West & Senior products please do not hesitate to contact us

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WSL is committed to processing data in accordance with its responsibilities under the GDPR (General Data Protection Regulation)




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