Contact Us

Butterworth Laboratories Limited has a policy of easy and open access for our customers; we believe it is important that as the customer you can, if you wish, talk to the analyst undertaking the work on your behalf.  You can also speak directly with the creator of your quote and the writer of your invoice. 

For initial contact, either complete one of our Quick Contact web forms by clicking on the buttons above, or choose the department you require from the list below.

Our standard hours of business are: Monday to Friday GMT 0900 to 1700

For accounts queries email:

If you prefer speaking to typing, you can call us on +44 (0)20 8977 0750.

We encourage ongoing dialogue throughout the lifetime of contracts and encourage clients to come and visit our facilities to discuss current or future projects.  Obviously, we’re also more than happy to visit you, too. 

To arrange a meeting, please email

Located in South West London, we are easily reached from Heathrow or Gatwick airports and there is a mainline rail station 5 minutes’ walk from the laboratory with regular trains to central London.

For those arriving by car, we are conveniently located just 20 minutes from the M25

Allow your laboratory to innovate


The latest technology combined with our expert team of scientists make us leaders in Quality Control Testing, Method Development, Method Validation and Stability Testing of both pharmaceutical raw materials and finished products.

We refine this service by promoting a culture of open communication between our analysts and our clients, ensuring that you retain control of your work.

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