• +44 (0)207 491 4777
  • contact@gcslab.co.uk
  • 30 New Bond Street, London W1S 2RN

How to submit

How to submit

There are two ways to submit an item for testing to GCS

1.On-site testing

You can visit directly at our address 30 New Bond Street, W1S2RN.

If you haven’t used our services before, please complete the New Client Registration Form and send to us via email on contact@gcslab.co.uk or call us directly on +44 (0)207 491 4777

2. By shipping

Before shipping the item(s) please fill in and sign the Submission Form, include it in your parcel and send us an email.

A parcel received without a signed submission form will not be processed.

You can ship your item(s) to us using the courrier of your choice.
If you are in the UK, we recommend using the Royal Mail Service (Tracked, Next Day Delivery).
If you are outside the UK, please use the courrier of your choice.

You will have to organise your pick-up and collection; and send us the relevant documents to place on the parcel for the return.
If unsure, don’t hesitate to contact us on +44 (0)207 491 4777 or by email contact@gcslab.co.uk


Download New Client Registration Form
Download Submission Form