Advanced Digital Dynamics (ADD) is a leading independent supplier of computer hardware and software with a powerful track record in delivering solutions for businesses

We are always happy to take your call and often even during out of office hours we can be found answering emails.
If you are looking for anyone in particular visit this page

Head Office

Advanced Digital Dynamics Ltd
Unit 197, Avenue B
Thorp Arch Estate
LS23 7BJ

Looking to sell, buy or recycle?  Email us at
Have an account query? Email us at

Call us on 01423 206340

We don’t like faxes but if you like to send a fax here is the number to us –  01423 206330 – We cannot fax you back.
Our Twitter @add4it
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Company Number 03310108
Vat Number 686 3552 00
UK NCAGE Number – U0DW4
D&B D-U-N-S Number – 378901441
AATF Approval Number WEE/C0006ZT/ATF