Customer Service

How can we help you today?

Sigma-Aldrich customer service representatives are happy to help with any questions you may have regarding our products. To contact a Sigma-Aldrich representative by email, please use the following options:

Technical Service Help
(Product Related Questions)

Customer Service Help
(Use this form to inquire about existing orders.)

For web site specific help:

Please use these options:
  1. Click the "Help" link located at the bottom of each page.
  2. If our on-line help cannot answer your question, feel free to send us an email.
Local Office Information:
Sigma-Aldrich Ireland Ltd.
Vale Road, Arklow, 
Wicklow, Ireland
Phone: +353 (0) 402 20370
Fax: +353 (0) 402 20375