Alert:
This website is scheduled to undergo routine maintenance on Saturday, 18 November 5:00 p.m.-11:00 p.m. CST. During this time, you may not be able to schedule, reschedule or cancel test appointments. We apologize for this inconvenience and thank you for your patience.

Customer Service

Click on your region below for telephone numbers and office hours.

Telephone and email addresses broken down by region

Office Hours

9:00–18:00 CET (8:00–17:00 GMT) Monday–Friday; closed on local holidays.

  • +44 161-855-7475

Email form

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Office Hours

Monday–Friday, 7:00 a.m.–7:00 p.m. CT; closed on local holidays.

Telephone

  • 866-389-4766

Email form

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Last updated 2017-02-14