Marketing Data Science Associates (MDSA) is a Washington state corporation established in 1991. Our address is:

2032 Newport Way NW
Issaquah, WA 98027.

Our telephone number is (425) 677-7430.

Regional Offices

Western US Regional Office
14 Monarch Bay Plaza, #418
Monarch Beach, CA 92629
United States
949-499-8545

Eastern US Regional Office
8650 Minnie Brown Road
Montgomery, AL 36117
United States
(646) 736-7671

German Regional Office
Butterblumenweg 5
Wiesbaden, 65201
Germany
+49 611 1503984

UK Regional Office
17-21 George Street
Croydon, CR0 1LA
United Kingdom
+44 (20) 8144 7930