Harmon Research Group, LLC

What we know about this broker

Confirmed 2026-06-16. Harmon Research Group is a market research firm registered as a data broker in California (oag.ca.gov/data-broker/registration/187673), located at 751 S Weir Canyon Rd, Suite 157622, Anaheim, CA 92808. Phone: (714) 844-0123. Opt-out is via email to [email protected] requesting removal from market research studies. Privacy policy at harmonresearch.com/privacy-policy confirms email removal option. Company states data is used for statistical/research purposes only, not marketing from collection lists. No dedicated opt-out form found; no authorized agent policy stated in privacy policy. No confirmation step described; the policy states HRG will "make every reasonable effort to address and resolve concerns." Category kept as 'other' per seed (market research / unclassified registry broker). California DROP platform (launched 2026-01-01) also covers this broker for CA residents.