Michael Abbott Numismatics has memberships and affiliations with the following associations:

- American Numismatic Association (#1383)

- American Numismatic Society

- American Teleprocessing Corp (ATC)

- Central States Numismatic Society

- Certified Coin Exchange (CCE)

- FACTS Trading Network

- Florida United Numismatists (FUN)

- Houston Coin Club

- Industry Council For Tangible Assets

- Numismatic Guarantee Corporation (NGC)

- Professional Coin Grading Service (PCGS)

- Texas Numismatics Association (TNA)