- Amazon Deutschland Services GmbH
- Amazon Development Center (Netherlands) B.V.
- Amazon Europe Core
- Amazon Europe Core Sarl
- AmberScript
- Ambitious People Group
- Amcor Flexibles EMEA
- AMCS Group
- Amdocs
- Amer Sports
- Amer Sports Group
- American Express
- Amexoptics
- Amgen
- Amgen Europe
- AMID
- Amity International School Amsterdam
- AMMANN Verdichtung GmbH
- AMMP Technologies
- Amoria Bond
- Ampelmann Operations
- Amrath Grand Hotel Frans Hals
- Amrâth Hotel Media Park Hilversum
- Amstel Hospitality Group
- Amsterdam Beautiful Property Rental
- Amsterdam Cheese Company
- Amsterdam Hotel American
- Amsterdam International Community School (AICS)
- Amway
- Amway GmbH
- Andaz Amsterdam Prinsengracht
- Anicare Europe GmbH
- AnnoAnno
- Anomaly
- Antal International
- AntiLoneliness
- Any-Lamp
- AnyLamp
- AOC
- AOC Aliancys
- APG
- Apollo Agriculture
- App Annie
- Appco Group Nederland
- Appen
- Appical