| 22 Degrees North | Consultancy |
| 365 Aviation Asia Limited | |
| ACCA Hong Kong | |
| Accenture Company Ltd. | Consultancy |
| Addison Ltd | Real Estate |
| Agile 8 Consulting Limited | Consultancy |
| AIAS | Printing, Publishing & Media |
| Allen & Overy | Lawyer |
| AllSaints Asia Limited | Fashion & Luxury Brands |
| Alumni Services Limited | IT, Computer Services & Software |
| Alvarez & Marsal Asia Limited | Consultancy |
| Amgen Hong Kong Limited | Medical / Healthcare |
| AMNH INTERNATIONAL LIMITED | |
| Analogue Holdings Ltd | Engineering |
| Anglo Chinese Corporate Finance, Limited | Investment |
| Ankura Consulting | Consultancy |
| Aon Hong Kong Limited | Financial Services |
| API Global | |
| App Bar | IT, Computer Services & Software |
| APW Property | |