| Name | Category | Address | City | Opening hours |
|---|---|---|---|---|
| IBM ISC, s.r.o. | Corporate office | Prievozská 19344/2 | Bratislava | Daily Open 24 hours |
| IBM | Corporate office | Aupark Tower, Protifašistických bojovníkov 11 | Košice | Mon–Sat 08:00–20:00 |
| IBM Česká republika, spol. s r.o. | Software company | V Parku 2294/4 | Prague | Fri 08:00–18:00 |
| IBM Polska Sp. z o.o. | Software company | Krakowiaków 32 | Warsaw | Wed 09:00–18:00 |