Side-by-side comparison
Arm vs Improbable
Corporate structure, registry, ownership, and key facts compared. Same industry: Technology.
Side-by-side facts
| Field | Arm | Improbable |
|---|---|---|
| Industry | Technology | Technology |
| Headquarters | London, United Kingdom | London, United Kingdom |
| Legal name | Arm Holdings plc | Improbable Worlds Ltd. |
| Founded | 1990 | 2012 |
| Ownership | Subsidiary | Private |
| Listed on | NASDAQ · ARM | — |
| Employees (est.) | 5000-10000 | 500-1000 |
| Revenue (est.) | $3B-$5B | $50M-$100M |
| Jurisdiction | United Kingdom | England and Wales |
| Registry | Companies House | Companies House |
At a glance
Arm is subsidiary while Improbable is private. Both based in London, United Kingdom — direct local peers.
Want to dig deeper?
Read each company's full corporate-structure profile.