4. CloudClevr
Revenue growth: +146%
Revenue: £31.2m
Oxygen 250 ranking: 158
Built on the rapid-fire acquisitions of NGC Networks, 4Sight, Bamboo and Twisted Fish, this Rigby Group-owned MSP saw revenue boom 146% in its year to 31 March 2025.
Despite pledging to “evaluate further M&A”, CloudClevr will now put greater focus on creating a single national business under a single brand, its strategic report revealed.
Key vendors include Microsoft, Zoom, 3CX, EE, O2 and Pangea.
Oxygen ice-breaker:
SME-focused CloudClevr claims to be “on a firm path” to double-digit organic growth and £3m+ EBITDA for its fiscal 2026, according to Rigby Group.
Download Oxygen 250 2026 here
See next page for 3 even faster-growing partners…
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