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CSL

Telecom·UK·Exited 2025·Held 7yr

CSL is a TMT company, headquartered in UK.

Entry
2018
Hold
7yr
Exit
2025
Est. EV
–

Who owns CSL?

CSL was owned by ECI Partners through ECI 11 (2018 vintage) from 2018 to 2025, exited via GP-led. Across its history, CSL has been through 2 private equity ownership periods, detailed in the timeline below.

Buyer identity available on Pro.

Hand-verified · updated 2026-04-21

ECI Partners
Most recent investor
ECI Partners
ECI 11 · 2018 · Buyout
2 ownership periods · full history below

Key facts

HQUK
SectorTMT
Key takeaways
  • ·Fully exited in 2025.
  • ·Average hold across 2 realized cycles: 6 years.

Ownership history

2 ownership periods

Exited
Last exited in 2025 to .
Bowmark Capital
Bowmark CapitalExited 2016
2011 · 2016 · Bowmark Capital Partners IV · 2008 · Growth
Secondary · to
MOIC
–
ECI Partners
ECI PartnersExited 2025
2018 · 2025 · ECI 11 · 2018 · Buyout
GP-led · to
MOIC
–

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Data refreshed weekly · Sourced from public filings