CIS Security.
Follow CIS SecurityCIS Security is a UK security services company providing guarding, front-of-house and technology-enabled security to commercial properties, public bodies, cultural institutions and other sites, covering more than 300 locations. The Palmer family founded it more than 57 years ago and sold it to Symera Partners, alongside management, in September 2026.[1][2]
Deals on Carrywatch
Every deal that names CIS Security, and its role in each.
Symera Partners / CIS Security
Symera Partners acquired CIS Security in partnership with the company's management team, Symera and CIS said September 22, 2026.
See deal detailsDeal Web
CIS Security and 1 firm it shares a posted deal with, and the path to any other firm.
People
People on Carrywatch linked to CIS Security. Current and Former come from sourced profiles; a role that only appears in a post is shown as stated, with its status not confirmed.
News
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Sources
As of 25 Sep 2026.
- 01CIS Security Partners with Symera for Next Phase of Growth
Symera Partners (press release) · 22 Sep 2026 · Researched 25 Sep 2026
- 02CIS Security | Security experts, innovative partners
CIS Security (company website) · 3 Oct 2026 · Researched 25 Sep 2026
Deal posts naming CIS Security:
- P01