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Company / Portfolio company

CIS Security.

CIS 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]

01Deal
01People
01

Deals on Carrywatch

Every @carrywatch deal that names CIS Security, and its role in each.

Symera Partners / CIS Security

Symera Partners bought CIS Security from the Palmer family, the firms said Sept. 22, 2026.

See deal details
02

Deal Web

Firms linked to CIS Security because they appear on the same posted deal, and how far it sits from any other firm.

176 companies so far. Open one to start exploring.

Directly connected firms

03

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.

Current

04

Sources

As of 25 Sep 2026. Every fact below cites its source.

  1. 01
    CIS Security Partners with Symera for Next Phase of Growth

    PR Newswire (CIS Security and Symera Partners press release) · 22 Sep 2026 · Checked 25 Sep 2026

Deal posts naming CIS Security:

  1. P01