- Bell Security Ltd.
 - Ilford - Supply, installation, maintenance, and servicing of high security equipment. - Dominion International
- Romford - Offering a range of personal and commercial security services.
- Justcc.tv
- Epping - Specialises in closed circuit television (CCTV), security cameras, surveillance equipment, and IP systems. Offers design, installation, and maintenance.
- Ministry Protection Services
- Waltham Abbey - Trained and insured security officers, mobile patrol teams, and security dogs for personal or property protection.
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