Security services and guarding consisting of access control and patrolling, of housing estates, retirement villages, shopping centres, educational institutions, industrial parks, retail, head offices, transport and logistics, hotels, private estates, warehouses ect. We provide our services in both Cape Town and Johannesburg.

Owner driven with a management team whose joint experience and knowledge totals more than 200 years within the industry.

Grinnell Security has an in-house SASSETA accredited training centre allowing us to train our security officers according to client specific needs, very good BEE ratings, R20 000 000 public liability insurance and a team that understands and is focused on service.

Grinnell Security takes over the responsibility of the security and safety of our client’s premises as well  as their staff and allow them to focus on their core business. We do insist on communication and monthly minuted meetings where we review the past month and plan for the month ahead.


Mark Grinnell
082 558 7857

Denys Francois
082 685 0155

Genevieve Grinnell
072 186 2145

Why Grinnell Security?

  • We identify our clients’ needs.
  • We compile a specific client’s training manual.
  • We train our staff thoroughly.
  • We manage and measure our service.
  • We meet and exceed our client’s expectations.

How we achieve this:

  • Through client specific training.
  • Onsite training.
  • Refresher training.
  • Continuous supervision, monitoring & management.
  • Measuring service levels.