What We Offer
Our Services That
We Provide
Aviation Security
Specialized security services for the aviation industry to ensure safety and compliance.
Events & Hospitality
Providing comprehensive security solutions for corporate environments.
Ultra High Net Worth Individual Security
Your safety comes first, which is why our close protection services for UHNWI are provided with the highest level of discretion and professionalism.
Retail & Travel retail Specialist
Security and support solutions tailored for retail stores and shopping centers.
Reviews
What They are
Talking About
Company?
Experience Tailored Security and Staffing Excellence
Discover how Sigma 11 delivers customized security and staffing solutions across corporate, aviation, retail, and construction sectors, ensuring safety, compliance, and operational efficiency through extensively BS-7858 vetted professionals. ISO 9001:2015 QMS accredited and Safe Contractor approved services.
JOHN LEWIS & PARTNERS
Premium Client
Sigma 11 delivered outstanding professionalism and security services that exceeded our expectations every step of the way.
Jordan Smith
Operations Manager
10+
Year of
Experience
12+
Winning
Global Awards
88+
Complete
Total Projects
78+
Happy
Customers
Experience You Can Rely On
Showcasing our ISO 9001-2015 accreditation, Safe Contractor approval, and rigorous vetting processes that guarantee exceptional security and staffing services.
ISO 9001:2015 QMS
Certified Excellence
Safe Contractor
Approved
BS 7858
Industry-Leading Security Standards