About Us

3Si is a leading Systems Integrator providing end-to-end Security solutions and technologies to organizations operating in complex and mission critical environments.

Established in Singapore since 2006, 3Si has delivered turnkey integrated security projects across South East Asia. Our Services include the Design, Project Management, Professional Engineering, Technical Support and Training (Global Security Programs).

Our esteemed clients include Government agencies, Multinational Corporates, Manufacturing facilities and Oil & Gas/Critical Infrastructure Operators.

Our strength lies in Systems integration; we combine the capabilities of our products to deliver customized solutions to meet the different challenges faced by each customer. 3Si is proud to be authorized Value Added Resellers of leading global Security brands with innovative products and cutting edge technologies.

As a leading technology provider, 3Si remains committed to our business by continually investing in developing the competencies of our team through attending regularly certification and accreditation programs conducted by our principals, professional associations and international organizations.

Business Philosophy


3Si strives to continuously improve the way we do things so that we can capture greater value not just for us but also for our customers and business partners.

3Si is committed to stay contemporary through learning opportunities for all our people, fostering personal initiative and encourages entrepreneurship.

3Si strives to realize the levels of profitability for the financial well-being of the company and its employees.

Safety & Security



3Si is committed to observe and practice the highest Safety and Security standards while delivering our projects and services. Safety Practices are our utmost priority while performing jobs at our client’s facilities.

3Si is proud to be awarded bizSAFE Level 3 by Workplace Safety and Health Council in Singapore as a reflection of our commitment in delivering safety standards to our customers.​.

Our Vision

3Si’s vision is to become a respectable and reputable Security Systems Integrator in the Asia Pacific region.We bring together solutions to protect People, Assets and Information; ensuring safe and peaceful environments for all.

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