Spending power
TheGrid Corporate Spending Power index would rate purchasing capacity from registry, scale and activity signals.
Spending power
Brand profile · Security and Investigations
3Si Pte Ltd runs a Security and Investigations operation from Singapore. Privately held, at 3si.com.sg. It holds one address on record, all in Singapore. It employs 28 people, on the record. It lists project management, access control and systems integration among its specialties. The record links six similar brands, most of them in Security and Investigations.
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.
| Countries | 1 |
|---|---|
| Primary country | SG |
All codes: SG
TheGrid Corporate Spending Power index would rate purchasing capacity from registry, scale and activity signals.
Spending power
Hiring, headcount and registry-change signals, streamed to members.
Registry-filed capital and financial indicators, standardised by TheGrid.
4 employee profiles on record · names withheld.
Names and titles are intentionally absent from this page. The source relation carries no consent record across the privacy regimes this directory spans, so it is never requested and never stored. Search engines see exactly what you see here.
The people relation is never requested, so there is nothing here to unlock.
28 counted staff profiles at January 2026, inside the self-reported 11–50 band.
One address on record, Singapore only. Primary: 20, Sin Ming Lane, Midview City, #07-58/59, Singapore 573968.
None linked to this brand.
Seven tags on the brand's own list, among them project management, access control and systems integration.
14 profiles list 3Si Pte Ltd as a peer — 96th percentile in Security and Investigations. It lists ten peers of its own. Huntaway Security Pte. Ltd. and ACOM Asian Resources Pte Ltd list it back.