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When your network needs another perspective.

What We Do

Sigma.3 is a boutique 'System Integration' company which specialises in Managed IT Services for various industry verticals such as Hospitality, Retail, F&B & Telco companies.

We offer various managed network service options for both Wired & Wireless infrastructures.

And we offer flexible business models with 24 x 7 Support Help Desk and Network Operation Center services. 

Let us help you navigate around the new IoT hype or what to look out for when implementing the latest and super fast 802.11ax wireless standard. 


Upgrading to a Multi-Gig or 10G or 40G network? Talk to us, we've learnt a few things along the way.


We know.. some infrastructures that are just too sensitive to change. 


Planning to move your infrastructure to Cloud? We have things that you may want to know. 


Why Sigma.3?

24 x 7 Help Desk &
On-Site Support
Proactive Equipment
20 Years
in the Industry
Cost Effective & Flexible Business
Vertical Services



retail / F&B

WiFi Analytics Captive Portal Service

Self Service Point of Sales Captive Portal

SMS Marketing Gateway Service

Tenant Based Managed Infrastructure Network 

Integration WiFi to Mall Loyalty Systems

WiFi Location Services

Wireless@SG Service Implementation



24 x 7 Help Desk & On-Site Support

Proactive Equipment Monitoring

Preventive Equipment Maintenance

HSIA Internet Billing Gateway

PMS to Central Radius Integration Services

IoT Device Management & On-Boarding

WiFi Heat Map Services

Ad-Hoc Event Setup & Standby

Mixed Development WiFi Implementation

VoIP & IPTV Network Consulting


Telco / Enterprise

WiFi Offload Services

Hotspot 2.0 Integration

WiFi Roaming Integration

Metro WiFi / SmartCity Solutions

WiFi to Mobile Core Integration 

SD-WAN Consulting & Service Implementation

Disaster Recovery & Data Virtualisation

Corporate Guest WiFi Captive Portal

Multi-WAN Load Balancing

High Density WiFi Design & Implementation



Retail / f&b


TELco / enterprise


"The team was ever ready and responded fast to all request without any hesitation. The ASEAN Summit event wouldn’t have been a success without you guys contribution and support."


Aisyah Binte Ahmad 

Assistant Director of Events Management

Shangri-La Singapore

"I would like to extend my appreciation for the amazing work done by your employees."



Chinatown Seafood Restaurant

"From the bottom of my heart, THANK YOU for being there for me always, guiding me & for your patience. You have great team effort & synergy."

Sharen Saw

Account Manager - Enterprise Sales - Business Group

Singtel Limited


Contact Us

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Sigma.3 Singapore Office

33 Ubi Avenue 3

Vertex Tower A #08-37

Singapore 408868

Tel: +65-6471-7171

Sigma.3 Manila Office

Unit 2B, Trafalgar Plaza Bldg, 

HV Dela Costa Street, Salcedo Village, Makati 1127


Tel: +632 8252-1464 

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