Network Security Services
We design, deploy, and manage next-generation firewalls, intrusion detection systems, and secure network architectures that keep threats out and your business running without interruption.
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Trusted by 200+ Businesses Across India
Empowering Businesses with Smart IT & Security Solutions
Reliable IT infrastructure, advanced security systems and technology solutions to keep your business connected, protected and future-ready.
Join 200+ Happy Clients who Have increased
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About Trustnet
Discover Our Story
Kolkata's Leading IT Consultancy Built on Trust
Trustnet Consultancy LLP is a premier standalone IT company headquartered in Kolkata, dedicated to empowering businesses through state-of-the-art connectivity, collaboration, and security solutions. With 80+ seasoned IT professionals, we deliver technology that creates competitive advantage.
End-to-End IT Security
Firewall security services to cyber security service — we protect your digital infrastructure 24/7.
IT Networking & Infrastructure
Expert IT networking services — design, deployment, and management for enterprises and SMEs alike.
Smart Tech Installations
Smart classroom equipment, conference room AV solutions, and IP PA systems installed by certified experts.
What We Offer
360° IT Support That Covers All Your Business Needs
Ten core service pillars — hardened security, seamless networking, smart classrooms, powerful audio, and crystal-clear visual communication.
Cyber Security Service
Continuous monitoring, threat intelligence, vulnerability assessment, and incident response — all delivered by certified experts so you can focus entirely on your core business.
Learn MorePublic Address Systems
From IP PA systems to large-scale public announcement systems, we deliver clear, reliable audio for schools, hospitals, corporate campuses, and public spaces — with transparent pricing.
Learn MoreAudio Visual Solutions
Professional conference room AV solutions, boardroom displays, video conferencing setups, and integrated AV systems that elevate collaboration and transform your workspaces.
Learn MoreSmart Classroom Solutions
Complete digital smart classroom setups — interactive smart boards, smart TVs for classrooms, smart classroom equipment, and fully integrated learning environments that inspire engagement.
Learn MoreInfrastructure Services
Planning, deployment, and round-the-clock management for the IT infrastructure your office runs on — scoped to scale as you grow.
Learn MoreCloud Solutions
Migration, infrastructure management, and backup — cloud environments built to be secure, scalable, and easy to manage, not just fashionable.
Learn MoreSecurity and Surveillance
CCTV, biometric access control, and remote monitoring — office security services designed to deter threats before they become incidents.
Learn MoreHardware Services and Procurement
Servers, laptops, desktops, and networking equipment — sourced, installed, tracked, and supported through their entire working life.
Learn MoreCorporate Email Solution
Microsoft 365 and Google Workspace setup, migration, and spam protection — corporate email solutions managed end-to-end, not just switched on and left.
Learn MoreHome Automation Audit Service
Audit your current home automation setup. Know what all can be upgraded to ensure optimal efficiency to your busy lives. Made for high achiever who want a personalized home automation setup.
Contact UsFour Pillars That Set Us Apart from the Rest
Businesses across Kolkata and beyond choose Trustnet because we deliver on every promise — with precision, expertise, and genuine care.
Innovation
We continuously reshape technological boundaries — combining the latest IT networking services, smart classroom equipment, and cybersecurity tools to keep your business a step ahead.
Experience
20+ years of combined leadership and hands-on expertise across network security, AV solutions, and IT infrastructure — seasoned knowledge applied to every project.
Reliability
Our reputation is built on unwavering dedication to precision and transparency. We deliver on time, within budget, and to the highest quality standards — every time.
Technical Support
From smart board installation to firewall configuration — our technical support team resolves issues fast and keeps your systems performing at peak, long after go-live.
Our Process
From Consultation to Go-Live in 4 Steps
A streamlined delivery process that ensures your IT infrastructure is deployed correctly — the first time, every time.
1
Understand & Assess
We conduct a thorough assessment of your infrastructure, goals, and security requirements to map the right solution.
2
Design & Plan
Our engineers design a bespoke solution — smart classroom, IP PA system, or network security architecture — tailored precisely to you.
3
Deploy & Integrate
We execute a meticulous installation and integration — minimising downtime and ensuring seamless connectivity from day one.
4
Support & Optimise
Ongoing technical support, monitoring, and optimisation ensures peak performance and maximum value long-term.