Complete IT & Server Partner

Empower Your Business With Smart Technology.

From bespoke Web Design and Call Center Dialer Servers to robust Networking and complete Windows Server administration. SR Enterprise delivers total IT infrastructure support tailored for modern operations.

Enterprise Infrastructure

We bridge the gap between digital software and physical hardware, offering a unified umbrella for your company's network, domains, and web presence.

  • Web & Software Development
  • Windows Server & AD Setup
  • Office LAN/WAN Networking

What We Do

Comprehensive IT Solutions

From crafting stunning websites to deploying secure Windows Server domains, our end-to-end services ensure your business runs flawlessly.

Web Design & Development

We build fast, responsive, and beautiful corporate websites, enterprise portals, and progressive web apps tailored to your brand identity.

  • Corporate Websites
  • E-Commerce Platforms
  • UI/UX Design & Branding

Windows Server Solutions

End-to-end administration for Windows Server 2022/2025. We handle Domain Controllers, Active Directory, Hyper-V virtualization, and seamless user policy management.

  • Active Directory & Domain Setup
  • Hyper-V Virtualization & Scaling
  • Server Security & Policy Enforcement

Call Center Dialer Servers

Complete support for outbound/inbound contact centers. We provide dialer server deployment, VoIP configuration, and 24/7 technical support.

  • Auto/Predictive Dialer Setup
  • SIP Trunk & VoIP Integration
  • Real-time Monitoring & Tech Support

Networking Infrastructure

Robust on-premise network design. We handle LAN/WAN cabling, secure routing, managed switches, and complete corporate office connectivity solutions.

  • Office Network Cabling & Racks
  • Firewall Configurations
  • Managed Wi-Fi & IT Maintenance

Software Products

Live System Demos

In addition to infrastructure services, explore our proprietary, ready-to-deploy enterprise portals.

Attendance & HR

Presenex HRMS

A complete personnel management engine providing full visibility over workforce shifts, centralized attendance tracking, leave validations, and staff records tailored for distributed teams.

Open presenex.in
Finance & Invoicing

BillNinja Billing

A high-capacity invoicing and customer ledger system built explicitly to maintain clean ledgers, tax records, and automated payment tracking with zero manual delay.

Open bill.billninja.in
About SR Enterprise

Your Unified IT Engineering Partner in Kolkata.

We eliminate the hassle of dealing with multiple vendors. SR Enterprise provides a singular, expert touchpoint for Web Development, Networking, Dialer Server setups, and rigorous Windows Server domain deployments.

Local & Reliable Support

Fast on-site visits across Kolkata for hardware, network troubleshooting, and server maintenance.

End-to-End Execution

From coding your corporate website to deploying robust Windows Server environments and configuring dialer servers.

Our Tech Stack & Expertise

Web Dev
HTML, CSS, PHP, React
Win Server
Active Directory, Hyper-V
Telecom
Dialer Servers, VoIP, SIP
Networks
LAN, Routing, Firewalls

Get in Touch

Ready to Upgrade Your IT infrastructure?

Whether you need a new corporate website, a call center dialer server, or a full office networking and Windows Server setup, we are here to help.

Corporate Office

Netaji Nagar, Regent Estate
Kolkata 700092, West Bengal, India

Email Communications

info@billninja.in