Empowering Your Business with Expert IT Infrastructure Management, Cloud Solutions, and Cybersecurity Excellence
Managed Services
Our expert IT team provides comprehensive managed services, solutions that deliver results, and world-class support to ensure seamless operations, future growth, and competitive advantage for your business.
Cloud Services
Our comprehensive cloud services enable effective application integration, storage, and security, supporting businesses at any stage of their cloud migration journey with assessment, strategic planning, migration, and management services.
IT Security Solutions
We safeguard businesses against diverse security threats by adhering to NIST and CIS standards and guidelines, ensuring regulatory compliance, and enhancing customer trust by implementing robust cybersecurity policies and controls.
Consulting & Projects
Our team of IT experts is adept at managing a wide range of IT projects ranging from strategic planning, disaster recovery, cloud migration, IT asset management, server and storage deployments, cloud-based VoIP and more.
The Leader in Managed IT Services for Connecticut, Massachusetts, and Rhode Island Businesses.
At SII, we provide customized tech solutions to meet any business need. Our experts integrate seamlessly with your team, leveraging cutting-edge technology to drive business results. Partnering with us means benefiting from over 30 years of experience addressing IT network needs, including cybersecurity, cloud computing, and network infrastructure management.
Our Processes
Our unique processes distinguish us from competitors. Drawing on our extensive experience with various network challenges and our long-standing presence in the industry, we’ve developed efficient, well-defined processes that maximize Return on Investment.

Industries We Serve
At SII, we focus on serving small and medium-sized enterprises (SMEs) across diverse industries. Our expertise extends to Healthcare, Legal Services, Accounting & Financial. Services, Architectural & Engineering Firms, and more.
Healthcare
Our team is well-versed in HIPPA compliance requirements and has the experience and expertise to ensure your healthcare facility’s network is seamlessly available 24/7 to meet critical patient and staff needs.
Legal
Our team understands how important it is that your attorneys, paralegals, and administrative staff have immediate access to client information while safeguarding their privacy and ensuring data security.
Accounting & Financial
Our team has extensive experience working with accounting, financial services, and wealth management firms. We understand the need for seamless integration of applications, secure data, and regulation compliance.
Architectural & Engineering
Our team excels in strategically designing and managing IT networks that seamlessly integrate applications, facilitate access to large data files, and prioritize security.