Business Details
31 Years
experience
Emergency
services
Your Trusted IT Partner for Secure, Scalable Solutions
NetTec NSI has been a trusted provider of comprehensive IT solutions since 1995, serving businesses in Charleston, Mount Pleasant, Bristol, and surrounding areas. As a Microsoft Partner since 1997, we specialize in cloud computing, cybersecurity, managed services, and network infrastructure, leveraging decades of technical expertise to deliver secure, scalable technology solutions. Our team of certified professionals prioritizes client success through proactive system maintenance, innovative problem-solving, and 24/7 support.We hold multiple Microsoft competencies, including Security Solutions and Networking Infrastructure, and maintain partnerships with industry leaders to ensure cutting-edge service delivery. With a focus on eliminating IT disruptions, we empower clients to concentrate on core business growth while we handle technology operations. Our commitment to community extends through partnerships with organizations like Habitat for Humanity and Rotary International, reflecting our values of integrity and service excellence.
Services
Managed IT Services
Cyber Security
Cloud Computing
Network Assessment
Remote Desktop
IT Auditing
Microsoft Office 365
Azure Solutions
Help Desk Support
Data Backup
Details
- Year established: 1995
Highlights and features
- 30+ years managing on-premise and cloud networks
- Microsoft Partner with Security Solutions competency
- 24/7 help desk support for urgent technical issues
- Cybersecurity-first approach in all system implementations
- Proven success migrating 100+ businesses to cloud platforms
Associations and certifications
- Microsoft Certified Partner
- Sophos Certified Engineer
What people say
24/7 responsive support
Seamless cloud migration
Proactive cybersecurity
Business growth enablement
Reliable long-term partnership
Services
Managed IT Services
Our managed services ensure continuous monitoring, maintenance, and optimization of business technology infrastructure. We handle system updates, security patches, and performance tuning to prevent disruptions. Clients benefit from predictable costs, reduced downtime, and access to expert support for both cloud and on-premise environments.
Cyber Security
We implement comprehensive cybersecurity frameworks to protect against data breaches and cyber threats. Services include firewall configuration, intrusion detection, employee training, and compliance audits. Our proactive approach secures networks, endpoints, and cloud environments while maintaining operational efficiency for Charleston-based businesses.
Cloud Computing
As Microsoft Cloud partners, we design and manage cloud infrastructure using Azure Virtual Desktop and Office 365 platforms. Our solutions enable remote access, scalable resources, and cost-effective technology management. Clients gain flexibility through hybrid cloud environments that integrate seamlessly with existing systems.
Remote Desktop Services
Our Desktop Co-op service provides secure remote access to business applications and data since 2002. Users can access updated systems from any location while reducing hardware costs. This cloud-based solution includes automatic updates, centralized management, and enterprise-grade security for distributed teams.
IT Auditing
We conduct comprehensive IT audits evaluating network infrastructure, cloud services, and vendor contracts. Our assessments identify vulnerabilities, inefficiencies, and compliance gaps, followed by actionable recommendations. Businesses receive detailed reports to optimize technology investments and strengthen security posture.
People
Joe Rainero
Business Owner/Entrepreneur/IT Professional
With 30+ years managing cloud and on-premise networks, Joe is a Microsoft Certified Systems Engineer and Sophos Certified Engineer. He has led major system migrations and cloud service implementations since founding NetTec NSI in 1995. His technical expertise spans cybersecurity, data analysis, and systems management.
Shaun Peterson
System Engineering
Shaun brings 18+ years of IT experience with Microsoft and Sophos certifications. Specializing in Azure Virtual Desktop deployment and cybersecurity enhancements, he focuses on optimizing network performance and cloud migration strategies. His technical skills include Windows systems management and enterprise cloud solutions.
Questions
What IT services does NetTec NSI offer?
We provide managed IT services, cybersecurity solutions, cloud computing, network assessments, remote desktop services, Microsoft Office 365 migration, Azure solutions, help desk support, and data backup.
Which industries do you serve?
We specialize in construction, healthcare, education, manufacturing, CPA firms, small businesses, and technology companies across Charleston, Bristol, and surrounding regions.
Are you Microsoft-certified?
Yes, we've been a Microsoft Partner since 1997 with Security Solutions and Networking Infrastructure competencies, plus Sophos Certified Engineer accreditation.
Do you offer 24/7 IT support?
Yes, our help desk provides 24/7 technical support to resolve urgent issues and minimize business downtime for Charleston and Tri-cities clients.
How do you handle cybersecurity?
We implement enterprise-grade security measures across all systems, with dedicated cybersecurity services that include threat prevention, network monitoring, and data protection protocols.
Can you assist with cloud migration?
Yes, we specialize in migrating businesses to Microsoft Azure and Office 365 platforms, ensuring seamless transitions with zero downtime for critical operations.
Reviews (6)
John Crompton
Jul 29, 2020
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Outstanding Company was able to help out with our computer problems .I highly recommend NetTec NSI to help with your business!!
Lance Ogren
Aug 22, 2019
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When I opened my business I contacted NetTec to set up all my computers. They made it very easy to schedule an appointment and their staff was exceptionally helpful in explaining how everything works in layman terms. Their support has been profound in helping me focus on business instead of my technological needs. I highly recommend them.
Thomas Coburn
Jul 18, 2019
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Every time I've needed them their employees are always so nice. They offer a truly unique and custom security plan for local businesses.
Troy Pusateri
Jan 03, 2019
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Great team, great service, great company. Joe and his team at NetSec NSI are as professional as they come. They helped us on a very short notice with a huge obstacle we needed to overcome, and Joe and his team delivered. I would highly suggest using NetTec NSI for any and all your IT needs. Thank you NetTec for everything !
Lou Mello
Jan 01, 2019
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I have been working with NetTec NSI for many years and really appreciate their knowledge and willingness to help with any problem. I have texted urgently in a crisis and always received help and recommendations about options available to me. Although I manage a one person operation, I know that they are there for me just as they are for a larger company. I hghly recommend them.
Kevin Shuler
Sep 05, 2018
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Great people, great service all the time! Very knowledgeable and easy to work with. So happy to have been working with Joe and his team for more than 5 years!
