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15 Best IT Support Companies in Charleston, SC (2026)

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    Kosten per lead ruim zes keer verlaagd voor Dutch Event Technology Company *
    Bereikte 13.000 doelgroepen en genereerde 400 kansen voor Swiss Sports Tech Provider *
    Conversiepercentage van Oekraïens IT-bedrijf verhoogd met 53,6% *
    Het aantal jaarlijks verworven klanten van de Amerikaanse Software Development Company is toegenomen door 400% *
    Meer dan 50 zakelijke kansen gegenereerd voor Britse architectuur- en ontwerpdienstenaanbieder *
    Kosten per lead ruim zes keer verlaagd voor Dutch Event Technology Company *
    Bereikte 13.000 doelgroepen en genereerde 400 kansen voor Swiss Sports Tech Provider *
    Conversiepercentage van Oekraïens IT-bedrijf verhoogd met 53,6% *
    Het aantal jaarlijks verworven klanten van de Amerikaanse Software Development Company is toegenomen door 400% *
    Meer dan 50 zakelijke kansen gegenereerd voor Britse architectuur- en ontwerpdienstenaanbieder *
    Kosten per lead ruim zes keer verlaagd voor Dutch Event Technology Company *
    Bereikte 13.000 doelgroepen en genereerde 400 kansen voor Swiss Sports Tech Provider *
    Conversiepercentage van Oekraïens IT-bedrijf verhoogd met 53,6% *
    Het aantal jaarlijks verworven klanten van de Amerikaanse Software Development Company is toegenomen door 400% *
    Meer dan 50 zakelijke kansen gegenereerd voor Britse architectuur- en ontwerpdienstenaanbieder *
    Kosten per lead ruim zes keer verlaagd voor Dutch Event Technology Company *
    Bereikte 13.000 doelgroepen en genereerde 400 kansen voor Swiss Sports Tech Provider *
    Conversiepercentage van Oekraïens IT-bedrijf verhoogd met 53,6% *
    Het aantal jaarlijks verworven klanten van de Amerikaanse Software Development Company is toegenomen door 400% *
    Meer dan 50 zakelijke kansen gegenereerd voor Britse architectuur- en ontwerpdienstenaanbieder *
    Kosten per lead ruim zes keer verlaagd voor Dutch Event Technology Company *
    Bereikte 13.000 doelgroepen en genereerde 400 kansen voor Swiss Sports Tech Provider *
    Conversiepercentage van Oekraïens IT-bedrijf verhoogd met 53,6% *
    Het aantal jaarlijks verworven klanten van de Amerikaanse Software Development Company is toegenomen door 400% *
    Meer dan 50 zakelijke kansen gegenereerd voor Britse architectuur- en ontwerpdienstenaanbieder *
    Kosten per lead ruim zes keer verlaagd voor Dutch Event Technology Company *
    Bereikte 13.000 doelgroepen en genereerde 400 kansen voor Swiss Sports Tech Provider *
    Conversiepercentage van Oekraïens IT-bedrijf verhoogd met 53,6% *
    AI Samenvatting
    Sergii Steshenko
    CEO & Co-Founder @ Lengreo

      Charleston businesses rely on IT support providers to keep users productive, protect networks, maintain cloud systems, and respond when technology fails. Local needs often combine remote help desk coverage with on-site support for offices, networks, devices, and infrastructure across Charleston, North Charleston, Mount Pleasant, Summerville, and the wider Lowcountry. Cybersecurity, Microsoft 365, backup and recovery, vendor management, and long-term IT planning are now common parts of the support relationship, not separate projects. The right service model depends on whether a business needs fully managed IT, co-managed support, flexible break-fix help, or specialized infrastructure expertise.

      1. LenGreo

      1. LenGreo

      Lengreo provides outsourced IT support and consulting for U.S.-based businesses that need help maintaining digital operations without expanding every technical function in-house. Its support scope includes website maintenance, digital infrastructure, system audits, web and application development, marketing technology setup, and ongoing technical operations. For Charleston companies, the model is most relevant when support needs are centered on websites, digital platforms, lead generation systems, and related business technology rather than local break-fix field service.

      The company combines technical execution with consulting, so teams can use LenGreo for a defined support function or integrate its specialists into an existing workflow. Its broader experience across software, SaaS, cybersecurity, healthcare, and eCommerce also suits businesses whose IT support overlaps with customer-facing digital systems.

      Key Facts

        • Best for: Outsourced digital operations and technical support for U.S. businesses
        • Core services: IT support, IT consulting, website maintenance, system audits, web and application development, ongoing technical operations
        • Coverage: Remote support for U.S.-based businesses, including Charleston teams
        • Notable strength: Combines technical support with web, marketing technology, and digital operations expertise

      Contactgegevens

      Onze gevallen
      Platform voor abonnementsdiensten voor makers
      Platform voor abonnementsdiensten voor makers
      B2B-bedrijvengidsplatform
      B2B-bedrijvengidsplatform
      LOGISTIEKPLATFORM OP MAAT
      LOGISTIEKPLATFORM OP MAAT
      2. Cantey Tech Consulting

      2. Cantey Tech Consulting

      Cantey Tech Consulting has a North Charleston office and provides managed IT, IT support, cybersecurity, compliance, cloud services, networking, and consulting. Its Charleston support offering includes a 24/7 help desk, on-site assistance, cloud support, vCIO guidance, vendor management, backup, and disaster recovery. That mix makes it relevant to organizations that want one provider handling both daily user issues and longer-term technology planning.

      The company serves businesses across South Carolina and other southeastern markets, with published experience in sectors such as legal, healthcare, education, manufacturing, and professional services. Charleston organizations that need a local field presence alongside remote support can use Cantey for both recurring managed services and project-based technology work.

      Key Facts

      • Best for: Businesses wanting local field support plus a 24/7 help desk
      • Core services: Managed IT, IT support, cybersecurity, compliance, cloud, networking, backup and disaster recovery
      • Opgericht: 2007

      Contactgegevens

      • Website: canteytech.com
      • Phone: (843) 892-6221
      • Address: 2702 Azalea Dr, North Charleston, SC 29405, United States
      • LinkedIn: www.linkedin.com/company/cantey-technology

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        3. Charleston Technology Group

        3. Charleston Technology Group

        Charleston Technology Group is a Charleston-based managed IT provider supporting local businesses with on-site and remote support, cloud services, network security, backup and disaster recovery, Office 365, VoIP, and infrastructure consulting. Its service model covers both day-to-day support and larger projects such as cloud migrations, network design, hardware installation, and communications upgrades.

        The company is a practical fit for small and midsize organizations that want a local technology team able to work directly with office infrastructure while also managing cloud systems and remote support. Its Charleston office and focus on businesses in the city and surrounding areas give it a clear local-service profile.

        Key Facts

        • Best for: Local SMBs needing managed IT, cloud, and on-site support
        • Core services: Managed IT, cloud services, network security, backup and disaster recovery, VoIP, Office 365
        • Opgericht: 2019

        Contactgegevens

        • Website: chstechgroup.com
        • Email: [email protected]
        • Phone: (843) 252-0092
        • Address: 460 King Street St 200 Charleston, SC 29403
        • LinkedIn: www.linkedin.com/company/chstechgroup
        • Facebook: www.facebook.com/chstechgroup
        • Twitter: x.com/chstechgroup
        4. Stasmayer

        4. Stasmayer

        Stasmayer operates from North Charleston and provides managed IT services, IT support, cybersecurity, compliance, cloud and Microsoft 365 support, server support, backup, infrastructure services, and IT strategy. It works with businesses that want an outsourced IT department as well as organizations that need co-managed support alongside an internal technology team.

        The company has operated since 2003 and serves businesses throughout the Carolinas. Its Charleston-area presence is useful for organizations that need a mix of remote troubleshooting, strategic planning, security work, and hands-on support for local systems. Stasmayer also publishes current services around AI, compliance, and Microsoft environments, which broadens its role beyond basic help desk coverage.

        Key Facts

        • Best for: Managed or co-managed IT support for established businesses
        • Core services: IT support, managed services, cybersecurity, compliance, Microsoft 365, cloud, backup, IT strategy
        • Opgericht: 2003

        Contactgegevens

        • Website: stasmayer.com
        • Phone: (843) 612-1206
        • Address: 3815 West Montague Avenue Suite 200 North Charleston, SC 29418
        • LinkedIn: www.linkedin.com/company/stasmayer
        • Instagram: www.instagram.com/stasmayerit
        • Facebook: www.facebook.com/StasmayerInc
        • Twitter: x.com/stasmayer
        5. AT-NET Services

        5. AT-NET Services

        AT-NET Services provides managed IT, cybersecurity, infrastructure, help desk, network services, business continuity, and technology consulting, with a Charleston office on Faber Place Drive. The company supports small and midsize businesses and combines managed services with a strong managed security focus, including audits, compliance-oriented work, backup, and incident support.

        Its multi-location footprint can suit Charleston organizations that operate in more than one market but still want access to a local office. AT-NET also supports infrastructure and communications projects, so it can cover both routine user support and broader network, cloud, security, and modernization requirements.

        Key Facts

        • Best for: SMBs that want managed IT with a strong cybersecurity focus
        • Core services: Managed IT, help desk, cybersecurity, infrastructure, network services, backup and business continuity
        • Opgericht: 1999

        Contactgegevens

        • Website: expertip.net
        • Email: [email protected]
        • Phone: (844) 506-2116
        • Address: 3401 St. Vardell Lane, Suite D. Charlotte, NC 28217
        • LinkedIn: www.linkedin.com/company/at-net-services-inc-
        • Twitter: x.com/ATNETServices
        6. e-vos

        6. e-vos

        e-vos is a Charleston IT company offering remote and on-site support, cloud services, cybersecurity, business continuity, disaster recovery, and network and computer support. The company has operated since 2011 and positions its support around small businesses, including organizations that want break-fix assistance without committing to a traditional monthly managed services contract.

        That model can suit Charleston businesses with intermittent support needs, smaller internal teams, or an existing IT function that occasionally needs extra capacity. e-vos also supports Microsoft 365 and remote-work environments, making it relevant for businesses whose staff work across office and home locations.

        Key Facts

        • Best for: Small businesses seeking flexible remote and on-site IT support
        • Core services: IT support, cloud, cybersecurity, business continuity, disaster recovery, Microsoft 365
        • Opgericht: 2011

        Contactgegevens

        • Website: e-vos.com
        • Email: [email protected]
        • Phone: (843) 410-6396
        • Address: 109 Wappoo Creek Drive Ste 2-A Charleston, SC 29412
        7. TeamLogic IT Charleston

        7. TeamLogic IT Charleston

        TeamLogic IT Charleston is a local franchise location providing managed IT, cybersecurity, consulting, cloud, network, and end-user support for organizations in the Charleston area. The local business launched in 2026 and operates from North Charleston, combining the national TeamLogic IT service framework with a local family and veteran-owned team.

        Its positioning is especially relevant to small and midsize organizations in regulated or security-sensitive sectors that want ongoing technology management rather than occasional repair work. The local office can support Charleston businesses while the broader TeamLogic network provides access to standardized service processes and wider technical resources.

        Key Facts

        • Best for: SMBs seeking managed IT and cybersecurity from a local franchise team
        • Core services: Managed IT, cybersecurity, IT consulting, cloud, network and user support
        • Founded locally: 2026

        Contactgegevens

        • Website: www.teamlogicit.com
        • Email: [email protected]
        • Phone: 843-823-7003
        • Address: 1904 Savannah Highway Charleston, SC 29407
        • LinkedIn: www.linkedin.com/company/teamlogic-it
        • Facebook: www.facebook.com/teamlogicitonline
        • Twitter: x.com/TeamLogicIT
        8. ADVYON

        8. ADVYON

        ADVYON provides outsourced IT support, managed technology, cybersecurity, cloud integrations, VoIP, structured wiring, and consulting for small and midsize businesses in Charleston, Summerville, Mount Pleasant, and the wider Lowcountry. Its service scope also includes web and marketing work, which can be useful for smaller organizations that prefer one partner across internal technology and customer-facing digital systems.

        The company has operated since 2008 and maintains a local presence in the Charleston region. Its IT model emphasizes project management and experienced engineering support, with services covering both everyday technical issues and infrastructure projects such as network closets, cloud systems, communications, and physical cabling.

        Key Facts

        • Best for: Lowcountry SMBs combining managed IT with infrastructure and communications needs
        • Core services: IT support, managed IT, cybersecurity, cloud, VoIP, structured wiring, consulting
        • Coverage: Charleston, Summerville, Mount Pleasant, and the Lowcountry
        • Opgericht: 2008

        Contactgegevens

        • Website: advyon.com
        • Phone: 843-324-5824
        • Address: 100 Seven Oaks Ln, Summerville, SC 29485
        • LinkedIn: www.linkedin.com/company/advyon-business-technology-consulting
        • Instagram: www.instagram.com/advyon_consulting
        • Twitter: x.com/advyon
        9. NetTec NSI

        9. NetTec NSI

        NetTec NSI has served Charleston-area businesses since 1995 and provides IT support, managed services, help desk, cybersecurity, Microsoft 365, Azure, cloud hosting, backup, compliance support, and IT consulting. The company works as a virtual IT department for small and midsize organizations and supports both cloud and on-premise Microsoft environments.

        Its long local operating history and Charleston office make it a practical option for companies that need general business IT management with a strong Microsoft orientation. NetTec NSI also offers remote monitoring and maintenance, virtual desktop services, audits, and data protection, so support can extend from user issues to infrastructure and security planning.

        Key Facts

        • Best for: SMBs using Microsoft environments and needing a virtual IT department
        • Core services: IT support, managed services, help desk, cybersecurity, Microsoft 365, Azure, backup, consulting
        • Opgericht: 1995

        Contactgegevens

        • Website: nettecnsi.com
        • Email: [email protected]
        • Phone: 843.881.4651
        • Address: 460 King Street Suite 200 Charleston, SC, 29403
        • LinkedIn: www.linkedin.com/company/nettecnsi
        • Facebook: www.facebook.com/nettecnsi
        • Twitter: x.com/nettecnsi
        10. Bluetowne

        10. Bluetowne

        Bluetowne is based in Mount Pleasant and provides IT management and support, infrastructure services, cybersecurity, cloud migration, business continuity, automation, disaster recovery, and advanced networking. Its current positioning places particular emphasis on energy, architecture, engineering, construction, and other technical organizations where uptime, security, and infrastructure reliability are important operational concerns.

        The company can act as an outsourced IT department or supplement an internal team. That makes it relevant to Charleston-area organizations with complex infrastructure, project environments, or security requirements that go beyond desktop support. Bluetowne also works with automation and AI adoption, giving it a broader technology operations role for clients modernizing workflows.

        Key Facts

        • Best for: Technical, AEC, energy, and industrial organizations with infrastructure-heavy IT needs
        • Core services: IT management, infrastructure, cybersecurity, cloud, business continuity, networking, automation
        • Opgericht: 2001

        Contactgegevens

        • Website: www.bluetowne.com
        • Email: [email protected]
        • Phone: 843.352.0130
        • Address: 736 Coleman Blvd, Suite 220 Mount Pleasant, SC 29464
        11. NetCertPro

        11. NetCertPro

        NetCertPro is a Lowcountry managed IT provider established in 2000, with services covering managed IT, cybersecurity, network security, disaster recovery, backup, Microsoft 365, VoIP, cabling, co-managed IT, and compliance support. The company is headquartered in Moncks Corner and lists additional Lowcountry coverage, making it relevant to businesses across the Charleston tri-county area.

        Its service mix spans both everyday support and hands-on infrastructure work such as phone systems, cabling, network installations, access control, and security systems. This makes NetCertPro a fit for organizations that want a local provider able to manage software, devices, networks, and physical technology infrastructure under one relationship.

        Key Facts

        • Best for: Lowcountry businesses needing managed IT plus hands-on network and infrastructure work
        • Core services: Managed IT, cybersecurity, backup, disaster recovery, Microsoft 365, VoIP, cabling, co-managed IT
        • Location: Moncks Corner and the Charleston Lowcountry
        • Opgericht: 2000

        Contactgegevens

        • Website: www.netcertpro.com
        • Phone: (843) 606-6255
        • LinkedIn: www.linkedin.com/company/netcertpro
        12. Sparrow Technology Group

        12. Sparrow Technology Group

        Sparrow Technology Group is a locally owned Mount Pleasant provider offering managed IT, cybersecurity, vendor management, cloud integration, disaster recovery, monitoring, and technical support. It serves businesses across the Charleston tri-county area and lists experience with professional services, legal, healthcare, manufacturing, construction, and local government organizations.

        The company is a smaller local option for businesses that want direct access to an IT partner while still covering the standard MSP responsibilities of monitoring, security, support, cloud systems, and continuity planning. Its PCI compliance and cybersecurity services also make it relevant to organizations that handle payment data or other sensitive business information.

        Key Facts

        • Best for: Local organizations seeking a smaller managed IT and cybersecurity partner
        • Core services: Managed IT, cybersecurity, cloud integration, vendor management, monitoring, disaster recovery
        • Notable focus: Professional services, healthcare, manufacturing, construction, and local government

        Contactgegevens

        • Website: sparrowtg.com
        • Email: [email protected]
        • Phone: 1-800-722-7906
        • Address: 507 Front St, Summerville, SC 29486
        • LinkedIn: www.linkedin.com/company/sparrow-technology-group
        • Instagram: www.instagram.com/sparrowtechgroup
        • Facebook: www.facebook.com/SparrowTechGroup
        13. Computer Consultants Group, Inc.

        13. Computer Consultants Group, Inc.

        Computer Consultants Group, Inc. is a Charleston-based IT outsourcing and support company founded in 1995. It supports business computers, networks, cloud services, Microsoft 365, Google Workspace, security, web hosting, remote support, and remote monitoring and management. The company positions itself as an outsourced in-house IT department for small businesses in the Charleston market.

        CCG is particularly relevant to smaller organizations that want ongoing maintenance and user support without building a full internal IT staff. Its published capabilities cover both Mac and Windows environments, which can be useful for offices running mixed-device fleets alongside cloud productivity platforms.

        Key Facts

        • Best for: Small businesses wanting an outsourced local IT department
        • Core services: Computer support, networks, cloud services, Microsoft 365, Google Workspace, remote support, monitoring
        • Location: 869 Century Pl, Charleston, SC 29412
        • Opgericht: 1995

        Contactgegevens

        14. Will Fixit Solutions

        14. Will Fixit Solutions

        Will Fixit Solutions provides business IT support in Mount Pleasant and the Charleston area, with both managed IT and hourly support options. Its business services cover workstations, servers, networks, troubleshooting, and general technology support, with service coverage extending across Mount Pleasant, Charleston, Daniel Island, North Charleston, West Ashley, and Summerville.

        The option to choose managed or hourly assistance makes the company useful for small businesses that are not ready for a full MSP contract but still need access to local technical help. Its focus is commercial support, separating the business service from consumer-oriented computer repair work.

        Key Facts

        • Best for: Small businesses choosing between managed and hourly local IT support
        • Core services: Business IT support, managed IT, workstation and server support, networking, troubleshooting
        • Coverage: Charleston, Mount Pleasant, Daniel Island, North Charleston, West Ashley, Summerville

        Contactgegevens

        • Website: www.willfixitsolutions.com
        • Email: [email protected]
        • Phone: (843) 284-9795
        • Address: 1136 Hungryneck Blvd, Suite D Mount Pleasant, SC 29464
        15. Portside Technology

        15. Portside Technology

        Portside Technology is a Charleston-based IT services company focused on managed IT, workplace infrastructure, technology support, cloud data storage, networking, backup, and recovery. It primarily serves small and midsize businesses in the South Carolina Lowcountry and can take responsibility for day-to-day technical operations or larger infrastructure projects from design and procurement through installation and support.

        Founded in Charleston in 2020, Portside expanded its local operations at the Charleston Tech Center and combined its managed services capabilities with the former zTech team. The result is a locally based provider with both support technicians and infrastructure specialists, useful for organizations that need ongoing IT management and office technology projects under the same vendor.

        Key Facts

        • Best for: Lowcountry SMBs needing managed IT plus workplace infrastructure projects
        • Core services: Managed IT, technology support, workplace infrastructure, cloud storage, networking, backup and recovery
        • Opgericht: 2020

        Contactgegevens

        • Website: portsidetechnology.com
        • Email: [email protected]
        • Phone: (843) 284-7105
        • Address: 997 Morrison Dr Charleston, SC 29203
        • LinkedIn: www.linkedin.com/company/portside-technology
        • Facebook: www.facebook.com/PortsideTechnology
        • Instagram: www.instagram.com/portsidetechnology

        Conclusie

        IT support in Charleston increasingly combines user assistance with cybersecurity, cloud management, backup, compliance, and strategic planning. Businesses should match the service model to the way their teams actually work, including the need for on-site response, after-hours coverage, internal IT collaboration, or support across multiple locations. Clear service boundaries and escalation paths matter as much as the technology stack because they determine how quickly issues move from detection to resolution. Security and recovery capabilities also deserve close review, especially where a provider will manage identity, endpoints, networks, or business-critical data. For growing organizations, the strongest long-term fit is usually a provider whose support model can scale without forcing a complete change in tools or operating processes.

         

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