For Sales: 888-800-4644  For Support: 973-777-7227                     “YOUR TECHNOLOGY MANAGED”
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Contact On-Site Technology

On-Site Technology (OST) is a managed IT and cybersecurity firm reachable at (973) 777-7227 or through the form on this page. Headquartered in Clifton, New Jersey with a Ft. Lauderdale, Florida office, OST delivers helpdesk, Microsoft 365, Copilot, cloud, CMMC compliance, VoIP, and penetration testing services on-site across Northern NJ, the NYC metro, Pennsylvania, and South Florida, and remotely to businesses across the United States. Response target on new inquiries is under four business hours.

Call us
(973) 777-7227
Sales
888-800-4644
Ft. Lauderdale FL
(954) 355-1122
Mon to Fri: 7am to 6pm ET  ·  Sat: 9am to 2:30pm ET
⚡ <4hr response target📍 2 offices: NJ & FL🗺️ On-site NJ · NY · PA · FL🌐 Remote nationwide
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    Our Offices

    Two physical locations anchor on-site coverage across the Northeast and South Florida. Remote delivery is nationwide.

    Headquarters

    Clifton, New Jersey

    164 Brighton Road, Clifton, NJ 07012

    (973) 777-7227

    On-site service area

    Bergen, Essex, Hudson, Passaic, Union, Morris, Middlesex, and Somerset Counties in Northern NJ; the five boroughs of NYC plus Westchester, Nassau, and Suffolk; Philadelphia metro and Lehigh Valley in PA.

    Southeast Office

    Ft. Lauderdale, Florida

    1451 W Cypress Creek Road, Suite 300, Ft. Lauderdale, FL 33309

    (954) 355-1122

    On-site service area

    Broward, Miami-Dade, and Palm Beach Counties across South Florida, covering Ft. Lauderdale, Miami, Pompano Beach, Boca Raton, West Palm Beach, Hollywood, Coral Gables, and Doral.


    What Can We Help You With?

    Most conversations start with one of these. Not sure which fits? Tell us what you’re solving and we can help route it.

    💻Managed IT ServicesFull-stack helpdesk, monitoring, and strategy.→🛡️Managed CybersecurityEDR, SOC, phishing defense, and response.→📧Managed Microsoft 365Licensing, tenant hardening, and adoption.→✨Microsoft CopilotRollout, governance, and Copilot Studio agents.→☁️Managed Cloud InfrastructureAzure and private cloud, fully managed.→📋CMMC ComplianceLevel 1 & 2 readiness and enclave build.→📞Managed VoIP PhonesHosted voice for multi-location teams.→🔍Penetration TestingExternal, internal, and web app pentests.→


    Frequently Asked Questions

    Quick answers to the questions we hear most often from first-time callers.

    How fast will On-Site Technology respond to my inquiry?

    During business hours (Mon to Fri, 7am to 6pm ET), the target response time on new inquiries is under four hours. Messages received after hours or on weekends are picked up first thing the next business morning. Existing managed-services clients with active contracts have a separate SLA tied to ticket severity, including after-hours and weekend coverage.

    Do you serve businesses outside New Jersey, New York, Pennsylvania, and Florida?

    Yes. Remote-delivered services (Microsoft 365, Copilot, SharePoint, managed cybersecurity, penetration testing, compliance advisory) are available to businesses across the United States. Services with a physical component (helpdesk dispatch, VoIP hardware install, security camera installation, drone operations) are delivered on-site within our four-state footprint, with deepest engineering capacity in Northern NJ, the NYC metro, Pennsylvania, and South Florida.

    Are you available after hours, on weekends, or in an emergency?

    Yes, for managed-services clients. Our standard staffed hours are Mon to Fri 7am to 6pm ET and Sat 9am to 2:30pm ET, but active clients have 24/7 emergency escalation paths documented in their service agreement. If you’re an existing client with an active incident, call (973) 777-7227 and follow the after-hours prompt. New-business inquiries received after hours will be routed the next business morning.

    What's the fastest way to reach OST for an emergency?

    Call (973) 777-7227 for the Clifton NJ office or (954) 355-1122 for the Ft. Lauderdale FL office. Voice is the fastest route for active outages, ransomware events, or suspected breaches. If you’re not yet a client but suspect a security incident, call 888-800-4644 and ask for incident response. The web form is appropriate for non-urgent inquiries, quote requests, and scoping conversations.

    Do I need to be an existing client to request a consultation?

    No. First conversations are free and no-pressure. We typically spend 20 to 30 minutes understanding your environment, what’s working, what isn’t, and where you want to be in 12 months. If it’s a fit on both sides, we’ll scope a proposal. If not, you’ll leave the call with useful context either way.

    Do you travel on-site, or do you support remotely?

    Both, depending on the work. Day-to-day helpdesk, Microsoft 365 administration, cybersecurity monitoring, cloud work, and compliance advisory are delivered remotely. On-site dispatch covers hardware installs, server refreshes, network cutovers, security camera installations, VoIP deployments, and incident response where physical access is needed. On-site coverage is anchored at our Clifton NJ and Ft. Lauderdale FL offices and extends across NJ, NY, PA, and South Florida.