Technology That
Works. Support
That Answers.
The Duncan Consultancy brings together experienced IT professionals to deliver managed services, network infrastructure, CCTV, VoIP, and cloud solutions for businesses across Antigua. Senior oversight. Specialist execution. Local accountability.
End-to-End IT Services
for Caribbean Business
From day-to-day support to full infrastructure builds — our team handles the technology so you can focus on running your business.
Managed IT Support
Proactive monitoring, helpdesk support, software updates, user management, and on-site response. Your technology, kept running — without you having to think about it.
Network Infrastructure
Structured cabling, fibre optic installation, managed switches, VLAN segmentation, Ubiquiti/pfSense deployment, and enterprise Wi-Fi design and implementation.
CCTV & Security Systems
IP camera installation, NVR configuration, Milestone VMS deployment, and remote viewing setup for commercial properties, marinas, gated communities, and residences.
VoIP & Communications
Business phone systems built on 3CX and cloud PBX platforms. Extensions, auto-attendants, mobile integration, SIP trunking, and failover resilience for uninterrupted service.
Microsoft 365 & Cloud
Licensing, migration, email configuration, SharePoint, Teams, and ongoing M365 administration. Domain management, DNS, and Azure Active Directory included.
IT Consulting & Projects
Infrastructure audits, technology roadmaps, smart building integration, software procurement, and full project management for new installations and major upgrades.
What Sets TDCS Apart
Senior Leadership, Specialist Delivery
Every engagement is overseen by an experienced principal consultant backed by a network of vetted specialists. You get the right expertise for the job — every time.
Local Presence, Real Accountability
We're based in Antigua. We know the local infrastructure, the regional ISPs, and the realities of doing business in the Eastern Caribbean. No remote-only relationships.
Business-First, Not Tech-First
Our recommendations are shaped by your operations and budget. Plain language, clear documentation, no unnecessary complexity — just solutions that work for your business.
Broad Capability, Consistent Standards
From network cabling to cloud migrations to VoIP deployments — TDCS covers the full IT stack. Consistent quality and professional documentation across every engagement.
Ready to talk about your IT needs?
Whether you have an active issue, are planning an upgrade, or simply want to explore what managed IT looks like for your business — reach out directly. No sales pitch, no obligation.
Built for Antigua's
Business Community
We serve a range of sectors across Antigua and the Eastern Caribbean, each with distinct IT requirements and operational environments.
Marina & Marine
POS systems, marina management software, CCTV, and complex multi-VLAN networks
Real Estate
CRM, email platforms, document management, and field connectivity for agents
Legal & Professional
Secure workstations, email compliance, backups, and remote access for practices
Investment Services
Reliable, secure infrastructure for financial advisory and investment operations
Property Management
Community networks, access control, CCTV, and meter management for gated developments
Trade & Services
Workstation management, inventory systems, and connectivity for trade businesses
Community Development
Large-scale mixed-use networks, utility metering, and smart infrastructure
Your Business
If your operations depend on technology, we should talk.
Antigua IT Expertise,
Professionally Delivered
The Duncan Consultancy (TDCS) is an Antigua-based IT managed services firm led by Anthony Duncan, an IT professional with deep experience across network infrastructure, Microsoft cloud platforms, security systems, and enterprise software environments.
TDCS operates on a principal-led, consultant-supported model: Anthony oversees every client relationship and project — bringing senior-level strategic direction and quality assurance — while drawing on a trusted network of specialist consultants to ensure the right expertise is applied to every technical challenge. This means clients benefit from both personal accountability and broad technical capability, without compromise on either.
Our clients range from multi-site marina operations and legal practices to real estate agencies and gated community developments across Antigua and the Eastern Caribbean. What they share is a need for IT support that is responsive, reliable, and built around how their business actually operates — not a generic service package.
📍 Location
Genip Lane, St. John's, Antigua and Barbuda. On-site services delivered across Antigua with regional reach across the Eastern Caribbean.
🕐 Availability
Business hours support with priority response for managed clients. After-hours availability for critical issues. We don't leave you waiting.
📋 How We Engage
We offer monthly retainer agreements for ongoing managed services and project-based engagements for one-time installations, migrations, and builds. All work is delivered with professional scope documentation and clear accountability.
🤝 Our Standard
Clear communication. Honest pricing. No unnecessary upselling. Every engagement — whether handled in-house or by a specialist — is delivered to the same quality standard, overseen by TDCS from start to finish.
Let's Talk About
Your IT Needs
The fastest way to get started is a direct message or call. No forms to wade through, no automated responses. You'll reach our team directly — ready to understand your situation and explain what TDCS can do for you.
Service Information
🚨 Urgent IT Issue?
Systems down or facing a critical IT failure? Don't wait — call or WhatsApp immediately. Managed clients receive priority response around the clock.
📞 Call Now for Urgent Support