About Us
Sigma IT is a New Zealand IT services company focused on delivering reliable, secure, and scalable technology solutions for small and medium businesses.
The company was founded by Donald Singh and Hamish Leys, experienced technology professionals who previously worked together delivering IT and Technology solutions across Auckland businesses.
After many years working within the industry, they established Sigma IT with a clear goal:
Provide straightforward, dependable IT services without unnecessary complexity.
Sigma IT focuses on what matters most to businesses:
• keeping systems running
• protecting business data
• enabling staff productivity
• providing responsive support
By combining proactive monitoring, modern cybersecurity tools, and deep technical experience, Sigma IT acts as a trusted technology partner for its clients.
Sigma IT – Your Total Tech Solutions Partner.
Donald Singh
Hamish Leys
What we do
Managed IT Services
Proactive monitoring, updates, and support to keep your systems running at peak performance. Choose from Starter, Advanced, or Premium plans for the right level of coverage — all with predictable monthly costs.
Cybersecurity
Protect your business from evolving threats with next-generation antivirus, DNS protection, and employee security awareness training. Stay safe from ransomware, phishing, and data breaches without slowing down productivity.
Cloud Solutions
Flexible Microsoft Azure hosting, Microsoft 365, and secure terminal servers. Scale as you grow, reduce capital costs, and empower your team with anywhere access to files and applications.
Business Communications
Stay connected with high-speed fibre broadband, VoIP phone systems, and unified messaging. Our all-in-one solutions reduce costs, simplify management, and ensure your team can work from anywhere.
Backup & Data Protection
Safeguard what matters most with cloud backups powered by Dropsuite and Veeam. Automatic backups, unlimited storage, and fast recovery ensure your business stays resilient — even when the unexpected happens.
24/7 System Monitoring
We continuously monitor your systems to detect issues before they cause downtime.
Networking & Hardware
Enterprise-grade WiFi, firewalls, and premium devices from HP, Apple, and leading brands. From secure network infrastructure to high-performance endpoints, we deliver reliable solutions that keep your business connected.
Helpdesk Support
Our technicians are available to assist your team quickly when problems arise.
“Sigma IT empowers businesses across New Zealand with secure, reliable, and future-ready technology solutions. From IT support and cybersecurity to unified communications. we provide everything you need to stay connected and protected.”
We keep your business running by managing your IT systems, protecting your data, and supporting your staff.
What Our Clients Say
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Book a business consultation today and discover how Sigma IT can streamline and secure your IT
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