About Us
London's Dependable IT Support Company
Located in the heart of The City of London, Dunsi is your “one stop shop” for reliable business IT support. Our mission is to provide a personal and reliable service acting as an extension of your own team.
As a top IT support provider, our support engineers deliver exceptional customer service and technical expertise. We specialize in managed IT support, network security, and cyber security solutions, ensuring your business continuity and protection against cyber threats.

Mark Tiernan, CEO
We don’t believe in long contracts - that’s not our way. Instead, we have a strong focus on building lasting relationships that are based on trust.
Why Choose us
Expert IT Support in the Digital Labyrinth
Swift Support Response
Benefit from our average call queue time of just 12 seconds, ensuring quick resolutions and minimal disruption to your business.
Proven Track Record
With over 23 years of experience in the IT industry, our expertise and reliability is trusted by businesses across London and the UK.
No Long-Term Contracts
Enjoy the flexibility of our services without being forced into long-term commitments.
Accredited by Top IT Vendors
Our engineers hold certifications from world-class organisations like Microsoft and Watchguard.
Contact Us
Ready to Transform Your IT?
Request a Free Consultation
Our Ethos
The Proactive, Efficient,
and Honest Approach
of Our IT Support Services
Proactive
Anticipating your IT needs and taking preemptive measures to keep your business running smoothly without interruptions.
Efficient
Streamlining IT processes and delivering prompt solutions to optimise your business productivity.
Honest
Building trust through transparent communication and reliable IT support services you can count on.
Blog
TechTalk: IT Tips, Latest News,
and Industry Updates
Insider Threats: Risks and Prevention Strategies
Certified Ethical Hacking And How It Affects Businesses
Understanding the Computer Fraud and Abuse Act For UK SMEs
Microsoft Power Automate and How Businesses Can Benefit
Kido Cyber Attack: What SMEs Can Learn
The Most Common Cyber Security Vulnerabilities
FAQs
Frequently Asked Questions
For 20 years we’ve delivered proactive, efficient and honest outsourced IT support in London to companies of all sizes in varied sectors. As a local company with historical links to The City and its establishments, we understand the various needs of businesses located in the area. One of our first clients remains with us to this day, and we have completed projects for the City of London Police, west end tourist attractions and major rail infrastructure firms.
Maintaining good IT can be time consuming, resource intensive and expensive, especially when you have a business to run. The evolving nature of IT means that businesses need to ensure their IT staff are up to date with the latest technologies and this usually involves training, which comes at a cost. In addition, staff turnover means a need to recruit, which is a similar drain on your precious resources. By outsourcing your IT support, you get a guaranteed team of experienced, skilled and professional staff with a wealth of knowledge to manage your IT. And because training, recruitment and so on for that team is the purview of the IT support firm, your costs are reduced.
A good IT support company helps your organisation focus on its core business, reducing the need to divert resources to IT issues. By providing a service that is always at least equal to an internal IT department, but at significant cost benefit, it helps your business to drive revenue, reduce costs, reduce risk and increase productivity. An IT Support company provides outsourced IT Support services to organisations across all industries, locations and sizes. A good IT Support partner will offer proactive support, technology advice and consultation, project management and 3rd party IT supplier management.
External IT support is a cost effective solution for businesses who would like the experience of their own IT department, without the cost of hiring one. This is particularly popular with SME’s as the monthly cost is often based on the number of users or computers, and this offers the flexibility to scale the service as your business grows.
The reality of today’s inter-connected world is that digital technology is used to drive virtually every aspect of a business. Whether it is product development, project planning, accounting and finance, communications or HR, there is usually a keyboard being tapped or a mouse being clicked to facilitate a process. And when that technology fails, or even slows down, your business is seriously affected. So Labyrinth Technology aims to provide business IT support that delivers fast response times, reduced system downtime, assurance that your business is using the best equipment and software, reduced cost, and time to focus on your core business goals and objectives.
