Really happy with the service from CLI Secure. They supported us throughout the leased line installation process and kept things running smoothly from start to finish. The team was helpful, easy t... See more
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Company details
- Business and IT Consulting Agency
- Computer Security Service
- Internet Provider
- Phone and Internet Service
- Telecommunications Contractor
- Wi-Fi Spot
Written by the company
CLI Secure is a London-based managed IT, cyber security and connectivity partner for growing UK businesses. We bring managed IT support, 24/7 cyber security (EDR, MDR and SOC monitoring built in, not sold as an add-on), Microsoft 365 & cloud management, network consultancy, CCTV, data cabling and business connectivity together under one accountable team — so there's no more finger-pointing between vendors. Clients get a 4-minute average response time, a 24/7 UK-based helpdesk answered by real engineers (never offshore scripts), 99.98% uptime across managed estates, and a dedicated vCIO who aligns IT with where the business is actually heading. We offer same-day onsite consultancy across Greater London, IT support anywhere in England, and remote support across Europe — with no lock-in contracts, so clients stay because the service works, not because they're tied in.
Contact info
Unit 11, Sybil Mews, Finsbury Park, N4 1EP, London, United Kingdom
- 020 3355 1151
- support@clisecure.com
- clisecure.com
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We've been working with CLI Secure LTD…
We've been working with CLI Secure LTD since 2022 to get networking support. They are kind and acting fast. Happy to collaborate, highly recommended company. Thanks to Emrah.

Reply from CLI SECURE LTD

Reply from CLI SECURE LTD
Top-notch IT Services in the UK
I needed assistance with the restructuring of our network and servers at the company where I work in the IT department.The system was in dire need of attention, and upon the recommendation of a colleague, I reached out to CLI Secure. I must say, I am thoroughly impressed with the professionalism and expertise demonstrated by their team.
They approached the task with a high level of proficiency and managed to transform our previously chaotic system into a well-organized topology. Thanks to their efforts, we now experience zero issues with our internet network, and our backup systems are functioning flawlessly.
I am truly grateful for the outstanding service provided by CLI Secure. Thank you for your dedication and for delivering beyond our expectations
CLI assisted us when we needed a static…
CLI assisted us when we needed a static IP at very short notice. Very happy with the service they provided, got us out of a muddle.
The only network product provider I've…
The only network product provider I've worked with

Reply from CLI SECURE LTD
I had a great experience with CLI…
I had a great experience with CLI Secure. Their expertise and professionalism were outstanding. Their solutions were not only effective but also user-friendly and scalable. They prioritize security and efficiency, evident in their work. The team was responsive, meeting deadlines with proactive updates. I highly recommend CLI Secure for reliable and secure IT solutions.
Best yet, absolutely excellent!
Best yet, absolutely excellent. CLI secure provides exceptional service at all times regarding IT for our business. They are an amazing team with providing excellent service and outstanding after care to its customers. One other amazing aspect about them is you can always contact them and receive immediate response as-well as solution.
Best IT company for voip very friendly…
Best IT company for voip very friendly and helpful. Great customer service
I can say that it is the best IT…
I can say that it is the best IT company in london. They restored my lost data. You are awesome, thank you 🙏
Emrah and CLI Team is great at the…
Emrah and CLI Team is great at the solutions that we need for our office IT support. I love their quick response! Thank you CLI
Highly Recommended
We have their VOIP service. I can say the most reliable VOIP service so far. Friendly staff, quick response, reasonable price. After-sales support is excellent.
Thank you for your support
Great team with a great director, Emrah has years of experience on IT sector. I am glad we had met with him. I will work with him till the end.
They provide IT support and IP phone…
They provide IT support and IP phone line to my Accountancy Office, i never had any problems since working together. Plus i am very happy about their pricing.
I would strognly recomend,
I would strognly recomend,
We are getting our IP phone service from CLI for 2 years. During 2 years we have never experienced issue. Only once there were a delay on phone calls due to BT issue. Before BT, I contacted to CLI and they defined and help me to sort my issue with BT in very shot time.
The best IT company ever! Thank you CLI - EMRAH ER
CLI secure is doing my company's IT support from the day 1. They are great at finding solution for my all IT needs in friendly budget. They have combined different IT needs in a company which is great because I only have to deal with one company for my VOIP Phone landline, internet system and my data server system.
CLI's director Emrah is great to ask for an advise whenever you need an IT solution. He is all the time up to date with the new technologies and very creative to find unique ideas.
Very satisfied with an excellent…
Very satisfied with an excellent service. Experienced staff are responsible all works until done.
Thry solved our VoIP phone needs in a…
they solved our VoIP phone needs in a short time. They gave a short training after installation. and then they fixed minor problems right away. They are very interested and approach the solutions professionally.
As a e-commerce jewellery company we…
As a e-commerce jewellery company we get service from CLI Secure, they are very good and always on time.
I had service by CLI team
I had service by CLI team, they are very professional and always on time. Will definitely get a service again.
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