Colt Leased Lines (2026 Review): Prices, Speeds, Pros, Cons & Best Alternatives Quick answer
Colt leased lines deliver ultra-reliable, high-speed, symmetrical connectivity with exceptional SLAs and enterprise-grade security. Their speeds range from 1Gbps to 100Gbps, making Colt ideal for data-heavy, cloud-first and multi-site businesses. However, pricing isn’t published, installation can be slower outside major cities, and the service is generally best suited to medium–large enterprises.
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Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: August 2026
Leased Line Cost Calculator UK Estimate your monthly leased line cost, annual spend, total contract value and whether dedicated internet is likely to be worth comparing for your business.
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Contents:
Benefits of Colt Technology
Downsides of Colt Technology
What Does Colt Technology Offer?
Colt’s Pricing Models
Colt Technology Decision Making Guide
Our Verdict on Colt Technology
Key Takeaways
✅ Speeds from 1Gbps to 100Gbps
✅ Excellent SLAs (up to 99.99% uptime)
✅ Global network footprint
✅ Highly secure with enterprise-grade options
⚠ Premium pricing
⚠ Longer install outside major cities
⚠ Better suited to medium/large businesses
Colt don’t advertise prices on their website and you have to contact them for a quote.
It’s hard to establish their contract length due to limited info on their website.
Installation time for leased lines is usually longer than any other type of broadband.
While Colt has a wide network, their Leased Lines aren’t readily available in all locations.
Colt’s Pricing Models Colt offers two commercial models for pricing:
Traditional Model
A fixed pricing model with traditional installation costs and fixed monthly rent. Contract lengths range from 12 to 36 months.
On-Demand Flex Model
This model allows you to pay per hour, with commitment options ranging from 1 hour to 36 months. Bandwidth can be adjusted according to your business needs.
Colt Leased Lines Decision Making Guide Colt’s leased lines are suitable for businesses that:
Require a reliable and high-speed internet connection for critical operations.
Rely on real-time applications like video conferencing and cloud services.
Handle sensitive data that necessitates secure connections.
Plan for future growth requiring scalable bandwidth.
Operate across Europe and Asia, benefiting from Colt’s extensive network coverage.
Summary of Colt Leased Lines: Real Reviews Colt has been recognized as a Customers’ Choice in the 2024 Gartner Peer Insights ‘Voice of the Customer’ Global WAN services report, scoring a 96% ‘Willingness to Recommend’ rating based on 54 reviews.
Colt Leased Lines Commercial Video
Colt vs Standard Business Broadband
Feature
Colt Leased Line
Standard Broadband
Speed
1–100Gbps dedicated
Up to 1Gbps shared
Upload speed
Equal to download
Often much slower
Contention
1:1 uncontended
Shared with others
Uptime SLA
99.99%
No guaranteed uptime
Best for
Enterprises
Small offices
Winner
Colt Leased Lines: What Sets it Apart From Its Competitors? Colt offer market leading enterprise grade LAN and WAN service, they are incredibly reliable and there is no limit to the size of business they can support.
Why Choose Cold Leased Lines
Network Coverage High-Performance Guaranteed SLAs
Their network covers 32 countries, 51 major metropolitan cities across Europe, Asia and the US
Speeds of 100Gbps. They also offer 100% guaranteed uncontended bandwidth
They guarantee our SLAs up to 99.99% (less than one hour of downtime annually).
Customer Service Future Proof Flexible
They provide 24/7 customer support
They meet the ever-changing needs of digital with our scalable bandwidth and our 15+ add-ons
add-ons include:
Managed CPE, multiple IP address options,
IPV6,
Workforce mobility,
Usage-based billing,
Domain hosting and
Security features.
Colt Awards 2023
Eye on Innovation Award – Communication Service Providers for EMEA
2023 Gartner® Magic Quadrant™ for Network Services, Global
2023 Frost & Sullivan Global Customer Value Leadership Award, Enterprise Network Services
Company of the Year SD WAN European managed services Frost & Sullivan
Improvements of Colt Over the Years Colt have a large global footprint and are therefore very reliable within big cities. They are known for providing their customers an in depth point of contact during installation and setup and great ongoing support.
Issues with Colt Over the Years Because of the substantial features and products Colt have to offer, the ongoing costs of partnering with them are quite high compared to some competitors, perhaps limiting businesses with a smaller budget from utilising their services. They also do not have many UK based reviews, However the reviews they do have are impressed with their overall MSP journey.
How to Purc hase Colt Direct:
Or via a reseller:
Our Verdict on Colt While we think Colt are renowned for its high-speed connectivity, there are still a few small areas for improvement. They offer connection speeds up to 100 Gbps, unmatched by many competitors, and with their installation times around 45 days, they are among the swifter options.
While their pricing remains undisclosed, Colt compensates with money-back credits for SLA discrepancies, enhancing its appeal to new users.
The Colt website offers a straightforward form to check service availability in your area, and by entering your postcode and selecting your desired connection type, you can quickly determine service feasibility and receive a quote promptly.
Colt provides a simple online tool to check service availability and by entering your postcode and selecting your desired connection type, you can quickly determine if Colt’s leased lines are available in your area (see below):
How to check if you can get Colt Leased Lines in your area Lastly, Colt Leased Lin e is a high-performance, business-grade internet connection that is scalable and flexible.
Hosting complex websites,
Sharing large files,
Running company-wide video meetings and more.
FAQs About Colt Leased Lines 1. How fast are Colt leased lines?
Speeds range from 1Gbps to 100Gbps, suitable for even the most data-intensive workloads.
2. How much does Colt cost per month?
Pricing is quote-only but typically starts from £450+ for 1Gbps.
3. Is Colt better than BT or Virgin?
For enterprise reliability and international reach- yes.
For SME pricing – usually no.
4. How long does installation take?
Generally 45–90 days, depending on surveys and wayleave.
5. Does Colt include DDoS protection?
Yes, enterprise-grade.
6. Is Colt good for small businesses?
Only if you need premium connectivity, but oather providers may be more affordable.
Other useful links about leased lines include:
Hi, I’m Ally Cox , a senior copywriter and blogger at CompareYourBusinessCosts.co.uk, the UK’s trusted platform for comparing business services.over a decade of experience in the B2B sector, I specialise in simplifying complex topics like leased lines, VoIP, business energy, HR and payroll solutions, accounting software, and EPOS systems .HR, copywriting, and business operations- from clocking-in systems to card machines and office technology .informed, confident decisions when choosing products and services that improve efficiency and save money.
