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.
Colt Technology Services offers businesses reliable, high-speed, and scalable internet connectivity solutions. We think they havea great, robust infrastructure, comprehensive Service Level Agreements (SLAs), and expert support, which makes them an excellent choice if you’re aiming to enhance your businesses connectivity capabilities.
For further information and pricing on leased lines, click here .
Contents:
Benefits of Colt Technology
Downsides of Colt Technology
What Does Colt Technology Offer?
Colt’s Pricing Models
Colt Technology Decision Making Guide
What Other People Think of Colt Technology
What Do Staff Think of Colt Technology?
Our Verdict on Colt Technology
How do we work?
Transparent, impartial, and data‑driven reviews made by a team of expert humans, never AI generated – here’s exactly how Compare Your Business Costs helps you find the best deals from trusted UK providers: click here
Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: January 2026
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.
What Other People Think of Colt Leased Lines:
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 Leased Lines: What To Expect as a User
Don’t have time to watch the video guide? Here’s a visual of the Colt leased lines interface so you know what to expect:
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 for performance-critical businesses.
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.
What Do Staff Think of Colt Leased Lines?
Summary of What Colt Staff Say About it
According the Glassdoor, Colt presents a mixed bag for potential employees. On the positive side, reviewers mentioned a good work-life balance (though achieved through limited work hours), a positive company culture with a focus on wellbeing, and a good overall benefits package, including a competitive salary, and decent autonomy.
However, there are significant concerns about management and stability. Nearly 60 reviews mention issues with a specific department (Data Office) having disorganised management, poor communication, and a tendency to delay projects. In addition, reviewers mentioned inconsistency among managers, with some being great and others lacking leadership skills. There’s also a sense of confusion about the company’s direction, with frequent strategy changes and restructures leading to concerns about job security.
Colt Latest News
‘Colt Technology Services collaborates with Infosys to accelerate its digital transformation programme’.
Read more here .
‘Colt Technology Services Collaborates with Infosys to Accelerate its Digital Transformation Program’
Read more here .
‘Amdocs Chosen by Colt Technology Services to Consolidate & Evolve its Inventory Systems’.
Read more here .
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. It can be used for:
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.
With 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 .
Before joining CompareYourBusinessCosts, I worked across various industries, gaining hands-on experience in HR, copywriting, and business operations- from clocking-in systems to card machines and office technology .
My goal is simple: to help UK businesses make informed, confident decisions when choosing products and services that improve efficiency and save money.