Choosing the right dedicated leased line provider can give UK businesses faster internet speeds, better uptime, and stronger support than standard broadband.
In 2025, companies will have more options than ever, but not every provider suits every business. Factors like cost, speed, customer service, and location all affect which supplier stands out from the rest.
Businesses need trusted connections that keep up with modern demands, whether for cloud access, VoIP, or large file transfers. Providers now offer deals with 24/7 support, fast response times, and clear service level agreements, so finding the best fit can make a real difference to performance and peace of mind.
This guide highlights seven leading UK leased line providers to help companies find a service that matches their needs and budget. Each option brings something different to the table, giving decision-makers a clearer view of what is available today.
Top 7 Dedicated Leased Line Providers For UK Businesses in 2025
1. Elevate

Elevate stands out as a strong choice for businesses that need fast and stable connections. They offer dedicated leased line services across major UK cities, giving companies symmetrical speeds and scalable bandwidth options up to 100Gbps.
Installation times are often shorter than the industry average, with some connections set up in as little as ten days. Customers benefit from guaranteed uptime through a unique Always-On backup system, which automatically switches to wireless if the fibre line goes down.
Support is direct and managed in-house by Elevate’s own engineers. Their team controls everything from network setup to on-going maintenance, so fixes and support requests often move quickly. Clients have access to a dedicated manager for ongoing needs.
Elevate also focuses on security and performance. Businesses with high data needs, multiple sites, or sensitive information can benefit from private leased lines. This approach supports smooth video calls, fast cloud backups, and direct use of SaaS apps. UK leased line internet solutions from Elevate offer dedicated, symmetrical bandwidth that does not shift during peak periods.
2. Entanet (CityFibre)
Entanet, part of the CityFibre group, supports business connectivity needs across the UK. It offers dedicated Ethernet options with speeds ranging from 100Mbps up to 10Gbps. Businesses can select symmetric bandwidth to support demanding tasks and large data transfers.
Service Level Agreements guarantee 100% uptime and include support from UK-based teams. Rapid fault resolution is available, with response times as short as five hours. These features benefit companies that depend on steady and fast internet access every day.
CityFibre’s network now reaches more business locations than ever before, making it easier for companies outside city centres to get faster connections. The network also prioritises security and privacy by keeping connections private and dedicated to each business.
Entanet provides flexible contracts and competitive pricing, so businesses can choose a plan that aligns with their budget and growth needs. Many customers appreciate straightforward service with clear terms and no hidden charges.
Businesses searching for a dedicated leased line provider in 2025 will find Entanet (CityFibre) worth considering due to its UK presence, choice of speed options, and strong customer support.
3. Zen Internet
Zen Internet provides dedicated leased lines tailored for business needs across the UK. They focus on direct fibre connections without sharing bandwidth, which can help maintain steady internet speeds throughout the day.
One key benefit is their symmetrical speeds, offering equal upload and download rates. This can support cloud services, smooth video calls, and fast data transfers.
Zen offers leased line packages from 100 Mbps to 10 Gbps. Service Level Agreements include a 99.9% uptime target with round-the-clock support. For businesses that need more certainty, Zen also provides extra resilience features.
Customers often highlight Zen’s clear communication and experienced support team. The company guides clients from project planning through to installation and aftercare.
Zen operates as a certified B Corp, reflecting a commitment to ethical practices and a lower environmental impact. They have received recognition from industry reviewers and positive feedback on customer satisfaction platforms.
Available services may differ by location. For accurate costs, Zen supplies custom quotes based on a specific business address and needs.
4. Vorboss
Vorboss stands out by offering dedicated leased lines with a minimum speed of 10Gbps. These symmetrical speeds suit large businesses that move a lot of data, such as those in finance, media, or cloud services. Unlike many providers, Vorboss owns its entire fibre network, which means customers deal directly with them from installation through to support.
Businesses in Central London make up the main customer base, as Vorboss focuses on this area. Therefore, availability outside this region may not match other providers. However, in the areas served, the network supports instant file transfers, clear video calls, and smooth cloud backups without slowdown.
Key features include 24/7 UK-based customer support, strong uptime guarantees, and no hidden or extra installation fees. Pricing for Vorboss leased lines starts from around £650 per month for a 10Gbps line, so it may not suit smaller businesses with basic needs. However, for companies that need consistent high speeds and bandwidth, the offer delivers significant value.
Vorboss aims to provide transparent contracts, with prices fixed for the duration of the agreement. Their approach targets organisations that depend on high-capacity internet links and require minimal downtime. Staff reviews note strong customer service and a focus on developing better network solutions, although expectations for staff can be high.
5. KCOM Group

KCOM Group offers dedicated leased line services for businesses in the UK, with a strong focus on the Hull and East Yorkshire areas. Their leased lines provide a dedicated, private connection with symmetrical upload and download speeds.
Customers benefit from high-speed internet connections that use Ethernet technology. This allows the same fast speed for both sending and receiving data, which suits businesses with demanding digital tasks like cloud computing or video conferences.
KCOM Group delivers guaranteed bandwidth, so speeds do not drop during busy periods. This consistent performance supports the needs of businesses that rely on stable internet access for their daily operations.
Security is a key feature, as only the customer uses the connection. This private network helps protect sensitive company data during transfer between sites or to the internet.
For customer support, KCOM Group maintains a proactive UK-based team. Businesses can contact support for help with faults or queries, helping to reduce downtime and maintain productivity.
KCOM Group targets both small and large businesses, with packages to fit different budgets and requirements. Their leased line solutions suit organisations that value speed, performance, and security in their business internet provision.
Key features include:
- Symmetrical speeds
- Dedicated, point-to-point connections
- UK support
- Flexible packages for various business sizes
KCOM Group continues to stand out, especially within its regional stronghold, for providing quality leased line services tailored to business needs.
6. XLN Business
XLN Business focuses on supplying leased line and broadband solutions for small businesses across the UK. It mainly uses respected national networks to offer dependable internet access in both cities and smaller towns.
Its packages usually include line rental, unlimited UK calls, and options for superfast or even full-fibre connections. Customers can expect symmetrical upload and download speeds, which helps keep business operations smooth.
For growing companies, XLN provides scalable solutions that support changing bandwidth needs. It offers straightforward plans with clear monthly prices, making it simpler for organisations to manage costs.
Customer support sits at the centre of the service, offering direct assistance and dedicated helplines. Payment terms, contract lengths, and added security features vary, so businesses have a good choice of options.
XLN focuses on plain language and quick setup times, helping small businesses get connected without extra hassle or confusion. Its service is straightforward and aimed at those who want essential business internet without distractions.
Key highlights:
- Caters specifically for small businesses
- Uses major UK networks for coverage
- Offers simple, value-focused leased line packages
- Provides support and clear contract terms
XLN makes leased line solutions accessible for companies that want fast, uninterrupted internet with minimal paperwork. This approach benefits those who need internet they can trust for daily activities and future growth.
7. Focus Group

Focus Group stands out as a popular choice for dedicated leased line services in the UK. The company offers symmetrical upload and download speeds of up to 10Gbps, which supports fast data transfers for tasks such as cloud applications and VoIP services.
Every leased line from this provider gives a private connection directly to a business location. This dedicated access translates to consistent speeds, even during peak hours. As a result, users experience fewer slowdowns compared to shared broadband options.
Security remains a top feature, as the connection does not share bandwidth with others. Although businesses should still use encryption, this level of exclusivity adds an extra layer of data protection over standard connections.
Focus Group advertises support around the clock, with technical staff monitoring services 24/7. If issues arise, businesses can expect quick responses from in-house engineers.
Pricing starts at £95 per month for entry-level leased line solutions, while fibre options with higher speeds begin at £195 per month. These packages come without usage caps, so customers avoid unexpected charges for high data activity.
Focus Group also offers wireless leased lines as an alternative to traditional wired connections. This option suits sites where physical installation could add delays or costs, while still delivering high symmetrical speeds.
Conclusion
Choosing a dedicated leased line gives UK businesses a stable and fast internet base for daily work. Each provider offers unique features, service agreements, and pricing, so it pays to compare before signing a contract. Support quality and response times can set companies apart in real-world use.
The right choice depends on company size, online activity, and local coverage. Businesses should focus on their needs, including upload speeds, contract terms, and helpdesk support.
Clear communication and strong after-sales support can add value well beyond connection speed. These factors help businesses stay online and productive throughout the year.