Top 100Gb Leased Line Providers in the UK (2025)

Choosing the right provider for a 100Gb leased line is critical — not just for price, but for performance, lead times and resilience.

Below, we break down the top 100Gb leased line providers operating across the UK.

1. BT Wholesale

• Excellent national coverage

• Strong on SLAs and fault response

• Pricing is competitive in urban areas

2. Colt Technology

• High-capacity metro fibre in city hubs

• Great for multi-site and international firms

• Fast install times in on-net buildings

3. Vorboss

• Carrier-grade fibre backbone

• Scalable and priced well for high-commit customers

• Deep coverage in the London regions

Other Providers Worth Considering:

• Virgin Media Business – good regional pricing

• Neos Networks – strong for managed service and SLAs

• TalkTalk Business – selective but cost-effective in key zones

How to Choose?

Consider:

• Installation timeframes

• Existing fibre coverage at your site

• Support options and service levels

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