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Dedicated Internet Access (DIA)
A premium, single-tenant internet connection with guaranteed bandwidth, a hard SLA and 24/7 monitoring — the gold standard for businesses that can't afford to be offline.
› get a quote
Check pricing for your postcode
Tell us the speed and location — we compare every major UK carrier for your exact address and send a tailored, no-obligation quote, usually within one working day.
- Carrier-neutral — we compare the whole market
- No obligation and no sales pressure
- Fully managed install and support
Step 1 of 3
What speed do you need?
Not sure? Pick “Not sure yet” and we'll advise based on your team and apps.
The most reliable internet money can buy
Dedicated Internet Access is a leased line in its purest form: a private, uncontended circuit that gives you the exact bandwidth you pay for, guaranteed, with no sharing and no slowdown. It's the connection of choice for organisations where downtime means lost revenue.
Every DIA circuit is wrapped in a Service Level Agreement covering uptime, latency, packet loss and fix times, with proactive 24/7 monitoring from our team. If a fault is detected, we're often working on it before you even notice.
We design the right DIA for you — including resilient, diversely-routed options for mission-critical sites — then manage the router, firewall and ongoing support so you get enterprise-grade connectivity without the enterprise-sized IT department.
- Carrier comparison for best price & lead time
- Project-managed install with progress updates
- Router & firewall configured and secured
- Ongoing monitoring and UK-based support
› pricing
What Dedicated Internet Access costs
DIA typically costs from £175 per month for a 100Mbps circuit with an enhanced SLA, from £275 for 1Gbps and from £750 for 10Gbps. A diversely-routed dual circuit for mission-critical sites starts from around £450 per month.
"From" prices reflect typical carrier pricing across Greater London on 36-month terms; your exact price depends on your postcode and building. Free availability check — quotes usually returned the same working day.
› what's included
Built for performance and reliability
100% dedicated
A single-tenant circuit — the full capacity is reserved for your business alone.
Hard SLA
Guaranteed uptime, latency, packet loss and target fix times, in writing.
24/7 proactive monitoring
We watch the circuit around the clock and act on faults fast.
Diverse routing option
Optional dual, diversely-routed feeds for true carrier-grade resilience.
Static IPs included
Blocks of static IP addresses for hosting, VPN and secure services.
Scalable capacity
From 100 Mbps to 10 Gbps, upgradeable as demand grows.
› speed tiers
Which speed is right for you?
| Speed | Best suited to |
|---|---|
| 100 Mbps | Reliability-critical small offices |
| 1 Gbps | Mid-market and cloud-first teams |
| 10 Gbps | Data centres & large sites |
Pricing depends on your postcode, carrier and contract term — get a tailored quote.
› is it right for you?
Signs your business is ready for dedicated internet access
If several of these ring true, it's worth a conversation. Not sure? A quick, free call with our team will point you in the right direction.
- Downtime directly costs you revenue
- You host public-facing systems or a VPN
- You need guaranteed latency for real-time apps
- Regulators or clients require an uptime SLA
- You want diversely-routed resilience for a key site
› how it works
From quote to live, fully managed
Survey & compare
We check availability and compare carriers for your exact postcode, then recommend the best fit on price, lead time and SLA.
Order & plan
We place the order, run the site survey and agree a clear install plan and timeline — with progress updates throughout.
Install & configure
Carrier engineers install the circuit; we configure and secure your router and firewall, ready for day one.
Cutover & support
We manage the switch from your old connection with minimal disruption, then monitor and support the line for life.
› the difference
What changes when you switch to CLI Secure
before
- ✕Contended broadband with no performance guarantee
- ✕Variable latency that disrupts voice and real-time apps
- ✕No accountability when the connection fails
- ✕One shared IP and no room to host services
with cli secure
- A dedicated circuit with guaranteed capacity
- SLA-backed latency and packet-loss targets
- 24/7 monitoring and rapid, accountable fix times
- Static IP blocks for hosting, VPN and secure access
› faq
Dedicated Internet Access, answered
› explore & learn more
Related connectivity & further reading
Related services
Authoritative sources
External references for UK connectivity performance and network resilience best practice.
› let's talk
Ready to hand off the IT headaches?
Leave your details and a London-based engineer will call you back — usually within one business hour. No sales scripts, no obligation.
Or explore Managed IT →