› connectivity & telecoms
leased lines & wan
Leased LinesDedicated, uncontended fibreDedicated Internet AccessGuaranteed, SLA-backedFTTP & Full FibreUltrafast full fibreSD-WANIntelligent multi-site WANMulti-Site ConnectivityOne secure networkBackup ConnectivityAutomatic 4G/5G failovermobile
Business MobilesO2, Vodafone & EE airtimeSIM Only DealsFlexible 30-day & 24-monthMobile Broadband4G / 5G data-only SIMsStatic IP SIMsFixed IP for IoT & failovertelecoms
Cloud Hosted PBXVoIP phone system, powered by VoipingerSIP TrunkingConnect your PBX, cut call costsMicrosoft Teams PhoneCalling inside TeamsBusiness Phone NumbersLocal numbers in 145+ countriesCRM Integration250+ apps, click-to-dialAI Receptionist24/7 AI voice agentAI Contact CenterAI voice & chat at scale› cyber security
Wifinger
Our own guest Wi-Fi platform: a branded login page on the access points you already have, plus consent, analytics and marketing — designed, installed and managed by us.
Explore guest Wi-Fi› design · deploy · support
› surveillance & data infrastructure
Your IT team, reinforced
Already have IT staff? We slot in beside them — covering out-of-hours, specialist skills, holiday cover and overflow, so your team can focus on what matters.
Co-Managed Ops
your team + ours
3
Your team
24/7
We cover
8
Escalations
Co-Managed IT Support
Talk to a London IT engineer today
Fast response · no obligation · rolling monthly plans
› your team, reinforced
Extend your in-house IT — without the burnout
Your internal IT team knows your business better than anyone. But no small team can cover 24/7, master every specialism and still deliver big projects on time. Co-managed IT fills those gaps: we cover out-of-hours, holidays and sickness, bring in security, cloud and network specialists on demand, and add project firepower when it's needed.
We work on shared tooling — one RMM, ticketing and documentation stack — so both teams have full visibility and nothing hides in a silo. Responsibilities are agreed and documented up front, so we complement your people rather than compete with them.
The outcome is an in-house team that finally gets to focus on the strategic work only they can do, while we absorb the overflow, the after-hours alerts and the specialist tasks. It's the resilience and depth of a large IT department, without the headcount cost.
- Out-of-hours, holiday & overflow cover
- Specialist skills and project capacity on demand
- Shared tooling & documentation — no silos
› small IT teams can't do it all
Stretched IT teams shouldn't have to cover everything
Internal IT is brilliant at knowing your business — but no small team can cover 24/7, every specialism and every project. We fill the gaps without stepping on toes, so your people stay focused and rested.
- Out-of-hours, holiday and sickness cover
- Specialist skills and project firepower on demand
- Shared tooling and documentation — no silos
› what you get
Out-of-hours cover
We watch and respond overnight, weekends and holidays.
Overflow & holiday cover
Extra hands when your team is stretched or away.
Specialist expertise
Security, cloud and network specialists on tap when needed.
Project firepower
We deliver the big projects your team has no time for.
› the difference
What changes when we take it on
before · going it alone
- A stretched in-house team on the edge of burnout
- No cover for nights, holidays or sickness
- Missing specialist skills for security or cloud
- Projects stalling behind day-to-day firefighting
after · with cli secure
- Out-of-hours, holiday and overflow cover
- On-demand security, cloud and network specialists
- Shared tooling and documentation — full visibility
- Project capacity so strategic work gets done
› what's included
Everything you need, fully managed
Out-of-hours cover
We watch and respond overnight, weekends and holidays.
Overflow & holiday cover
Extra hands when your team is stretched or away.
Specialist expertise
Security, cloud and network specialists on tap when needed.
Project firepower
We deliver the big projects your team has no time for.
Shared tooling
One RMM, ticketing and documentation stack — full visibility both ways.
vCIO guidance
Strategic input and roadmaps that support your IT lead.
› how we deliver
A proven, low-risk process
Align
We agree exactly which areas we own and which stay in-house.
Integrate
Shared tooling, access and documentation set up together.
Collaborate
Daily support, escalations and projects delivered side by side.
Review
Regular reviews keep responsibilities and roadmaps clear.
› free it audit
Ready to fix your IT for good?
Book a no-obligation IT audit. We'll review your setup, spot the risks and quick wins, and show you exactly how we'd support your business.
- 30-minute call with a London engineer
- A clear picture of your IT risks & gaps
- A tailored support plan & quote, no pressure
Why businesses choose CLI Secure
No turf wars
Clear ownership means we complement, never compete.
Flexible coverage
Scale our involvement up or down as you need.
Security depth
Enterprise-grade security skills your team can lean on.
No lock-in
Rolling monthly agreements.
› faq
Questions, answered
› 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 →