Co-managed IT support.

One IT person can only cover so much. If your IT runs on one person, or a small team stretched across helpdesk, security and strategy, you know the risk: no cover when they are off, no second opinion on the big calls, and no senior expertise without a six-figure hire. Co-managed support fills the rest, without replacing them.

Verified
ISO 27001 & 9001Certified by a UKAS-accredited certification body Cyber EssentialsCertification body Cyber Essentials PlusCertified NCSC AssuredCyber Advisor
What it is

What is co-managed IT support?

Co-managed IT support means your in-house IT person or team keeps day-to-day control, and an external provider adds the depth they cannot cover alone: senior expertise, out-of-hours cover, security monitoring and holiday backup. It reinforces the team you already have, so one person is no longer a single point of failure. Managed detection and response is included as standard.

Co-Managed IT / 01 · The proposition

What co-managed support adds.

Your internal team keeps the relationships and the final say, while we bring the depth, the cover and the tooling that is hard to justify for one hire.

01Augment your team. Your team keeps the day-to-day relationship. We are the depth behind them.
02A virtual CTO on demand. Architecture, security design and the strategic calls, without carrying that salary.
03Cover for the gaps. Out-of-hours, holiday and sickness cover, and overflow when the queue outgrows one person.
04Agreed in writing. What we own and what your team owns, so nothing falls into the gap.
Co-Managed IT / 02 · Who it's for

Signs it is time to bring in a co-managed partner.

It tends to make sense at a specific point in a company's growth.

  • One person, or a very small team, covers helpdesk, security and strategy.
  • The business has grown faster than the IT function, and the gaps show.
  • Compliance requirements (ISO 27001, Cyber Essentials, client due diligence) outpace what one person can own.
  • Projects stall because there is no time for anything beyond keeping the lights on.
  • Leadership wants senior technical input, a virtual CTO, without a six-figure hire.
Co-Managed IT / 03 · How the split works

What stays with your team, and what moves to us.

Every engagement starts by agreeing, function by function, who owns what: written down, not assumed, and reviewed with your IT lead as the business changes.

Your team keeps First point of contact for your people The roadmap and the relationships Day to day priorities and decisions The knowledge of how the business runs We take on Overflow and out of hours cover Monitoring, patching and backups Security and MDR as standard Projects, migrations and virtual CTO One accountable team, one standard, no gaps between desks
Co-Managed IT / 04 · What's included

The parts of IT we take off your plate.

Pick what makes sense for your team.

01Overflow

Overflow, out-of-hours and monitoring

When the queue outgrows your team, or it is 11pm and something breaks, we pick it up, with monitoring and patching underneath.

Overflow ticketsOut-of-hours cover24/7 monitoringPatch management
Explore IT support
02Projects

Projects and migrations

Microsoft 365 moves, server and cloud migrations, and infrastructure projects, handled by engineers who do this daily.

Microsoft 365Cloud and server migrationProject management
Plan a project with us
03Secure

Security and MDR

Managed detection and response as standard, watching for what a generalist helpdesk cannot catch.

MDR as standardThreat detectionIncident response
Explore Cyber Security
04Comply

Compliance support

Evidence and process support for ISO 27001, Cyber Essentials and client due diligence, from a certification body.

ISO 27001Cyber EssentialsClient due diligence
Talk to us about compliance
Co-Managed IT / 05 · The reassurance

The credentials regulated buyers check.

Co-managed IT is often how a regulated or high-stakes business brings in credibility it cannot build alone: a Cyber Essentials certification body, ISO 27001 certified by a UKAS-accredited body, and MDR as standard, without your team carrying the audit burden.

CertifiedCyber Essentials certification bodyWe assess other organisations, and hold Cyber Essentials Plus ourselves.
CertifiedISO 27001 & 9001, certified by a UKAS-accredited bodyThe certification body audits our management system against the standard.
IncludedMDR as standardAcross every managed and co-managed estate we support, with no separate upsell.
What it costs

How much does co-managed IT support cost?

We price per user or per device, agreed to your setup rather than a one-size package. See how our pricing works, or book a consultation for a figure against your estate.

FAQ

Common questions

What's the difference between co-managed and fully managed IT?

Fully managed means we run the whole of IT. Co-managed means you keep an internal person or team and we work alongside them, taking on overflow support, out-of-hours cover, monitoring, security and senior architecture input. Many clients move between the two.

Will you replace our internal IT person?

No. Co-managed support strengthens the person or team you already have. They keep the relationships and the day-to-day ownership; we take on what is hard to cover alone, such as out-of-hours support, deep monitoring and senior expertise.

How is co-managed IT priced?

We price per user and per device, scoped to the functions you want us to cover, so there is no standard list price. Tell us your headcount and where you want support for a clear written quote. See our pricing.

Do you cover out-of-hours and emergencies?

Yes, and it is one of the most common reasons businesses bring us in alongside an existing team. We agree response commitments in writing, and out-of-hours cover can sit entirely with us, so your team is not alone at 2am.

Can co-managed support help with security and compliance?

Yes. Managed detection and response runs as standard, and we are a Cyber Essentials certification body, certified for ISO 27001 by a UKAS-accredited certification body, so we can take on as much of your compliance workload as you need. See our cyber security services and governance and audit.

Co-Managed IT / 06 · The whole stack

Co-managed is often where bigger partnerships start.

Some clients stay co-managed indefinitely. Others hand us more over time, until we run the whole estate.

Maintained by the Dead Simple Computing engineering team. Security led by Daniel McClure Fisher, CISSP, MCIIS. Last reviewed July 2026.

Let's strengthen the team you have.

Book a consultation and tell us what your internal team already owns. We will show you where we would fit, in writing.

UK-wide, remote or on site from Reading  /  reply within one working day