Co-Managed IT Support UK 2026: Costs, Services & MSPs
Quick Answer
Co-managed IT support is a shared IT model where your internal IT team keeps responsibility for selected technology areas while an external managed service provider (MSP) supplies additional support, expertise or capacity.
For example, your internal team might retain:
- IT strategy
- business applications
- senior stakeholder relationships
- technology projects
while the MSP handles:
- first-line helpdesk
- Microsoft 365 administration
- cyber security
- patching
- backups
- cloud infrastructure
- network monitoring
- out-of-hours support
Co-managed IT is particularly useful when a business already has an IT manager or small internal team but does not want to recruit every specialist skill internally.
| IT model |
Best for |
| Fully outsourced IT |
Businesses with little or no internal IT function |
| Co-managed IT |
Businesses with internal IT needing extra capacity or expertise |
| Internal IT only |
Businesses with a mature, well-resourced technology team |
| IT consultancy |
Defined strategy or project requirements |
Unlike a fully outsourced arrangement, co-managed IT should have a very clear responsibility matrix showing which tasks belong to your team and which belong to the MSP.
Compare Co-Managed IT Support Providers
Free quotes • No obligation • Compare UK MSP and IT support providers
How do we work?
Transparent, impartial, and data‑driven reviews made by a team of expert humans, never AI generated – here’s exactly how Compare Your Business Costs helps you find the best deals from trusted UK providers: click here
Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: September 2026
Key Takeaways
- Co-managed IT combines an internal IT function with specialist external MSP support.
- It is particularly useful for businesses that have one IT manager or a small technology team.
- You can outsource only selected areas rather than handing over the whole IT environment.
- Common outsourced functions include helpdesk, cyber security, Microsoft 365, cloud, monitoring and out-of-hours support.
- IT strategy, specialist applications and business relationships often remain in-house.
- Pricing is usually customised because every responsibility split is different.
- As wider market context, UK managed IT support commonly costs around £30–£150+ per supported user/month.
- Security responsibilities need to be documented rather than assumed.
- Both internal IT and the MSP should understand who owns patching, backups, administrator accounts and incident response.
- Regular service reviews are important because the responsibility split will change as your business grows.
What Is Co-Managed IT Support?
Co-managed IT support means your internal IT team and an external provider share responsibility for delivering and managing technology services.
Instead of asking:
“Should we outsource IT?”
the question becomes:
“Which parts of IT should we keep internally, and which parts would an MSP deliver better?”
This makes co-managed IT particularly great for businesses that already have technical expertise but need:
- more capacity
- specialist skills
- holiday/sickness cover
- extended support hours
- stronger cyber-security capability
- access to a larger technical team
How Does Co-Managed IT Work?
The exact arrangement should be built around the internal team’s strengths.
For example
| Internal IT team |
MSP |
| Technology strategy |
First-line service desk |
| Business applications |
24/7 monitoring |
| Projects |
Patch management |
| Stakeholder management |
Cyber-security tools |
| Vendor decisions |
Microsoft 365 administration |
| Architecture ownership |
Backup monitoring |
This is only one model – uour MSP could instead provide cloud expertise while internal IT retains the helpdesk, or manage security while everything else stays in-house.
What IT Services Can Be Co-Managed?
IT Service Desk
An MSP can handle:
- first-line support
- password resets
- Microsoft 365 problems
- device troubleshooting
- software issues
- ticket logging and escalation
This lets internal IT spend more time on infrastructure and business projects.
See our Outsourced Service Desk guide for more detail.
Microsoft 365
A co-managed Microsoft 365 arrangement could divide responsibilities such as:
- Exchange Online
- Teams
- SharePoint
- OneDrive
- Intune
- Defender
- Conditional Access
- licence management
See our Microsoft 365 Managed Services guide.
Cyber Security
Cyber security is one of the strongest reasons to consider co-managed IT.
An MSP may provide:
- endpoint detection and response
- security monitoring
- email protection
- vulnerability management
- patch management
- incident-response support
- security reporting
Your internal IT team can retain security governance and business risk ownership.
Cloud Infrastructure
Specialist cloud support can cover:
- Azure
- AWS
- virtual machines
- identity
- cloud networking
- cost optimisation
- backup
- security
Backup and Disaster Recovery
An external provider can monitor backup jobs, test restores and support disaster-recovery procedures while internal IT retains responsibility for business-continuity planning.
Network Management
Co-managed network services can include:
- firewalls
- switches
- Wi-Fi
- WAN
- SD-WAN
- VPNs
- monitoring
Patch Management
Patch management is particularly suitable for co-management because it is repetitive, measurable and security-sensitive.
The MSP can monitor and deploy updates while internal IT manages exceptions for specialist systems.
Out-of-Hours Support
An internal team may support users during normal UK office hours while an MSP provides:
- evenings
- weekends
- overnight monitoring
- international coverage
Co-Managed IT vs Fully Outsourced IT
|
Co-managed IT |
Fully outsourced IT |
| Internal IT team |
Yes |
Usually limited or none |
| IT strategy |
Usually internal/shared |
MSP + leadership |
| Helpdesk |
Internal, MSP or shared |
Usually MSP |
| Infrastructure |
Shared |
Mostly MSP |
| Security |
Shared |
Mostly MSP/shared governance |
| Projects |
Often internal or jointly delivered |
Usually MSP/project team |
| Best for |
Businesses with an IT team |
Businesses without a complete IT team |
If you are considering handing over most of IT rather than sharing it, see our Outsourced IT Support guide.
Co-Managed IT vs Hiring More IT Staff
This is often the real buying decision.
| Co-managed IT |
Hiring internally |
| Access to several specialists |
Deep internal business knowledge |
| Scalable capacity |
Dedicated employee |
| Provider covers absence |
Holiday/sickness requires cover |
| Monthly service cost |
Salary + NI + benefits + tools |
| Can be narrowed to specialist functions |
Employee works across wider responsibilities |
Co-managed IT is not automatically cheaper than hiring.
It is particularly valuable when the business needs several specialist disciplines rather than another generalist IT employee.
When Does Co-Managed IT Make Sense?
It is worth comparing if:
- your IT team is overwhelmed by support tickets
- projects are constantly being delayed by BAU work
- your organisation needs 24/7 support
- security expertise is limited internally
- cloud skills are missing
- one employee holds too much technical knowledge
- you need holiday and sickness cover
- headcount is increasing
- you are opening new sites
- you need extra capacity without permanent recruitment
When Co-Managed IT May Not Be Necessary
You may not need a co-managed agreement if:
- your internal IT function already has sufficient skills and capacity
- your requirement is only a one-off project
- you have no internal IT function at all
- you only need occasional technical support
In those situations, consultancy, ad-hoc support or fully managed IT may fit better.
Co-Managed IT for a One-Person IT Team
This is one of the strongest use cases – a single IT manager could currently be responsible for:
- helpdesk
- Microsoft 365
- security
- networks
- servers
- procurement
- projects
- strategy
That creates both capacity and business-continuity risks! But a co-managed MSP can take responsibility for repetitive operational work while the internal IT manager remains focused on the organisation.
Co-Managed IT for Small Internal IT Teams
A two-to-five-person IT department can also benefit from external support.
Common reasons include:
- lack of security specialists
- lack of cloud engineers
- 24/7 requirements
- large migration projects
- rapid business growth
- support-ticket overload
Co-Managed Service Desk
One common model is for the MSP to handle first-line tickets while internal staff retain higher-level support.
| MSP |
Internal IT |
| Password resets |
Specialist applications |
| Basic Microsoft 365 |
Business systems |
| Device troubleshooting |
Infrastructure changes |
| User requests |
Projects |
| Ticket triage |
Strategy |
This is often one of the fastest ways to free internal technical capacity.
Co-Managed Cyber Security
A business may retain a security lead internally while outsourcing specialist operational functions.
Examples include:
- MDR/SOC monitoring
- EDR management
- vulnerability scanning
- security logging
- email security
- patch compliance
- incident-response support
The internal team should still understand and own business risk decisions.
Who Is Responsible for Cyber Security?
Responsibility should never be assumed simply because an MSP is involved.
Your contract should specify who manages:
- endpoint security
- patching
- MFA
- administrator accounts
- firewalls
- security logs
- backup
- incident reporting
- vulnerability management
Where responsibility is shared, one side should still be clearly accountable for each task
How Much Does Co-Managed IT Support Cost?
Co-managed IT is usually custom priced because the provider is only taking responsibility for selected services.
Pricing may be based on:
- number of users
- number of devices
- services outsourced
- support hours
- ticket volume
- cloud infrastructure
- cyber-security tools
- sites
- required specialist skills
As broad market context, fully managed UK IT support commonly costs around £30-£150+ per user/month, with many SME agreements around £50-£90.
A co-managed agreement may cost less than a full package where internal IT retains significant responsibility, but highly specialist security, cloud or out-of-hours services can still increase costs.
Common Co-Managed IT Pricing Models
| Pricing model |
Example |
| Per user |
Service desk + support |
| Per device |
Monitoring/endpoint management |
| Fixed monthly retainer |
Defined co-managed service scope |
| Per site |
Network/infrastructure management |
| Project/day rate |
Specialist engineering work |
| Hybrid |
Monthly managed services + project fees |
Example Co-Managed IT Cost Comparison
Do not compare a co-managed quote against a full MSP quote without checking scope.
| Example |
Provider responsibility |
| Quote A |
Helpdesk only |
| Quote B |
Helpdesk + endpoint management |
| Quote C |
Helpdesk + cyber security + Microsoft 365 |
| Quote D |
24/7 co-managed IT + cloud + security |
A higher monthly price may simply contain substantially more responsibility.
Compare Co-Managed IT Quotes
Service Levels in a Co-Managed Model
Co-managed contracts should define how internal and external teams interact when something goes wrong – so agree:
- ticket priorities
- response times
- resolution targets
- escalation paths
- internal contacts
- out-of-hours procedures
How Should Escalation Work?
The MSP should know when to escalate a ticket back to your internal team.
Examples include:
- specialist business applications
- high-impact business decisions
- security incidents
- significant architecture changes
- major project dependencies
Internal IT should also know how to escalate issues into specialist MSP teams.
Shared Tools and Visibility
A strong co-managed arrangement should not create two separate IT worlds, so where appropriate, both teams should have visibility into:
- support tickets
- asset records
- monitoring
- security alerts
- patch status
- documentation
- project tasks
Documentation and Knowledge Sharing
The MSP should contribute to shared technical documentation such as:
- network diagrams
- system inventories
- administrator procedures
- support runbooks
- escalation procedures
- business continuity information
Administrator Access
Your internal IT team should retain appropriate administrator access and oversight which can include:
- Microsoft 365
- Azure
- AWS
- network equipment
- security tools
- backup platforms
- domains and DNS
How to Choose a Co-Managed IT Provider
Look for a provider that is comfortable working with internal IT rather than trying to replace it.
Compare:
- relevant technical expertise
- service desk quality
- cloud capability
- cyber-security credentials
- support hours
- SLA structure
- shared-tool access
- documentation processes
- escalation
- account management
Questions to Ask a Co-Managed MSP
- How do you normally work with internal IT teams?
- Which responsibilities can we keep in-house?
- Can we choose only specific managed services?
- Will our team have access to your ticketing platform?
- Can our IT staff access monitoring tools?
- How do escalation paths work?
- What support hours do you provide?
- What are your SLAs?
- What cyber-security services are included?
- How do you manage privileged access?
- How will responsibilities be documented?
- What reporting will we receive?
- How are projects priced?
- Can service scope change as our team grows?
- What happens when we want to bring a service back in-house?
- What happens if we change MSP?
Benefits of Co-Managed IT Support
- Your business can access cloud, networking and cyber expertise without hiring separate specialists.
- Routine support and maintenance can move away from highly skilled internal staff.
- The MSP provides extra resource when employees are absent or workload spikes.
- Your business can provide longer coverage without creating internal shifts.
- Provider capacity can increase as your organisation grows.
- You can retain business-specific technology knowledge and strategic ownership internally.
Potential Downsides
| Potential issue |
What to do |
| Responsibility confusion |
Use a clear responsibility matrix |
| Duplicated work |
Share tools and ticket visibility |
| Internal/MSP friction |
Define escalation and governance |
| Knowledge silos |
Require shared documentation |
| Security gaps |
Assign ownership for every control |
| Unexpected charges |
Define managed vs project work |
What Should Be Included in a Co-Managed IT Quote?
- Services the MSP will own.
- Services your team will own.
- User/device numbers.
- Support hours.
- Service desk scope.
- Infrastructure responsibilities.
- Cloud services.
- Cyber-security services.
- Backup responsibilities.
- Monitoring.
- Patching.
- Microsoft 365.
- On-site support.
- Reporting.
- Service reviews.
- Project rates.
- Onboarding.
- Contract term.
- Exit arrangements.
- VAT.
Governance and Service Reviews
A co-managed relationship should be reviewed regularly.
Useful agenda items include:
- ticket trends
- SLA performance
- security incidents
- patch compliance
- backup status
- capacity
- upcoming projects
- technology risks
- service-scope changes
Our Verdict: Is Co-Managed IT Support Worth It?
Co-managed IT is one of the strongest models for organisations that already have good internal IT people but need more capacity or specialist expertise.
It avoids an unnecessary all-or-nothing decision between:
- building every IT capability internally
- outsourcing the whole department
Instead, you can keep the areas your team knows best and use the MSP where it adds the most value.
The model works best when:
- responsibilities are explicit
- both teams share information
- escalation is simple
- security ownership is documented
- internal IT retains appropriate system access
The goal should be to make your existing IT team more effective, not simply add another supplier.
Compare Co-Managed IT Support Providers
Free quotes • No obligation • Compare UK managed IT providers
Frequently Asked Questions
What is co-managed IT support?
Co-managed IT support is a shared model where an internal IT team and an external MSP divide responsibility for supporting and managing technology.
What is the difference between co-managed and outsourced IT?
With co-managed IT, your internal IT function remains active and retains selected responsibilities. Fully outsourced IT transfers much more of the day-to-day technology workload to the provider.
How much does co-managed IT cost?
Pricing is usually customised because responsibilities vary. Costs depend on users, devices, services outsourced, support hours and specialist requirements.
Can we outsource only the service desk?
Yes. Many organisations outsource first-line support while internal staff retain infrastructure, applications, projects and strategy.
Can we outsource only cyber security?
Yes. An MSP can provide security monitoring, endpoint protection, vulnerability management or incident-response capability alongside your internal team.
Is co-managed IT suitable for one IT manager?
Yes. It can be especially valuable where one internal IT manager currently covers support, infrastructure, security, projects and strategy.
Can co-managed IT provide 24/7 support?
Yes. Out-of-hours service desk and infrastructure monitoring are common reasons to add an MSP to an internal IT function.
Who should own Microsoft 365 in a co-managed arrangement?
Your business should retain appropriate ownership and administrator oversight, while responsibility for day-to-day administration can be delegated to the MSP.
Who is responsible for cyber security?
Both parties can have responsibilities, but every control should have a clearly documented owner. Avoid vague shared responsibility where nobody is accountable.
What should be in a co-managed IT contract?
The contract should define responsibilities, SLAs, security, access, reporting, escalation, project work, pricing and exit arrangements.
Can we bring services back in-house later?
Yes, provided the agreement includes good documentation, shared access and sensible exit arrangements.
Is co-managed IT cheaper than hiring more staff?
Not always. Its strongest financial case is often access to several specialist capabilities and flexible capacity rather than replacing one individual salary.
Related Managed IT Guides
Hi, I’m Ally Cox, a senior copywriter and blogger at CompareYourBusinessCosts.co.uk, the UK’s trusted platform for comparing business services.
With over a decade of experience in the B2B sector, I specialise in simplifying complex topics like leased lines, VoIP, business energy, HR and payroll solutions, accounting software, and EPOS systems.
Before joining CompareYourBusinessCosts, I worked across various industries, gaining hands-on experience in HR, copywriting, and business operations- from clocking-in systems to card machines and office technology.
My goal is simple: to help UK businesses make informed, confident decisions when choosing products and services that improve efficiency and save money.
