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GLOSSARY · General IT

Managed Service Provider MSP

A company that proactively manages a client's IT infrastructure and end-user systems for a recurring fee, instead of charging hourly when things break.

Detailed definition

A Managed Service Provider (MSP) is a third-party firm that takes responsibility for the day-to-day operation of a client’s IT environment under a recurring contract — typically a flat monthly fee per user or per device. Rather than charging the client by the hour every time something breaks (the “break-fix” model), an MSP is on the hook for keeping things running.

What an MSP typically covers

The exact scope varies, but most managed-IT contracts include:

  • Patching and updates for operating systems, third-party software, and firmware
  • Endpoint monitoring — uptime, disk health, performance, security alerts
  • Helpdesk — a phone number and email address users can actually reach
  • Backup verification — proving the backups would actually restore if needed
  • Security management — MFA, EDR, identity, access reviews
  • Vendor coordination — talking to ISPs, hardware vendors, SaaS support so the client doesn’t have to

Why businesses pick managed over break-fix

The economic argument is incentive alignment. Under break-fix, the IT provider only makes money when something goes wrong — there’s no profit in stopping fires before they start. Under a managed contract, the provider eats the cost of every after-hours emergency, so they’re motivated to prevent them. Patching gets done. Monitoring gets watched. Backups get tested.

The trade is predictability versus variability. Managed clients pay a known monthly number; break-fix clients pay nothing in good months and very large numbers in bad ones.

What an MSP is not

  • Not a cloud provider. An MSP manages your AWS / Azure / Google Cloud accounts, but doesn’t own the underlying infrastructure.
  • Not a software vendor. Most MSPs resell Microsoft 365, Google Workspace, SonicWall, Bitdefender, and similar through partner programs — but they’re not the maker of those products.
  • Not a staffing firm. MSPs are outcome-based; staff augmentation firms place individuals into your team and bill by the hour.

When an MSP fits and when it doesn’t

The model fits best for organizations that:

  • Don’t have or need a full-time internal IT person (typically under ~50 employees)
  • Want predictable IT costs as a line item
  • Have compliance requirements (HIPAA, PCI DSS) where consistency matters
  • Want a single throat to choke when something breaks

It fits less well for:

  • Very small shops (under 5 people) where ad-hoc support is cheaper
  • Large enterprises with a real IT team that just needs specialist help on demand
  • Anyone whose tech stack is so unusual that no MSP has credible expertise in it

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