What is maintenance?

Claudia AinsleyWritten byClaudia Ainsley
Reviewed byMatt Leeburn
Updated 26 Aug 2026

Maintenance is the inspection, servicing and repair work that keeps an asset in safe working order, and in finance and hire agreements a contractual obligation with set tasks.

Also known as: servicing, maintenance contract

Key points

  • Planned or preventive maintenance is scheduled servicing meant to stop failures; corrective maintenance fixes faults after they happen.
  • The contract should name the assets, the tasks, the frequency and the exclusions, such as misuse or third-party modifications.
  • Service levels put numbers on it: response time, rectification time and uptime, with service credits if the provider misses them.
  • On financed plant, who maintains the asset can affect the finance terms and the residual value set in the lease.
  • Check insurance, liability caps, subcontracting rules and handback obligations before you sign a maintenance contract.

What a maintenance obligation covers

Types of maintenance

Maintenance in finance and hire agreements

Example

Not to be confused with

Full service lease
a full-service lease builds the maintenance into the rentals instead of running it as a separate contract
Contract hire
contract hire is the hire agreement itself, which may or may not include maintenance

Frequently asked questions

What is the difference between maintenance and support?

Maintenance usually means keeping a physical asset in working order through scheduled servicing and repairs. Support usually means a helpdesk, troubleshooting and software fixes. Plenty of contracts combine the two, so read the scope rather than relying on the heading at the top.

Is maintenance covered by a manufacturer warranty?

Not usually. A warranty covers defects for a limited period, while scheduled maintenance is a separate contractual obligation unless the contract expressly includes it. Treat them as two different things, and check whether repair work carries its own defect liability period.

How are emergency call-outs charged?

The contract should say. Look for the call-out fee, after-hours charges, and whether emergency work is fixed price or billed on time and materials. Open-ended mark-ups on parts and third-party costs are the thing to watch, so agree the pricing method up front.

Can a provider subcontract maintenance?

Usually yes, but the contract should require prior approval and flow the same obligations down to the subcontractor. The provider stays liable for the subcontractor's performance. Unfettered subcontracting, with no responsibility for how the subcontractor performs, is a red flag.

What should a maintenance contract include?

A defined scope with exclusions, a maintenance schedule and frequency, measurable service levels and a method for measuring them, reporting and audit rights, access and safety obligations, the pricing model, liability caps, required insurances, and termination and handback terms.

Go deeper

Sources

This article is general information only and is not financial advice.