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DefinitionField service management
Field service management, or FSM, means the planning, steering and documentation of field service jobs — and equally the software category that supports it. FSM systems are standard today. They solve the capacity problem well and the diagnosis problem not at all — and that distinction decides whether an investment pays off.
What field service management covers
FSM covers the entire path of a service order: intake and prioritisation, appointment setting, dispatch to a technician and slot, route planning, mobile job handling on site, spare-part booking, time recording, customer sign-off and invoicing. On top of that come contract and SLA administration, maintenance plans, and management of the equipment installed at the customer.
As a software category FSM is mature. The common suites cover this chain end to end and integrate with ERP and CRM. If you still dispatch with a spreadsheet and a phone, an FSM rollout delivers fast and reliable gains.
Where the limit sits
An FSM system optimises what happens to a decision. It does not improve the decision itself. It routes the technician efficiently to the appointment, but it does not say which part to bring — that would require knowing what is broken. And that is exactly where the largest cost block in service sits.
This is not a criticism of the product but a question of layer. The dispatch decision improves through diagnostic quality, not through scheduling logic. That is why FSM rollouts often return less than hoped: the bottleneck was elsewhere, and the software made it visible rather than solving it.
How the layers complement each other
The FSM stays the system of record for order, job and invoicing — that is where it belongs and nobody should replace it. The diagnosis and decision layer sits above it: structured symptom capture, remote diagnosis, cause probabilities, part suggestion. It feeds its results into dispatch and writes back what turned out to be true.
The separation has a practical advantage: it avoids the conflict with an IT function that rightly defends its system of record — and it makes improvement measurable, because the effect reads directly off the first-time fix rate.
In short
Field service management covers the planning, dispatch, execution and documentation of service jobs, plus the corresponding software category. FSM organises the job excellently but does not improve the quality of the decision that dispatched it.
