A job card goes by a few different names in the UK trades and field service world. Some people call it a job sheet, others say works order or service sheet. In practice, they all mean pretty much the same thing: the document that takes a job from the customer request stage through to completion.
It’s the thing that tells your engineers what needs doing, where they’re going, and what information needs recording once the work is finished.
Without a proper job card, things tend to get messy fast. Engineers arrive on site missing key details, office staff chase updates over the phone, and completed work ends up with little or no record attached to it. A simple job card fixes a lot of that. Even a basic template gives your team a clear process to follow from start to finish.
For businesses still relying on paper notes, WhatsApp messages, or memory to manage jobs, putting a proper template in place is usually the easiest improvement you can make. In this guide, we’ll break down exactly what a job card is, what information should go on one, how it compares to a job sheet or work order, and what a solid template should include for a UK field service business.
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What is a job card?
A job card is a document that records the details of a specific job: who ordered it, where it needs doing, what the work involves, what materials are required, and what was actually completed when the engineer finishes.
In practice, it serves two purposes at once. Before the job, it’s a briefing document: the engineer knows where they’re going, what they’re expected to do, and what they need to bring. After the job, it’s a record of what was done, how long it took, what was used, and whether the customer signed off.
Most field service businesses use job cards for every job, regardless of size. A five-minute call-out to replace a faulty socket and a two-day planned maintenance visit both need a record. The card scales to the job.
Job card vs job sheet vs work order
In most field service businesses, these three terms mean the same thing and are used interchangeably. If someone asks you to fill out a job sheet, a job card, or a works card, they’re asking for the same document.
There are some subtle distinctions worth knowing:
- Job card — the most common term in domestic trades (plumbing, electrical, heating, pest control). Often compact: one page, covering the essentials for a single visit.
- Job sheet — used slightly more in commercial and facilities management contexts. Tends to be more detailed, with sections for multiple visits, asset history, and compliance sign-offs. The Fieldmotion job sheet templates guide covers the fuller version in detail.
- Work order — more common in enterprise and facilities management settings. Follows a more formal authorisation process, often with multiple signatories. The work order explainer covers when this format is appropriate.
For most small and medium field service businesses, job card and job sheet are the same document with a different name. What matters is that the document is complete, accurate, and used consistently.
What goes on a job card?
There’s no single official format for a job card. Unlike electrical certificates or gas safety records, there’s no regulatory body prescribing the layout. But consistent fields have emerged across the industry because they represent the minimum information needed to run a job properly.
Customer and site details
- Customer name (and company name if commercial)
- Site address: full postcode, not a street name alone
- Contact name and phone number on site
- Any site access information (gate codes, contact on arrival, lone worker requirements)
Job reference
- Unique job number — essential for tracking, invoicing, and future reference
- Purchase order number if the customer requires one
- Date raised and date of the visit
Description of work What does the engineer need to do? This should be specific enough that the engineer can prepare properly. Not “fix boiler” but “boiler not firing — customer reports F1 fault code, check ignition and gas pressure.” Vague descriptions lead to unprepared engineers, longer visits, and more callbacks.
Materials and parts
- Parts required (pre-visit planning)
- Parts actually used (post-job record)
- Quantities and part numbers where relevant
This section matters more than many businesses realise. It feeds directly into job costing, stock management, and invoicing accuracy. If materials aren’t recorded against the job, they either get forgotten or estimated. Both cause margin erosion over time.
Labour
- Engineer name(s)
- Time on site: arrival and departure
- Total hours (including travel if applicable)
Work carried out A description of what was actually done, written after the job. This is the engineer’s account of the work. Not the original description of what was needed, but what happened. It’s what a customer reads if they have a query six months later, and what the next engineer reads if they attend the same site.
Outcome and follow-up
- Job status: complete, incomplete, return visit required
- Any issues found outside the original scope
- Recommended future work
Sign-off
- Engineer signature
- Customer signature confirming the work was completed to satisfaction
For commercial clients especially, a customer signature on completion is worth having. It resolves most disputes before they start.
UK-specific fields worth including Depending on your trade, you may want to add:
- Gas Safe registration number (gas engineers) — customers can verify your credentials directly from the job card, which is a simple trust signal that costs nothing to include
- NICEIC or NAPIT registration number (electricians) — customers increasingly check these before signing off completed electrical work
- F-Gas certification reference (refrigeration and HVAC)
- Your VAT number (if VAT registered) — HMRC requires this on any document issued in connection with a taxable supply
These take seconds to include and add a layer of professionalism that generic templates miss.
Free job card template
The job card template below (click to download) covers the fields listed in this guide in a single A4 format. It’s printable, works as a fillable PDF, and can be adapted for your trade by removing fields that don’t apply and adding any that are specific to your work.
A couple of practical notes on using it:
Give every job a number. Even if it’s just sequential (0001, 0002, 0003), a job number makes everything easier — finding records, linking invoices, answering customer queries. Without it, you’re searching through dates and descriptions every time.
Complete it before and after, not just after. The pre-visit section (description of work, materials to bring) is as valuable as the post-visit record. Engineers who arrive briefed do better work in less time.
Keep a copy. The customer gets the original. You keep a duplicate, whether that’s a carbon copy, a scanned PDF, or a digital record. A job card you can’t retrieve is almost as bad as no job card at all.
What goes wrong without a job card
The problems that come from skipping job cards are predictable. Most field service businesses encounter them at some point:
Invoicing disputes. A customer questions whether a part was fitted or a task was completed. Without a signed job card, the dispute is a conversation with no evidence on either side. With one, it’s a question answered in thirty seconds.
Callback analysis is impossible. If you’re getting a lot of return visits to the same sites, you want to know why. That analysis requires a record of what was done and when. Without job cards, callbacks are just an annoying cost with no explanation.
Job costing is guesswork. If materials aren’t recorded against jobs, you’re estimating your costs rather than calculating them. The job costing guide covers what that costs you in practice.
Engineers turn up unprepared. If the only briefing is a phone call or a text message, the engineer is working from memory. Job cards exist partly to fix the human memory problem — they make the briefing reliable and consistent regardless of who takes the call.
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Paper, PDF, or digital?
A printed job card works. For a sole trader doing a handful of jobs a week, a pad of pre-printed A4 sheets is a perfectly reasonable system. The problems emerge at scale.
Paper job cards get lost, damaged, left in vans, and returned to the office days after the job was done. Handwriting becomes illegible. There’s no way to see at a glance what’s outstanding. Every piece of information has to be re-keyed into an invoicing or accounting system.
A fillable PDF is a step forward: cleaner, easier to share by email, and harder to lose if stored in the cloud. Most of the free templates available online are in this format.
Digital job cards managed through a job management platform solve all of these problems. The job is created in the office, assigned to an engineer, and received on their phone. They complete it on site, capture a customer signature on the screen, and it’s back in the office system before they’ve left the car park. The invoice can follow the same day.
Fieldmotion’s mobile forms allow engineers to complete job cards on site with all the customer and job details pre-populated from the job record. There’s no re-keying, no lost paperwork, and the office has real-time visibility of what’s been completed. Our job management platform connects job cards to scheduling, invoicing, and customer records so the whole workflow, from booking to payment, runs through one system rather than several disconnected ones.
