Custom software development for service companies

Where custom software often helps

Closing the loop from job to invoice

A common gap is between completed work and invoicing. Paper job sheets wait in vans, details are unclear, and extra parts or time are forgotten. When engineers complete a mobile job sheet, recording work done, time, parts and a customer signature, the office can review and invoice the same day. Prices for parts and labour come from the system, so invoices are consistent.

Faster invoicing improves cash flow without any change to prices.

Mobile job sheets that engineers will use

• Today's jobs

  Address, contact, access notes and history in one place.

• Quick completion

  Common tasks and parts selected rather than typed.

• Evidence

  Before and after photos and customer signature.

• Offline working

  Job sheets saved without signal and sent later.

Managing service contracts

Scheduling engineers

Schedulers balance urgency, engineer skills, locations, parts availability and customer time slots. A visual board showing engineers' days, with unscheduled jobs alongside, makes this manageable. Software can warn when an engineer lacks a required skill or certification, or when travel between jobs is unrealistic, while leaving final decisions with the scheduler. Customers can be sent confirmation and an arrival window automatically.

A practical approach

1. 01

   Trace a job

   From first call to payment.

   Output: Process map

2. 02

   Mobile job sheets

   Replace paper with a simple app.

   Output: Same-day completion data

3. 03

   Scheduling

   Board for assigning and confirming visits.

   Output: Planned days

4. 04

   Contracts

   Recurring visits generated from agreements.

   Output: Fewer missed visits

5. 05

   Invoicing link

   Completed jobs passed to accounting.

   Output: Faster billing

Asset history

For firms servicing equipment, recording each visit against the specific asset, such as a boiler, lift, alarm panel or machine, builds a history that helps engineers diagnose faults and gives customers evidence of maintenance. Labels with a scannable code make finding the right asset on site quick.

Consistent quoting

Quotes prepared by different staff can vary widely for similar work. A quoting tool with standard tasks, labour rates and parts prices produces consistent quotes faster, while still allowing adjustments with a note. Accepted quotes can become jobs directly, carrying the agreed scope and price to the engineer and to the invoice. Tracking which quotes are accepted, and why others are not, helps refine pricing over time.

Follow-up reminders for unanswered quotes often recover work that would otherwise be forgotten.

Parts and van stock

Parts used on jobs are easy to forget on invoices and hard to track in vans. Recording parts on the mobile job sheet, from a list linked to stock, means they are billed and van stock is reduced automatically. Reorder prompts for vans and the store help engineers arrive with what they need, reducing return visits.

Customer communication

Automatic booking confirmations, reminders the day before and a message when the engineer is on the way reduce missed appointments and calls to the office. A job summary sent after the visit, with photos where useful, shows the customer what was done.

Keep messages short and include a simple way to rearrange.

Site safety records

Where your work requires risk assessments or safety checks before starting, these can be built into the job sheet so they are completed and recorded on each visit.