The job finishes on Tuesday afternoon. The tech marks it done on their phone, snaps a photo and drives to the next site. Back at the office, the paperwork waits in a pile until someone has time. The invoice goes out Friday, or next Monday, or whenever the office catches up.
Nobody did anything wrong. The job app and the invoicing tool just do not talk to each other, so a person has to carry the details across. That person is usually your busiest one.
Why the gap matters more than it looks
Retyping is slow, but slow is not the real cost. The real costs are quieter:
- Cash comes in later. Every day between "job done" and "invoice sent" is a day you are not getting paid.
- Details get lost. The extra hour on site, the part swapped out, the second visit. If it is not on the invoice, you did that work for free.
- The office becomes the bottleneck. When one person is sick or on holiday, invoicing stops.
Step one: decide where the truth lives
Before connecting anything, decide which system owns which information. This sounds dull. It is the step most integration projects skip, and it is why so many of them break.
A common split looks like this:
- The job or field app owns what happened on site: time, parts, notes, photos, sign-off.
- The accounting tool owns money: prices, taxes, invoices, payments.
- The CRM, if you have one, owns the customer relationship.
Once that is clear, the integration has simple rules: job details flow one way into invoicing, and payment status flows back so the team can see it.
Step two: make "done" mean done
The trigger for the invoice should be the moment the job is marked complete, not the moment someone in the office gets to it. That means the completion step in the field app has to capture everything the invoice needs.
In practice, that usually means a short checklist before a tech can close a job: hours, parts used, any extras, customer sign-off. It adds a minute in the field and saves a lot more than that in the office.
Step three: connect, then check
With the rules set, the connection itself is usually the easy part. Most field service and accounting tools have APIs. Where they do not, there are dependable ways around it.
What matters more is what happens when something goes wrong. A good setup:
- Creates a draft invoice, so a person can glance over it before it goes out, at least for the first few weeks
- Flags anything it cannot match, like a part that is not in the price list, instead of guessing
- Tells someone if the connection stops working, instead of failing silently
That last point is the one people learn the hard way. A sync that quietly stops on a Thursday can mean a week of missing invoices before anyone notices.
What it looks like after
The tech closes the job. A draft invoice appears in accounting with the right customer, the right hours and the right parts. Someone in the office checks it in thirty seconds and sends it. The customer gets the invoice the same day the work was done.
The office has not been replaced. It has stopped typing, and started checking.
When you need more than a connector
Off-the-shelf connectors work well when your process is standard. They struggle when it is not: multiple price lists, jobs billed to a reseller instead of the end customer, or work split across several invoices. That is usually where a small custom layer earns its keep.
If you are not sure which camp you are in, list your last ten invoices and note anything unusual about them. If half of them have an exception, a generic connector will frustrate you. That is a good conversation to have before you buy anything.
Planning work like this? Part of it may qualify for Canada's SR&ED tax credits. Here is how SR&ED applies to custom development.