For builders
Quote the whole job, send each payment by link when you reach the stage, and put your lads on the right site each morning.

You did the work in March. The last bill is still sitting there in May.
The customer asked for one more thing on site. You did it, shook hands, and forgot to charge.
Three sites, four lads, and the plan lives in your head and a group chat.
Staged payments
A kitchen extension, start to finish

They see the jobs you send them, record parts, take photos and fill in their timesheets. They never see your prices, quotes or customers.
Yes. Split the job into a deposit, stages and a final payment, and send each one by link.
CIS deductions are built in, so what you take off a subbie is worked out and recorded for you.
Yes. Give them their own free login, or connect Xero.
£12 a month for just you. See pricing.