BookKeptevidence chain
If you run contractors

Your evidence is in four places

Spreadsheet
Timesheets
Whoever is in that week
A folder
KIDs
Issued, mostly
An inbox
Umbrella checks
Someone chased it once
Accounts
Invoices
Both directions

Then one question arrives that crosses all four: was this worker told what they would be paid, did the money match, and had you checked the company that paid them.

And the ground keeps moving

On dates already in the diary

In force Joint and several liability
An umbrella fails on payroll, you can carry it. No due-diligence defence.
1 Oct 2026 Right-to-work reform
The scheme reaches beyond employees to how contract staffing engages people.
Announced Umbrella regulation
You answer for the umbrellas you pay through.
One record instead

Vacancy to paid invoice, joined

Placement Timesheet Approval Both invoices KID Right to work Umbrella

audit 4c1f9e02…a77b · hash-chained · never edited, never deleted

Every compliance act dated, sourced and evidenced. The join an inspector asks for is the product, not an export somebody builds the night before.

BookKeptevidence chain

The back office for UK contract recruitment. Compliance by default.

bookkept.co.uk