Companies House ACSP and ID verification pack
Procedures and records for firms registered as Authorised Corporate Service Providers that verify identities and file for clients at Companies House.
UK practicesWhat an ACSP must doDocument in the pack
Verify identity to the Companies House standard
✓ACSP procedures
Keep verification records for 7 years
✓ID verification logWorks out the retention date and flags missing items
Get directors and PSCs verified
✓Letter to directors and PSCs
Control who verifies and files
✓Staff authorisation listSigned off by a partner
Who it's for
UK accountancy practices registered, or registering, as ACSPs.
Last checked
Checked against Companies House guidance in October 2026.
