Audit trail

Every change, every actor, every time.

Every edit is captured with timestamp, user and source, whether it came from the dashboard, chat, API or a messaging channel.

Free for 14 days, no credit card

accounts-os.com/audit-trail
Audit TrailLive
Who changed this invoice's amount?
FYou did, via chat, on 3 Aug. Originally £3,800, changed to £4,000.
FFinn logged it with timestamp and source.
Live

In short

AccountsOS captures a comprehensive audit trail: every data change recorded with timestamp, user, before/after values and source (UI, chat, API, MCP, messaging channel). Searchable, filterable, exportable: HMRC-grade evidence for any enquiry.

Every
Change logged
Source
Attributed
Exportable
For audit

Everything it does

What's captured

  • Timestamp + user
  • Before / after values
  • Source: UI / chat / API / MCP / WhatsApp / Slack / etc.
  • Linked entity (transaction / invoice / etc.)
  • API key attribution for programmatic actions

Capabilities at a glance

Comprehensive change logging

Before/after value capture

Source attribution

Searchable + filterable

Exportable for audit

API key + MCP call attribution

How It Works

1

Anything changes

UI edit, chat-driven action, API call, MCP: anywhere.

2

Logged

Timestamp, user, before/after, source, linked entity.

3

Search later

Filter by user, date, entity type, source.

4

Export for audit

CSV export for HMRC enquiry or accountant review.

Real-world Use Cases

HMRC enquiry

Show change history of every transaction with user attribution.

Co-founder review

See what changes your co-founder made last week.

Why founders pick this over the spreadsheet

HMRC-grade evidence on demand

Source attribution makes troubleshooting trivial

Roll back if needed

Frequently Asked Questions

What's captured?

Timestamp, user, before/after values, source channel, linked entity, API key attribution. Comprehensive: every data change.

Can I roll back?

Most transactional changes can be reverted from the audit log entry.

How long is it kept?

At least 6 years: HMRC retention. You can keep longer.

Searchable?

Yes. By user, date, entity, source. Exportable to CSV.

Ready to try Audit Trail?

Set up in minutes. Finn works in the background on your books, wherever you're based.

Free for 14 days, no credit card, cancel anytime