Over the past two months, I’ve been unusually quiet here.
Not because there’s nothing to say — but because I’ve been deep in conversations, systems, and numbers.
And what I’ve been seeing has been remarkably consistent across businesses.
Why Management Accounts Are Often Wrong
Most management accounts are not wrong because of bad accounting.
They are wrong because of what’s missing.
Many businesses struggle with inaccurate management accounts due to incomplete supplier reconciliation, missing invoices, and disconnected systems.
I’ve seen it repeatedly:
- Supplier balances that don’t reconcile to statements
- Invoices sitting outside the system — often buried in emails
- Costs incurred but never recharged to customers
- Jobs completed but not fully reflected in revenue
- Finance teams working hard to “close” — but still not fully confident in the numbers
The Real Problem: Missing Supplier Costs
This isn’t just a finance issue.
It’s a business problem.
If supplier invoices are missing:
- your cost base is incomplete
- your accounts are inaccurate
- and your margins are distorted
Without proper financial control, unrecharged costs often lead to hidden revenue leakage.
If the cost isn’t captured, it will never be recovered.
Why Supplier Reconciliation Matters More Than You Think
Supplier reconciliation is often treated as an admin task.
It isn’t.
If supplier balances are not reconciled to statements:
- you don’t know what you actually owe
- invoices are missing
- payments are made on incomplete data
Most importantly:
You lose visibility before you lose money.
And by the time you notice, it’s too late.
How Missing Costs Lead to Revenue Leakage
This is where the real issue sits.
Missing supplier invoices don’t just affect reporting.
They affect revenue.
- Costs are not recorded
- Costs are not recharged
- Revenue appears complete — but it isn’t
Over time:
- Margins are overstated or distorted
- Revenue is understated
- Decisions are made on incomplete data
Cash doesn’t just leak — it is never recovered in the first place.
The Gap Between Operations and Finance
Xero works.
It records what you put into it.
But businesses don’t operate in one system.
They operate across:
- Operations (jobs, delivery, projects)
- Finance (Xero)
- Documents and invoices
- Emails — where key financial information often sits
- Payments — handled separately
And between these:
Things don’t line up.
Part of the Problem Is Sitting in Emails
- Supplier invoices sent but not captured
- Queries and disputes buried in inboxes
- Approvals happening outside systems
- Critical financial context fragmented across conversations
Part of your financial reality is not in your accounting system.
What Needs to Change
This isn’t an accounting problem.
It’s a control problem.
What’s missing is a layer of financial control and truth.
A layer that sits between:
- Operations
- Finance
- Documents
- Emails
And ensures everything connects.
This layer should:
- Reconcile supplier balances to statements
- Detect missing invoices — not just what’s recorded
- Identify unrecharged costs
- Connect cost to revenue
- Surface what needs action
We don’t just reconcile what’s there — we detect what’s missing.
Why This Matters for Growing Businesses
This is one of the most common causes of inaccurate management accounts in growing businesses.
As complexity increases:
- more suppliers
- more invoices
- more systems
- more communication channels
Without control:
👉 gaps increase
👉 visibility decreases
👉 financial risk compounds
We’re Now Testing This in Practice
We’re working with a small number of mid-sized businesses using Xero to:
- fully reconcile supplier balances
- identify missing costs
- fix gaps between operations and finance
If this resonates with you and you recognise these issues in your own numbers, please feel reach out to me at Jeffrey@persofi.com
FAQ
Why are management accounts often inaccurate?
Management accounts are often inaccurate due to missing supplier invoices, incomplete reconciliation, and costs not being fully captured or recharged.
What causes revenue leakage in accounting?
Revenue leakage is typically caused by unrecharged costs, missing invoices, and gaps between operations and finance systems.
Why is supplier reconciliation important?
Supplier reconciliation ensures all invoices are captured and accounted for, preventing incomplete financial data and incorrect reporting.