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Financial services · Confidential client

Billing reconciliation, cut from ~800 hours a month to almost none.

A large London accounting firm was reconciling client billing by hand across separate systems. We built an automation that reads, validates, posts and reconciles each bill, then tracks it through to paid, so the finance team now handles only the exceptions.

Client
Large London accounting firm
Sector
Accounting & finance
Service
Workflow automation
Result
~800 hrs saved / month

Context

The firm handles a high volume of client billing every month. Because the billing platform and the accounting ledger were never connected, staff moved figures between them by hand and checked them line by line before close.

The problem

Reconciliation consumed roughly 800 staff hours a month. The work was slow, easy to get wrong under deadline, and it pulled qualified finance staff away from work that actually needed their judgement.

What we built

We built an automation that reads each incoming bill, extracts the line items, checks them against the source records, and posts the matched entries straight to the ledger. It then reconciles each entry and tracks the bill through to paid. Anything that does not match is sent back for checking or routed to a person with the mismatch already flagged.

  1. 01Reads and extracts every incoming bill
  2. 02Validates line items against source records
  3. 03Posts matched entries to the ledger automatically
  4. 04Reconciles each entry and tracks it through to paid
  5. 05Routes only genuine exceptions to a person
Invoice automation
Runs on every inbound bill
Live
1Invoice received0.2s
2Extract line itemsprocessing
3Validate against POqueued
4Post to ledgerqueued
Processing time
3 days → 20 min
Error rate
0.4%
The invoice automation as the finance team sees it. Figures in the card are illustrative.

The decision that mattered

We chose not to replace either existing system. Rewriting the billing platform or the ledger would have been a far larger, riskier project. Instead we automated the gap between them, which kept the build inside the £1k to £10k range and let the firm keep tools its staff already knew.

The result
~800

staff hours removed every month

Days → mins

per-bill turnaround, from days to minutes

Exceptions only

what staff now spend billing time on

The service behind this
Workflow & process automation
See the service

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