CPA Firm · Month-End Automation
From 3 Weeks to 4 Days: How a CPA Firm Automated Their Entire Month-End Close
Every month started the same way at Hartwell & Associates — an 18-person CPA firm in Chicago. Partners braced themselves. Junior staff worked late. And senior accountants did work that, frankly, a machine should have been doing all along.
18 → 4Business days to close | 94%Reduction in data entry errors | 40%More clients, same headcount | 6 hrsSaved per accountant per week |
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The Situation
Three weeks of pain, every single month
Sarah Hartwell had built a solid firm. Sixty business clients, a reputation for accuracy, and a team she trusted. But every month, around the 1st, the same slow grind began — and she couldn't shake the feeling that her people were too talented for what she was asking them to do.
The process looked like this: clients sent documents — or didn't, which meant chasing them over email. Someone manually downloaded bank statements and keyed transactions into their accounting system. Reconciliations were done line by line in Excel. Reports were formatted by hand before being sent out. It worked. It just cost about three weeks of everyone's time to make it work.
"We had a senior accountant with 12 years of experience spending her Monday mornings copying numbers from PDFs into a spreadsheet. That's not what I hired her for. That's not what she went to school for. I knew something had to change — I just didn't know what that looked like until Bizzroids showed us."
— Sarah Hartwell, Managing Partner
18 Staff | Chicago, IL | Founded 2009 | 60+ Business Clients |
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The Problem
What was actually happening under the hood
When the Bizzroids team did their workflow audit, they mapped out every step in the month-end process. The list was longer than Sarah expected.
Manual document requests sent via email — often ignored, requiring 2–3 follow-ups per client.
Bank feeds pulled manually and pasted into Excel for categorization.
Reconciliation done row-by-row — errors caught only during partner review, causing rework.
Financial commentary written manually — different tone and quality depending on who wrote it.
Report formatting done from scratch each month in Excel — no templates, no consistency.
The Solution
What Bizzroids built for them
Rather than dropping a generic automation tool into their workflow, Bizzroids spent two weeks mapping Hartwell's exact process, client types, and edge cases — then built a copilot system tailored specifically to how their firm worked.
Layer 1 — Document Collection
A smart client portal replaced email entirely. Clients receive automated, branded requests. The system tracks what's been submitted, what's missing, and sends follow-up nudges automatically — no manual chasing.
Layer 2 — AI Data Extraction
Once documents arrive, the copilot extracts transaction data from bank statements, invoices, and receipts automatically — categorizing each line against the firm's chart of accounts without any manual input.
Layer 3 — Exception-Based Reconciliation
The system reconciles all accounts automatically and only surfaces mismatches, anomalies, or items requiring judgment. Accountants review exceptions — not every line. This alone saved 60% of the reconciliation time
Layer 4 — Report Generation + Commentary
The copilot generates formatted P&L, balance sheet, and cash flow reports automatically — and drafts client-facing commentary that the accountant reviews and approves. What used to take 3 hours per client takes under 20 minutes.
The Results
What happened in the first 90 days
The first month after deployment, the team didn't fully trust it. They ran parallel checks on everything the copilot produced. The error rate on AI output was lower than on their manual process.
By month three, Hartwell & Associates had reduced their close cycle from 18 business days to 4. Senior accountants were doing advisory calls with clients — calls they'd been too busy to schedule before. And Sarah had taken on 12 new business clients without making a single hire.
4 days Month-end close (was 18) | 94% Fewer data entry errors |
+12 New clients, no new hires | 6 hrs Saved per accountant weekly |
"
I used to dread the first of the month. Now it's just another day. The work that used to consume three weeks of our team's life is just... handled. Our accountants are doing the work they actually want to do, and we've taken on more clients than I thought possible without burning anyone out.
Sarah Hartwell — Managing Partner, Hartwell & Associates
