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Nathan
Bookkeeping & Reconciliation

Daily Bank Reconciliation, GL Maintenance, and Month-End Close on Autopilot

55% reduction in monthly bookkeeping time, daily reconciliation instead of monthly, 99.2% auto-categorization accuracy

Junior Bookkeeper ($35-45K/yr) — replaced Deploys in 4-6 weeks

The problem

Your junior bookkeeper costs $35-45K a year and still cannot keep up. Every month follows the same grind: download bank feeds, match transactions to invoices, categorize expenses against each client's chart of accounts, reconcile GL balances, chase clients for missing receipts, and pray the trial balance ties out before you run out of time.

The inefficiency is structural, not personal. Each client has a different chart of accounts, different vendor naming conventions, different receipt habits, and different levels of financial literacy. A bookkeeper handling 20 clients must context-switch between 20 different GL structures, remembering that "Amazon" in Client A's feed is office supplies (6210) while "Amazon" in Client B's feed is inventory (1310). This cognitive load leads to miscategorizations that surface during review, creating rework cycles that push month-end close from 3 days to 10.

Bank feed reconciliation is where the real time disappears. Duplicate transactions from Stripe payouts overlapping with bank deposits, split payments across credit cards and operating accounts, foreign currency conversions with different settlement dates, and intercompany transfers that need elimination entries — all require manual matching. The average reconciliation backlog across the industry is 45 days, meaning clients are making decisions on financials that are six weeks stale.

Nathan is your AI Bookkeeper. He pulls bank feeds from QuickBooks and Xero every morning at 6 AM, categorizes transactions using client-specific GL mappings learned from 12 months of history, matches receipts against bank transactions with OCR and fuzzy matching, reconciles all accounts by 9 AM, and sends you a Slack message: "23 clients reconciled. 4 need attention: Client Acme has 3 unmatched transactions totaling $4,200. Client Baker has a $890 variance on the operating account. [Review] [Auto-match] [Flag for client]." You review the exceptions. Nathan handles the volume.

Junior Bookkeeper ($35-45K/yr) — replaced
That is why you need Nathan.

How it works

How Nathan works, step by step

Each step is automated. Nathan only escalates when human judgment is required.

1
Daily 6:00 AM — bank feed sync and transaction ingestion

Nathan pulls overnight transactions from all connected bank and credit card feeds across all clients, applies client-specific chart of accounts mappings built from historical categorization patterns, and matches transactions against open AP invoices, known recurring expenses, and payroll entries

2
New receipts and invoices arrive via email forwarding, Dext, or client upload

Nathan extracts vendor name, amount, date, sales tax details, and line items using OCR, then matches each document to the corresponding bank transaction using amount, date proximity, and vendor matching. Matched pairs are auto-posted to the GL with the source document attached

3
Daily 9:00 AM — bank reconciliation across all client accounts

Nathan reconciles yesterday's bank feed against expected GL balances for every client. Matched items are auto-confirmed. Unmatched items (unknown vendors, unexpected amounts, intercompany transfers needing elimination) are flagged and sent to the assigned accountant via Slack with one-tap categorization options

4
Transaction categorization confidence falls below threshold for a line item

Nathan flags the transaction for accountant review with its best-guess GL account code, the reasoning based on similar historical entries, and the three most likely alternatives. The accountant's correction trains Nathan's model for that specific client's patterns

5
Month-end close cycle initiated (1st business day of new month)

Nathan runs the full month-end close checklist: posts accruals and prepaids, calculates depreciation (MACRS for US clients, straight-line or diminishing value as configured), reconciles intercompany accounts, generates the preliminary trial balance, and flags any accounts with unusual variance from the trailing 12-month average

6
End of day at 5:00 PM

Nathan sends a daily bookkeeping digest to the assigned accountant: clients reconciled today, unresolved exceptions count, month-end close progress by client, and any GL accounts that are out of balance. The accountant reads it in 90 seconds and knows exactly where to focus tomorrow

What Nathan handles vs. what stays with you

Clear boundaries. Nathan works autonomously within defined limits and escalates everything else.

Nathan handles
  • Nathan pulls overnight transactions from all connected bank and credit card f...
  • Nathan extracts vendor name, amount, date, sales tax details, and line items ...
  • Nathan reconciles yesterday's bank feed against expected GL balances for ever...
  • Nathan flags the transaction for accountant review with its best-guess GL acc...
boundary
Your team handles
  • Accountants review and approve all reconciliations before periods are closed — Nathan never auto-finalizes client books
  • Complex journal entries, adjusting entries, and accrual reversals are prepared by qualified accountants
  • Tax-impacting categorization decisions (capital vs. operating expense, Section 179 vs. MACRS, personal vs. business use) require accountant review
  • Client financial advice, interpretation of results, and strategic recommendations remain exclusively with firm professionals
  • Any trial balance discrepancy exceeding firm-defined materiality triggers mandatory human review

Integrations

Works inside your existing tools

Nathan connects to the platforms you already use. No new software to learn.

QuickBooks Reads & writes
Xero Reads & writes
Bank Feeds Reads from
Slack Writes to

Implementation

From zero to Nathan

Nathan is deployed gradually with measurable checkpoints at every stage.

Deploy time
4-6 weeks
Monitoring mode first, then gradual rollout
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Data required
  • Accounting platform API credentials and chart of accounts for each client
  • Bank feed connection credentials and transaction history (minimum 12 months for pattern learning)
  • Client-specific categorization rules and vendor mapping tables
  • Firm review and approval workflow configuration
  • Receipt and document storage integration credentials (Dext, Hubdoc)
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Pilot process

Pilot begins with 5-10 clients representing a mix of business types and transaction volumes. Nathan processes one month in parallel with the existing bookkeeping workflow, and the team compares categorization accuracy, reconciliation completeness, and time savings.

Full validation before production deployment

Your AI team

Works alongside Nathan

These AI employees share data and coordinate with Nathan to cover your full operation.

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Deploy Nathan for your accounting operations

Start with a 90-minute discovery session. We will assess whether Nathan is the right fit for your workflows and show you exactly what changes.