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Bloomberg Terminal for your books

Your Deterministic Bookkeeper
That Actually Understands
Your Business

Rule-based bookkeeping that handles transaction categorization, tax forms, depreciation, compliance monitoring, and estimated taxes — so you can focus on growing your business.

Start Free Trial
50+
Bank Formats
High
Parsing Accuracy
10hrs+
Saved Monthly
TransactionFlow — Business Assistant by Nalepa Labs
Live Demo Click a transaction to see the engine in action
Matching Transaction...
Transaction
Categorized As
Match Confidence
Why This Match:
Suggested from your prior entries in this account
Deterministic Engine
Simple Workflow

From Statements to Tax Forms in Minutes

A streamlined workflow takes you from raw bank statements to IRS-ready tax forms with minimal effort.

1

Upload Statements

Upload bank and credit card statements as PDF files. The parser detects the bank format and extracts transactions.

2

Review & Categorize

Review extracted transactions. String-match hints surface categories based on prior coding patterns. Create rules to keep future transactions consistent.

3

Approve & Post

Approve transactions and post to your general ledger with one click. Your books stay current and ready for tax season.

4

Generate Reports

Generate IRS tax forms, P&L statements, and balance sheets instantly. Export to PDF or Excel. Ready for tax season.

app.omtransactionflow.com/dashboard
Revenue
$47,250
12% vs last month
Expenses
$18,340
5% vs last month
Net Income
$28,910
23% margin
Pending
24
transactions to review
Monthly Revenue Last 6 months
SepOctNovDecJanFeb
Expense Categories This month
Software & Tools $4,250
Marketing $3,800
Office Supplies $2,100
Professional Services $1,890

Your business insights at a glance — real-time data, charts, and actionable reporting.

Why Switch?

Your Deterministic Bookkeeper Replaces Hours of Manual Work

Every task a human bookkeeper does — templated, rule-matched, and available around the clock.

Human Bookkeeper
  • Categorize bank & credit card transactions
  • Assign and manage vendors
  • Reconcile bank statements
  • Generate Profit & Loss reports
  • Prepare IRS Schedule C
  • Track vehicle mileage & expenses
  • Calculate MACRS depreciation
  • Compute home office deductions
  • Calculate self-employment tax
  • Monitor S-Corp compliance (50 states)
  • Estimate quarterly tax payments

Typical cost: $50–100/hour

Built In
TransactionFlow
  • All of the above, built into one platform
  • Rule-matched categorization from your prior coding
  • Templated vendor detection & assignment
  • Bank statement PDF parsing (50+ formats)
  • IRS-ready Schedule C draft
  • Full MACRS depreciation engine with Section 179
  • Vehicle expense comparison (standard vs actual)
  • Home office deduction calculator
  • Voice-guided Business Assistant

Starting at $35/month

Categorization Engine

How Categorization Actually Works

No buzzwords. Deterministic string-match rules that get more accurate as you keep building them.

1 · Upload

Drop Your Statement

Upload PDF bank or credit card statements. Works with 50+ banks including Chase, BofA, Wells Fargo, and more.

Chase Bank of America Wells Fargo +47 more
2 · Match

Engine Suggests Categories

The engine reads each transaction's merchant and description, suggests a category based on your prior coding rules, and assigns the vendor — all in seconds. You stay in control of every entry.

50+
Banks Supported
Fast
Per-Transaction
3 · Review

Ready for Review

Review categories and vendor assignments, make corrections if needed, and post to your general ledger. Each correction adds a new rule for next time.

One-click approval
Templated vendor assignment
Create custom rules
Rules grow as you correct entries

Real Example

See how the engine categorizes an actual transaction

Imported Transaction
AMZN*MKTPLACE AMZN.COM/BILLWA #1234567890
Jan 15, 2026
$127.43
Pattern Matching
Categorized As
Office Supplies
Vendor Assigned
Amazon.com, Inc.
Ready for 1099 tracking
Match Confidence
97%
Why This Match:
Amazon Marketplace purchase. Suggested 'Office Supplies' because that's how you previously coded Amazon entries in this account. Vendor 'Amazon.com, Inc.' assigned for your 1099 tracking — review and approve before posting.
Suggested from your prior Amazon entries in this account
More Than Just Bookkeeping

Tools Every Business Owner Should Have

Everything you need to stay on top of your finances, taxes, and IRS compliance — so you don't miss a thing.

Dashboard

Business Owner Dashboard

Visual insights into your business at a glance. Track revenue, expenses, cash flow, and profitability with charts and real-time data.

Available Now
Tax

Estimated Tax Calculator

Calculated quarterly estimated tax payments based on your actual financials. Know exactly how much to set aside for each IRS payment deadline — no more surprises at tax time.

Available Now
Assets

Asset Depreciation Tracker

Create and manage depreciation schedules for all your business assets. MACRS, Section 179, bonus depreciation, and Section 280F luxury auto limits — all IRS Publication 946 compliant.

Available Now
Vehicle

Vehicle Expense Log

Track your business mileage and vehicle expenses the IRS way. Log trips, compare standard mileage rate vs. actual expenses, and know which deduction method saves you more.

Available Now
Office

Home Office Deduction

Calculate your home office deduction with both the simplified method and regular method (Form 8829). Enter your square footage and expenses — we handle the IRS math.

Available Now
1099

1099 Expense Reports

Vendors are assigned to every transaction via string-match rules — something most bookkeepers and business owners skip, which creates major headaches at 1099 time. Track 1099 expenses per vendor with payment method filtering.

Available Now
Loans

Loan Amortization Tool

Create amortization schedules for any business loan. Expense interest and track principal payments. Perfect for SBA loans, equipment financing, and more.

Available Now
Reconcile

Bank Reconciliation

Built-in bank reconciliation with calculated matching to avoid duplicates. Cross-reference transactions between accounts with a clear audit trail.

Available Now
For Startups

Personal Bank & CC Expense Tool

No more guessing how to book expenses paid from personal funds. The guide shows exactly how to treat money paid from personal bank accounts, debit cards, and credit cards.

Available Now
Not an Accountant? No Problem.

We've Got Your Back

You don't need to be an accountant or bookkeeping expert. Built-in tools help you stay compliant and confident.

For S-Corp Owners

S-Corp Compliance Tool

Peace of mind for S-Corp owners. The upcoming compliance module will check your business against IRS regulations — federal rules, state-specific requirements, payroll obligations, and filing deadlines.

Coming Soon
Guide

Interactive Bookkeeping Guide

Learn the rules and regulations as you go. The built-in guide explains how to treat different types of transactions, what categories to use, and the IRS rules behind each decision — all connected directly to the software.

Available Now
Assistant

Ask Your Assistant

Still unsure? Ask your Business Assistant — a voice helper that knows every page, every button, and every workflow. Talk naturally, get step-by-step guidance, and never feel lost navigating the software.

Available Now

We're Just Getting Started

New features keep arriving — business owners deserve tools that help them run their business more efficiently. The mission: give you everything you need without the complexity or the price tag.

Early adopters get access to all current and upcoming features at the same price. While some advanced add-ons may be offered separately in the future, every plan is packed with as much value as possible.

Stay tuned — more is on the way.
Powerful Features

Everything You Need, Nothing You Don't

Professional accounting tools — deterministic by design. No bloat, no complexity.

Built-In Engine

Suggested Categories & Vendors

The engine suggests a category and vendor for each transaction based on your prior coding — you stay in control and approve before posting, so your books match how you keep them.

You
Approve every entry
50+
Bank Formats
AMZN*MKTPLACE...
→ Office Supplies — review and approve
Tax Forms

IRS Tax Forms

Schedule C, SE, and 4797 auto-generated in PDF format.

C
Schedule
SE
Schedule
4797
Form
IRS-compliant formatting
You
Stay in Control
Review and approve every entry
Banks
50+
Bank Formats Supported
Chase BofA Wells Fargo
Plaid

Plaid Bank Sync

Connect 12,000+ banks and credit unions. Transactions import daily on a schedule with bank-level security.

Daily scheduled import
12,000+ institutions
256-bit encryption
Set it and forget it
Scheduled Sync
Connection

Plaid Bank Connection

Connect 12,000+ banks and credit unions. Transactions import on a daily schedule.

Bank-Level Security
256-bit encryption
12,000+ institutions
Depreciation

MACRS Depreciation

IRS Publication 946 compliant. Section 179, bonus depreciation, luxury auto limits.

MACRS GDS/ADS
Section 179 deduction
Section 280F limits
Assistant

Meet Your Business Assistant

A voice-first helper that knows every button on every page. Ask anything — your Assistant guides you through workflows in plain English.

Natural voice interaction
Context-aware guidance
Step-by-step onboarding
Voice-First Page-Aware
Reports

Financial Statements

Generate Profit & Loss, Balance Sheet, and Trial Balance reports instantly. Filter by date, compare periods, export to Excel or PDF.

Profit & Loss
Balance Sheet
Trial Balance
Profit & Loss
Jan 1 – Dec 31, 2025
Revenue $142,580
Service Income $128,400
Product Sales $14,180
Expenses $67,240
Payroll $38,500
Rent & Utilities $14,400
Software & Tools $8,640
Office Supplies $5,700
Net Income $75,340

See all features in action

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Document Parsing & Assistant

Your API Key, Your Control

The deterministic categorization engine is included in every plan. For optional document parsing and the Business Assistant — both powered by third-party providers like OpenAI and Anthropic — pick how you want to pay.

BYO Key

Bring Your Own Key

  • Use your own OpenAI or Anthropic API key
  • Pay only for the document-parsing calls you make
  • Full transparency on every API cost

Best for: power users, high-volume firms

Platform Key

Platform Key (Included)

  • Works immediately with zero setup
  • Document-parsing and assistant usage included in your subscription
  • Simple, predictable monthly pricing

Best for: solo practitioners, getting started

Pricing

Simple, Transparent Pricing

Start with a base subscription. Add bundles to save more.

Base Subscription

Base Subscription

Bring Your Own OpenAI or Anthropic API key for document parsing & assistant Document parsing and assistant included — no API key needed

/mo
Standalone GL pricing shown.
Use your own OpenAI or Anthropic API key for PDF parsing and the assistant. You control those direct costs. The categorization engine stays deterministic and is always included.
Document parsing and Business Assistant included. No API key needed. Unlimited usage built right in.
Rule-based categorization engine
All reports + Schedule C, SE, 4797
Plaid bank sync
MACRS depreciation engine
Business owner dashboard
Email support
Accountant

Accountant

For accounting professionals

Free
Free platform access
Per-client billing applies ($20-$35/client/mo)
Manage your clients with professional-grade tools at no cost. Clients subscribe individually.
Full platform access
Multi-client management
All reports + tax forms
Accountant dashboard
Team role management
Get Started Free
Add-On Bundles

Save More with Commitment Bundles

Add these bundles to your base subscription. Longer commitments unlock bigger savings.

PDF Document Parsing

For businesses with PDF invoices, receipts & statements

Duration Monthly Rate Total Price Savings
6 months
12 months
24 months BEST VALUE
25+ months Pay as you go

Plaid Bank Integration

Scheduled transaction import from your bank

Duration Monthly Rate Total Price Savings
6 months
12 months
24 months MAX
Maximum commitment period is 24 months (Plaid partnership limitation)

BYO vs. Platform Key — What's the difference?

Both options include every feature. With BYO, you use your own OpenAI or Anthropic API key for document parsing and the Business Assistant — you pay the provider directly for those calls. With Platform Key, those usages are fully included in your subscription. Same powerful features, different billing model. Core categorization is deterministic and always included.

Calculate Your ROI

See how much time and money you'll save

hours
$ /hour
Time Saved/Month
hrs
75% reduction
Money Saved/Month
$
Based on time saved
Annual Savings
$
Per year

ROI:

Social Proof

Built for Accounting Professionals

See what real users are saying about their experience

50+
Bank Formats Supported
High
AI Accuracy
10hrs+
Saved Monthly
100%
IRS Aligned
Bank-Level Security
256-bit encryption
IRS Standards
Based on Pub 946
24/7 Processing
AI never sleeps
Growing Daily
Join early adopters
Business Assistant

Hey! I see you're on the Transactions page. Want me to walk you through categorizing your first batch? Just click any row to get started.

Voice-First Guidance

Meet Your Business Assistant

Your Business Assistant is a voice-first helper that knows every page, every button, and every workflow in TransactionFlow. No manuals, no support tickets — just ask.

Voice-First Interaction

Talk to your Assistant naturally. It listens, understands context, and responds with clear voice guidance — hands-free help while you work.

Page-Aware Help

Your assistant knows exactly which page you're on and what actions are available. It gives relevant tips, not generic answers.

Guided Onboarding

From your first login to generating tax forms, your Assistant walks you through every step so you're never lost.

For Accounting Professionals

Are you an accountant?

Managing multiple clients? The Accountant Hub gives you multi-client dashboards, team management, and professional-grade tools all in one place.

Why Choose Us

Built for Accounting Professionals

Whether you're a solo bookkeeper or managing multiple clients, TransactionFlow product of Nalepa Labs™ scales with your practice.

Save 10+ Hours Per Client

Rule-driven statement parsing and categorization eliminates manual data entry. Process a year of statements in minutes, not hours.

Industry-Leading Accuracy

Our deterministic parser handles complex statement formats with industry-leading accuracy. Built-in validation ensures your numbers always balance.

Manage All Your Clients

Organize clients by team. Each client has their own chart of accounts, bank accounts, and reports. Per-client subscription model.

IRS Compliance Built-In

Tax forms match official IRS specifications. MACRS depreciation follows Publication 946. Section 179 and 280F limits are regularly updated.

By The Numbers

50+

Bank Formats Supported

High

Parsing Accuracy

10x

Faster Processing

Full

IRS Aligned

Nalepa Labs™ TransactionFlow
Write-Up Packages

Need to Catch Up on Past Months?

Commitment-based write-up bundles to process historical transactions. Longer commitments unlock bigger savings.

PDF Document Parsing

PDF invoices, receipts & statements

Duration Rate Total Savings
6 mo
12 mo 3% ($12)
24 mo BEST
25+ mo Pay as you go

Plaid Bank Integration

Scheduled transaction import

Duration Rate Total Savings
6 mo
12 mo
24 mo MAX
Max 24 months (Plaid partnership limitation)

How Write-Up Packages Work

1
Choose your commitment
2
Upload old statements
3
Engine matches them all
You're caught up
Limited Time: 7-Day Free Trial

Ready to Transform Your Workflow?

Join accounting professionals who are saving hours every week with templated workflows and calculated bookkeeping. Start your free trial today — no credit card required.

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Full feature access
Cancel anytime
24/7 support
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Business Assistant
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Business Assistant

Business Assistant

Ask me anything!