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The Only Bookkeeping Article You’ll Ever Need – For Founders
Published 
February 19, 2025

The Only Bookkeeping Article You’ll Ever Need – For Founders

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In this article

Most founders have hit the breaking point with bookkeeping advice. Between tax deadlines, financial management tips, and accounting jargon, it's impossible to know what actually matters.

That's why we've created the only bookkeeping guide you'll ever need.

What you’ll find here:

  • Essential bookkeeping terms every founder needs to know
  • A complete monthly and quarterly financial checklist
  • Key 2025 financial deadlines you can't afford to miss
  • Tools to automate tedious tasks that will save you hours each month
  • When to hire help (and how to know you're ready).


You'll get a practical roadmap to keep your books organized while you focus on what matters most: growing your company.

Why Are Accurate Financials Important

When you're deep in founder mode, it's tempting to apply the 80/20 rule to everything, including your finances. Don't attempt this with your bookkeeping. While most startup operations can tolerate some imprecision, financial accuracy is non-negotiable. 



Accurate financials impact:

  1. Fundraising: Investors expect transparency. They’ll ask for your up-to-date books and real-time financial insights during fundraising.
  2. Decision-making: Reliable data means smarter decisions on burn rate, runway, and future hires.
  3. Compliance: Nobody wants to scramble through a last-minute audit or risk fines from tax missteps.

Bookkeeping tracks the day-to-day financial activity of your business, like recording transactions and managing cash flow. Accounting, on the other hand, interprets this data to create insights, reports, and strategies. 

Simply put: bookkeeping is the foundation, and everything else in accounting builds on it.

Dictionary of Key Bookkeeping Terms


Monthly Bookkeeping Checklist for Founders

Consistency beats chaos. Use this checklist to keep your finances in top shape.

This is just a simple checklist—your team may have additional tasks to consider. Download the checklist here and save it to your Notion workspace.

Key 2025 Deadlines:

  • Delaware Franchise Tax: March 1
  • Annual Returns: March 15 (S-Corps and Partnerships), April 15 (C-Corps, Single-Member LLCs, and Sole Proprietors filing on Schedule C).
  • Corporate and Individual Taxes: April 15 (Form 1120 for C-Corps, Form 1040 for individuals, and Schedule C for sole proprietors and single-member LLCs).

💡Life hack: Puzzle’s dashboard highlights all upcoming deadlines founders need to track, keeping you ahead of compliance and operational requirements. 

Which Financial Statements Matter

These statements form your startup's financial foundation:

  1. Balance Sheet: Shows your assets, liabilities, and equity at a specific point in time, like year-end. It provides a snapshot of your startup’s financial health and stability.
  2. Income Statement: Tracks your revenues and expenses to reveal profitability.

Balance sheets and income statements are used for taxes and fundraising. Cash flow statements aren't always required externally, but they’re just as vital - poor cash management kills startups fast.

Tools to Simplify Bookkeeping for Busy Founders

Efficiency matters, especially when time is scarce. Here are tools that can lighten your bookkeeping load:

  1. Spend Management: Ramp automates expense categorization and enforces spending controls, giving you real-time visibility into your cash flow.

  2. Accounting Integration: Puzzle gives you real-time access to your startup’s key metrics—cash, burn, ARR, and more. Our append-only general ledger guarantees every transaction is traceable to its source, ensuring audit-level accuracy.

  3. Payments & Document Management: Make sure you automate payments, streamline payroll, and keep documents organized with integrated payment systems. 

All of this will only help if you decide to hire a bookkeeper later—they’re only as effective as the software you’re using.

When Should I Hire a Bookkeeper?

Your startup needs a bookkeeper when DIY financials start to block growth. 

The tipping point varies by business model. Consider hiring when untangling expenses takes more time than building your product, or when messy books start affecting investor discussions.

Cost shouldn't be the deciding factor. A good bookkeeper typically runs $1-3K monthly. But they free up 5-10 hours of founder time while reducing costly mistakes. That's a clear ROI for most growing startups.

Here's a more in-depth guide on when to hire a bookkeeper for your startup!

Clean books create the foundation for strategic growth. With the right tools and habits, you can focus less on manual processes and more on scaling your business. 

Take control of your finances today with Puzzle and Ramp

Let us help you solve your financial puzzles.

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