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Bookkeeping Basics for New Businesses

Learn the essentials of setting up and maintaining accurate bookkeeping systems for your business from day one.

Reading time: ~15 minutes
Last updated: April 23, 2025
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Why Proper Bookkeeping Matters

Understanding the foundation of your business finances is critical to making informed decisions and ensuring long-term success.

The Foundation of Business Success

Bookkeeping is more than just tracking expenses and income--it's the financial backbone of your business. Without accurate records, you're essentially operating in the dark. According to the U.S. Small Business Administration, poor financial management (including inadequate bookkeeping) is one of the top reasons small businesses fail within their first few years.

Proper bookkeeping provides critical insights that help you:

  • Make informed business decisions based on accurate financial data
  • Identify cash flow issues before they become critical problems
  • Monitor profitability of different products, services, or business segments
  • Prepare for tax season without the last-minute scramble
  • Secure financing by presenting organized financial records to lenders
  • Track business growth with reliable metrics and benchmarks

Even if you plan to hire a professional bookkeeper or accountant (which we recommend), understanding the basics of bookkeeping will help you communicate effectively with financial professionals and make better business decisions.

Key Benefits of Proper Bookkeeping

Implementing solid bookkeeping practices from the start delivers numerous advantages:

  1. Simplified Tax Compliance: Well-organized records make tax filing straightforward, ensure you claim all eligible deductions, and reduce the risk of costly audits.
  2. Clear Financial Visibility: Access to real-time financial data lets you spot trends, identify issues, and capitalize on opportunities before they pass.
  3. Easier Financing: Lenders and investors require clear financial statements that demonstrate your business's health and growth potential.
  4. Improved Budgeting & Forecasting: Historical financial data helps create realistic budgets and forecasts for future planning and resource allocation.
  5. Accurate Business Valuation: Clean financial records are essential when determining your business's worth for potential sale, partnerships, or securing investment.
  6. Reduced Stress & Increased Confidence: Knowing exactly where your business stands financially brings peace of mind and empowers confident decision-making.

The time and resources you invest in establishing proper bookkeeping systems will pay significant dividends throughout your business journey.

Estimate your potential savings: Use our interactive tool to see how much time and money you could save by streamlining your financial tasks versus handling them in-house.

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Getting Started: Core Bookkeeping Essentials

Follow these fundamental steps to establish a solid bookkeeping system for your new business in 2025.

Step-by-Step Implementation Guide

  1. Separate Business and Personal Finances Open a dedicated business bank account and obtain a business credit card. This separation is crucial--commingling funds creates accounting nightmares, tax complications, and can jeopardize liability protection for LLCs and corporations.
  2. Choose an Accounting Method Decide between cash-basis accounting (recording transactions when money actually changes hands) or accrual-basis accounting (recording transactions when they're earned or incurred, regardless of payment timing). Most small businesses start with cash-basis for simplicity, but accrual provides a more accurate picture of financial health and may be required in certain situations (e.g., businesses with inventory or large revenues). Consult an accountant if unsure.
  3. Set Up Your Chart of Accounts (COA) Create a structured list of all financial accounts for organizing transactions. A well-designed COA includes categories for Assets, Liabilities, Equity, Revenue, and Expenses, with relevant subcategories for your specific business activities (e.g., 'Software Subscriptions' under Expenses).
  4. Select Bookkeeping Software Choose accounting software that fits your business size, complexity, and budget. Consider ease of use, features (invoicing, payroll, inventory), integrations, and reporting capabilities.
  5. Implement a Receipt Management System Establish a consistent method for capturing, storing, and organizing receipts and invoices (both paper and digital). Use digital tools like Dext, Expensify, or your accounting software's mobile app features to streamline this. Keep records according to IRS and state retention guidelines.
  6. Create Recurring Bookkeeping Routines Develop and stick to daily, weekly, and monthly procedures. Examples: Daily transaction entry/categorization, weekly invoicing and bill payment, monthly bank reconciliations and financial statement review. Consistency is key to accuracy and avoiding backlogs.
  7. Understand and Plan for Tax Obligations Research federal, state (Iowa), and local tax requirements (income tax, self-employment tax, sales tax, payroll tax) applicable to your business structure and industry. Create a tax calendar with all estimated payment due dates and filing deadlines for 2025. Set aside funds for tax payments regularly.

Start simple, but start correctly. It's much easier to establish good bookkeeping habits from day one than to spend significant time and money correcting messy or incomplete records later.

Free Download: Customizable Chart of Accounts Template

Get started with a structured Chart of Accounts template (Excel format) suitable for many small businesses. Includes common account categories and examples.

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Common Bookkeeping Mistakes to Avoid

Be aware of these frequent pitfalls that can undermine your bookkeeping efforts and financial clarity:

  • Delaying Record-Keeping: Letting receipts and transactions pile up ("shoebox accounting") creates overwhelming backlogs, increases the likelihood of errors, and makes timely reporting impossible.
  • Missing or Poor Documentation: Failing to capture and retain adequate proof (receipts, invoices, bank statements) for income and expenses can lead to lost tax deductions and unsupported figures during audits.
  • Incorrect Transaction Categorization: Consistently misclassifying income or expenses (e.g., confusing COGS with operating expenses, personal vs. business) leads to inaccurate financial reports and potential tax problems.
  • Neglecting Reconciliations: Not regularly reconciling bank accounts, credit cards, and loan statements against your books allows errors, omissions, or fraudulent transactions to go undetected.
  • Attempting DIY Without Sufficient Knowledge: While software helps, misunderstanding basic accounting principles can lead to significant errors in setup, transaction handling, or report interpretation.
  • Inadequate Data Backup Procedures: Failing to regularly back up your digital accounting data (whether cloud-based or local) puts your business at serious risk of catastrophic data loss from hardware failure, cyberattack, or accidental deletion.
  • Not Reviewing Financial Reports Regularly: Treating bookkeeping solely as a compliance task means missing vital insights. Regularly reviewing your P&L, Balance Sheet, and Cash Flow Statement is crucial for understanding performance and making informed decisions.

Proactively avoiding these common mistakes will result in more reliable financial data, reduced stress, and better business management.

Understanding Financial Statements

Learn to read and interpret the key reports that tell your business's financial story.

The Three Core Financial Statements

Financial statements are standardized reports providing structured information about your business's financial activities and position. These three fundamental statements work together to give a comprehensive view:

  1. Balance Sheet (Statement of Financial Position)

    A snapshot of your business's financial health at a specific point in time (e.g., "As of December 31, 2025"). It shows:

    • Assets: What your business owns (Cash, Accounts Receivable, Inventory, Equipment, Buildings).
    • Liabilities: What your business owes to others (Accounts Payable, Loans, Deferred Revenue, Accrued Expenses).
    • Equity: The owners' stake in the business (Owner Contributions, Retained Earnings, Net Income/Loss).

    It adheres to the fundamental accounting equation: $Assets = Liabilities + Equity$.

  2. Income Statement (Profit & Loss or P&L)

    Summarizes revenues, expenses, gains, and losses over a specific period (e.g., "For the Year Ended December 31, 2025"). It reveals:

    • Revenue (Sales): Income from primary business operations.
    • Cost of Goods Sold (COGS): Direct costs of producing goods or services sold.
    • Gross Profit: $Revenue - COGS$.
    • Operating Expenses: Costs incurred in normal business operations (Rent, Salaries, Marketing, Utilities).
    • Net Income (or Loss): The "bottom line" profit or loss after all revenues and expenses are accounted for.
  3. Cash Flow Statement

    Tracks the actual movement of cash into and out of the business over a specific period, categorized into three activities:

    • Operating Activities: Cash flow from day-to-day business operations (customer payments, supplier payments, payroll).
    • Investing Activities: Cash flow related to buying or selling long-term assets (equipment, property).
    • Financing Activities: Cash flow related to debt, equity, and owner distributions (loans, owner investments, loan repayments).

    This statement is crucial for understanding liquidity and solvency, as it explains changes in the cash balance, which can differ significantly from net income due to non-cash items (like depreciation) and timing differences (like accounts receivable/payable).

Reviewing these three statements together, at least monthly, provides a powerful understanding of your business's performance, position, and cash management.

Key Financial Metrics to Monitor

Beyond the core statements, calculating and tracking these key financial metrics (ratios) provides deeper insights into performance and health:

  • Gross Profit Margin

    Formula: $(Gross Profit \div Revenue) \times 100\%$

    Measures the profitability of your core products/services before operating expenses. A higher percentage indicates better efficiency in production or service delivery, or stronger pricing power.

  • Net Profit Margin

    Formula: $(Net Income \div Revenue) \times 100\%$

    Shows the percentage of each sales dollar that turns into bottom-line profit after all expenses. A key indicator of overall business profitability and cost management.

  • Current Ratio

    Formula: $Current Assets \div Current Liabilities$

    Assesses short-term liquidity -- the ability to pay debts due within one year using assets expected to convert to cash within one year. Generally, a ratio above 1.5 or 2 is considered healthy, but varies by industry.

  • Quick Ratio (Acid-Test Ratio)

    Formula: $(Current Assets - Inventory) \div Current Liabilities$

    A stricter liquidity measure than the current ratio, excluding inventory (which might not be quickly convertible to cash). Shows ability to meet short-term obligations without selling inventory.

  • Accounts Receivable Days (DSO)

    Formula: $(Average Accounts Receivable \div Revenue) \times 365$

    Estimates the average number of days it takes to collect payment after a sale is made on credit. Lower DSO indicates faster cash collection.

  • Inventory Turnover (if applicable)

    Formula: $Cost of Goods Sold \div Average Inventory$

    Measures how quickly inventory is sold and replaced. A high ratio can mean strong sales or insufficient stock, while a low ratio might indicate overstocking or slow sales.

  • Debt-to-Equity Ratio

    Formula: $Total Liabilities \div Total Equity$

    Indicates the company's financial leverage, comparing what is owed to what is owned by shareholders. A higher ratio means more debt financing relative to equity.

  • Break-Even Point

    Calculation: Determines the sales volume (in units or dollars) needed to cover all fixed and variable costs, resulting in zero profit or loss. Crucial for pricing, cost control, and setting sales targets.

Regularly tracking these metrics over time (trend analysis) and comparing them to industry benchmarks provides valuable context for evaluating your business's financial performance.

Year-Round Bookkeeping Calendar

Establish a routine to stay organized, compliant, and informed throughout the year.

Bookkeeping Tasks Timeline

Daily / As It Happens

Record sales transactions, enter supplier bills/invoices received, capture and categorize expense receipts (use a mobile app!), deposit cash/checks received.

Weekly

Review and approve bills for payment, process payments to vendors, send out customer invoices, follow up on overdue receivables, review weekly cash flow projections.

Monthly

Reconcile all bank accounts, credit card accounts, and loan statements. Review and adjust entries in the general ledger. Process payroll and related tax filings/payments. Calculate and file/pay sales tax (if applicable). Generate and review key financial statements (P&L, Balance Sheet, Cash Flow).

Quarterly

Review quarterly financial performance against budget/forecasts. Calculate and pay estimated income taxes (Federal & State). Review payroll reports and tax payments (e.g., Form 941). Assess inventory levels and obsolescence (if applicable).

Annually (Year-End & Start of New Year)

Perform year-end closing procedures. Finalize inventory count and valuation. Issue W-2s to employees and 1099s to contractors by Jan 31. Prepare and file annual business income tax returns (deadlines vary by entity type). File any required annual reports (e.g., Iowa Secretary of State Biennial Report). Review the past year's performance and create budgets/forecasts for the upcoming year.

Use digital calendars and reminders (e.g., Google Calendar, Outlook) for all tax deadlines and recurring bookkeeping tasks. Missing deadlines often results in significant penalties and interest charges.

Free Download: 2025 Small Business Tax & Compliance Calendar

Get our downloadable calendar highlighting key Federal and Iowa tax deadlines and common compliance dates for small businesses throughout 2025.

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Bookkeeping FAQ (2025 Updates)

Answers to common questions about small business bookkeeping for 2025.

Do I need an accountant if I use accounting software in 2025?

While 2025 accounting software is powerful, working with an accountant or qualified bookkeeper remains highly valuable. Software automates data entry and report generation, but professionals provide:

  • Strategic financial advice tailored to your business goals and challenges.
  • Accurate setup of your accounting system and Chart of Accounts.
  • Expertise in tax planning, compliance, and identifying potential savings.
  • Interpretation of complex financial reports and key metrics.
  • Guidance on handling non-routine transactions or specific industry requirements.
  • An objective review of your financial health and internal controls.

Many businesses benefit from a hybrid approach: using software for daily tasks while engaging a professional for initial setup, monthly or quarterly reviews, tax preparation, and strategic financial planning sessions.

What business records should I keep and for how long (as of 2025)?

Record retention is crucial for tax compliance and business management. General IRS guidelines (State rules may vary - always verify):

  • Keep permanently: Core legal documents (Articles of Incorporation/Organization, Operating Agreements, Bylaws), business licenses/permits, deeds/titles to property, stock ledgers, important contracts, general ledgers, year-end financial statements, tax returns (many recommend keeping these indefinitely).
  • Keep for at least 7 years: Supporting documents for tax returns (receipts, invoices, cancelled checks, bank/credit card statements relevant to income or deductions), payroll records (W-2s, 1099s, timecards, payroll tax filings), sales tax records, inventory records, expense reports. This covers the typical statute of limitations for audits.
  • Keep for at least 4 years: Employment tax records (as per IRS guidelines).
  • Keep for 3 years (or longer if needed): Bank deposit slips, general correspondence, expired insurance policies (check policy terms). Employment applications may have specific retention periods under labor laws.

The IRS generally has three years from the date you file your return to audit, but this extends to six years if you substantially understate income, and indefinitely if you file a fraudulent return or fail to file. Digital storage is recommended for long-term retention and easy access. When in doubt, err on the side of keeping records longer. Consult with your accountant or attorney for specific advice.

How do I handle business meals and entertainment expenses in 2025?

Tax rules for meals and entertainment require careful documentation in 2025:

  • Business Meals: Generally, the cost of ordinary and necessary business meals is 50% deductible if the expense is not lavish or extravagant under the circumstances, the taxpayer (or an employee of the taxpayer) is present, and the meal is provided to a current or potential business customer, client, consultant, or similar business contact. Food and beverages provided during entertainment events may be deductible if purchased separately from the entertainment itself. The temporary 100% deduction for meals provided by restaurants expired at the end of 2022.
  • Entertainment Expenses: Costs for activities generally considered entertainment, amusement, or recreation (e.g., sporting events, theater tickets, golf outings) are not deductible, even if business is discussed before, during, or after the event. There are very limited exceptions, such as certain recreational expenses primarily for the benefit of non-highly compensated employees (like a company holiday party).

Crucial Documentation for Deductible Meals (Keep Receipts!):

  1. Amount of the expense.
  2. Date and place of the meal.
  3. Business purpose of the meal or discussion.
  4. Business relationship of the persons involved (names, titles, company affiliations).

Make detailed notes directly on receipts or within your expense tracking system immediately after the expense occurs. Tax laws are complex and subject to interpretation; always consult with your tax advisor for specific guidance.

Should I use cash or accrual accounting for my small business in 2025?

The best method depends on your business specifics:

Cash Basis Accounting: Records income only when cash is received and expenses only when cash is paid out. It's simpler to manage and clearly reflects your cash position. Often suitable for small service-based businesses without inventory.

Accrual Basis Accounting: Records income when it is earned (e.g., when an invoice is sent or service provided) and expenses when they are incurred (e.g., when a bill is received), regardless of when cash changes hands. This provides a more accurate picture of profitability over a period, matching revenues with the expenses incurred to generate them. Accrual basis is required by Generally Accepted Accounting Principles (GAAP) and may be required by the IRS if:

  • Your business regularly carries inventory that is a material income-producing factor.
  • Your average annual gross receipts over the prior three years exceed a specific threshold (this threshold is indexed for inflation, check current IRS Publication 538 for the 2025 limit, it was $29 million for 2023/2024).
  • You are structured as a C Corporation (with some exceptions for smaller C-corps).

Many small businesses start with cash basis due to its simplicity but may need to switch to accrual as they grow, take on inventory, or seek certain types of financing. Discuss the implications and requirements for your specific situation with an accounting professional.

How do I handle my business vehicle expenses in 2025?

You generally have two options for deducting business vehicle use in 2025:

  1. Standard Mileage Rate: Deduct a set amount per business mile driven. For 2025, the official IRS rate is 70 cents per mile. This method is simpler but requires meticulous, contemporaneous tracking of: business miles driven, dates of trips, destinations, and the business purpose of each trip. You can typically also deduct business-related parking fees and tolls separately.
  2. Actual Expenses Method: Deduct the business-use percentage of your actual vehicle operating costs. This includes gas, oil, repairs, tires, insurance, registration fees, licenses, and depreciation (or lease payments if leasing). This requires tracking all these costs *and* accurately calculating the percentage of total miles driven for business versus personal use throughout the year.

You generally must choose a method in the first year a car is placed in service for business. There are restrictions on switching methods later, especially if you claimed certain types of depreciation. Detailed, accurate mileage logs are essential regardless of the method chosen. Using a GPS-enabled mileage tracking app can greatly simplify this documentation.

Important: Always verify the official standard mileage rate and detailed rules directly on the IRS website (IRS.gov) or consult with a qualified tax professional, as specifics can impact eligibility and deductions.

Financial Terminology Glossary

Understanding these essential accounting terms empowers better business decisions.

Accounts Payable (AP)

Money your business owes to its suppliers or creditors for goods or services received but not yet paid for (a current liability).

Accounts Receivable (AR)

Money owed to your business by customers for goods or services delivered but not yet paid for (a current asset).

Accrual Basis Accounting

An accounting method where revenues are recorded when earned and expenses are recorded when incurred, regardless of when cash is exchanged.

Assets

Resources with economic value that a business owns or controls, expected to provide future benefit (e.g., cash, equipment, inventory, patents).

Balance Sheet

A financial statement reporting a company's assets, liabilities, and equity at a specific point in time ("financial snapshot").

Cash Basis Accounting

An accounting method where revenues are recorded when cash is received and expenses are recorded when cash is paid.

Cash Flow Statement

A financial statement showing how changes in balance sheet accounts and income affect cash and cash equivalents, broken down into operating, investing, and financing activities.

Chart of Accounts (COA)

An organized listing of all financial accounts used by a company in its general ledger system.

Cost of Goods Sold (COGS)

The direct costs attributable to the production or purchase of the goods sold by a company during a period.

Depreciation

The accounting process of allocating the cost of a tangible asset over its estimated useful life.

Equity

The residual interest in the assets of an entity after deducting its liabilities. Represents the owners' claim on the business assets.

Expenses

Costs incurred by a business in its efforts to generate revenue (e.g., rent, salaries, utilities, marketing).

General Ledger (GL)

The central repository for all of a company's financial data, containing all accounts needed to produce financial statements.

Income Statement (P&L)

A financial statement reporting a company's revenues, expenses, and resulting profit or loss over a specific period of time.

Liabilities

A company's legal financial debts or obligations arising from past transactions, expected to be settled through future outflows of resources (e.g., loans, AP).

Net Income (Profit/Loss)

The result after all revenues and gains are accounted for and all expenses and losses have been deducted ($Revenue - Expenses = Net Income$).

Revenue (Sales)

The income generated from the normal business operations, typically from the sale of goods and services to customers.

Free Download: Expanded Accounting Terminology Guide

Download our comprehensive accounting glossary featuring over 50 essential financial terms, explained in plain language with practical examples for small business owners.

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Master Your Business Finances in 2025

Effective bookkeeping is the bedrock of sound financial management. It's not just about compliance; it's about gaining the clarity needed to make strategic decisions, manage cash flow effectively, and drive sustainable growth. By implementing the foundational practices outlined in this guide, you'll establish robust financial processes for your business in 2025 and beyond.

Remember that accurate bookkeeping is an ongoing discipline. Start with these basics, maintain consistency using the right tools, and don't hesitate to seek professional guidance when needed. As your local Des Moines partner, Des Moines Bookkeeping & Payroll is committed to supporting your financial success.