How Much Does an Accountant Cost Per Month? Monthly Accounting Service Pricing

Last Updated: 2025

One of the most common questions from small business owners is whether they should hire an accountant on a monthly basis—and if so, what it should cost. The answer depends almost entirely on what services you actually need, because "monthly accounting" covers an enormous range of activities: from basic transaction recording at one end to strategic financial leadership at the other.

This article breaks down the full spectrum of monthly accounting service pricing, explains what's included at each level, helps you identify what your business actually needs, and gives you the tools to evaluate whether outsourcing monthly accounting is the right decision compared to hiring in-house.


Table of Contents

  1. Monthly Accounting vs. Annual Tax Preparation
  2. What Monthly Accounting Services Actually Include
  3. Monthly Bookkeeping Pricing: $200–$800/Month
  4. Full-Service Accounting Packages: $800–$2,500/Month
  5. CPA Oversight and Advisory Retainers: $500–$2,500/Month
  6. Virtual CFO Services: $2,000–$10,000+/Month
  7. What Size Business Justifies Each Level
  8. The True Cost Comparison: Outsource vs. In-House
  9. Tiered Service Packages: How Firms Structure Them
  10. What's NOT Included in Typical Monthly Packages
  11. Payroll Processing: Separate or Bundled?
  12. How to Structure a Monthly Accounting Relationship
  13. Frequently Asked Questions
  14. Conclusion

Monthly Accounting vs. Annual Tax Preparation

Before diving into pricing, it's important to distinguish between two very different things that often get conflated:

Annual tax preparation is a one-time engagement—you gather documents, work with your CPA to prepare and file returns, pay a fee, and it's done until next year. Most individual and small business clients start with this model.

Monthly accounting services are an ongoing relationship—your accountant or bookkeeper is working with you throughout the year, not just at tax time. They record transactions, reconcile bank accounts, prepare financial statements, and may handle payroll, sales tax, and advisory functions.

Many businesses need both: a monthly accounting engagement for ongoing financial management, plus the CPA's year-end work to prepare and file tax returns.

The question "how much does an accountant cost per month?" usually refers to the ongoing relationship—the regular, systematic work of maintaining accurate financial records. Some monthly arrangements include tax preparation; many don't. The distinction matters when evaluating quotes.


What Monthly Accounting Services Actually Include

Depending on your arrangement, monthly accounting services can include some or all of the following:

Core Bookkeeping Functions

Transaction recording: Recording income and expenses from bank statements, credit card statements, and other sources into your accounting system. This is the foundation of everything else.

Bank account reconciliation: Matching the transactions in your accounting software against actual bank statements. Monthly bank reconciliation catches errors, missed transactions, and potential fraud. This should be done for every account: operating checking, savings, credit cards, merchant processing.

Accounts payable tracking: Managing and recording bills and vendor invoices. Some arrangements include processing vendor payments.

Accounts receivable tracking: Recording customer invoices and payments, monitoring outstanding receivables.

Expense categorization: Ensuring expenses are classified correctly for both financial reporting and tax purposes. Correct categorization is essential for meaningful financial reports and accurate tax deductions.

Financial Statement Preparation

Profit and Loss Statement (Income Statement): Monthly P&L showing revenue and expenses by category. This is one of the most valuable management tools available to a business owner.

Balance Sheet: A snapshot of assets, liabilities, and equity as of a specific date. Essential for understanding the financial position of the business and required by most lenders.

Cash Flow Statement: Shows how cash moved in and out of the business. Many businesses confuse profitability with cash availability; the cash flow statement resolves this confusion.

These three statements, prepared monthly, allow you to understand what happened in your business during the month, compare actuals to budget or prior periods, and identify trends early enough to act on them.

CPA-Level Services

When a CPA (rather than a bookkeeper) manages the monthly engagement, additional services are available:

Financial statement analysis and explanation: Not just preparing the statements, but interpreting what they mean for your business.

Tax planning during the year: Identifying opportunities and risks as they develop, rather than at year-end when options are limited.

Payroll tax oversight: Ensuring payroll tax obligations are met correctly.

Estimated tax calculations: Quarterly estimated payments adjusted for actual year-to-date results.

Advisory conversations: Strategic discussions about business decisions with tax and financial implications.


Monthly Bookkeeping Pricing: $200–$800/Month

Basic bookkeeping services are the entry point of the monthly accounting spectrum. Pricing depends primarily on transaction volume, number of accounts, and complexity of operations.

$200–$400/month: Typically covers businesses with:

  • Fewer than 100 transactions per month
  • One or two bank accounts
  • Simple income streams (one or two revenue sources)
  • No payroll (or payroll handled separately)
  • No inventory
  • One location, one state

A freelancer, sole proprietor, or very small service business often falls in this range. The bookkeeper records transactions, reconciles accounts, and produces basic monthly financials.

$400–$600/month: Businesses with moderate complexity:

  • 100–300 transactions per month
  • Three to five bank and credit card accounts
  • Multiple revenue streams or services
  • Light payroll (2–5 employees)
  • Basic inventory tracking
  • Possibly two states

A small retail shop, small contractor, or growing service business typically falls here.

$600–$800/month: Businesses with higher volume or complexity:

  • 300–500 transactions per month
  • Multiple accounts
  • More complex accounts receivable or payable
  • Payroll for 5–15 employees
  • Inventory tracking with regular adjustments
  • Multi-state considerations

A growing restaurant, small construction company, or health practice might be in this range.

What's typically included at this level:

  • Transaction recording and categorization
  • Bank and credit card reconciliation
  • Monthly P&L and balance sheet preparation
  • Communication with questions and document requests
  • Year-end cleanup for tax preparation

What's typically NOT included:

  • Payroll processing (usually separate)
  • Tax return preparation (usually separate, often annual)
  • Sales tax filing (usually separate)
  • Strategic advice (bookkeepers, not CPAs)

Full-Service Accounting Packages: $800–$2,500/Month

Full-service monthly packages layer additional services on top of bookkeeping, often including payroll processing, sales tax filings, and more sophisticated financial reporting.

$800–$1,200/month: Small businesses needing bookkeeping plus:

  • Payroll processing for 5–10 employees
  • Sales tax filing (one or two states)
  • Quarterly estimated tax calculations
  • More detailed financial reporting

$1,200–$1,800/month: Growing businesses with:

  • Higher transaction volume
  • Payroll for 10–25 employees
  • Multi-state sales tax
  • Job costing or project-based accounting
  • More frequent reporting cadence

$1,800–$2,500/month: More complex operations:

  • High volume businesses ($1M–$5M revenue)
  • Complex payroll (multiple rates, multiple states)
  • Inventory-intensive operations
  • More sophisticated financial analysis
  • Regular meetings with management

What distinguishes full-service from basic bookkeeping:

  • CPA oversight of the work (not just a bookkeeper)
  • Tax planning integrated into monthly work
  • More robust financial statement analysis
  • Strategic recommendations, not just record-keeping

At this level, you're beginning to get CPA involvement in the oversight and interpretation of the numbers, not just mechanical recording.


CPA Oversight and Advisory Retainers: $500–$2,500/Month

A distinct category is the CPA advisory retainer—where you have your own bookkeeper or internal staff handling day-to-day transaction recording, but engage a CPA firm to provide oversight, review, and strategic advice.

What a CPA oversight retainer includes:

  • Monthly review of financial statements prepared by your staff or bookkeeper
  • Correction of errors and categorization issues
  • Tax planning throughout the year
  • Year-end tax preparation (often at a reduced rate or included in the retainer)
  • Quarterly or monthly calls to discuss financials and planning
  • Available for questions and consultations as they arise

Typical pricing:

  • Basic CPA oversight (review, tax planning, availability for questions): $500–$1,000/month
  • More intensive oversight plus advisory: $1,000–$2,000/month
  • Comprehensive oversight, planning, and included tax preparation: $2,000–$2,500/month

This model makes sense for businesses that have reliable internal accounting staff but want CPA-level review and strategy. You're not paying for the CPA to do bookkeeping—you're paying for their judgment, review, and planning expertise.


Virtual CFO Services: $2,000–$10,000+/Month

Virtual CFO (vCFO) services represent the highest tier of outsourced financial leadership. A vCFO goes beyond bookkeeping and tax planning into strategic financial management—the work a full-time CFO would do, but without the cost of a full-time C-suite employee.

What virtual CFO services include:

  • All the functions of full-service accounting (bookkeeping oversight, financial statements, payroll oversight, tax planning)
  • Financial modeling and forecasting
  • Cash flow management and optimization
  • Budget development and variance analysis
  • KPI development and dashboard creation
  • Strategic financial analysis for key business decisions
  • Lender, investor, and board-level financial presentation
  • Guidance on financing options (bank loans, SBA loans, equity, lines of credit)
  • Exit planning and business valuation support
  • Merger and acquisition support

Who needs virtual CFO services:

  • Businesses with $2M–$20M in annual revenue that are too large to operate without strategic financial leadership but too small to justify a full-time CFO at $150,000–$300,000/year
  • Businesses preparing for a significant transaction (sale, acquisition, outside investment)
  • Businesses experiencing rapid growth or navigating complex challenges
  • Private equity-backed businesses requiring sophisticated reporting

Pricing:

  • Basic vCFO (financial oversight plus monthly reporting and strategy calls): $2,000–$4,000/month
  • Intermediate vCFO (full financial leadership for growing company): $4,000–$7,000/month
  • Comprehensive vCFO (complex business, transaction support, high-frequency interaction): $7,000–$12,000+/month

The business case: a full-time experienced CFO costs $150,000–$300,000+ per year in salary and benefits, plus the overhead of a full-time employee. A vCFO at $5,000/month costs $60,000/year and provides comparable strategic capability for most businesses in the $2M–$20M revenue range.


What Size Business Justifies Each Level

Matching service level to business size and complexity:

Sole proprietor / freelancer (under $250K revenue):

  • Need: Basic bookkeeping, annual tax return
  • Cost: $200–$400/month bookkeeping + annual tax prep
  • Alternatives: DIY with accounting software, annual-only CPA engagement

Small service business ($250K–$1M revenue, 1–10 employees):

  • Need: Regular bookkeeping, payroll, quarterly tax planning, annual return
  • Cost: $400–$800/month for bookkeeping; $1,500–$3,000 for annual tax
  • Full-service alternative: $800–$1,500/month including payroll

Growing business ($1M–$3M revenue, 10–30 employees):

  • Need: Full-service accounting, CPA oversight, tax planning, financial analysis
  • Cost: $1,500–$3,000/month
  • Alternative: CPA advisory retainer plus internal bookkeeper

Established business ($3M–$10M revenue, 30+ employees):

  • Need: Controller-level oversight, strategic planning, sophisticated reporting
  • Cost: $2,500–$5,000/month
  • May also need: Virtual CFO for strategic functions

High-growth or complex business ($10M+ revenue):

  • Need: Virtual CFO plus full accounting team support
  • Cost: $5,000–$12,000+/month
  • Alternative: Internal CFO hire (justified at this scale)

The True Cost Comparison: Outsource vs. In-House

One of the most common questions from growing business owners is: at what point does it make sense to hire an in-house bookkeeper or accountant instead of outsourcing?

In-house bookkeeper:

  • Salary: $40,000–$65,000/year
  • Payroll taxes and benefits (add 25–35%): $10,000–$22,000/year
  • Total cost: $50,000–$87,000/year ($4,200–$7,250/month)
  • Plus: Training, management time, turnover risk, only one skill set

Outsourced full-service accounting at $2,000/month:

  • Annual cost: $24,000
  • Includes: Multiple professionals with different skill sets, no HR overhead, scalable up or down, built-in redundancy if one person leaves

The math clearly favors outsourcing at lower revenue levels—roughly up to $3M–$5M in revenue where the relationship cost stays below the cost of an in-house hire. At higher revenue levels, in-house accounting staff becomes cost-competitive, and businesses often hire an internal bookkeeper while maintaining a CPA firm for tax and advisory work.

In-house CPA or Controller:

  • Salary: $80,000–$130,000/year
  • With benefits: $100,000–$175,000/year
  • Justified at: $5M+ revenue, or earlier if the work requires daily on-site presence

For most small-to-mid-sized businesses, the outsourced model delivers better expertise for less money than hiring internal accounting staff.


Tiered Service Packages: How Firms Structure Them

Many CPA and accounting firms offer tiered packages that make it easier for clients to understand what they're buying. A typical three-tier structure looks like this:

Tier 1: Essentials

Monthly fee: $300–$600

  • Monthly bank and credit card reconciliation
  • Transaction categorization
  • Monthly P&L and balance sheet
  • Year-end cleanup for tax preparation
  • Email support for basic questions

Tier 2: Growth

Monthly fee: $700–$1,500

  • Everything in Essentials
  • Payroll processing (up to 10 employees)
  • Accounts receivable and payable management
  • Sales tax filing (one or two states)
  • Quarterly check-in call with CPA
  • Annual tax return preparation included (or at reduced rate)

Tier 3: Strategic

Monthly fee: $1,500–$3,500

  • Everything in Growth
  • CPA monthly review and financial statement analysis
  • Tax planning throughout the year
  • Budgeting and forecasting support
  • Monthly strategy call
  • Priority response to questions
  • Annual tax returns included

The specific services and prices vary by firm, but the tiered model allows clients to match their service level to their needs and budget, with the flexibility to upgrade as the business grows.


What's NOT Included in Typical Monthly Packages

Understanding exclusions is as important as understanding what's included.

Year-end tax preparation: Many monthly bookkeeping packages—especially lower-tier ones—do not include the preparation and filing of income tax returns. The bookkeeper gets your records organized for the CPA; the CPA charges separately for the return. Confirm whether tax preparation is bundled.

Payroll processing: Often priced separately, especially payroll with complexity (multiple pay rates, benefits withholding, garnishments, multiple states). Even full-service packages may add a per-employee fee for payroll.

Sales tax compliance: Particularly as nexus rules for e-commerce businesses have expanded post-South Dakota v. Wayfair (2018), multi-state sales tax has become a significant compliance obligation. This is usually a separate service with separate pricing.

IRS correspondence and audit support: A monthly retainer doesn't typically cover representing you before the IRS if you receive an audit or notice. This is billed separately.

Business advisory and consulting: Specific advisory projects—business valuation, buy-sell agreement analysis, acquisition due diligence—are project-billed beyond the monthly retainer.

Software subscriptions: Your accounting software (QuickBooks, Xero, etc.) is typically a separate cost. Some firms bundle software subscriptions; many don't.


Payroll Processing: Separate or Bundled?

Payroll deserves special attention because it's a significant compliance obligation with real penalties for errors.

Standalone payroll service providers (ADP, Paychex, Gusto, OnPay) charge:

  • Per-employee-per-month fees: $6–$15 per employee per run
  • Monthly base fees: $40–$150/month
  • Additional fees for multi-state payroll, 401(k) administration, W-2 processing

Accounting firm payroll processing often runs:

  • $150–$400/month for a small number of employees
  • $400–$800/month for 10–25 employees
  • Bundled into higher-tier monthly packages

The advantage of having your CPA firm handle payroll is integration—payroll data feeds directly into your accounting records, simplifying reconciliation and ensuring consistency. The advantage of a standalone payroll provider is cost for straightforward payrolls.

For small, simple payrolls (under 10 employees, single state), a low-cost payroll service like Gusto is often the most economical choice. For complex payrolls or situations where tight integration with accounting matters, bundling with your accounting firm may be worth the premium.


How to Structure a Monthly Accounting Relationship

Once you've decided on the service level you need, structuring the relationship well ensures you get full value.

Engagement letter: A written agreement specifying exactly what services are included, the monthly fee, response time expectations, and what's billed separately. Do not proceed without this document.

Accounting software: Agree on the platform (QuickBooks Online, Xero, etc.) and confirm access structure. The accounting firm typically needs admin access.

Document delivery process: Establish how you'll share bank statements, receipts, and other records. Bank feeds (direct connections from bank accounts to accounting software) dramatically streamline this. Most modern accounting software supports direct bank feeds.

Monthly meeting cadence: For anything above basic bookkeeping, schedule a monthly call to review the financials, discuss the numbers, and raise any issues. Even 30 minutes per month is valuable.

Year-end coordination: Clarify how the monthly relationship coordinates with annual tax preparation. Who handles what? Is tax prep included or separate? When does the CPA need records by?


Industry-Specific Pricing Considerations

Monthly accounting costs vary not just by business size but by industry. Some industries have accounting complexity that pushes costs higher regardless of revenue level.

Construction and Contractors

Construction accounting involves job costing—tracking revenue, expenses, and profitability by individual project. Progress billing, retainage, subcontractor management, and the percentage-of-completion method (for long-term contracts) add complexity. Monthly accounting for a small contractor ($500K–$2M revenue) often runs $800–$1,500/month because of this complexity, more than a service business of equivalent size.

Restaurant and Food Service

Restaurants have high transaction volumes, complex payroll (tip reporting, tip credits, varying hourly rates), food cost tracking, and state-specific alcohol sales regulations. A restaurant with $1.5M in annual revenue might need $1,000–$1,800/month in accounting services to keep up with these demands.

Medical and Healthcare Practices

Healthcare practices deal with insurance reimbursements (often 60–90 days delayed), credentialing, multiple payers with different rates, and HIPAA-compliant record keeping. Monthly accounting for a small medical practice often runs $1,200–$2,500/month, plus additional fees for payroll and specialized compliance.

Real Estate Investors

Real estate investors with multiple rental properties need property-level accounting, depreciation tracking on each property, tenant ledgers, and security deposit management. A landlord with ten properties might pay $700–$1,500/month for accounting that keeps each property's finances clean and tax-ready.

E-Commerce Businesses

Post-South Dakota v. Wayfair (2018), e-commerce businesses face multi-state sales tax obligations based on economic nexus (typically $100,000 in sales or 200 transactions in a state). Sales tax compliance across 15–30 states is a significant ongoing cost—$500–$2,000/month for multi-state compliance alone, on top of standard bookkeeping.

Professional Services (Law, Consulting, Marketing)

Service businesses with project-based billing, client trust accounts (for law firms), and variable receivables collections are moderately complex. Monthly accounting typically runs $400–$900/month for firms up to $2M revenue.


What to Include in Your Monthly Accounting Budget

For a business owner building a financial budget, here's a framework for estimating monthly accounting costs:

Base bookkeeping: Based on transaction volume and account count

  • Under 150 transactions/month: $200–$400
  • 150–400 transactions/month: $400–$700
  • 400–700 transactions/month: $700–$1,100
  • 700+ transactions/month: $1,100–$2,000+

Payroll processing: Per-employee cost

  • 1–5 employees: $100–$200/month additional
  • 6–15 employees: $200–$400/month additional
  • 16–30 employees: $400–$700/month additional

Sales tax compliance: Per-state cost

  • One state: $75–$200/month
  • 2–5 states: $200–$500/month
  • 6–15 states: $500–$1,200/month (often managed through automated platforms like Avalara or TaxJar)

CPA oversight and planning: For quality review and strategic guidance

  • Basic quarterly review: $300–$600/month
  • Monthly review and planning: $600–$1,200/month

Annual tax preparation: Amortized monthly

  • S-corp + personal: $2,000–$4,000 annually = $167–$333/month
  • Partnership + personal: $2,500–$5,000 annually = $208–$417/month

Building these components into a monthly budget gives you a complete picture of your true accounting cost—not just the invoice you receive from one firm, but the total outlay for compliant, well-managed finances.


Evaluating Your Current Monthly Accounting Arrangement

If you already have a monthly accounting relationship, here are questions to assess whether you're getting appropriate value:

Are your financial statements accurate? The most basic test: do the monthly P&L and balance sheet accurately reflect what happened in your business? Errors in financial statements propagate—an incorrect expense categorization repeated for twelve months produces a misleading annual P&L and an incorrect tax deduction.

Are your statements timely? Monthly financials should be available within 15–20 business days after month-end. Statements that routinely arrive 45–60 days late are not serving their purpose as management tools.

Do you understand them? If your accountant cannot explain your financial statements in plain language, or if you've never been walked through what they mean, something is missing. The financial statements are for you to use—not just to file taxes.

Is your accountant proactive? In a year of rising expenses, increasing debt, or slowing revenue, does your accountant mention it? Proactive observation—"Your gross margin has declined three months in a row, which is unusual for your industry"—is a hallmark of a valuable accounting relationship.

Are you compliant? Have you missed any filing deadlines, received any notices, or discovered any unpaid obligations? These failures point to gaps in the accounting relationship.

What's your cost per month vs. the value you receive? If you're paying $600/month and receive accurate financials, clean books for tax time, and a responsive accounting team, that's strong value. If you're paying $600/month and the books are consistently late and inaccurate, you're overpaying regardless of the amount.


Frequently Asked Questions

Q: Can I just hire a bookkeeper on Upwork or Fiverr instead of a CPA firm?
For basic bookkeeping (transaction recording, bank reconciliation), a freelance bookkeeper can be cost-effective—potentially $15–$40/hour vs. $300–$600/month from a firm. The tradeoffs: less continuity and backup if the individual is unavailable, potentially variable quality, limited escalation path for complex issues, and no CPA oversight of the work. For a stable, growing business where accurate financial statements matter, the oversight and quality control of an established firm is generally worth the premium.

Q: How do I know if my monthly accounting is accurate?
You shouldn't just trust the reports—verify them occasionally. Reconcile one bank account yourself and compare to the reconciliation done by your accountant. Review the categorization of major expenses. Ask questions when numbers don't look right. Your accountant should welcome these questions; they're a sign of engagement. Monthly meetings with your accountant where you review the P&L together are one of the best quality control mechanisms.

Q: Should I get monthly accounting or just do it myself?
DIY accounting is feasible for very simple businesses with organized owners who have some accounting background. QuickBooks, Wave (free), and Xero are user-friendly. The risks of DIY: errors that compound over time, missed deductions, incorrect categorizations that make reports meaningless, and misunderstanding of accounting principles (cash vs. accrual, balance sheet accounting). As a business grows, the cost of errors outweighs the cost of professional services. Many owners find that the time cost of DIY accounting is itself a compelling reason to outsource.

Q: What happens if my accountant makes an error?
Established accounting firms carry professional liability (errors and omissions) insurance. For a material error that causes you financial harm, you may have a claim against the firm. More practically, most errors are caught through reconciliation and review, and reputable firms correct errors promptly at no charge. Ask about your firm's error correction policy and professional liability insurance when engaging.

Q: How do I know when I've outgrown my current accounting service?
Signs you've outgrown your current arrangement: you regularly can't get answers to your questions, the financial statements don't reflect how you think about your business, you're making significant decisions without reliable financial data, you're spending significant personal time managing accounting issues, or you've had material surprises (large tax bills, cash crunches) that better financial visibility would have prevented.


Conclusion

Monthly accounting service costs range from $200/month for basic bookkeeping to $10,000+/month for virtual CFO services. The right level depends on your business size, transaction complexity, need for strategic financial guidance, and how much value you place on accurate, timely financial information.

For most small businesses, the outsourced model provides better expertise for less money than hiring internal accounting staff until the business grows large enough to justify dedicated in-house employees. The key is matching the service level to actual business needs—neither over-investing in services you don't yet need, nor under-investing in accounting infrastructure that your business has outgrown.

The best way to determine the right level is a conversation with a CPA who takes time to understand your business, asks about your goals, and recommends a service structure that makes sense for where you are now and where you're headed.

We work with businesses at every stage—from early-stage sole proprietors to established companies approaching significant transactions. Contact us to discuss what monthly accounting services would look like for your business and get a specific quote based on your actual situation.


Related Articles:

Similar Posts