Cost of an accounting firm : All Rates Revealed 💰

by | Jul 3, 2025

Accounting firm costs: rates and pricing factors

Accounting Firm Cost Calculator

Estimate the monthly cost of accounting services for your business

Monthly estimate :

450 €

Detailed costs :

Bookkeeping : 300 €
Annual accounts (monthly) : 100 €
Tax returns (monthly) : 50 €
Payroll management : 0 €

Estimated range: €350 – €550 per month

The results provided are given for information only and do not engage our responsibility in any way.

Choosing an accounting firm is a strategic investment for your business. Understanding the different elements that make up the cost of an accounting firm allows you to make an informed choice and optimize your budget. Rates vary considerably depending on the size of your business, the complexity of your operations and the professional accounting services required.

What is the cost of an accounting firm?

The cost of an accounting firm includes all fees charged for accounting, tax and consulting services. These services include bookkeeping, preparation of annual financial statements, tax and social security declarations, and management consulting.

Accounting firms generally offer two billing methods: hourly rates and flat-rate monthly fees. Hourly rates range from 80 to 300 euros, depending on the professional’s expertise and the complexity of the assignment. Monthly rates, on the other hand, are more predictable and can be adapted to the volume of accounting entries and the company’s specific needs.

Factors influencing the price of an accounting firm

The cost of an accounting firm depends on several key factors that determine the volume of work and expertise required. Understanding these elements enables you to anticipate your budget and negotiate effectively.

The size of your company is the main factor. A very small business requires an average of 3 to 5 hours of accounting work per month, compared with 15 to 25 hours for a small business with 20 employees. This difference translates into cost differentials of 200% to 500%.

The volume of monthly accounting operations has a direct impact on invoicing. Each additional 50 entries generally increases fees by 10 to 15%. A company with 200 monthly entries will therefore pay 30 to 40% more than a structure with 100 operations.

The complexity of your business has a significant impact on rates. Companies in the construction, real estate or international trade sectors require specialized expertise, particularly for profit declaration and special tax obligations, increasing costs by 20 to 40%.

Seasonality also affects prices. Accounting closing periods (March-May) and tax declarations can lead to temporary surcharges of 15 to 25% on urgent services.

Geographical location influences prices: Parisian firms charge 20-30% more than regional firms. The firm’s reputation and expertise, particularly in tax consulting, often justify higher fees.

Average rates for accounting services

The fees charged by accounting firms depend on precise criteria, which explain the price differences observed on the market. The complexity of the file, the volume of transactions and the expertise required are the main factors in price variation.

  • Bookkeeping: €150 to €800 per month (€0.50 to €2 per entry depending on volume and complexity)
  • Preparation of annual financial statements: 800 to 3,000 euros (minimum price for sole proprietorships, maximum for consolidated groups)
  • Tax returns: 200 to 1,500 euros per return (monthly VAT vs. complex returns with research tax credit)
  • Consulting and support: 100 to 250 euros per hour (junior vs. associate chartered accountant)

Rates also vary according to location: Parisian firms charge 25 to 40% more than their provincial counterparts. A retail business will pay between 200 and 400 euros per month, while a construction company will require between 400 and 700 euros, due to the specific nature of the sector.

Some 70% of companies opt for a fixed monthly fee rather than hourly billing, in the interests of budget predictability. Optional services such as payroll (15 to 25 euros per pay slip), ad hoc legal advice (150 to 200 euros per hour) or assistance with tax audits (fixed price of 1,500 to 5,000 euros) are added to the basic rates.

For a sole proprietorship or micro-business, you need to budget between 100 and 300 euros per month. A SARL or SAS with a standard business requires a monthly budget of 200 to 600 euros. Larger companies can invest several thousand euros a month for full support, including consolidation and financial reporting.

How to choose an accounting firm according to your budget

Choosing the right accounting firm for your budget requires a methodical, multi-step approach. Start by establishing a realistic budget based on your sales and the complexity of your business, then follow a structured process to identify the optimum service provider.

Step 1: Define your needs precisely

List the services that are essential to your business: bookkeeping, mandatory declarations, management consulting or assistance with tax audits. This preliminary analysis will help you avoid paying for superfluous services or, conversely, underestimating your real needs.

Step 2: Ask firms the right questions

When requesting a quote, always ask these essential questions:

  • What services are included in the monthly package?
  • Are telephone tips billed separately?
  • What is the cost of exceptional services (modification of bylaws, special files)?
  • Who will be your main contact and what experience do they have?
  • How long does it take to process files?
  • How is communication and follow-up organized?
  • What are the cancellation terms?

Step 3: Compare using objective criteria

Evaluate each proposal according to a grid of weighted criteria: price (30%), sector expertise (25%), responsiveness (20%), digital tools (15%) and proximity (10%). This method helps you go beyond a simple price comparison to identify the best added value.

Geographical proximity is no longer a determining factor with the digitization of exchanges. You can choose the best accounting firm according to your sector of activity rather than its location, which considerably expands your options while respecting your budget.

Tax optimization and return on investment

A competent accounting firm generates savings that far exceed the cost of its services. Legal tax optimization, detection of costly errors and strategic advice represent considerable added value.

The tax savings achieved through appropriate tax optimization can amount to several thousand euros a year. An experienced chartered accountant will identify the tax avoidance schemes applicable to your situation and optimize your overall tax burden.

Professional support also reduces the risk of tax adjustments and the associated penalties. This legal and tax security fully justifies the investment in a quality accounting firm, transforming cost into a genuine performance lever for your company.

Negotiating and optimizing costs

Controlling the budget allocated to your accounting firm requires an effective negotiation strategy. Timing is essential: favour the beginning of the fiscal year or the summer period (July-August) to renegotiate your contracts, when firms are more inclined to make concessions to retain their clients.

To optimize your expenses, make an objective analysis of the services you should outsource versus those you should keep in-house:
– Outsource complex technical tasks (tax returns, annual balance sheet)
– Keep routine accounting data entry in-house if you have the necessary skills.

Negotiation techniquesPotential benefit
Grouping of services10-15% discount on total package
Multi-year commitmentLocked-in rates and 5-20% discount
Customer referralsTrade discounts or additional services offered

Multi-year contracts are a particularly effective negotiating tool. By committing to 2 or 3 years, you can obtain preferential rates and protection against annual increases. This long-term budget visibility also enables you to develop a more strategic relationship with your firm, which will invest more in understanding your business.

Don’t hesitate to ask for a review of the frequency of interventions: quarterly rather than monthly follow-up can significantly reduce the bill for some structures. Finally, the digitization of exchanges and the use of collaborative tools can justify a renegotiation of rates by reducing the time spent by the firm.

Frequently asked questions

Find out the answers to the most frequently asked questions about the costs and fees of accounting firms, and the factors that influence their prices.

What is the cost of an accounting firm?

The cost of an accounting firm corresponds to the fees charged for managing a company’s accounts. These fees generally range from €80 to €300 per month for an SME, depending on the complexity of the accounting operations, the number of monthly entries and the additional services required, such as VAT declarations or the preparation of annual accounts.

What are the main factors influencing the price of an accounting firm?

Several factors determine the cost of accounting services: the size of the company, the volume of transactions, the complexity of the business sector, the geographical location of the firm, and the additional services required. Companies with complex tax issues often require specialized services that have a direct impact on pricing.

What’s the difference between the fees charged by an accounting firm and those charged by a chartered accountant?

A qualified chartered accountant generally charges higher rates than a conventional accounting firm, with fees ranging from €150 to €400 per month. This difference is due to the chartered accountant’s recognized qualifications, reinforced professional civil liability and ability to certify annual accounts.

Choosing an accountancy firm to suit your budget

To choose an accounting firm that suits your budget, first define your real accounting needs. Compare quotes by analyzing the details of the services included. Make sure your prices are transparent, and avoid abnormally low rates which may conceal additional costs or poor quality of service.

How can you reduce the cost of an accounting firm’s services?

There are a number of ways to reduce accounting costs: optimize voucher entry, negotiate a fixed annual fee rather than billing by time spent, limit services to those that are essential, and maintain well-organized accounting throughout the year to avoid overtime.

When should I call on the services of a tax lawyer rather than an accounting firm?

A tax lawyer is essential when you are faced with a tax audit, a dispute with the authorities, or complex tax optimization issues. Unlike accountants, tax lawyers can represent you in court, and enjoy absolute professional secrecy, which is particularly important in contentious situations.

The complex paths of taxation are not a problem for us.
Gain peace of mind with experts, plan your strategy!