Deduct tax consulting costs: 5 tips for 2025
We'll show you which costs are deductible, how to enter them correctly and what you should pay attention to when doing so.

Key takeaways
The exchange with experts helps you get the most out of your tax
If you are subject to sales tax, you can claim the input tax on your tax consulting costs
Keep all documents and ensure that everything remains comprehensible.
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What are tax consulting costs?
Tax advice costs that you can deduct include:
· Tax return costs: For example, when your tax advisor prepares your income tax, business tax or sales tax return.
· General tax advice: Many seek regular advice on possible tax optimizations. These consulting costs are also considered deductible.
· Current accounting and financial statements: Anyone who outsources accounting or annual financial statements can usually claim the costs incurred for this for tax purposes.
· Support during tax audits: If your company is audited, your tax advisor often takes over the communication with the tax office. The costs incurred for this are also deductible tax advice costs.
· Advice on setting up a company: Tax advice before and during incorporation, for example on choosing the legal form, is also deductible in many cases, provided that there is a specific connection to the subsequent company.
Hire a tax advisor: These costs can be deducted
The costs of preparing the tax return
This is one of the most important tasks of a tax advisor: Preparing the tax return. Here are the Tax advisor costs usually deductible. For example, if you ask your tax advisor to prepare your income tax return, you can deduct the corresponding amount.
Tax advice on topics such as “tax optimization” and more
If you're wondering whether you might still be able to save taxes, it may be worthwhile to sit down with your tax advisor. This type of tax consulting expenses is also deductible. On the basis of sound advice, you can optimize your tax burden in many cases.
Costs incurred as part of ongoing bookkeeping and annual financial statements
You can also deduct these costs as expenses. This is an important detail that is particularly relevant for self-employed people, freelancers and companies who regularly seek support from a tax advisor and questions for all areas of accounting.
Costs of accompanying a tax audit
A tax advisor can help you go to a tax audit more relaxed. He answers the auditing authority's questions and serves as the first point of contact when it comes to preparing everything properly. You can also deduct the additional costs that become relevant as a result of the said tax audit.
Advice on the topic of “starting a business”
The topic of “taxes” becomes relevant early on, often before the actual founding of a company. To ensure that you are well positioned here, it is often recommended to work with a tax advisor early on. The costs arising from this include deductible costs, for example for advice on the choice of legal form or tax registration. You can find more information about this here: Tax advisor for setting up a business.
Costs of tax advice as part of criminal tax proceedings
Costs of defense in criminal tax proceedings may be deductible if the allegation is operationally caused, for example, during a tax audit or a reduction in turnover in the company. In the case of purely private matters, deductibility does not apply.
Costs for tax programs and software
Accounting and tax programs are deductible operating expenses — provided that they are used exclusively for business purposes. This applies, for example, to tools for income surplus accounting, document management or digital accounting. General software solutions with mixed use can only be deducted proportionally.
Make sure to clearly document professional use and all relevant documents to upload.
Note: We show the specific benefits and service offerings of our Tax advice for GmbH or UG for you on.
Where and how are tax costs entered?
Tax advisor deduct costs: What applies to the income tax return?
As a private person, you wear your Tax consulting costs usually in the area”advertising costs“or “other advertising costs” if they are related to income from non-self-employed work.
· Form: Appendix N
You enter the relevant expenditure in Appendix N. Advertising costs relating to income from non-self-employed work are listed there.
· Line 46: Other advertising costs
In line 46, for example, you can enter costs for tax advice if they relate to your salary or other professional topics.
Note: Costs for purely private advice, such as asset management, are not deductible. Only the professionally initiated share counts as advertising costs.
Claim tax consulting costs as operating expenses
If you are self-employed or run a company, you can pay tax advice costs as Operating expenses Deduct — provided that they are related to your entrepreneurial activity.
· Form: EUER attachment
If your company submits a surplus income statement, enter the tax consulting costs in the EUER attachment.
· Line 47: Operating Expenses
In line 47, you enter the costs that have been incurred, for example, for ongoing bookkeeping, annual financial statements or company tax returns.
Tax consulting costs in the sales tax return
When you go to Input tax deduction eligible Are, can you the sales tax shown in the tax advisor bill as Claim input tax.
· form: Sales tax return
You pay the corresponding input tax in line 66 one — provided that the service is related to your company and that you have a proper invoice.
Important: As Small business owners in accordance with § 19 UStG You are excluded from deducting input tax. In this case, you cannot claim sales tax.
In any case, it is important that an independent auditor can understand exactly why you have claimed which costs. Therefore, keep all documents that document your tax consulting costs. The tax office could request the documents retrospectively. Of course, the invoice that your tax advisor writes to you is particularly important. Or in other words: Only with reckoning Can you your Deduct tax advisor costs.
These are the benefits of a tax advisor
Integral services at a glance
Tax advice
Bookkeeping
Payroll
Financial statements & tax return
General accounting:
· Accounting documents (digital or on paper)
· Documents
· Totals and Balance Lists (SuSa)
· Business Analyses (BWA)
Tax documents:
· Submitted and pending tax returns
· Tax assessments
· Correspondence with the tax office
Digital data:
· DATEV data (client inventory, account framework, etc.)
· Login data or access rights for accounting tools
Payroll (if applicable):
· Payslips
· Payroll accounts
· Social security reports
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Statutory regulations and limits
Section 4 paragraph 5 EStG
If you are self-employed or entrepreneurial, your tax consulting costs are considered as Operating expenses, as long as they serve to run your company. This includes, for example, costs for accounting, annual financial statements or company tax returns.
Section 9 EStG
Private individuals can pay tax advice fees only then Discontinue when you are using the Generating income correlations — for example, in the case of expenditure relating to the preparation of an income tax return with professional relevance. This expenditure is considered to be advertising costs.
Tax Code (AO)
According to the tax code, you are required to provide evidence of tax-relevant expenditure. In order for tax advice costs to be recognized, you definitely need a proper invoice. If it is not available, the tax office can refuse to deduct it.
Important: Tax consulting fees that are exclusively for private purposes are not deductible. These include, for example, costs for advice in connection with private asset management or for preparing gift tax returns.
How to optimally deduct tax consulting costs: 5 tips
This includes keeping all invoices from your tax advisor, even smaller amounts. Anything that has to do with tax advice can be relevant. Anything that has to do with your tax advice can be relevant here.
2. Distinguish between private and commercial tax consulting costs.
As a rule, you can only deduct your tax consulting costs as operating expenses if they are related to your business activity. However, if private shares are also involved, you can usually still sell a certain commercial share. Your tax advisor can help you make a clean separation.
3. Get tax advice.
Your tax advisor certainly still has ideas on how you can optimize the deductibility of your costs. It can be useful to consult regularly in order to identify new potential.
4. Ask your tax advisor to address the invoices they send to you directly to your company.
In this way, you ensure that it is clear from the outset that the services relate to business purposes.
5. (if available) Check whether you can also deduct consulting costs abroad
Working abroad? International consulting costs can also be deductible under certain conditions, for example if they are directly related to your company or a double taxation agreement.
You are not satisfied with your tax advisor and want to terminate and alternate? No problem! You are not bound to a specific service provider. Switching is usually very straightforward. A lot of information on taxes and accounting can also be found on the website of the Federal Chamber of Tax Advisors, among others.
Conclusion: Use and deduct tax consulting costs in a targeted manner
The costs incurred as part of income tax returns, start-up advice and investment advice are deductible in many cases. In addition, you can often claim additional services, such as tax returns for company start-ups or international advice, and thus get the most out of your tax options.
Set off your tax consulting costs — optimize now with a tax advisor!