Tax return for companies and founders
With the Integral platform and for our partner tax advisors, we do everything digitally, in compliance with the law and efficiently, nationwide.

What is a tax return for companies?
With our platform for accounting, tax and tax returns for companies and partnerstax advisors This process becomes simple and transparent for companies.
Mandatory for companies: All companies in Germany, whether UG, GmbH or sole proprietorships, must file tax returns provided they have taxable income. This includes income tax for sole proprietorships, corporation tax for corporations, as well as business tax and sales tax.
Tax types: Includes income tax (for partnerships), corporation tax (for corporations), sales tax and business tax. Other taxes such as capital gains tax or solidarity surcharge may apply depending on the situation.
Legal compliance: The tax return for companies must comply with the requirements of the Commercial Code (HGB) and the Tax Code (AO). In addition, the principles of regular accounting (GoB) must be observed for bookkeeping and annual financial statements, in particular when using digital systems.
Components of a tax return for companies
Sales tax return: Recording input tax and sales tax, monthly or yearly.
Corporation tax return: For GmbHs/UGs, based on the annual financial statements.
Business tax return: Mandatory for all traders, based on business income.
Income tax return: For sole proprietors or partnerships, including business expenses.
Attachments and receipts: Evidence of deductions, such as investments or operating costs.
Important information and updates for your tax return
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Benefits of filing a tax return with a tax advisor
General benefits
1. Error reduction: Experts check receipts and tax data to avoid back payments.
2. Legal compliance: Compliance with HGB, AO and GoBD for legally secure documents.
3. Save time: You focus on your business while we take care of the tax return.
4. Tax optimization: Identification of deduction options, such as operating expenses or investments.


More benefits with Integral
Digital efficiency: Upload receipts online and track the status of your tax return in real time.
Transparency: Overview of deadlines and processing status on the Integral platform. An intuitive dashboard shows you all important deadlines and the current processing status of your financial reports so that you are always informed.
Personal support: Direct communication with your partner tax advisor via the platform. Ask questions or clarify details instantly via our secure, user-friendly interface, without on-site appointments.
1. Data integration
2. Review and preparation
3. Matching and Submission
Deadlines for corporate tax returns
Advance sales tax return: Monthly or quarterly, depending on turnover, until the 10th of the following month. The annual sales tax return is due by July 31 of the following year (with tax advisor: February 28 of the year after next).
Corporation tax/business tax: For limited liability companies and UGs until 31 July of the following year. By hiring a tax advisor, the deadline is extended to February 28 of the year after next.
Income tax: For individual entrepreneurs until July 31 of the following year. With tax advisors, the deadline is extended to February 28 of the year after next.
Consequences of missed deadlines
Late surcharges: If the tax return is submitted late, the tax office may charge a surcharge of up to 10% of the fixed tax, a maximum of 25,000€, depending on the length of delay.
3 tips for entrepreneurs and the tax return
What our customers say
FAQ — Everything about tax returns for companies
It depends on your type of company: GmbHs/UGs file corporate and business tax returns, individual entrepreneurs an income tax return.
Yes, possible for small businesses (e.g. EUER), but a tax advisor minimizes errors and optimizes deductions, especially for limited liability companies.
Until July 31 of the following year, with tax advisor until February 28 of the year after next. Sales tax monthly/quarterly.
With Integral via our partner tax advisors, digitally and nationwide.
The income tax return is relevant for individual entrepreneurs, while corporations file corporate and business tax returns.
An EÜR is possible for small companies, but GmbHs/UGs benefit from tax advisors for HGB compliance.: The complexity of legal requirements makes professional support for corporations almost indispensable in order to Meet deadlines and to avoid mistakes.
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