Accounting for the UG: This is how double bookkeeping works
Nevertheless, as a corporation, it has clear obligations — especially in accounting.
Which legal requirements apply? How does double-entry bookkeeping work? And is it worthwhile to take over UG accounting yourself or outsource it to a tax advisor?
The following sections give you a practical overview of everything you need to know about accounting for your UG.

Key points
The accounting of a UG is sometimes much more complex than for freelancers.
When choosing accounting software, you should make sure that it offers all important functions for your UG.
If you want to save costs and benefit from expertise, you can prepare your bookkeeping and let a tax advisor do the rest.
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Why accounting is important for a UG
As a corporation, UG, just like a GmbH, is obliged to keep proper bookkeeping and to prepare regular balance sheets. If these obligations are neglected, there is a risk of fines or even liability consequences.
However, well-organized bookkeeping is much more than a legal obligation. It shows you how your company is developing and helps you make well-founded decisions based on current figures. Only those who keep an eye on income, expenditure and liquidity can react in good time to bottlenecks and plan investments in a targeted manner.
Transparent accounting also builds trust vis-à-vis banks and investors. It signals that your company is professionally managed and has a stable financial basis. Therefore, use your UG's accounting not only to comply with legal requirements, but also as an important management tool for sustainable success.
Double bookkeeping: What exactly does that mean?
The basic principle is simple: Everyone business transaction will Booked twice, Once on target and once on. This creates a complete picture of all cash flows. A simple example: If you sell goods on account, the amount is recorded in the possession of the revenue account and in the debit of the receivables account. In this way, it is always possible to see where income comes from and where expenditure is flowing.
For UGs, double bookkeeping is required by law — regardless of turnover or company size. It forms the basis for the balance sheet and the profit and loss statement (P&L), which are prepared at the end of a financial year and published in the electronic Federal Gazette.
So that you can better understand the structure, here is an overview of the most important components:
Opening balance
It is created at the start of business activity and shows the starting capital and the initial values of all assets. The legal minimum share capital of a UG is 1€.
Chart of accounts
The chart of accounts or chart of accounts systematically depicts all business transactions — from income and expenditure to liabilities and receivables.
Journal
In the journal, all bookings are recorded in chronological order. It is therefore the “diary” of your bookkeeping.
ledger
The general ledger summarizes all transactions from the journal thematically and assigns them to the respective accounts.
Inventory and financial statements
An inventory is carried out at the end of the financial year. It forms the basis for the balance sheet and income statement, which show how your company has developed financially.
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What is integral?
Integral unites Tax advice, bookkeeping and payroll in a holistic service.
Through intelligent automation, personal support and seamless integration of your existing tools, Integral ensures that your company remains tax-compliant at all times.
Experience how modern tax advice can work — with a free initial consultation or a guided tour of our platform.
Do it yourself vs. outsource UG accounting: advantages and disadvantages at a glance
Whether you the Outsource accounting for your UG, is also dependent on your professional know-how, your security needs and a general basic interest.
Both the decision to take care of your bookkeeping yourself and outsourcing have advantages and disadvantages. In the table below, you can see which details should be considered.
Option
benefits
drawbacks
Do your own bookkeeping
· Comparatively low running costs
· Full control over business figures without having to first request evaluations from the tax advisor
· Development of background knowledge on taxes
· High time expenditure
· Risk that mistakes will occur or deadlines will be missed
· No specialist contact who can help with more complex topics, for example
Outsource consulting
· Full focus on core business
· Correct and legally secure bookings
· Possibility to ask questions
· Higher running costs
· (depending on the flow of communication) sometimes longer waiting times until questions are answered
· A certain dependence on the service provider
Hybrid solution: The best of both worlds
Many founders choose a middle way. You will do simple preparatory work yourself, for example:
· Digitally sort and upload documents
· Check incoming payments
· Add notes to documents
Dein tax advisor then takes over the examination and the conclusion. In this way, you save costs, keep an overview and can still rely on professionally clean accounting.
Accounting software for UG in comparison: Which solution suits your entrepreneurial company?
The following is an overview of popular tools that are particularly suitable for UGs. Many of these programs can also be used for Accounting of a GmbH use. This is handy if your UG is growing or you are planning to switch to a GmbH in the long term — the software can then simply continue to be used.
Integral
With Integral, you get an all-round solution for accounting for your UG. The solution is particularly recommended for small and medium-sized companies that want to automate accounting and tax advice and obtain various solutions from a single source.
The most important functions include automatic booking processing, document management, payroll and the ability to prepare tax returns and annual financial statements — for example in collaboration with a tax advisor.
The user interface is clear and structured and because Integral places so much value on automation, you don't have to invest more time than necessary in your tax here. You also benefit from direct contact with a tax advisor who will answer your questions within 24 hours.
Lexware
Lexware's accounting software is aimed primarily at small and medium-sized companies and UGs. The integrated functions include double-entry bookkeeping, financial statements, EURE, connections to online banking and debt collection, and DATEV. The menus are intuitive and therefore largely self-explanatory. There are various tariffs available here, which you can individually adapt to your area of application.
DATEV
DATEV's solution is aimed primarily at law firms and larger companies. The system integrates extensive functions related to accounting, bookkeeping, various tax functions and payroll.
Many companies use this solution to work closely with their tax advisor. Due to the level of detail required, many law firms also recommend that their clients set up their accounting for UG on DATEV.
UG Cost Overview: Do-It-Yourself vs. Tax Advisor
The following comparison will help you to assess the whole thing a bit better:
Do UG bookkeeping yourself
Outsource UG accounting
If you decide to take over the bookkeeping of your UG yourself, you will first incur costs for the software and accessories used, such as a scanner.
Most cloud accounting tools usually cost between €15 and €30 per month with a low volume of documents.
At the same time, you should consider that you also have to invest your working time. It is therefore worthwhile to ask yourself the question “What could I earn if I didn't have to worry about my bookkeeping?” to deal with. This ensures that the whole thing remains economical for you.
If you hire a tax advisor, the monthly costs for small to medium-sized UGs are usually between 150€ and 500€.
The amount of costs depends primarily on the number of transactions to be booked, their complexity and any additional services, such as payroll accounting. There are also costs for preparing the profit and loss statement and the balance sheet. These are usually between 800€ and 2,500€.
A practical example of UG accounting in detail
Mr. M. simply uploads his invoices via the platform. The data is automatically read out, booked and assigned. At the end of the month, he only checks and confirms the prepared advance sales tax return. It is then submitted to the tax office in due time.
Integral's close cooperation with tax advisors is also practical: Mr. M. knows exactly who to contact if he has any questions and receives quick feedback. This allows him to concentrate on his day-to-day business while accounting runs reliably in the background.
Because the solution is scalable, it remains flexible even as it grows. So should his UG become a GmbH one day, he can simply continue using Integral.
Integral services at a glance
Tax advice
Bookkeeping
Payroll
Financial statements & tax return
How to find the right accounting solution for your UG
· the size of your company
· your budget
· the amount of time that you want to invest
dependent. In any case, make sure that the software you want to use enables accounting, double bookkeeping, advance sales tax return and GoBD-compliant documentation.
Holistic solutions offer you the advantage of being able to obtain all functions that are relevant to your UG's accounting from a single source. Coupled with the opportunity to contact a tax advisor if you have any questions, you benefit from a reliable basis for your business.
Questions & Answers: Accounting for UGs
The accounting of a UG includes the complete recording of all business transactions, i.e. income, expenditure, liabilities and receivables. As a corporation, UG is required by law to keep double bookkeeping. The collected data form the basis for the profit and loss statement. With carefully managed accounting, you ensure transparency, avoid mistakes and strengthen the trust of authorities, investors and business partners.
If you want to manage the bookkeeping of your UG yourself, you need suitable accounting software and basic knowledge of double-entry bookkeeping. You systematically record receipts, make bookings and regularly submit the advance sales tax return. Also check bank accounts, cash book, and open items to make sure all data is up to date. Cooperation with a tax advisor is recommended for the balance sheet and annual financial statements at the latest.
Good accounting software for UGs should support double-entry bookkeeping, accounting, and advance sales tax reporting. Suitable providers include Lexware, DATEV and Integral. Make sure that the software is GoBD compliant and that, if you work with a tax advisor, it offers a DATEV export. Cloud-based systems are particularly practical because you can also upload receipts on the go.
The costs depend on whether you do the bookkeeping yourself or outsource it.
Cheap software solutions usually cost between 15€ and 30€ per month, but require your time. For a tax advisor, you should expect 150€ to 500€ per month, depending on scope and complexity. The annual financial statements are calculated in addition and usually cost 800€ to 2,500€. If you want to save money, you can prepare the accounting and only have the tax advisor prepare the financial statements.
As a corporation, the UG is obliged to keep double accounts, prepare annual financial statements and publish them in the Federal Gazette.
You must also submit sales tax returns to the tax authorities on a monthly or quarterly basis. Incorrect or incomplete bookkeeping can result in fines or back payments, even for small UGs. It is therefore important to consistently comply with all legal requirements.
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