Tax practice · Cologne
Steuerberaterin Olga Iwen
From public informationLast checked:
In short
Digitally working tax adviser in Cologne for freelancers, the self-employed, start-ups, e-commerce and private individuals. Steuerberaterin Olga Iwen is located at Max-Planck-Str. 4, 50858 Cologne and can be reached by phone at 0156 79574547.
About Steuerberaterin Olga Iwen
The practice of tax adviser Olga Iwen is based in Cologne and describes itself as a digital tax advisory practice. Clients are served throughout Germany; in-person meetings are possible by arrangement.
According to the website, clients include business owners, freelancers, the self-employed, start-ups and private individuals, regardless of legal form. Services include digital financial accounting, payroll, annual accounts and tax returns, as well as advice on starting a business, for example on legal form, business plan and trade registration. For e-commerce businesses, the practice mentions importing shop and marketplace data into the books and handling VAT on international sales. Employees, pensioners, landlords and crypto investors are also advised.
The practice works with DATEV solutions such as Unternehmen online and Meine Steuern. Data from programs such as Lexoffice or sevDesk can be imported via the DATEV interface.
Focus areas of Steuerberaterin Olga Iwen
The firm names these 7 focus areas on its website. Click one to see every firm in Cologne with the same focus.
Firm details
- Firm type
- Tax practice
- Legal form
- Einzelkanzlei
- Responsible chamber of tax advisers
- Steuerberaterkammer Köln
- Data source
- The firm's legal notice (Impressum)
- Status
- From public information
- Last checked
This entry is based on publicly available information from the firm's own website, not on information supplied by the firm. Last checked on 14 October 2026. You can check an appointment as tax adviser in the official register of the Federal Chamber of Tax Advisers.
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Frequently asked questions
Where is Steuerberaterin Olga Iwen located?
Steuerberaterin Olga Iwen is located at Max-Planck-Str. 4, 50858 Cologne. The firm's published phone number is 0156 79574547. More information is available on the firm's own website.
What does Steuerberaterin Olga Iwen specialise in?
According to its own website, Steuerberaterin Olga Iwen focuses on Business start-ups, Freelancers, E-commerce, VAT, Digital bookkeeping, Payroll. The focus areas in this directory are taken from the firm's description of its services and can be corrected by the firm at any time.
Which chamber of tax advisers is responsible for Steuerberaterin Olga Iwen?
Tax advisers with their practice in Cologne are members of the Steuerberaterkammer Köln (§ 73(1) StBerG). Each adviser's appointment can be checked in the official register of the Federal Chamber of Tax Advisers.