Privacy Policy
1. Controller
The controller responsible for processing personal data on this website is:
Winfried Wieland
Graduate Economist (Dipl.-Volkswirt)
Auf dem Heidgen 33
D-53127 Bonn
Germany
Phone: +49 (0) 228 24 381 15
Mobile: +49 (0) 175 59 662 29
Email: wieland@interimer.com
2. General information on data processing
We process the personal data of visitors to this website only to the extent necessary to provide a functional website, handle enquiries, communicate, or comply with legal obligations.
Personal data is any information relating to an identified or identifiable natural person, for example name, address, email address, telephone number, IP address, or communication content.
Processing is carried out in particular on the basis of:
• Art. 6(1)(a) GDPR, if you have given your consent,
• Art. 6(1)(b) GDPR, if processing is necessary to take steps prior to entering into a contract or to perform a contract,
• Art. 6(1)(c) GDPR, if there is a legal obligation,
• Art. 6(1)(f) GDPR, if we have a legitimate interest in providing this website securely, stably and in a user-friendly manner.
3. Access data and server log files
When you access this website, the web server automatically processes information transmitted by your browser. This may include:
• page or file accessed,
• date and time of access,
• amount of data transferred,
• browser type and browser version,
• operating system used,
• referrer URL,
• IP address,
• requesting provider.
Processing is carried out to provide the website technically, ensure system security, and detect misuse or disruptions.
The legal basis is Art. 6(1)(f) GDPR. Our legitimate interest lies in the secure and uninterrupted operation of the website.
Server log files are stored only for as long as necessary for the purposes stated. Longer storage takes place only if this is necessary to investigate security incidents or to enforce legal claims.
4. Contact
If you contact us by email, phone or other means of communication, we process the data you provide, in particular your name, contact details, the content of your enquiry and, where applicable, other information you share with us.
Processing is carried out to handle your enquiry and to communicate with you.
The legal basis is Art. 6(1)(b) GDPR if your enquiry is aimed at entering into or performing a contract. In all other cases, processing is based on Art. 6(1)(f) GDPR. Our legitimate interest lies in handling enquiries appropriately.
Enquiries are deleted as soon as they are no longer required for processing, provided there are no statutory retention obligations or legitimate interests in further storage.
5. Contract and business communication
In the context of mandates, projects, consulting or other business relationships, we process personal data of contacts, customers, prospective customers and business partners. This may include:
• name and contact details,
• company affiliation and role,
• communication data,
• contract and project data,
• billing and payment data, where required.
Processing is carried out to initiate, perform and manage business relationships.
The legal bases are Art. 6(1)(b) GDPR, Art. 6(1)(c) GDPR and Art. 6(1)(f) GDPR.
Business and tax-relevant documents may be retained for up to ten years in accordance with statutory provisions.
6. Cookies and similar technologies
This website uses cookies and similar technologies. Cookies are small text files that are stored on your device.
We distinguish between:
Technically necessary cookies
These cookies are necessary for the website to function, for example to store your cookie settings or to provide certain functions securely.
Optional cookies and services
Where statistics, marketing, media or external content services are used on the website, they are used only on the basis of your consent.
The legal basis for technically necessary cookies is Art. 6(1)(f) GDPR. Where access to information on your device or the storage of information takes place that is not technically necessary, this is done on the basis of your consent pursuant to Section 25 TDDDG and Art. 6(1)(a) GDPR.
You can withdraw or change your consent at any time with effect for the future via the website’s cookie settings.
7. Consent management
This website uses a consent management tool to obtain, document and manage consents for certain cookies and services.
The following data may be processed in this context:
• your consent decision,
• time of consent,
• browser used,
• technical device information,
• shortened or full IP address, where technically necessary.
Processing is carried out to comply with legal documentation obligations and to manage your privacy settings.
The legal bases are Art. 6(1)(c) GDPR and Art. 6(1)(f) GDPR.
8. Web analytics and statistics
If analytics or statistics services are used on this website, they serve to evaluate website usage, improve content and technically optimise the offering.
Such processing takes place only if you have given prior consent. The legal basis is Art. 6(1)(a) GDPR.
You can withdraw any consent you have given at any time via the cookie settings.
9. External links
This website may contain links to external websites, for example to LinkedIn, Amazon or professional associations. If you click such a link, you will leave this website. The respective provider is responsible for data processing on the linked pages.
Please refer there to the applicable privacy notices.
10. Integration of external content
Where external content is integrated on this website, for example fonts, maps, videos, social media content or other third-party content, it may be technically necessary for your IP address to be transmitted to the respective provider.
Such integration takes place only if it is technically necessary or if you have given prior consent.
Depending on the service, the legal basis is Art. 6(1)(f) GDPR or Art. 6(1)(a) GDPR.
- External fonts from Google Ireland., https://www.google.com/fonts (“Google Fonts”). The integration of Google Fonts is done by a server call to Google (usually in the USA). Privacy policy: https://www.google.com/policies/privacy/. You can find an opt-out here: https://www.google.com/settings/ads/.
- Maps from the “Google Maps” service of the third-party provider Google. The privacy policy can be accessed here: https://www.google.com/policies/privacy/. You can find an opt-out option here: https://www.google.com/settings/ads/
- Our online offering uses functions of the LinkedIn network. The provider is LinkedIn Ireland Unlimited Company, Wilton Place, Dublin 2, Ireland. Each time one of our pages containing LinkedIn functions is accessed, a connection to LinkedIn’s servers is established. LinkedIn is informed that you have visited our website with your IP address. If you click the “Recommend Button” on LinkedIn and are logged into your LinkedIn account, it is possible for LinkedIn to associate your visit to our website with you and your user account. We point out that we, as the provider of the pages, have no knowledge of the content of the transmitted data or its use by LinkedIn. The privacy policy can be accessed here: https://www.linkedin.com/legal/privacy-policy and an opt-out is available here: https://www.linkedin.com/psettings/guest-controls/retargeting-opt-out.
11. Recipients of personal data
Personal data may be shared with service providers who support us in operating the website, hosting, technical maintenance, communication or business processing.
Where required, contracts are concluded with processors in accordance with Art. 28 GDPR.
Data is disclosed to third parties only if:
• you have given your consent,
• this is necessary for contract performance,
• there is a legal obligation,
• or we have a legitimate interest and your interests or fundamental rights do not prevail.
12. Transfer to third countries
Personal data is transferred to countries outside the European Union or the European Economic Area only if there is an appropriate legal basis for this, in particular an adequacy decision by the European Commission, appropriate safeguards such as EU Standard Contractual Clauses, or your explicit consent.
13. Storage period
We store personal data only for as long as necessary for the respective purposes.
Data is deleted as soon as the purpose of processing no longer applies and there are no statutory retention obligations, documentation obligations or legitimate interests in further storage.
Statutory retention periods, in particular under commercial and tax law, remain unaffected.
14. Your rights
Under the GDPR, you have the following rights:
• right of access pursuant to Art. 15 GDPR,
• right to rectification pursuant to Art. 16 GDPR,
• right to erasure pursuant to Art. 17 GDPR,
• right to restriction of processing pursuant to Art. 18 GDPR,
• right to data portability pursuant to Art. 20 GDPR,
• right to object pursuant to Art. 21 GDPR,
• right to withdraw consent pursuant to Art. 7(3) GDPR.
If you have given consent, you can withdraw it at any time with effect for the future. The lawfulness of processing up to the point of withdrawal remains unaffected.
15. Right to lodge a complaint with a supervisory authority
You have the right to lodge a complaint with a data protection supervisory authority if you believe that the processing of your personal data violates data protection law.
The competent authority may in particular be the data protection supervisory authority of your habitual residence, your place of work, or the place of the alleged infringement.
16. Right to object under Art. 21 GDPR
If we process personal data on the basis of Art. 6(1)(f) GDPR, you have the right to object to this processing at any time for reasons arising from your particular situation.
We will then no longer process your personal data unless we can demonstrate compelling legitimate grounds for the processing which override your interests, rights and freedoms, or the processing serves the establishment, exercise or defence of legal claims.
17. Data security
We take appropriate technical and organisational measures to protect personal data against loss, manipulation, unauthorised access and misuse.
This website uses encrypted transmission via HTTPS.
18. Currency and changes to this privacy policy
This privacy policy is currently valid.
We reserve the right to amend this privacy policy if legal requirements, technical functions or data processing on this website change.
As of: June 2026


