data protection

Below we would like to inform you about the processing of your personal data. We take the protection of your data very seriously and adhere to the applicable regulations of the Federal Republic of Germany and the European Union.

The legal provisions can be found here: HTML/?uri=OJ:L:2016:119:FULL&from=DE .

Responsible body 

The responsible body for data processing on this website is:

d.i.i. Investment GmbH
Biebricher Allee 2
65187 Wiesbaden

Telephone: 49. 611. 95 01 68 – 0
Email: info(at)

The responsible body is the natural or legal person who alone or jointly with others decides on the purposes and means of processing personal data (e.g. names, email addresses, etc.).


This data protection notice applies to the following offers:

  • our online offers for real estate for purchase/sale, rent/rental, real estate funds, investments, available in particular at;
  • Whenever reference is made to this data protection declaration from one of our offerings (e.g. websites, subdomains, mobile applications, web services or integrations into third-party sites), regardless of how you access or use it.

Data Protection Officer 

Data protection is an important concern. d.i.i. takes the protection of your data very seriously and has appointed an external data protection officer in accordance with Art. 37 GDPR and §38 BDSG. d.i.i. available to you as contacts at datenschutz(at)

Information on the processing of personal data 

We only process your personal data on our website if you have expressly consented to this or if you provide your data voluntarily. If you do not wish to provide any information about yourself, the consequence is that we cannot process your concern or request.


We need your personal data:

  • when you visit our websites
  • if you have consented to receiving our newsletter
  • if you would like to be contacted by us to receive investment offers and information about our real estate funds, as well as if you would like to initiate a specific contract
  • if you would like to be contacted by us to receive property offers for purchase and/or rental
  • if you would like to be contacted by us to rent or sell a property
  • if you specifically want to rent or buy a property (contract initiation)

The purposes stated here may also change. We only collect the data that is necessary for the respective purpose (“data minimization” in accordance with Art. 5 Para. 1 c EU GDPR). Your data will not be passed on to third parties without your consent, unless this is necessary to fulfill contractual or legal obligations. Your data will only be stored for as long as is necessary for the respective purpose (Art. 5 Para. 1 e EU GDPR). Regulations on this can be found in Section 257 Paragraph 1 Nos. 2 and 3 and Section 257 Paragraph 1 No. 1 of the Commercial Code (HGB) as well as in Section 147 of the Tax Code. The deadlines are usually between 6 and 10 years (possibly up to 30 years in the event of financial loss).

What happens to your personal data? 

1. Your visit to our site 

As soon as you visit our website, access data is stored in a log file. This file contains browser type and version, operating system used, website from which you visit us, website you visit, date and time of access and your IP address. This processing serves to monitor our website, for example to identify possible errors in our websites. d.i.i does not link the data contained in the log file to any individual. However, we reserve the right to access the data if, based on certain facts, there is a suspicion that users are using our sites and/or services illegally or in violation of the contract. This serves to protect d.i.i. customers and users, the data and the d.i.i. websites and services.


Some of the websites use so-called cookies. Cookies do not cause any damage to your computer and do not contain viruses. Cookies serve to make our offering more user-friendly, effective and secure. Cookies are small text files that are stored on your computer and that your browser saves.

Most of the cookies we use are so-called “session cookies”. They are automatically deleted after your visit. Other cookies remain stored on your device until you delete them. These cookies enable us to recognize your browser the next time you visit.

You can set your browser so that you are informed about the setting of cookies and only allow cookies in individual cases, accept cookies for specific cases or in general

exclude and activate the automatic deletion of cookies when closing the browser. If cookies are deactivated, the functionality of this website may be restricted.

Cookies that are necessary to carry out the electronic communication process or to provide certain functions you require (e.g. shopping cart function) are stored on the basis of Article 6 Paragraph 1 Letters f and b GDPR. The website operator has a legitimate interest in storing cookies in order to provide its services in a technically error-free and optimized manner. If other cookies (e.g. cookies to analyze your surfing behavior) are stored, they will be treated separately in this data protection declaration.

If you would like to change your chosen cookie settings, please click on the “Change Cookie Settings” button below.

In the dialog box that opens, you will see your cookie ID, the date and time of your consent and your saved cookie settings.

You can change your settings here and save them again. You will see the current cookie settings the next time you visit our website or after refreshing the website and clicking on “Change cookie settings” again. To change your consent please click on the cookie symbol in the bottom right corner of the website.

2. Registration for the newsletter 

If you register for the newsletter with your email address, you will receive free information about the d.i.i. group and our funds several times a year. To register, you provide your email address; we also store your IP address and the date and time of your registration. As a general rule, we do not pass on your data to third parties. This serves as our safeguard in the event that a third party misuses your email address and subscribes to our newsletter without your knowledge. If there is no clear consent to the newsletter, you will receive a link to register for the newsletter. Once you have registered and agreed to the GDPR, you will receive the newsletter. If you no longer wish to receive the newsletter, you can unsubscribe. Every newsletter contains an unsubscribe link (“unsubscribe”) at the end of the email.

3. Contact form 

If you send us inquiries using the contact form, your details from the inquiry form, including the contact details you provided there, will be stored by us in order to process the inquiry and in case of follow-up questions. We will not pass on this data without your consent.

The data entered into the contact form is therefore processed exclusively on the basis of your consent (Art. 6 Para. 1 lit. a GDPR). You can revoke this consent at any time. All you need to do is send us an informal email. The legality of the data processing operations carried out up to the time of revocation remains unaffected by the revocation.

The data you enter in the contact form will remain with us until you request us to delete it, revoke your consent to storage or the purpose for data storage no longer applies (e.g. after your request has been processed). Mandatory legal provisions – in particular retention periods – remain unaffected.

4. Tenant app 

As a tenant, you have the opportunity to download the tenant app from the provider cunio free of charge in order to contact us and have your concerns processed quickly. The data protection regulations of our service provider cunio apply, which you can view here:

We have selected this service provider with great care and work with them on a contractual basis in accordance with Art. 28 GDPR/Art. 26 GDPR. If you no longer want to use the app, you can contact cunio directly and have the account deleted.

5. Property certificates (brokerage contracts for purchase and rental properties) 

When you book a viewing appointment, you fill out a declaration in which you confirm that we have provided proof of the property. This proof serves to secure our commission when the contract is concluded (see general terms and conditions) and is provided at the viewing appointment. It contains information about you, your signature and information about the property being viewed. If a purchase or sale is made, property records will be deleted no later than 30 years after the successful brokerage. Property records that do not need to be retained for billing purposes (if no sale took place) are retained for a maximum of six years (according to HGB).

6. Initiation of a contract for a purchase or rental property 

In order to initiate a contract, a so-called “self-disclosure” is required from the prospective tenant. The data contained therein is not transmitted to us by the user via this website, but rather via a form that is filled out by hand and given to us personally or sent by post, fax or email. Under certain circumstances, additional documents with personal data may be required that serve as the basis for the rental or purchase agreement (e.g. Schufa information, salary slips, credit reports, etc.). The data is only transmitted to the respective contracting parties (e.g. landlord or seller). The statutory retention periods according to the German Commercial Code (HGB) apply.

7. Website analysis 

This website uses functions of the web analysis service Google Analytics. The provider is Google Ireland Ltd., Gordon House, Barrow Street, Dublin 4, Ireland (“Google”).

Google Analytics uses so-called “cookies”. These are text files that are stored on your computer and enable your use of the website to be analyzed. The information generated by the cookie about your use of this website is usually transmitted to a Google server in the USA and stored there.

The storage of Google Analytics cookies is based on Art. 6 Para. 1 lit. a GDPR - Consent.

IP anonymization 

We have activated the IP anonymization function on this website. This means that your IP address will be shortened by Google within member states of the European Union or in other contracting states to the Agreement on the European Economic Area before it is transmitted to the USA. Only in exceptional cases will the full IP address be transmitted to a Google server in the USA and shortened there. On behalf of the operator of this website, Google will use this information to evaluate your use of the website, to compile reports on website activity and to provide other services related to website activity and internet usage to the website operator. The IP address transmitted by your browser as part of Google Analytics is not combined with other Google data.

Browser plugin 

You can prevent the storage of cookies by setting your browser software accordingly; However, we would like to point out that in this case you may not be able to use all functions of this website to their full extent. You can also prevent Google from collecting the data generated by the cookie and relating to your use of the website (including your IP address) and from processing this data by Google by downloading the browser plug-in available under the following link and install: ;

Objection to data collection 

You can prevent Google Analytics from collecting your data by clicking on the following link. An opt-out cookie will be set to prevent your data from being collected on future visits to this website: deactivate Google Analytics.

You can find more information about how Google Analytics handles user data in Google's privacy policy: ;

8. Applications 

If you apply to us, the following data will be processed: first name and last name, address, landline telephone number, mobile telephone number, email address as well as references and certificates. This data will be used for the purposes of initiating or fulfilling a contract in accordance with Article 6 Paragraph 1 Letter b GDPR and Section 26 BDSG (employment relationship). We do not pass on your data to other recipients and do not transmit it to a third country or an international organization. The planned storage period for this data is 6 months.

What are your rights? 

You have the right:

  • in accordance with Art. 15 GDPR, to request information about your personal data processed by us. In particular, you can obtain information about the purposes of processing, the category of personal data, the categories of recipients to whom your data has been or will be disclosed, the planned storage period, the existence of a right to rectification, deletion, restriction of processing or objection, the existence of a Right to complain, the origin of your data, if it was not collected by us, as well as the existence of automated decision-making including profiling and, if necessary, meaningful information about its details;
  • in accordance with Art. 16 GDPR, to immediately request the correction of incorrect or complete personal data stored by us;
  • in accordance with Art. 17 GDPR, to request the deletion of your personal data stored by us, unless the processing is carried out to exercise the right to freedom of expression and information, to fulfill a legal obligation, for reasons of public interest or to assert, exercise or defend legal claims is required;
  • in accordance with Art. 18 GDPR, to request the restriction of the processing of your personal data if you dispute the accuracy of the data, the processing is unlawful but you refuse its deletion and we no longer need the data but you use it to assert or exercise your rights or need to defend legal claims or you have objected to the processing in accordance with Art. 21 GDPR;
  • in accordance with Art. 20 GDPR, to receive your personal data that you have provided to us in a structured, common and machine-readable format or to request that it be transmitted to another person responsible;
  • In accordance with Art. 7 Para. 3 GDPR, you can revoke your consent to us at any time. This means that we are no longer allowed to continue the data processing based on this consent in the future
  • to complain to a supervisory authority in accordance with Art. 77 GDPR. As a rule, you can contact the supervisory authority at your usual place of residence or work or at our company headquarters. The contact details of the Hessian data protection authority are:

The Hessian data protection officer

PO Box 3163
65021 Wiesbaden

Telephone: +49 611 1408 – 0
Fax: +49 611 1408 – 611

Right to object 

If your personal data is processed on the basis of legitimate interests in accordance with Article 6 Paragraph 1 Sentence 1 Letter f or a GDPR, you have the right to object to the processing of your personal data in accordance with Article 21 GDPR, provided there are reasons for this exist that arise from your particular situation or the objection is directed against direct advertising. In the latter case, you have a general right to object, which we will implement without specifying a special situation. If you would like to exercise your right of revocation or objection, simply send an email to datenschutz(at)

10. Google Remarketing

This website uses Google remarketing technology from Google Inc. (“Google”).
For this purpose, cookies are placed on your computer so that third parties, including Google, can record which of our websites have been visited with your browser. You can then use this information at a later date on other websites, e.g. B. as part of Google searches or on websites in the Google network, our advertisements are presented. Further information about data protection at Google and how remarketing works can be found in the Google data protection information. Here you can also deactivate the storage of cookies through your browser settings and/or object to their collection as part of Google Remarketing through the Google display settings.

11. LinkedIn Insight Day

Our website uses the “LinkedIn Insight Tag” conversion tool from LinkedIn Ireland Unlimited Company. This tool creates a cookie in your web browser that enables the collection of, among other things, the following data: IP address, device and browser characteristics and page events (e.g. page views). This data is encrypted, anonymized within seven days and the anonymized data is deleted within 90 days. LinkedIn does not share p