At Checkstone Survey Technologies GmbH, we respect your privacy and recognize that all personal information you provide to us must be protected at the highest standard. Of course, we comply with the provisions of the applicable data protection laws- as well as the Telemediengesetz and will collect and process personal data of our users only to the extent as specified here.

By clicking the appropriate button when registering as a Tester at Checkstone, you accept the terms of condition. This includes that we may collect, process and use your personal information in relation to data processing operations specified here.

You can withdraw your consent at any time. The revocation needs to be addressed in writing to us, Checkstone Survey Technologies GmbH, Dohnanyistrasse 28, 04103 Leipzig, Germany. The written form is also maintained by email. You have the right to request information about what data is stored by you at any time.


Checkstone Survey Technologies GmbH
Dohnanyistra├če 28
D-04103 Leipzig

Phone: +49 (341) 14 937-0

Responsible entity is the natural or legal person who, alone or with others, decides on the purposes and means of processing personal data (such as names, e-mail addresses, etc.).

Your personal contact at Checkstone Survey Technologies GmbH:

Phone: +49 (341) 14 937-29


If there has been a breach of data protection legislation, the person affected may file a complaint with the competent regulatory authorities. The competent regulatory authority for matters related to data protection legislation is the data protection officer of the German state in which our company is headquartered. A list of data protection officers and their contact details can be found at the following link:



If you send us inquiries via the contact form, your details from the contact form will be stored in order to process the request and in case of follow-up questions. We will not share this information without your consent.

The processing of the data entered into the contact form is therefore exclusively based on your consent (Art. 6 (1) lit. DSGVO). You can revoke this consent at any time. An informal message by email to us is sufficient. The lawfulness of processing personal data carried out until the revocation remains unaffected by the revocation.

The information you provide in the contact form will remain with us until you ask us to delete it, until you revoke your consent for storing your data or until the purpose for data storage is no longer given (e.g.: after your request has been processed). Mandatory statutory provisions - especially retention periods - remain unaffected.


With your registration at our website we collect personal data. Furthermore, we store to a certain extent data that is necessary when using our website. This happens only in anonymized or pseudonymized form. In addition, after completing a job (test order), the information you provide will be electronically stored on our servers to make the data available only to the company that advertised the job. This data is not processed and used by us otherwise.


Personal data is collected and processed when registering on our website. In order to be able to provide you with test assignments, we ask you to share the following data with us:

  • Title, name and family name
  • Language
  • Address including the country you live is
  • Your operation radius, in which you are willing to take test assignments
  • Telephone number
  • Email address
  • Date of birth
  • Geolocation

After your registration you will receive a username and an electronic generated password, which you will replace with a password of your choice at your first login (this password is never visible in plain text).

The data specified above is your inventory data. We need the data from our users in order to manage the tester accounts and to contact our users if necessary. Due to the special technical possibilities offered by the web services and the increased potential of abuse, a clear identification of our user is inevitable.

We collect, process and use personal data only insofar as they are necessary for the establishment, content or modification of the legal relationship (inventory data). This is done on the basis of Art. 6 Abs. 1 lit. b DSGVO, which allows the processing of data to fulfill a contract or precontractual measures. We collect, process and use personal data based on the usage from our website (usage data) only if necessary in order to enable or charge our users for the use of the service.

The collected customer data will be deleted after completion of the order or termination of the business relationship. Legal retention periods remain unaffected.


We only share personally identifiable information with third parties,

  • If the third party has advertised jobs and you have explicitly applied for this specific job,
  • if and to the extent necessary for the execution of the contractual relationship with you or for the enforcement of our claims and rights,
  • if there are requests from public authorities, in particular law enforcement and supervisory authorities, and the disclosure is required to avert threats to public safety and order and the prosecution of criminal offenses, and / or
  • if we are otherwise legally required to do so


On written request, we will inform you at any time about which personal data about you is stored with us. You still have the opportunity at any time to have the data of your tester account and thus your personal data blocked or deleted by us. This can also be initiated online on your tester account.

Data, which we need for the completion of outstanding tasks or for the enforcement of our rights and claims, as well as data, which we must keep after legal measure, is excluded.

If you delete your tester profile, your information will be available during a job (test order), but will be anonymised.


This site uses, for security reasons and to protect the transmission of confidential content, such as orders or requests that you send to us as a site operator, an SSL or TLS encryption. You can recognize an encrypted connection by changing the address line of the browser from "http: //" to "https: //" and the lock symbol in your browser line.

If SSL or TLS encryption is enabled, the data you submit to us cannot be read by third parties.


The internet pages partly use so-called cookies. Cookies do not harm your computer and do not contain viruses. Cookies serve to make our offer more user-friendly, effective and secure. Cookies are small text files that are stored on your computer and stored by your browser.

The cookies we use are so-called "session cookies" - which are protected by data protection law because they do not store any personal data. They are automatically deleted after your visit!

These cookies, which are required to carry out the electronic communication process or to provide certain functions which you wish to use, are processed on the basis of Art. 6 Abs. 1 lit. f DSGVO stored and require according to the current cookie policy of the EU no approval by the user! The website operator has a legitimate interest in the storage of cookies for the technically error-free and optimized provision of its services.


The operator of the webpage automatically collects and stores information in so-called server log files, which your browser automatically transmits to us. These are:

  • Browser type and browser version
  • Used operating system
  • Referrer URL
  • Host name of the accessing computer
  • Time of the server requested
  • IP address

This data will not be merged with other data sources.

The basis for data processing is Art. 6 Abs. 1 lit. f DSGVO, which allows the processing of data for the performance of a contract or pre-contractual measures.


This website uses Google AdWords. AdWords is an online advertising program of Google Inc., 1600 Amphitheater Parkway, Mountain View, CA 94043, United States ("Google").

If you have your habitual residence in the European Economic Area or Switzerland, Google Ireland Limited (Gordon House, Barrow Street, Dublin 4, Ireland) is the entity responsible for your data. Google Ireland Limited is therefore the company affiliated with Google, which is responsible for the processing of your data and compliance with the applicable data protection laws.

Your data may be transferred to the United States. Google has certified itself according to the US-EU data protection agreement "Privacy Shield" and thus committed to comply with the European data protection guidelines. You can find more information and Google's privacy policy at:


When visiting our website, your surfing behavior can be statistically evaluated. This is done primarily with cookies and with so-called analysis programs. Your surfing behavior is usually analyzed anonymously; the surfing behavior cannot be traced back to you. You can object to this analysis or prevent it by not using certain tools. You can find detailed information on this in the following data protection information.


You can prevent the storage of cookies by a corresponding setting of your browser software; however, please note that if you do this, you may not be able to use all the features of this website. In addition, you may prevent the collection by Google of the data generated by the cookie and related to your use of the website (including your IP address) as well as the processing of this data by Google by downloading the browser plug-in available under the following link and install:


AdWords is an online advertising program. As part of Google Ads, we use the so-called conversion tracking. When you click on an ad served by Google, a conversion tracking cookie is set. Cookies are small text files that the Internet browser stores on the user's computer. These cookies lose their validity after 30 days and are not used for the personal identification of the users. If the user visits certain pages of this website and the cookie has not expired yet, Google and we can recognize that the user clicked on the ad and was redirected to this page.

Each Google Ads customer receives a different cookie. The cookies cannot be tracked through the websites of advertisers. The information gathered using the conversion cookie is used to generate conversion statistics for Ads advertisers who have opted for conversion tracking. Customers are told the total number of users who clicked on their ad and were redirected to a conversion tracking tag page. However, they do not receive information that personally identifies users. If you do not want to participate in tracking, you can opt-out of this by easily disabling the Google Conversion Tracking cookie through its Internet browser under User Preferences. You will not be included in the conversion tracking statistics.

The storage of "conversion cookies" is based on Art. 6 Abs. 1 lit. f DSGVO. The website operator has a legitimate interest in analysing user behaviour in order to optimize both its website and its advertising.For more information about Google AdWords and Google Conversion Tracking, see the Google Privacy Policy:


This site uses so-called web fonts, provided by Google, for the uniform representation of fonts. When you call up a page, your browser loads the required web fonts into your browser cache to display texts and fonts correctly.

To do this, the browser you use must connect to Google's servers. As a result, Google learns that our website has been accessed via your IP address. The use of Google Web Fonts is in the interest of a consistent and attractive presentation of our online services. This constitutes a legitimate interest within the meaning of Art. 6 para. 1 lit. f DSGVO.

If your browser does not support web fonts, a default font will be used by your computer.

More information about Google Web Fonts can be found at and in Google's Privacy Policy:


This website uses the mapping service Google Maps.

When using the functions of Google Maps, a connection with Google is established. When you click on the card, your IP address will be forwarded to Google. The provider of this page has no influence on this data transmission. The use of Google Maps is in the interest of an attractive presentation of our online offers and to make it easier to find the places we have indicated on the website.

Data processing takes place with your consent on the basis of Art. 6 Para. 1 lit. a GDPR. You can revoke your consent at any time without affecting the lawfulness of the processing carried out based on your consent until you revoke it.

For more information on how to handle user data, please refer to Google's Privacy Policy:


We use technical and organizational security measures to ensure that the personal data of our users are protected against loss, incorrect changes or unauthorized access by third parties. In any case, only authorized persons have access to your personal data from our side, and only to the extent that it is necessary for the purposes mentioned above.


Our data protection information will be revised in the event of changes to this website or for other occasions that make this necessary. The current version is available on our website.

As of February 2020
Checkstone Survey Technologies GmbH

You have more questions about the topic data protection?
You can contact us at

Checkstone Survey Technologies GmbH

Dohnanyistraße 28, D-04103 Leipzig

Phone: +49 (341) 355 996 - 0

Fax: +49 (341) 14 937 - 15



How to find Checkstone

© 2020 | Checkstone Survey Technologies GmbH
Dohnanyistraße 28 | 04103 Leipzig