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We at MMK Systems d.o.o. are committed to protecting your privacy. This Privacy Policy applies to the information and data collected when you interact with us on our websites or through other channels (for example, by communicating with us or attending one of our events), and when you use our products and services.

This Privacy Policy describes how we collect, receive, use, store, share, transfer, and process your Personal Data. It also describes your choices and rights with respect to your Personal Data, including your rights of access and correction of your Personal Data. If you do not agree with this Privacy Policy, you should not use MMK Systems Software Services

We update this Privacy Policy from time to time and we encourage you to review this Privacy Policy periodically. We will post any Privacy Policy changes on this page.

For the purposes of this Privacy Policy “Personal Data” shall mean any information relating to an identified or identifiable individual where such information is protected similarly to personal data or personally identifiable information under applicable Data Protection Laws (as defined in the Data Processing Agreement).


MMK operates public-facing websites, Software services via web applications, APIs or desktop applications, and Booking Manager Summit conference for Yacht Charter. Depending on the service we collect the following data.

MMK Public-facing Websites

Public-facing websites operated by MMK are:

  • www.booking-manager.com
  • www.mmksystems.com
  • www.bookingmanagersummit.com

MMK, as a Data Controller, is bound by the requirements of the General Data Protection Regulations (GDPR).

Certain non-personal information about users is recorded by the standard operation of the MMK websites. Such information is used to make visits to our sites easy and enjoyable. Other uses of this information include an internal review of the number of visitors to MMK websites. E-mail addresses and other personally identifiable information about users can be known to MMK.

MMK collects information about website visitors when they fill in any of the forms on our website. Website usage information is collected using cookies. MMK uses and processes the information provided to us to enable us to discharge the Services and for other related purposes.

MMK does not commercially share your private information with any third party.

When submitting forms on our website we use third-party software providers for automated data collection and processing purposes. sub-processors are not using your data for any purposes and will only hold the data in line with our policy on data retention.

Here is the list of third-party software providers:

  • Hubspot
  • Zendesk
  • Google Analytics
  • Hot Jar
  • NiceReply

We additionally use Linkedin, Facebook, Twitter and Instagram advertising services and as such there are tracking codes installed on our website so that we can manage the effectiveness of these campaigns. 

We do not store any personal data within this type of tracking.

Use of Cookies

Some information may also be automatically collected (unless you have set your computer's preferences to prevent it) whenever you log onto MMK web site, through what are known as "cookies". Cookies are pieces of information stored on a user's hard drive for record-keeping purposes. A cookie cannot determine your name, e-mail address, phone number or any other personal information about you unless you choose to provide that information. Rather, a cookie is able to store information about your computer and the online activities generated from it, such as what kind of browser software you use to access the Internet, the type of operating system, and the domain name of your Internet service provider. We may also use cookies to give users the ability to personalise the website or track and provide users scores on designated contests. This information is most easily tracked with cookies and is used only for the purpose of operating the website and administrative and research functions.

Booking Manager Summit

Booking Manager Summit is a yearly yacht charter conference organised by MMK.

To attend the event either virtually or in real life, MMK needs to collect data including but not limited to name, surname, email address, phone number, company information.

MMK Software Services

MMK, as a Data Processor, is bound by the requirements of the General Data Protection Regulations (GDPR).

Information Processed on Behalf of the Customers

Customers may collect Personal Data such as first and last name, email address, physical address, phone number, or other information of other people while using the MMK Software Services in this case, MMK does not control the information stored and collected using MMK Software Services.

We store our customers' data on MMK servers and process it as a processor under our customers’ instructions and in accordance with our Service Contract which prohibit us from using the information except as necessary to provide and improve the Service and as required by law.

Our customers control their own data, and are responsible for correcting, deleting or updating the information they process using the MMK Software Services and for complying with any regulations or laws in their respective jurisdictions requiring providing notice, disclosure, and/or obtaining consent prior to transferring the Personal Data to MMK for processing purposes. 

Third-Party Integrations 

Customers may connect third-party integrations to their MMK Software Services account. Those third-party services may ask for certain permissions in order to access data or send information to customer's account. It is a responsibility of customer to review any third-party integrations they authorise.

Any permission(s) granted by the customer, grants these third parties access to the data, which may include (but are not limited to) granting third-party applications access to view, store, and modify your records.  MMK is not responsible for the practices of third-party integrations, so please carefully review the permissions you grant to third-party applications.

Log Files

When you visit our websites or when you use the Software Service, we automatically collect information about your computer hardware and software. This information can include your IP address, browser type, domain names, internet service provider (ISP), the files viewed on our site (e.g., HTML pages, graphics, etc.), operating system, clickstream data, access times and referring website addresses. 

Usage Data 

We collect usage data when you or your users in your account interact with the Online Service. We engage third-party providers to collect usage data, and we only share data with these providers in an unidentified manner. Usage data includes metrics and information regarding your use and interaction with the Service such as what product features you use the most.

Activity History

MMK collects data about the customers' activity on MMK Software Services including the history of data changes in the system to enable data auditing functionality.


At MMK we take customers' privacy seriously and will only use your personal information to provide the Services you have requested from us.  We will only use this information subject to your instructions, data protection law and our duty of confidentiality.

For Business to Business Clients and Contacts our lawful reason for processing your personal information will be “legitimate interests”.  Under “legitimate interests” we can process your personal information if: we have a genuine and legitimate reason and we are not harming any of your rights and interests.

Our work for you may require us to pass your personal information to our third-party service providers, agents, subcontractors and other associated organisations for the purposes of completing tasks and providing the Services to you on our behalf.  However, when we use third party service providers, we disclose only the personal information that is necessary to deliver the Services and we have contracts in place that requires them to keep your information secure and not to use it for their own direct marketing purposes.

We collect information on our website to process your enquiry and improve our services.  If you agree, we will also use this information to share updates with you about our services which we believe may be of interest to you.

We will not sell your information for marketing purposes with any third party companies so that they may offer you their products and services.

MMK, may, however, disclose user information in special cases when we have reason to believe that disclosing this information is necessary to identify, contact or bring legal action against someone who may be causing injury to or interference with (either intentionally or unintentionally) MMK's intellectual property rights or the rights of other MMK web site users, or anyone else that could be harmed by such activities.
Further, MMK may disclose user information when we believe in good faith that the law requires it.

To Market and Promote the Software Services

We use the information you provide to market and promote the products, services, and other offerings.
For example, we use your email or physical address, to send information or MMK Systems content to you that we think may be of interest to you by post, email, or other means. 
We use this information to promote the use of our services to you and share promotional and information content with you in accordance with your communication preferences. 

We may also reach out to you via telephone to ask about other products or services you may be interested in.

To Communicate with Customers About the Services 

We use the data customers provide when signing up for the Software Services to contact them via email about billing, account management, and other administrative matters. We may also communicate about security incidents via email. 

We use customers' information to provide support, such as resolving technical issues and analysing product outages or bugs. 

To Provide and Improve the MMK Software Services

We use customers' account information and data to provide the product and services.

We collect data about how our products and services are used by monitoring and tracking our product users. We use this data to develop and improve our products and services.  For example, we use usage data to assess trends and usage across the product to help us determine what new features or integrations our users may be interested in. We may share usage data externally but will only do so in an anonymised and/or aggregated manner to build and improve product features. 

To Secure and Protect our Product and Users 

We use your account information to investigate and help prevent security incidents. We may also use this information to meet legal requirements. We use your information to verify user accounts and access and to detect and prevent abuses.

For Research and Development

We may share externally or provide other companies with statistical information about our users, but this information will not be used to identify any individual user, we may publish blog posts on trends or insights. 

Booking Manager Summit

Collected information for Booking Manager Summit conference is used to:

  • provide the service at the Booking Manager Summit event
  • communicate with attendees before and after the event
  • provide additional services such as access badges, hotel rooms and other miscellaneous services
  • promote the event to customers

The collected information is not shared or sold to third parties.


MMK Software Services

All of the customer business data generated and stored in process of using MMK Software Services is kept securely on MMK servers in EU. For security purposes, data is also backed up to additional servers also located in EU.

Customers' business data is not transferred outside the EU. If customers use the services while outside the EU, information may be transmitted but not stored outside the EU to provide those services.

Customers' Private Data / MMK Websites

As part of the services offered to you through the MMK websites, the information which you give to us may be transferred to countries outside the European Union (“EU”). For example, some of our third-party providers may be located outside of the EU.  Where this is the case we will take steps to make sure the right security measures are taken so that your privacy rights continue to be protected as outlined in this policy.  By submitting your personal data, you’re agreeing to this transfer, storing or processing.  If customers use the services while outside the EU, information may be transmitted but not stored outside the EU to provide those services.


We use a variety of security technologies and procedures to help protect your Personal Data from unauthorised access, use or disclosure. We secure the Personal Data you provide on computer servers in a controlled, secure environment, protected from unauthorised access, use or disclosure. All Personal Data is protected using appropriate physical, technical and organisational measures.

How long we keep information we collect about you depends on the type of information and how we collect and store it.  After a reasonable period of time, we will either delete or anonymise your information or, if this is not possible, then we will securely store your information and isolate it from any further use until deletion is possible. 

Non-sensitive details (your email address etc.) are sent normally over the Internet, and this can never be guaranteed to be 100% secure. As a result, while we strive to protect your personal information, we cannot guarantee the security of any information you transmit to us, and you do so at your own risk.

We retain Personal Data that you provide to us where we have an ongoing legitimate business need to do so. When we have no ongoing legitimate business need to process your Personal Data, we securely delete the information or anonymise it or, if this is not possible, securely store your Personal Data.


By using MMK Services, you signify your consent to the MMK Privacy Policy. If you do not agree to this policy, please do not use our services. Your continued use of the MMK services following the posting of changes to these terms will mean you accept those changes.


For any questions about this Privacy Policy or the treatment of your Personal Data please contact us at security@mmksystems.com or write us by mail at MMK Systems, Radnicka Cesta 52, 10000 Zagreb Croatia.

We ask that you contact us immediately if you have any concerns or believe that any information you have provided to MMK has been used in a manner other than as described above. Customers should contact us via contact form.