Privacy Policy

Personal Data Security and Privacy Policy

The Company under the name YIOANNI SONS KAI ANTONIOU MAMASI KAI SIA OE places great value on honesty and clarity and we are committed to developing a strong and lasting relationship with our consumers, which is based on trust and mutual benefit, adopting transparent policies and desiring the cooperation of our counterparties in every matter that concerns them. For this purpose and given the great importance that the protection of your private life has for us as well as your right to self-presentation in the way you want, we list below our Company’s policy for the protection of your personal data . This policy applies to all cooperation between us and please read it very carefully.



Responsible for the processing of your data is our company under the name YIOI IOANNI KE ANTONIOU MAMASI KE SIA OE. In order for it to be immediately possible for you to exercise your rights, an analysis of which will follow, you can contact us using our email address



The Company collects four types of information about users: 1. information that the user gives us through the creation of an account, 2. information that the user gives us in order to be able to carry out his order by purchasing products as a guest, 3. information that the user gives us when participating in contests held from time to time, or when filling out information forms, 4. automatically collected data (e.g. using cookies to understand how you use our websites/applications.

Our Company only collects your necessary information in order to:

1. able to meet the contract between us

2. to provide you with the necessary information about our products.

3. to communicate with you if this has been accepted by you.

4. to comply with its legal obligations (e.g. invoicing.)


When creating an account:

In the event that you create a user profile to complete your order, you will be asked for: 1. Username, which is your email you will need to use and 2. Personal Secret Access Code (Password). We recommend regularly renewing your Personal Secret Code. The website allows you to change this. The following information is stored in your personal account: name, surname, address, contact numbers,  age, purchase history, email address.


When placing an order

During the process of placing an order from our website, you will be asked to provide your personal information: first name, last name, email, shipping address, postal code, contact phone number to complete the transaction and ship your order. In addition, you may be asked for more specific information such as: shipping information, delivery of an order, billing information or details about an offer you have requested. The personal data you declare on our website is kept exclusively for the transactions between us and may not be used by anyone else except where provided by the Law to the competent authorities, or in order for the company to act under urgent circumstances to protect its personal safety of its users,


When signing up for newsletters and commercial communications

In the case of your subscription to newsletters and commercial communications, the following may be requested: Email address, First and last name, Contact telephone number, Personal description or preferences, Profile on social media (when the connection is made from social media or you disclose personal data to us).


By browsing our website – Cookies

The data we receive may include: Information about the use of our websites/apps such as where you connect from, Login details, Websites you visit, Videos you watch, Ads you click or tap on, Products you search for, Location where you are, Duration of your visit, Products you selected for your cart. Technical information: IP address, Information about your browser, Information about your device, The unique identifier assigned to each visitor and the expiration date of that identifier.



When creating an account:

· Performance of a contract: To provide you with the service you requested (eg creating an account, completing a survey or purchasing a product). The Company uses the information you provide during the online submission of the form in order to contact you regarding 1. the delivery of the order to your location or to resolve practical issues regarding the proper execution of your order, 2. for confirmation or identification of the customer in any necessary case, 3. to receive gifts after a competition draw.

· Consent: To send you direct marketing communications if you have chosen our relevant action.

· Legitimate interest: To ensure that our websites/apps remain secure, to protect them from fraud, to better understand your needs and expectations, to improve our services, products and brands and to we comply with legal requirements (eg tax issues).


When placing an order:

· Performance of a contract: To provide you with the service you requested (purchase).

· Legitimate interest To protect you and us from fraudulent transactions and to ensure the proper execution of the contract between us.


When signing up for newsletters and commercial communications:

· Consent: To send you direct marketing communications.

·  Legitimate interest: To tailor our advertising communications, to understand their effectiveness and to ensure that we satisfy your desire to be informed about our products by promoting them in the best possible way. 


While browsing our website:

· Legitimate interest: To ensure that we provide you with websites/apps, advertisements and notices that work properly and are continuously improved to accept cookies which (i) are necessary for the operation of our websites/apps and (ii) are used to maintain our websites/apps safe and secure.

· Consent: For all cookies necessary to provide online behavioral advertising, show you online ads for products that may be of interest to you based on your past behavior, show you ads and content on social media platforms, customize the services we offer you, to allow the sharing of our content on social media (share buttons to view the location).



The website uses SSL technology on all its pages so as to ensure greater security for its users and your personal data is transferred encrypted to our server. Due to the nature of our services to protect your personal data we use third-party solutions, taking every reasonable precaution and protection measure to limit access to your data. We also contractually require any trusted third party that handles your personal data on our behalf to do exactly the same. We always make every effort to protect your personal data and once we receive it, we use strict procedures and security features to prevent any unauthorized access to it. As the transmission of information over the internet is not completely secure, we cannot guarantee the security of your data transmitted to our website. Therefore, any data transmission takes place at your own risk.



When we send or display personalized communications or content, we may use some techniques identified as “profiling” (that is, any form of automated personal data processing that consists of using said data to evaluate certain personal characteristics of a natural person, in particular, to analyze or predict characteristics concerning personal preferences and interests regarding the goods sold by us). This means that we may collect personal data about you as discussed in the section about your data that we collect when you browse our website. This data is collected and analyzed in order to evaluate and predict your personal preferences and/or interests and based on these to send you or display communications and/or content tailored to your interests/needs. In some cases, you have the right to refuse the use of your data for “profiling”.



We will disclose your personal data to third parties for direct marketing purposes only with your consent. In this context, your data is processed by that third party, which acts as a data controller, and the terms and conditions and privacy policy of that party will apply. You should review their documents carefully before giving your consent to the disclosure of your information to that third party.

Your personal data may also be processed on our behalf by our trusted third party suppliers. We rely on trusted third-party vendors to perform a number of business functions on our behalf. We only provide them with the information they need to perform those services and require them not to use your personal data for any other purpose. We always make every effort to ensure that all third parties we work with keep your personal data secure. For example, we may outsource services that require the processing of your personal data to:

· Third parties who provide support and assist us in providing digital and e-commerce services, such as social media listening services, store locator services, loyalty programs, identity management, ratings and reviews, customer relationship management (CRM), services Web Analytics and Search Engines, User Generated Content Curation Tools.

· Advertising companies, product marketing companies, digital media and social media companies. as well as organizing campaigns, to analyze their effectiveness and to manage your communication with us and your questions.

· Third parties who must deliver a product to you, e.g. postal/delivery services.

· Third parties who provide support to us and help us provide IT services, such as providers of platforms, hosting services, maintenance and support of our databases as well as our software and applications that may contain data about you (sometimes, the due services may involve access to your data to perform the required tasks).

· Payment service providers and credit reference agencies to provide your credit assessments and verify your details where this is a condition of entering into a contract with you.

· Third parties who provide us with customer service support.

· To third parties if we are required to disclose or share your personal data for our compliance with any legal obligation or the enforcement or application of our terms of use/sale or other terms and conditions you have accepted to protect the rights, assets or the security of YIOI IOANNI KE ANTONIOU MAMASI KE SIA OE, our customers or employees.

· If we have your consent for this.

· As long as the law allows us to do so.

· To our third party partners. In this case, YIOI IOANNI KE ANTONIOU MAMASI KE SIA OE and the partner, each for its own purpose, process your personal data and said processing is carried out by us in accordance with this Privacy Policy while by the partner, who also acts as a data controller in accordance with its own terms and conditions and in accordance with its own privacy policy. 

Our company, in order to be able to constantly improve the quality of the services it provides to the consumer, uses the Skroutz Analytics service. Through this service, anonymous usage statistics are shared on, while the data received by our company through this service is covered by the privacy policy as well as the cookies policy of

We do not offer or sell your personal data.



Your personal data is kept in electronic files and in a database. For more information about the identity of the databases and their electronic storage locations contact the controller.



· Your details are retained by us throughout the duration of the contract between us whether you have created an account or made a purchase as a guest.

· When you participate in an offer or promotion, while the offer or promotion lasts.

· When you contact us with a query, we retain your personal data for as long as it takes to process your query.

· When you create an account, we retain your personal data until you ask us to delete it or after a period of inactivity (not transacting with brands) determined in accordance with local regulations and guidelines.

· Where you have consented to direct marketing communications, we retain your personal data until you unsubscribe or request deletion, or after a period of inactivity (not transacting with brands) determined in accordance with local regulations and guidelines.

· When cookies are installed on your computer, we retain your personal data for as long as necessary to achieve their purposes (e.g. throughout a session of shopping cart cookies or session identifier cookies), as well as for a period of time determined according to local regulations and guidelines.

We may retain some of your personal data to comply with our legal or regulatory obligations and to be able to administer our rights (for example, to bring our claims before the Courts).

When we no longer need to use your personal data, we delete it from our systems and files or anonymize it so that you can no longer be identified from it.



From time to time, our websites and apps may contain links to and from the websites of our partner networks, advertisers and affiliated companies. If you follow a link to any of these websites, you are advised that those websites have their own privacy policies and we are not responsible for those policies. Please review these policies before submitting any personal data to these websites. We may also offer you the ability to use your social media login information. If you use this feature, you should be aware that you are sharing your profile information with us, depending on your settings on the relevant social media platform.



Some of our websites and apps allow users to submit their own content. Please remember that any content you submit to any of our social media platforms may be viewed by the public, so you should be careful when providing certain personal data, e.g. financial information or address details. We are not responsible for any actions taken by others if you post personal data on any of our social media platforms and we recommend that you do not post such information publicly.



Right to information: You have the right to receive clear, transparent and understandable information about how we use your personal data. For any question you can contact the data controller.

Right to access: You have the right to access the personal data we hold about you.

Right to rectification: You have the right to request the correction of your personal data if it is incorrect or no longer up-to-date and/or to complete it if it is incomplete. As long as you have an account, you can edit your information yourself. Although if you make a purchase as a guest you can contact the data controller electronically.

Right to deletion/right to be forgotten: You can ask us to delete your personal data. Deletion of your account does not automatically remove you from any newsletters or promotions you have subscribed to, so you must contact us to delete them. Please note that this is not an absolute right, as we may have legal or valid reasons to retain your personal data.

Right to object to direct marketing, including profiling: You may unsubscribe or refuse to receive direct marketing communications at any time. It’s easiest to do this by clicking the “Unsubscribe” link in any email or notification we send you. Otherwise, you can contact us. If you wish to refuse profiling, please contact us.

Right to withdraw consent to data processing carried out on the basis of consent at any time: You can withdraw your consent to the processing of your data by us where such processing is based on your consent. The withdrawal of consent does not affect the lawfulness of the processing carried out on the basis of consent before its withdrawal. If you wish to object and withdraw your consent, please contact us.

Right to object to processing based on legitimate interests: You can object to the processing of your data at any time when such processing is based on a legitimate interest. To do so, please contact us.

Right to lodge a complaint with a supervisory authority: You have the right to contact our country’s data protection authority and lodge a complaint about our data protection and privacy practices.. Please feel free to contact us in the manner stated at the beginning of this before submitting any complaint to the competent data protection authority.

Right to data portability: You have the right to move, copy or transfer data from our database to another. This only applies in the case of data that you have provided and the processing is based on a contract or your consent and such processing is carried out by automated means. For further information, please contact us.

Right to restriction of processing: You have the right to request that we restrict the processing of your data. This right means that our processing of your data is subject to restrictions and therefore we can store it but we cannot use it or process it further. This applies in limited cases listed in the General Data Protection Regulation and are as follows:

·  The accuracy of the personal data is contested by the data subject (ie, you) for a period of time that allows the data controller to verify the accuracy of the personal data.

·  The processing is unlawful and the data subject (i.e. you) objects to the deletion of the Consumer Privacy Policy and instead requests the restriction of its use.

· The data controller (i.e. YIOI IOANNI KE ANTONIOU MAMASI AND SIA OE) no longer needs the personal data for the purposes of the processing, but is required by the data subject to establish, exercise or support legal claims.

· The data subject (ie, you) has objected to the processing based on the legitimate interests of the data controller pending verification of whether the legitimate grounds put forward by the data controller override that of that data subject. If you wish to request this restriction, please contact us.

· Right to disable Cookies: You have the right to disable Cookies. Internet browser settings are usually programmed by default to accept Cookies. However, you can easily adjust them by changing the settings in your browser. Many cookies are used to improve the usability or functionality of websites/applications. Therefore, disabling cookies may prevent you from using certain parts of our websites/apps. If you wish to limit or block all cookies set by our websites/apps (which may prevent you from using certain parts of the site) or any other websites/apps, you can specify this through your browser settings. Your browser’s Help function will tell you how.

To process your requests, we may ask for confirmation of your identity.

Please note the following:

We will do our best to protect your personal data, but protecting your password on our website is also up to you.

The online store strictly applying the principles of personal data protection and harmonizing with the European Regulation on the Protection of Personal Data expressly declares that it will not proceed with any unfair use of your personal data and in no way discloses, disclose, sell, rent or trade your personal information and the information you submit to any third party, subject to what is stated in this policy.

It is emphasized that by submitting material to our server, you are bound by your statement that this material does not contain information that is untrue, illegal or in any way inappropriate for use and publication. In the event that the company perceives data with the aforementioned characteristics, these will be deleted immediately. The company does not bear any responsibility for the information that you voluntarily submitted and the sole responsibility rests with the provider of the information.

In any case, you must be over 16 years of age to transact with us. That is why it is requested to enter your age when creating an account and your relevant statement when purchasing as a guest.


Due to the existence of some websites that appear to sell mamassis jewelry and accessories, we would like to inform you that you can buy and be informed about mamassis products only from our official eshop at but also from the Skroutz and BestPrice platforms, with the checkout process being completed again through our official eshop.

Any other website that presents itself as a seller of mamassis products is illegal and tries to steal users’ personal and financial information.


All payments made using a card are processed through Alpha Bank’s “Alpha e-Commerce” electronic payment platform and uses TLS 1.2 encryption with a 128-bit encryption protocol (Secure Sockets Layer – SSL). Encryption is a way of encoding information until it reaches its intended recipient, who will be able to decode it using the appropriate key.