Privacy Policy
Last updated: August 2026
1. Introduction
This Privacy Policy explains how Big Data Roaming, a service operated by Wifi.se Sverige AB, collects, uses, stores and protects your personal data when you visit our website, purchase an eSIM, contact us or otherwise use our services.
Wifi.se Sverige AB is the data controller responsible for the processing of your personal data.
Company registration number: 556421-1216
Registered address: Artillerigatan 6, 114 51 Stockholm, Sweden
Email: info@bigdataroaming.com
We process personal data in accordance with applicable data protection legislation, including the EU General Data Protection Regulation (GDPR).
2. Personal Data We Collect
Depending on how you use our website and services, we may collect the following information:
- Name
- Email address
- Billing address
- Country
- Telephone number, where provided
- Order and purchase information
- Payment and transaction information
- eSIM and Data Plan information
- Customer support correspondence
- IP address
- Browser and device information
- Website usage information
- Cookie and analytics information
- Technical information required to deliver or troubleshoot your eSIM service
We only collect personal data that is necessary for the purposes described in this Privacy Policy.
3. How We Collect Your Personal Data
We may collect your personal data when you:
- place an order on our website;
- purchase an eSIM or Data Plan;
- create or use an account;
- contact customer support;
- subscribe to our newsletter;
- complete a form on our website;
- interact with our website or services; or
- accept cookies or similar technologies.
Some technical information may be collected automatically when you visit our website.
4. How We Use Your Personal Data
We may use your personal data to:
- process and manage your orders;
- deliver your eSIM and QR code;
- process payments;
- provide customer support;
- activate and administer your Data Plan;
- troubleshoot technical issues;
- communicate with you about your order or service;
- prevent fraud and misuse;
- maintain the security of our website and services;
- comply with legal and accounting obligations;
- improve our website and services;
- analyse website usage; and
- send marketing communications where permitted.
Personal data must be processed for specified purposes and limited to what is necessary for those purposes.
5. Legal Basis for Processing
Under GDPR, we must have a lawful basis for processing your personal data.
Depending on the purpose, we may rely on the following legal bases:
Performance of a contract
We process personal data where necessary to provide the eSIM, Data Plan or other service you have purchased.
Legal obligation
We may process and retain certain information where required by accounting, tax, consumer protection or other applicable laws.
Legitimate interests
We may process certain information where necessary for our legitimate business interests, such as preventing fraud, maintaining security, improving our services and responding to customer enquiries, provided that these interests do not override your rights and freedoms.
Consent
Where required, we rely on your consent, for example for certain cookies or marketing communications.
GDPR permits processing where one of the lawful bases set out in Article 6 applies.
6. Orders and eSIM Delivery
When you purchase an eSIM, we process information necessary to:
- confirm your order;
- receive payment;
- deliver your eSIM or QR code;
- administer your Data Plan; and
- provide technical and customer support.
Your information may need to be shared with service providers involved in payment processing, eSIM provisioning, telecommunications services and digital delivery.
We only share information necessary for those providers to perform their services.
7. Payments
Payments may be processed by third-party payment providers.
Big Data Roaming does not necessarily receive or store your complete payment card details.
Payment providers may process your information according to their own privacy policies and legal obligations.
We may retain transaction information such as:
- transaction reference;
- payment status;
- amount paid;
- date of payment; and
- payment method type.
8. eSIM and Network Providers
To provide your eSIM and mobile data service, we may work with third-party eSIM platforms, telecommunications providers and network operators.
Information necessary to provide, activate, manage or troubleshoot your service may be shared with these providers.
The exact network provider may vary depending on your destination and Data Plan.
9. Customer Support
When you contact us, we may process information including:
- your name;
- email address;
- order number;
- device information;
- eSIM details;
- technical information; and
- the content of your communication.
We use this information to respond to your enquiry and provide customer support.
10. Newsletter and Marketing
If you subscribe to the Big Data Roaming newsletter, we may use your email address to send you:
- travel tips;
- eSIM information;
- roaming updates;
- product news; and
- special offers.
Where consent is the applicable legal basis, you may withdraw your consent at any time.
You can unsubscribe using the unsubscribe link included in our marketing emails or by contacting:
Unsubscribing from marketing does not prevent us from sending important service-related messages concerning an order you have made.
11. Cookies
Our website may use cookies and similar technologies.
Cookies may be used to:
- ensure the website functions correctly;
- remember user preferences;
- manage shopping-cart functionality;
- improve website performance;
- understand how visitors use the website; and
- support marketing or advertising where permitted.
Where required by law, non-essential cookies will only be used after you have provided consent.
More information can be found in our Cookie Policy.
12. Analytics
We may use analytics services to understand how visitors interact with our website.
Depending on your cookie preferences, analytics information may include:
- pages visited;
- time spent on the website;
- approximate location;
- browser type;
- device type;
- referring website; and
- interactions with website features.
This information helps us improve our website and services.
13. Who We Share Personal Data With
We may share personal data with trusted third parties where necessary, including:
- payment providers;
- eSIM technology providers;
- mobile network operators;
- hosting providers;
- email and communication providers;
- website and IT service providers;
- analytics providers;
- accountants and professional advisers; and
- public authorities where required by law.
We do not sell your personal data.
Third-party providers are only permitted to process personal data for authorised purposes and subject to applicable data protection requirements.
14. International Data Transfers
Some service providers may process personal data outside Sweden or outside the European Economic Area (EEA).
Where personal data is transferred outside the EEA, we take appropriate measures to ensure that the transfer complies with applicable data protection legislation.
Depending on the destination and provider, these safeguards may include:
- a European Commission adequacy decision;
- approved Standard Contractual Clauses; or
- another legally permitted transfer mechanism.
15. How Long We Keep Your Personal Data
We retain personal data only for as long as necessary for the purposes for which it was collected or as required by law.
Retention periods may differ depending on the type of information.
For example:
- order and accounting information may be retained as required by Swedish accounting and tax legislation;
- customer support correspondence may be retained for as long as reasonably necessary to manage the matter;
- marketing information may be retained until you unsubscribe or withdraw consent; and
- technical and security data may be retained for a limited period for fraud prevention and security purposes.
GDPR requires personal data to be kept no longer than necessary for the relevant processing purpose.
16. Data Security
We take appropriate technical and organisational measures to protect personal data against:
- unauthorised access;
- accidental loss;
- alteration;
- destruction;
- misuse; and
- unauthorised disclosure.
However, no internet-based service or electronic storage method can guarantee absolute security.
17. Your Data Protection Rights
Depending on the circumstances, GDPR gives you several rights regarding your personal data.
These may include:
- Right to information – to understand how your personal data is processed.
- Right of access – to request information about the personal data we process about you.
- Right to rectification – to have inaccurate or incomplete information corrected.
- Right to erasure – to request deletion of your personal data in certain circumstances.
- Right to restriction – to request that processing of your personal data is restricted in certain circumstances.
- Right to object – to object to certain processing, including some processing based on legitimate interests.
- Right to data portability – to receive certain personal data in a structured, commonly used and machine-readable format.
- Right to withdraw consent – where processing is based on consent, you may withdraw that consent at any time.
These rights are established under GDPR and are described by the Swedish Authority for Privacy Protection (IMY).
To exercise any of these rights, contact:
We may need to verify your identity before processing your request.
18. Automated Decision-Making
Big Data Roaming does not normally make decisions about customers based solely on automated processing that produce legal or similarly significant effects.
If this changes, we will provide the information required under applicable data protection legislation.
19. Children’s Privacy
Our services are not specifically directed at children.
We do not knowingly collect personal data from children except where necessary and permitted by law.
If you believe that a child has provided personal data to us improperly, please contact us.
20. Links to Third-Party Websites
Our website may contain links to third-party websites or services.
We are not responsible for the privacy practices of third-party websites.
We recommend reviewing the privacy policy of any third-party service you use.
21. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect:
- changes to our services;
- changes to our suppliers;
- changes to technology; or
- changes to applicable laws and regulations.
The latest version will be published on our website together with the date it was last updated.
22. Complaints
If you have questions or concerns about how we process your personal data, please contact us first at:
You also have the right to lodge a complaint with the competent data protection supervisory authority.
In Sweden, the supervisory authority is the Swedish Authority for Privacy Protection (Integritetsskyddsmyndigheten, IMY).
23. Contact
Big Data Roaming
A Wifi.se Sverige AB Company
Wifi.se Sverige AB
Company registration number: 556421-1216
Artillerigatan 6
114 51 Stockholm
Sweden
Email: info@bigdataroaming.com