The protection of your personal data is a key priority for the company under the name “Th. MERTZIMEKIS KAI SIA O.E.”, trading as “NEXT LEVEL”. Through this Personal Data Protection Policy, the company informs the public about how it collects, uses, stores and protects the public’s personal data during the visit and use of the website. The processing of personal data is carried out in accordance with the provisions of Law 4624/2019, which sets out measures implementing Regulation (EU) 2016/679 (General Data Protection Regulation – GDPR).

1. Useful information
The website belongs to the company under the name “Th. MERTZIMEKIS KAI SIA O.E.”, trading as “NEXT LEVEL”, with its registered office in Thessaloniki at 41 G. Papandreou St., 546 46.

1A. Contact details
E-mail: welcome@nextlevel.com.gr
Telephone: +30 2310 334061 / +30 2310 334062

1B. Purpose of the website
The purpose of the website is to inform the public about the work of “NEXT LEVEL”, presenting the services provided in the field of technical and construction projects, indicative projects it has carried out, the members who staff it and the means of contact. No online sales, bookings or payments take place through the website and no user accounts are created.

1C. The website content does not constitute an offer
Information about services, projects, technical solutions and programmes — such as energy upgrade schemes — is provided for general information and does not constitute a binding offer, a technical study or professional advice. Every project is assessed individually. Only the terms included in a written offer or contract concluded between the company and its clients are binding.

The terms, conditions and subsidy rates of state programmes are determined by the competent authorities and may change. “NEXT LEVEL” recommends that the information provided be verified from official sources.

2. Data Controller
The Controller of the personal data is the company under the name “Th. MERTZIMEKIS KAI SIA O.E.”, trading as “NEXT LEVEL”.

For any matter concerning the processing of personal data, you may contact “NEXT LEVEL” through the contact details set out on the website, and in particular in the first section.

3. Personal data of the public
The purpose of the website is informational; there is no option to create a user profile. There is the possibility of subscribing to the newsletter, in which personal data is entered and processed by the company. Specifically, this concerns identification data (full name), contact details (telephone, e-mail address) and the data included in messages or requests you send us.

The company does not collect personal data of minors or special categories of personal data, unless this is required by the nature of the collaboration and permitted by law.

The personal data of clients is kept for the entire duration of the use of the service and for as long as the client’s business relationship with the company lasts.

Specifically, when subscribing to the newsletter, clients declare that the data entered is accurate and that they have the right to share it and have it processed by “NEXT LEVEL”. Submitting a request does not create a contractual relationship, nor any obligation on the company to undertake the project. Newsletter subscription is optional and may be cancelled at any time.

4. Data Processing
The processing of clients’ personal data is carried out for the provision of the company’s services to clients, after the client’s consent has first been obtained. Specifically, it is used solely for: communicating with clients and responding to your requests, providing the company’s services, fulfilling our contractual and legal obligations, improving the operation and security of the website, and complying with applicable law.

5. Transfer of Personal Data
“NEXT LEVEL” does not sell or rent personal data.

Authorised employees and partners or service providers (such as website hosting, technical support or IT providers) may have access to clients’ data, solely to the extent required for the provision of their services and always under an obligation of confidentiality and in accordance with the provisions of Law 4624/2019 and Regulation (EU) 2016/679 (General Data Protection Regulation).

Data is not transferred outside the European Economic Area, unless this is permitted by applicable law and the required protection safeguards are in place.

6. Clients’ rights regarding the processing of personal data
In accordance with the General Data Protection Regulation, clients whose personal data has been processed by “NEXT LEVEL” have the following rights: access to your personal data, rectification of inaccurate or incomplete data, erasure of your data where provided, restriction of processing, data portability, objection to processing, and withdrawal of your consent where processing is based on it, without prejudice to the lawfulness of processing carried out before the withdrawal.

They may exercise their rights by contacting “NEXT LEVEL” through the contact details referred to in the first section.

If they consider that their rights regarding the protection of their personal data are being infringed, they have the right to lodge a complaint with the Hellenic Data Protection Authority (HDPA).

7. Data security
“NEXT LEVEL” applies appropriate technical and organisational measures to protect personal data from unauthorised access, loss, alteration or destruction.

8. Intellectual property
All content of the website — text, project photographs, drawings, graphics, logos and the design — is the intellectual property of NEXT LEVEL or of third parties who have granted the relevant licence, and is protected by Greek and European law.

Viewing and printing of extracts for personal, non-commercial use is permitted. Reproduction, modification, republication or commercial exploitation without our prior written permission is prohibited.

The project photographs and certificates shown relate to specific projects and suppliers and may not be used outside that context.

9. Acceptable use of the website
The public undertakes not to use the website in any way that infringes the law or the rights of third parties, not to attempt unauthorised access to our systems, not to interfere with their operation and not to transmit malicious software or unsolicited messages through the forms.

10. Third-party links
The website contains links to third-party websites, such as Google Maps and social media. Those websites operate under their own responsibility and are governed by their own terms and privacy policies, over which we have no control.

11. Availability and limitation of liability
We make every reasonable effort to keep the website available and its content accurate and up to date, without however guaranteeing its uninterrupted operation or the absence of errors. We may suspend or modify its operation for maintenance or upgrade purposes.

To the extent permitted by law, “NEXT LEVEL” is not liable for indirect or consequential loss arising from the use of, or inability to use, the website. No provision of these Terms limits its liability for wilful misconduct or gross negligence, nor affects rights protected by mandatory legal provisions.

12. Amendment of the Policy
This Policy may be amended at any time in order to meet applicable legal or operational requirements. The version in force at any given time is published on this website.

13. Governing law and jurisdiction
These Terms are governed by Greek law. Any dispute that may arise may first be resolved through mediation and, thereafter, the courts of Thessaloniki shall have jurisdiction, without prejudice to any mandatory legal provisions applying in favour of consumers.

If any individual term is held to be invalid, the remaining terms remain in force.

TERMS & CONDITIONS
These Terms govern the use of the website of “NEXT LEVEL”. By browsing, the public accepts the above Terms.

Last updated: July 2026