SYSTEM
LEGAL
PROTOCOLS

1.1 Data Controller. The data controller responsible for the processing of personal data collected through this website is QuantumHelixSystems, registered at Calle Pozo Chico 9 B, Planta Baja B, Valdemoro, Madrid, Spain. All data processing activities are conducted in accordance with Regulation (EU) 2016/679 (General Data Protection Regulation) and Ley Orgánica 3/2018 (LOPDGDD).

1.2 Data Collection. QuantumHelixSystems collects personal data exclusively through voluntary form submissions on the contact page. The data collected includes: full name, email address, selected service module, and free-text transmission content. This data is collected under the legal basis of Article 6(1)(b) GDPR — performance of a contract or pre-contractual measures at the data subject's request.

1.3 Data Processing Purpose. Personal data is processed solely for the purpose of: (a) responding to service inquiries, (b) providing project quotations and technical assessments, (c) executing contracted services, and (d) maintaining necessary business communications related to active projects. QuantumHelixSystems does not process personal data for purposes incompatible with the original collection purpose.

1.4 Data Retention. Personal data is retained for the duration necessary to fulfill the purposes for which it was collected. Contact form submissions are retained for a maximum of 24 months from the date of submission unless an active contractual relationship is established. Project-related data is retained for the duration of the contract plus 6 years in compliance with Spanish tax and commercial record-keeping obligations.

1.5 Data Sharing. QuantumHelixSystems does not sell, rent, or share personal data with third parties for marketing purposes. Data may be shared with: (a) technical service providers who assist in service delivery (hosting providers, payment processors) under Article 28 GDPR data processing agreements, (b) legal authorities when required by law or court order, and (c) professional advisors in the context of legal or regulatory compliance.

1.6 International Transfers. QuantumHelixSystems does not transfer personal data outside the European Economic Area (EEA) without appropriate safeguards as defined in Chapter V of the GDPR. Any necessary transfers to countries without an adequacy decision are governed by Standard Contractual Clauses (SCCs) or other approved transfer mechanisms.

1.7 Data Subject Rights. Under the GDPR, data subjects have the right to: (a) access their personal data (Article 15), (b) rectification of inaccurate data (Article 16), (c) erasure of personal data (Article 17), (d) restriction of processing (Article 18), (e) data portability (Article 20), (f) object to processing (Article 21), and (g) lodge a complaint with the Spanish Data Protection Agency (AEPD). To exercise any of these rights, contact [email protected].

1.8 Security Measures. QuantumHelixSystems implements appropriate technical and organizational measures to ensure a level of security appropriate to the risk, including encryption of data in transit (TLS 1.3), access controls, regular security assessments, and staff training on data protection obligations.

2.1 Cookie Usage. QuantumHelixSystems uses cookies strictly necessary for the technical operation of this website. The website does not deploy analytics cookies, advertising cookies, or any form of behavioral tracking. All cookie usage complies with Article 5(3) of the ePrivacy Directive (2002/58/EC) and Spanish Royal Decree-law 13/2012.

2.2 Essential Cookies. The only cookie deployed by QuantumHelixSystems is a single localStorage entry (qh_cookies_accepted) used to record the user's acceptance of the cookie notification banner. This entry: (a) is stored exclusively in the user's local browser environment, (b) is never transmitted to any server, (c) contains no personal data, and (d) can be deleted at any time through browser settings.

2.3 Third-Party Cookies. QuantumHelixSystems does not use any third-party cookies. No tracking scripts, analytics pixels, social media widgets, or advertising networks are embedded on this website. The Google Maps iframe on the contact page is loaded directly from Google's servers and may set cookies governed by Google's own privacy policy. Users who wish to avoid Google cookies should not interact with the map widget.

2.4 Cookie Consent. Upon first visiting the website, a cookie acceptance banner is displayed. No non-essential cookies are set until the user explicitly accepts by clicking the designated button. The acceptance status is recorded in the browser's localStorage. Users may revoke consent at any time by clearing their browser's localStorage data for this domain.

2.5 Cookie Duration. The essential localStorage entry persists until manually cleared by the user or until the browser's data is purged. No session cookies or temporary cookies are used. No cookies have an expiration date set by QuantumHelixSystems.

3.1 Pre-Work Cancellation. Clients may cancel a project and request a full refund within 14 calendar days of initial payment, provided that no substantive work has commenced on the project. Substantive work is defined as: code commits to the project repository, database schema creation, design file creation, or server provisioning. Cancellation requests must be submitted in writing to [email protected].

3.2 Milestone-Based Refunds. For projects structured around multiple payment milestones, refunds are calculated based on completed and approved milestones. If a client cancels after a milestone has been approved and paid, the refund amount is the total paid minus the value of all approved milestones. Milestone approval constitutes written confirmation from the client that the deliverable meets the agreed specifications.

3.3 Non-Refundable Items. The following are non-refundable once delivered: (a) completed and approved milestone deliverables, (b) third-party license fees or infrastructure costs already incurred on behalf of the client, (c) domain name registrations and renewals, (d) SSL certificate purchases, and (e) custom design assets delivered as final files.

3.4 Defective Deliverables. If delivered work does not meet the agreed technical specifications as documented in the project scope, QuantumHelixSystems will, at its discretion: (a) remedy the defects within a reasonable timeframe at no additional cost, or (b) issue a partial refund proportional to the defective portion of the deliverable. Defect claims must be submitted within 30 calendar days of delivery with specific documentation of the non-conformance.

3.5 Refund Processing. Approved refunds are processed within 14 business days of approval to the original payment method. QuantumHelixSystems reserves the right to deduct a processing fee of up to 3% for payment gateway transaction costs on refunded amounts. Refund requests are evaluated on a case-by-case basis in accordance with EU consumer protection directives.

3.6 Dispute Resolution. In the event of a refund dispute that cannot be resolved through direct communication, parties agree to submit the matter to mediation before initiating formal legal proceedings. The applicable jurisdiction is Madrid, Spain, and the applicable law is that of the Kingdom of Spain.

4.1 Scope of Services. QuantumHelixSystems provides web development, database architecture, application engineering, and related technical services as described on the services page of this website. All services are delivered by QuantumHelixSystems from its registered office at Calle Pozo Chico 9 B, Planta Baja B, Valdemoro, Madrid, Spain. Specific project scope, deliverables, timelines, and pricing are defined in individual project proposals and agreed upon in writing before work commences.

4.2 Project Engagement Process. All engagements begin with a technical consultation and scope definition phase. QuantumHelixSystems will provide a detailed project proposal including: (a) technical specifications, (b) deliverable list, (c) timeline with milestones, (d) pricing and payment schedule, and (e) acceptance criteria. Work begins only upon written acceptance of the proposal by the client.

4.3 Payment Terms. Payments are structured according to the milestone schedule defined in the project proposal. Invoices are issued upon milestone completion and are payable within 14 calendar days. Late payments incur a statutory interest rate of 8% above the European Central Bank base rate in accordance with Directive 2011/7/EU on late payment in commercial transactions. QuantumHelixSystems reserves the right to suspend work on any project where an invoice remains unpaid for more than 21 calendar days.

4.4 Intellectual Property. Upon full payment of all invoiced amounts, the client receives a perpetual, non-exclusive license to use all deliverables produced under the agreement. QuantumHelixSystems retains ownership of: (a) pre-existing code libraries and frameworks used in the project, (b) general-purpose tools and utilities developed during the project, and (c) methodologies and processes. Custom code written specifically for the client becomes the client's property upon full payment.

4.5 Confidentiality. Both parties agree to maintain the confidentiality of all proprietary information shared during the course of the engagement. This obligation survives the termination of the agreement for a period of 3 years. Confidential information includes but is not limited to: business strategies, technical architectures, source code, database schemas, and client lists.

4.6 Limitation of Liability. QuantumHelixSystems' total aggregate liability under any agreement shall not exceed the total fees paid by the client for the specific project giving rise to the claim. QuantumHelixSystems shall not be liable for indirect, consequential, or incidental damages including but not limited to loss of profits, data, or business opportunities. This limitation does not apply to liability arising from gross negligence or willful misconduct.

4.7 Force Majeure. Neither party shall be liable for delays or failure to perform obligations due to circumstances beyond reasonable control, including but not limited to: natural disasters, pandemics, government actions, war, cyberattacks, internet infrastructure failures, or third-party service outages. The affected party must notify the other party within 48 hours of the force majeure event.

4.8 Termination. Either party may terminate the agreement with 30 calendar days' written notice. Upon termination, the client is liable for payment of all completed and approved milestones. QuantumHelixSystems will deliver all completed work products and cooperate in good faith with any transition to alternative service providers. Non-payment constitutes grounds for immediate termination without notice period.

4.9 Governing Law and Jurisdiction. This agreement is governed by the laws of the Kingdom of Spain. Any disputes arising from or relating to this agreement shall be submitted to the exclusive jurisdiction of the courts of Madrid, Spain. Before initiating formal legal proceedings, parties agree to attempt resolution through good-faith negotiation for a period of 30 calendar days.