About C11S
Privacy Policy
Last updated: April 2026
1. Who We Are This Privacy Policy applies to CSS Associates, trading as C11S, an AI-powered marketing agency based in Mumbai, India. Our website is located at c11s.io. If you have any questions about this policy, you can contact us at hello@c11s.io.
2. What Information We Collect When you submit an enquiry through our contact form, we collect your full name, work email address, phone number, company name, and industry. We collect this information solely for the purpose of responding to your enquiry and determining whether C11S is a good fit for your business.
3. How We Use Your Information We use the information you provide to respond to your enquiry, schedule a strategy call or audit via Calendly, and assess whether your business fits one of our three service verticals. We do not use your information for unsolicited marketing, and we do not send newsletters or promotional emails without your explicit consent.
4. Calendly Our website uses Calendly to allow visitors to book strategy calls directly. When you book a call through Calendly, your scheduling information is processed by Calendly Inc. in accordance with their own Privacy Policy, which can be found at calendly.com/privacy. We receive your name, email address, and chosen time slot from Calendly to facilitate the call.
5. Cookies and Tracking Our website does not use cookies for advertising or tracking purposes. We do not use Google Analytics, Meta Pixel, or any similar tracking technology on our website at this time.
6. How We Store Your Information Your information is stored securely and accessed only by authorised members of the C11S team. We do not store your personal information longer than is necessary to fulfil the purpose for which it was collected.
7. Sharing Your Information We do not sell, rent, or share your personal information with any third parties except as required to respond to your enquiry — for example, scheduling a call through Calendly. We do not share your information with advertisers or data brokers under any circumstances.
8. Your Rights Depending on your location, you may have the right to access the personal information we hold about you, request correction of any inaccurate information, request deletion of your personal information, or withdraw your consent at any time. To exercise any of these rights, please contact us at hello@c11s.io and we will respond within 30 days.
9. International Visitors C11S is based in Mumbai, India. If you are accessing our website from outside India — including from the European Union, United Kingdom, or United States — please be aware that your information may be transferred to and processed in India. By submitting your information through our contact form, you consent to this transfer.
10. Changes to This Policy We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. Any updates will be posted on this page with a revised date at the top. We encourage you to review this page periodically.
11. Contact Us If you have any questions, concerns, or requests regarding this Privacy Policy, please contact us at: CSS Associates (C11S) Mumbai, India hello@c11s.io