Contact

Contact us

Questions about the product, your account, billing or data protection — here is how to reach us.

Last updated: 11 July 2026 · OPS2.AI LTD, United Kingdom, Company No. 17081809, registered address 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom. Contact: nlsys.io@proton.me.

1. Email us

The fastest way to reach us is email: nlsys.io@proton.me. We reply within one business day. Use this address for product questions, account help, security reports and data-protection requests.

2. Billing, invoices and refunds

Payments are handled by Paddle.com, our merchant of record. Receipts, VAT invoices, card details, cancellations and refunds are managed from the billing portal linked in your Paddle receipt, or via Paddle at paddle.net. Our terms are on the Refund policy page.

3. Company details

nlsys.io is a product of OPS2.AI LTD, registered in England and Wales, Company No. 17081809, registered address 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom. Registered with the UK Information Commissioner's Office, reference ZC106468.

4. Privacy and security

How we handle data is described in our Privacy Policy; our security posture is on the Security page. To report a security concern, email nlsys.io@proton.me and we will respond promptly.