Legal · Imprint Effective 30 May 2026
Document · v1.0

Imprint & company info.

Who runs Nox Æterna, where we are registered, how to reach us in writing, and the statutory details required by UK and US law.

§1 · The entities

Two companies. One product.

Nox Æterna operates through two affiliated entities. The UK company contracts with customers in the United Kingdom and the European Economic Area. The US company contracts with customers in the United States. Both share the same operations team, the same code, and the same standards.

United Kingdom

Nox Æterna Ltd.

Companies House
15782041
Registered office
71–75 Shelton Street
Covent Garden
London WC2H 9JQ
United Kingdom
VAT
GB 432 1987 65
ICO registration
ZA871402
Trading name
Nox Æterna

United States

Nox Æterna Inc.

State of incorporation
Delaware (C-Corporation)
Registered agent
Corporation Service Company
251 Little Falls Drive
Wilmington, DE 19808
EIN
99-1234567
DUNS
118-940-228
Trading name
Nox Æterna
§2 · Directors and officers

Directors & officers.

The companies are governed by a small board. The same individuals serve both entities; this is deliberate and disclosed for the avoidance of doubt.

  • Anton OttenbreitFounder · Director (UK) · CEO (US)
  • Eleanor MarshDirector (UK) · COO (US)
  • Bramwell & Co. (Secretarial) Ltd.Company secretary (UK)

Full statutory information for the UK company, including the register of persons with significant control, is available on the public Companies House register and is updated within statutory deadlines.

§3 · Statutory designations

Statutory designations.

The following appointments are made under the UK Data Protection Act 2018 and the UK GDPR, and under equivalent US state and federal law:

  • Data Protection Officer. Eleanor Marsh, contactable at dpo@noxaeterna.com.
  • UK GDPR representative (for non-UK controllers). Not applicable — the UK entity is itself UK-established.
  • EU GDPR Article 27 representative. DataRep, Castle Treasures, Castle Street, Dublin 2, D02 EH96, Ireland (acting on our behalf for EEA data subjects).
  • Designated agent under 17 U.S.C. § 512 (DMCA). The General Counsel, c/o the registered agent above. Notices may also be sent to legal@noxaeterna.com.
  • CCPA-designated contact. privacy@noxaeterna.com.
§4 · Intellectual property

Intellectual property.

“Nox Æterna”, the NÆ monogram, the “One payment. Your data, gone.” tagline, the “Sanctum” design system and the layout of this website are trademarks and protected works of Nox Æterna Ltd., used by Nox Æterna Inc. under licence. A UK trademark application is on file with the Intellectual Property Office under application number UK00004189362. A corresponding USPTO application is on file under serial number 98-471-203.

You are welcome to link to this site without prior permission. You are not welcome to scrape it, frame it, or reproduce the design system in derivative commercial work.

§5 · Contact

How to reach us.

For routine customer queries, the fastest channel is email. We do not operate a telephone hotline by design — we keep the team small and the responses written and dated. Postal mail is welcome and is read every Tuesday and Friday.

General enquiries
Data subject requests
Press & media
Legal notices
Security disclosure
Companies House documents
Filed publicly, no email needed.

If your enquiry is genuinely urgent — for example, you are seeking emergency removal of content that places a person in physical danger — mark the subject line URGENT · SAFETY and we will route it to a duty officer within four hours.

§6 · Online dispute resolution

Online dispute resolution.

Pursuant to Article 14(1) of Regulation (EU) 524/2013, the European Commission operates an online dispute resolution platform reachable at ec.europa.eu/consumers/odr. We are not currently obliged or willing to participate in dispute resolution proceedings before a consumer arbitration board outside the routes set out in our Terms of Service §12.

§7 · Disclaimer

Editorial disclaimer.

The content on this site is published in good faith and is intended to describe the Service. It is not legal advice. Information that depends on third-party systems (for example, the Broker active list) can change without notice; for current detail, consult the relevant product page or write to us. Liability arising from material on this site is governed by §8 of our Terms of Service.

Version 1.0 · Published 30 May 2026 ← Terms of service
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