Legal

This page contains the legal documents governing use of the Fifty One Degrees website. Use the navigation to jump to a section.

Fifty One Degrees AI Limited is registered in England and Wales (company number 15624222), with its registered office at 167-169 Great Portland Street, 5th Floor, London W1W 5PF.

Questions? Email hello@51d.co.

Terms of Use

Last updated: 25 June 2026

These terms govern your use of the Fifty One Degrees website at www.51d.co (the “Site”). By using the Site you agree to them. If you do not agree, please stop using the Site.

These terms cover the marketing website only. They do not apply to client engagements, which are governed by separate contracts, or to the Fifty One Degrees product platform at app.51d.ai, which has its own terms.

Who we are

The Site is operated by Fifty One Degrees AI Limited, a company registered in England and Wales (company number 15624222), with its registered office at 167-169 Great Portland Street, 5th Floor, London W1W 5PF. You can contact us at hello@51d.co.

Using the Site

You may use the Site for your own informational purposes. You must not:

  • use the Site in any way that breaches applicable law or regulation
  • copy, reproduce, or redistribute Site content for commercial purposes without our written permission
  • use automated tools to scrape, index, or extract content from the Site at scale without our consent
  • attempt to gain unauthorised access to any part of the Site or its underlying systems
  • use the Site to transmit unsolicited communications or malicious code

Intellectual property

All content on the Site, including text, graphics, logos, and code, is owned by or licensed to Fifty One Degrees AI Limited and is protected by UK and international intellectual property laws. Nothing on the Site transfers any intellectual property rights to you.

You may share links to the Site and quote brief excerpts for commentary or journalism, provided you clearly attribute the source.

Not professional advice

The content on this Site, including blog posts, articles, frameworks, and case studies, is for general information only. It does not constitute professional advice on AI implementation, data strategy, technology procurement, legal matters, or any other subject. You should not rely on it as a substitute for advice specific to your circumstances from a qualified professional. Fifty One Degrees AI Limited accepts no liability for any action taken or not taken in reliance on content published on this Site.

Third party links

The Site may contain links to third party websites. Fifty One Degrees AI Limited is not responsible for the content, accuracy, or privacy practices of any third party site, and the inclusion of a link does not indicate endorsement.

Disclaimer of warranties

The Site is provided “as is.” To the fullest extent permitted by law, Fifty One Degrees AI Limited makes no warranties, express or implied, regarding the Site’s availability, accuracy, completeness, or fitness for any particular purpose. We do not warrant that the Site will be uninterrupted or free from errors.

Limitation of liability

To the fullest extent permitted by law, Fifty One Degrees AI Limited will not be liable for any indirect, consequential, incidental, or special loss arising from your use of, or inability to use, the Site (including loss of data, profits, revenue, business, or goodwill), whether in contract, tort (including negligence), breach of statutory duty, or otherwise. Our total liability to you in connection with the Site, to the extent not excluded by law, is limited to £100.

Nothing in these terms excludes or limits liability for death or personal injury caused by negligence, for fraud or fraudulent misrepresentation, or for any other liability that cannot legally be excluded or limited.

Changes to these terms

We may update these terms at any time. The current version will always be available at this page, with the date of the most recent update shown above. Continued use of the Site after any update constitutes your acceptance of the revised terms.

Governing law

These terms are governed by English law. Any dispute arising from or in connection with them is subject to the exclusive jurisdiction of the courts of England and Wales.


Privacy Policy

Last updated: 25 June 2026

This Privacy Policy explains how Fifty One Degrees AI Limited collects, uses, and protects personal information when you use this Site.

Fifty One Degrees AI Limited (referred to as “Fifty One Degrees,” “we,” “us,” or “our”) is registered in England and Wales (company number 15624222), with its registered office at 167-169 Great Portland Street, 5th Floor, London W1W 5PF. We are registered with the Information Commissioner’s Office under registration number C1482555.

We are the data controller in respect of personal information collected through this Site. If you have questions about this policy or how we handle your data, email hello@51d.co.

What information we collect

Information you give us directly:

  • Your name and email address when you complete the contact form or book a discovery call via Calendly
  • Any additional information you choose to include in the body of an enquiry

Information collected automatically:

  • Your IP address, browser type, device type, and operating system
  • Pages visited, time on Site, and referral source, collected via Google Analytics
  • Technical security data collected by Cloudflare, including IP address, for bot management and DDoS protection

How we use your information

PurposeLawful basis under UK GDPR
Responding to enquiries submitted via the contact formLegitimate interests: handling pre-contractual communications and responding to requests from prospective clients
Managing Calendly bookings and discovery callsSteps taken at your request prior to entering a contract
Understanding how visitors use the Site and improving itLegitimate interests in analysing Site performance (applied only where you have consented to analytics cookies under UK PECR)
Keeping the Site secure and preventing misuseLegitimate interests in maintaining the security of our systems
Sending marketing communications where you have opted inConsent

We do not use your personal data for automated decision-making or profiling.

Where we rely on legitimate interests, we have assessed that those interests are not overridden by your rights and interests, taking into account the limited nature of the data involved and the reasonable expectations of visitors to a professional services website.

Who we share your information with

We share personal data with the following processors only to the extent necessary to operate the Site:

ProviderPurposeTransfer safeguard
Google Analytics (Google LLC)Website analyticsEU-US Data Privacy Framework
Calendly LLCBooking managementEU-US Data Privacy Framework
Cloudflare Inc.CDN, security, performanceEU-US Data Privacy Framework and Standard Contractual Clauses
Vercel Inc.Website hostingStandard Contractual Clauses

We do not sell your personal data. We do not share it with third parties for their own marketing purposes.

We may disclose personal data where required by applicable law, court order, or regulatory request, and to protect the rights, property, or safety of Fifty One Degrees AI Limited, our clients, or others.

If Fifty One Degrees AI Limited is acquired by or merged with another company, personal data held by us may be transferred to the new owner as part of that transaction. We would notify you via this policy before any such transfer were to take effect.

How long we keep your information

Data categoryRetention period
Contact form enquiries2 years from receipt, or for the duration of any resulting engagement, whichever is longer
Calendly booking records1 year from the date of the call
Google Analytics data14 months (as configured in our GA4 account)
Security and server logs90 days

When data is no longer needed, we delete it securely or anonymise it.

Your rights

Under UK GDPR, you have the right to:

  • Access: request a copy of the personal data we hold about you
  • Rectification: ask us to correct inaccurate or incomplete data
  • Erasure: ask us to delete your data in certain circumstances
  • Restriction: ask us to restrict processing in certain circumstances
  • Objection: object to processing based on legitimate interests
  • Portability: receive your data in a structured, machine-readable format in certain circumstances
  • Withdraw consent: where processing is based on consent, withdraw it at any time without affecting the lawfulness of prior processing

To exercise any of these rights, email hello@51d.co. We will respond within one calendar month. In complex cases we may extend this by a further two months; if so, we will let you know.

You also have the right to lodge a complaint with the UK’s supervisory authority, the Information Commissioner’s Office (ICO), at ico.org.uk or by calling 0303 123 1113.

Cookies

We use cookies on this Site. For full details of which cookies we use, why, and how to manage your preferences, see the Cookie Policy below, or jump to Cookie Policy.

Security

We take appropriate technical and organisational measures to protect your personal data, including encrypted connections (HTTPS), access controls, and the use of reputable, contractually bound processors. No method of transmission over the internet is entirely secure. We cannot guarantee absolute security, but we will notify you and the ICO of any personal data breach as required by law.

Third party links

This Site contains links to third party websites. We are not responsible for the privacy practices of those sites. We recommend reviewing their privacy policies before sharing any personal information.

Changes to this policy

If we make material changes to this policy, we will update the date at the top of this section and, where appropriate, notify you directly. The current version will always be available at this page. We will not process your data in a materially different way without giving you appropriate notice and, where required by law, obtaining your consent.