General enquiries
For questions about the product, membership, onboarding, or anything not covered by a specific address below, email hello@costartups.app. We aim to respond within two business days.
By topic
- Press and media: press@costartups.app
Interview requests, fact-checking, partnership announcements, and logo or asset requests. Include your outlet and deadline. Response within two business days.
- Careers: careers@costartups.app
Expressions of interest, speculative applications, and questions about working at CoStartups. Include links to your work and what you would want to build.
- Legal and terms: legal@costartups.app
Questions about our terms of service, content removal requests, intellectual property notices, and contract or commercial enquiries.
- Privacy and data: privacy@costartups.app
Data subject access requests, deletion requests, consent withdrawal, and questions about how we handle your personal data under UK GDPR. We respond to DSAR requests within 30 days as required by law.
- Security: security@costartups.app
Responsible disclosure of security vulnerabilities. Please include a clear description of the issue, steps to reproduce, and any relevant evidence. We do not operate a formal bug bounty programme but we take every report seriously.
Registered office
Northbrik Systems LTD
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
England and Wales
Companies House registration 17184680
This is a registered address for legal correspondence. For product and support enquiries, please use the email addresses above rather than writing to the registered office.
Send a message
Use the form below and we will open your email client with your message addressed to hello@costartups.app. If you prefer, you can email that address directly.