Contact information

Thank you for choosing Martha Kleyn. We are dedicated to providing you with the best shopping experience and high-quality women's apparel. If you have any questions, concerns, or feedback, our dedicated support team is here to assist you.

Get in Touch

For order inquiries, product details, or assistance with returns and our 6-month warranty, please reach out via any of the channels below:

  • Email: info@marthakleyn.com

    (We aim to respond to all inquiries within 24 hours during business days)

  • Phone: +44 20 7946 3010

  • Business Hours: Monday to Friday, 9:00 AM – 6:00 PM (GMT)

Our Headquarters

You can find our registered business office at the heart of London’s fashion district:

Martha Kleyn 250 Oxford Street

London, W1D 1AN

United Kingdom

Corporate Details

In compliance with UK e-commerce regulations, please find our official business registration details below:

  • Trade Name: Martha Kleyn

  • VAT / Registration Number: 164 4507 81

  • Physical Address: 250 Oxford Street, London, W1D 1AN, United Kingdom

Frequently Asked Questions

  • Shipping: Standard delivery across the UK takes 3 to 6 business days.

  • Returns: We offer a 30-day return window for all unused items.

  • Warranty: All products are backed by our 6-month quality guarantee.

If you are contacting us regarding an existing order, please include your Order Number (e.g., #MK1234) in the subject line or have it ready when you call so we can assist you faster.