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Service agreement

Terms of service

Last updated April 2026

1. About these terms

These terms govern your use of the Glass Bookplatform (“Service”), operated by Hamr Ltd, a company registered in England and Wales (“we”, “us”, “our”).

By creating an account or using the Service, you agree to these terms. If you do not agree, please do not use the Service.

2. The Service

Glass Book provides online booking, payment processing, client management, and communication tools for salons and clinics. We act as a data processor on behalf of salon owners (data controllers) for client personal data.

3. Accounts and responsibilities

  • You must provide accurate information when creating an account
  • You are responsible for maintaining the security of your account credentials
  • You must not share your account with unauthorised individuals
  • Salon owners are responsible for their own compliance with applicable laws, including obtaining client consent for data processing

4. Payments and fees

Solo plan: £9/month — 1 team member, unlimited bookings.

Studio plan: £19/month — up to 5 team members, all Solo features plus SMS reminders, custom domain, win-back tools and priority support.

Salon plan: £39/month — unlimited team members, all Studio features plus multi-location, API access, phone support and priority onboarding.

If you choose to be billed annually instead of monthly, you receive two months free (equivalent to a discount of approximately 16.7% on the headline monthly price).

All prices exclude VAT. We do not charge per-booking fees or take a commission on your revenue. Payment processing fees charged by Stripe are separate and governed by Stripe’s terms.

You may cancel your subscription at any time and your account will continue until the end of the period you have already paid for. No refunds are provided for partial months.

4a. Client card-on-file payments (merchant-initiated transactions)

The Service allows salons to save a client’s card (“card on file”) at the time of booking via Stripe, and to charge that card later for no-show fees, late cancellation fees, or the balance of a treatment, in accordance with the salon’s published cancellation policy and the client’s explicit authorisation.

We facilitate this through Stripe’s “off-session” payments feature, which is PSD2 / Strong Customer Authentication compliant. Specifically:

  • The client’s card details are never stored on our servers. They are held by Stripe, a PCI-DSS Level 1 certified payment processor.
  • The client provides explicit written consentvia a tickbox at the time of booking, which we record against the booking for audit purposes.
  • The client may withdraw consent at any time by emailing the salon, which removes the card from file and prevents any future charges.
  • The salon is responsible for only making charges that are consistent with its own published cancellation and fee policy, and for communicating any such charge to the client before or at the time it is taken.
  • If Strong Customer Authentication is required for a particular charge, Stripe will prompt the client to authenticate before the charge can complete. The salon cannot bypass this.

Glass Book is not a party to the charge — the salon is the merchant of record via its own Stripe account, and the client is the payer. Glass Book provides the software that co-ordinates the authorisation and the charge.

5. Data processing

As between you (the salon owner) and us:

  • You are the data controller for your clients’ personal data
  • We are the data processor, acting on your instructions
  • Our processing activities are described in our Privacy Policy and Data Processing Agreement
  • You must ensure you have a lawful basis for processing your clients’ data

6. Acceptable use

You must not use Glass Book to:

  • Process data for purposes other than managing your salon or clinic
  • Store data that you do not have a lawful basis to process
  • Send unsolicited marketing communications without consent
  • Attempt to access other salons’ data
  • Reverse-engineer, decompile, or disassemble the Service
  • Use the Service in any way that violates applicable law

7. Intellectual property

The Glass Book platform, including its design, code, and branding, is owned by Hamr Ltd. You retain ownership of all data you upload to the Service. We do not claim any rights over your content.

8. Limitation of liability

To the maximum extent permitted by law:

  • The Service is provided “as is” without warranties of any kind
  • We are not liable for indirect, incidental, or consequential damages
  • Our total liability is limited to the fees you paid in the 12 months preceding the claim
  • Nothing in these terms limits liability for death, personal injury, or fraud

9. Termination

Either party may terminate the agreement at any time. Upon termination:

  • You may export your data within 30 days
  • After 30 days, we will delete your data (subject to legal retention requirements)
  • Financial records will be retained for 7 years per HMRC requirements

10. Governing law

These terms are governed by the laws of England and Wales. Any disputes will be subject to the exclusive jurisdiction of the courts of England and Wales.

11. Changes

We may update these terms from time to time. We will notify you of material changes via email at least 30 days before they take effect. Continued use after that date constitutes acceptance.

Glass Book is a trading name of Hamr Ltd, a company registered in England and Wales.

Hamr Ltd