Privacy policy
This privacy notice tells you what to expect us to do with your personal information.
Contact details
Email: contact@nat-gwilliams.co.uk
What information we collect, use, and why
We collect or use the following information to provide services and goods, including delivery:
- Names and contact details
- Addresses
- Purchase or account history
- Payment details (including card or bank information for transfers and direct debits)
- Account information
- Information relating to loyalty programmes
- Website user information (including user journeys and cookie tracking)
- Photographs or video recordings
- Information relating to compliments or complaints
- Pattern tester volunteer sizing and measurements and related information
We collect or use the following information for the operation of customer accounts and guarantees:
- Names and contact details
- Addresses
- Payment details (including card or bank information for transfers and direct debits)
- Purchase history
- Account information, including registration details
- Information used for security purposes
- Marketing preferences
We collect or use the following information for service updates or marketing purposes:
- Names and contact details
- Addresses
- Marketing preferences
- Purchase or viewing history
- IP addresses
- Website and app user journey information
- Records of consent, where appropriate
We collect or use the following information to comply with legal requirements:
- Name
- Contact information
- Financial transaction information
We collect or use the following personal information for dealing with queries, complaints or claims:
- Names and contact details
- Address
- Payment details
- Account information
- Purchase or service history
- Customer or client accounts and records
- Financial transaction information
- Correspondence
We may also use the Shopify ChatGPT MCP App to assist with the administration, analysis and management of our online store.
Where the Shopify ChatGPT MCP App is connected to our Shopify store, it may be able to access and, where permitted, modify information held in our Shopify store. The permissions granted to the app may include:
- Customer data, including names, email addresses, telephone numbers and physical addresses
- Customer device and activity information, including geolocation, IP addresses, browser and operating system information
- Store owner information, including name, email address, telephone number and physical address
- Blog contributor information, including email address, IP address, browser and operating system information
- Products, inventory and collections
- All past and future orders, including order history, fulfilments, shipping information, draft orders, returns and order edits
- Discount codes and promotions
- Marketing events
- Store analytics and reports
- Companies
- Cart and checkout validations
- Online Store and theme information, including checkout pages and Online Store pages
- Metaobjects and metaobject definitions
- Shopify admin files and legal policies
- Store locations, locales, Shopify Markets settings, Online Store navigation, price rules, translations and product publications on sales channels
The app may therefore process personal information relating to customers, store owners, contributors and other individuals whose information is held in the Shopify store. The specific information accessed or actions performed depend on the permissions granted to the app and how we use the connected service.
Lawful bases and data protection rights
Under UK data protection law, we must have a “lawful basis” for collecting and using your personal information. There is a list of possible lawful bases in the UK GDPR. You can find out more about lawful bases on the ICO’s website.
Which lawful basis we rely on may affect your data protection rights which are set out in brief below. You can find out more about your data protection rights and the exemptions which may apply on the ICO’s website:
- Your right of access - You have the right to ask us for copies of your personal information. You can request other information such as details about where we get personal information from and who we share personal information with. There are some exemptions which means you may not receive all the information you ask for. Read more about the right of access.
- Your right to rectification - You have the right to ask us to correct or delete personal information you think is inaccurate or incomplete. Read more about the right to rectification.
- Your right to erasure - You have the right to ask us to delete your personal information. Read more about the right to erasure.
- Your right to restriction of processing - You have the right to ask us to limit how we can use your personal information. Read more about the right to restriction of processing.
- Your right to object to processing - You have the right to object to the processing of your personal data. Read more about the right to object to processing.
- Your right to data portability - You have the right to ask that we transfer the personal information you gave us to another organisation, or to you. Read more about the right to data portability.
- Your right to withdraw consent – When we use consent as our lawful basis you have the right to withdraw your consent at any time. Read more about the right to withdraw consent
If you make a request, we must respond to you without undue delay and in any event within one month.
To make a data protection rights request, please contact us using the contact details at the top of this privacy notice.
Our lawful bases for the collection and use of your data
Our lawful bases for collecting or using personal information to provide services and goods are:
- Contract – we have to collect or use the information so we can enter into or carry out a contract with you. All of your data protection rights may apply except the right to object.
- Legitimate interests – we’re collecting or using your information because it benefits you, our organisation or someone else, without causing an undue risk of harm to anyone. All of your data protection rights may apply, except the right to portability. Our legitimate interests are:
I process personal information such as names, addresses, account details, purchase history, and payment details to fulfil orders, deliver products, manage digital licences, and ensure customers receive the correct products. This helps prevent errors such as selling exclusive licences twice and allows us to provide a reliable service. The benefits to customers of accurate and timely delivery outweigh any privacy impact.
For more information on our use of legitimate interests as a lawful basis you can contact us using the contact details set out above.
Our lawful bases for collecting or using personal information for the operation of customer accounts are:
- Contract – we have to collect or use the information so we can enter into or carry out a contract with you. All of your data protection rights may apply except the right to object.
- Legitimate interests – we’re collecting or using your information because it benefits you, our organisation or someone else, without causing an undue risk of harm to anyone. All of your data protection rights may apply, except the right to portability. Our legitimate interests are:
I process account information, purchase history, and contact details to maintain customer accounts and manage active licences. This allows me to provide accurate records, prevent errors such as selling exclusive licences to multiple customers, and provide a reliable service. The benefits of having correct account information outweigh any privacy impact.
For more information on our use of legitimate interests as a lawful basis you can contact us using the contact details set out above.
Our lawful bases for collecting or using personal information for service updates or marketing purposes are:
- Consent - we have permission from you after we gave you all the relevant information. All of your data protection rights may apply, except the right to object. To be clear, you do have the right to withdraw your consent at any time.
- Legitimate interests – we’re collecting or using your information because it benefits you, our organisation or someone else, without causing an undue risk of harm to anyone. All of your data protection rights may apply, except the right to portability. Our legitimate interests are:
I use anonymised analytics, website and app usage information to understand customer preferences, improve our website, and optimise the user experience. This helps us offer better services and relevant products. I use aggregated or non-identifiable data where possible, so the benefits of improving our service outweigh any minimal impact on individual privacy.
For more information on our use of legitimate interests as a lawful basis you can contact us using the contact details set out above.
Our lawful bases for collecting or using personal information for legal requirements are:
Legal obligation – we have to collect or use your information so we can comply with the law. All of your data protection rights may apply, except the right to erasure, the right to object and the right to data portability.
Our lawful bases for collecting or using personal information for dealing with queries, complaints or claims are:
- Contract – we have to collect or use the information so we can enter into or carry out a contract with you. All of your data protection rights may apply except the right to object.
- Legitimate interests – we’re collecting or using your information because it benefits you, our organisation or someone else, without causing an undue risk of harm to anyone. All of your data protection rights may apply, except the right to portability. Our legitimate interests are:
I process personal information such as names, contact details, account history, purchase history, and photographs provided for complaints or returns to resolve issues quickly and fairly. This ensures customers can exercise their rights and receive appropriate support. The benefits of resolving queries effectively outweigh any impact on personal privacy.
For more information on our use of legitimate interests as a lawful basis you can contact us using the contact details set out above.
Our lawful basis for using the Shopify ChatGPT MCP App is legitimate interests. Our legitimate interest is the efficient administration and management of our online store. We have considered the necessity and proportionality of this processing and the potential impact on individuals' rights and freedoms. We use the connection for authorised store administration, analysis and management and take appropriate measures to limit access to personal information and maintain appropriate security and access controls.
For more information on our use of legitimate interests as a lawful basis you can contact us using the contact details set out above.
Where we get personal information from
- Directly from you
- Publicly available sources, including social media platforms (e.g., Pinterest, Instagram, Facebook, LinkedIn, YouTube) – for example, when identifying potential pattern testers or collaborators.
- Suppliers and service providers
- Third parties:
- I may share personal information with trusted third-party service providers who process data on my behalf. These include:
- Shopify (eCommerce platform)
- Vitals (website tools and analytics)
- Google (Analytics and advertising services)
- Payment processors such as Stripe or PayPal
- Web hosting providers
- Email marketing providers such as Shopify Messaging
- OpenAI / ChatGPT and the Shopify ChatGPT MCP App (AI services and Shopify integration)
These third parties only use personal information to provide services to me and are required to keep it secure.
Where the Shopify ChatGPT MCP App is connected to our Shopify store, information held in Shopify may be made available to ChatGPT through the authorised connection. This may include personal information such as customer names, email addresses, telephone numbers, physical addresses, IP addresses, geolocation and device information, as well as information contained in customer accounts, orders and other Shopify records.
Depending on the permissions granted, the connection may also allow ChatGPT to perform actions affecting Shopify data, including editing customers, products, inventory, orders, discounts, marketing information, Online Store content and other store settings.
We use this connection for authorised store administration, analysis and management. Access and actions are controlled by the permissions granted to the connected app and can be removed through Shopify administration settings.
How long we keep information
We hold certain information for a set period before it is deleted:
- Customer orders & payment information: kept for 7 years for accounting and tax purposes, and to prevent selling exclusive licences to multiple customers.
- Marketing consent & communications (including pattern testers): retained until consent is withdrawn.
- Website analytics: collected to understand usage and improve our service. Aggregated data or analytics are retained for up to 12 months to reduce identifiability. Analytics linked to customer accounts (e.g., for marketing segments or licence management) are retained for the same period as the customer record (up to 7 years).
For more information on how long we store your personal information or the criteria we use to determine this please contact us using the details provided above.
Information accessed through the Shopify ChatGPT MCP App: We continue to retain customer and store records in Shopify and our other systems according to the retention periods set out in this privacy notice. Where personal information is accessed by ChatGPT through the connected app, it may be processed and retained by OpenAI in accordance with OpenAI's applicable terms, privacy policy, data controls and retention arrangements. Information included in ChatGPT conversations is subject to the retention settings applicable to the ChatGPT account.
Who we share information with
Data processors
Shopify (eCommerce platform)
This data processor does the following activities for us: Stores customer account data, order history, and digital licence information; provides the online shop infrastructure.
OpenAI / Shopify ChatGPT MCP App (AI services and Shopify integration)
Where connected to our Shopify store, the Shopify ChatGPT MCP App provides ChatGPT with access to information and actions within our Shopify store according to the permissions granted to the connection. This may include customer, staff and contributor information; products, inventory and collections; orders and fulfilments; returns and draft orders; discounts and marketing information; analytics; Online Store and theme information; Shopify admin files and legal policies; and other Shopify store data and settings.
Depending on the permissions granted, the connection may also allow ChatGPT to make changes to Shopify data and store settings. We use the connection for authorised store administration, analysis and management.
Vitals (Website tools & analytics)
This data processor does the following activities for us: Provides website enhancements, analytics, and conversion tracking to improve site performance.
Google (Analytics & advertising services)
Tracks website and app usage for analytics and targeted marketing; provides reporting and audience insights.
Provides a social media platform and marketing tools; may be used to track engagement, manage advertising campaigns, and share content where consent has been given.
Provides a social media platform and marketing tools; may be used to track engagement, manage advertising campaigns, and share content where consent has been given.
Meta (Facebook & Instagram)
Provides social media platforms and marketing tools; may be used to track engagement, manage advertising campaigns, and share content where consent has been given.
Stripe via Shopify Payments (Payment processor)
Processes customer payments securely for products and licences.
Paypal (Payment processor)
Processes customer payments securely for products and licences.
Shopify Messaging (Email marketing provider)
Sends marketing emails to customers and manages consent records for email communications.
Web hosting provider (Hosting & IT services)
Hosts this website and stores associated website data securely.
Others we share personal information with
- Organisations we’re legally obliged to share personal information with
- Suppliers and service providers
- We may share customer content, such as project photos or pattern test results, on our social media accounts (Pinterest, Instagram, Facebook, LinkedIn, YouTube) only with explicit consent.
- Other relevant third parties: Voluntary Pattern Testers, to manage the testing programme, provide patterns, and collect feedback.
Sharing information outside the UK
Where necessary, our data processors may share personal information outside of the UK. When doing so, they comply with the UK GDPR, making sure appropriate safeguards are in place.
For further information or to obtain a copy of the appropriate safeguard for any of the transfers below, please contact us using the contact information provided above.
Organisation name: Shopify (including Shopify Payments & Shopify Email)
Category of recipient: eCommerce platform & email marketing
Country the personal information is sent to: Canada
How the transfer complies with UK data protection law: The country or sector has been assessed as providing adequate protection to data subjects (also known as Adequacy Regulations or UK data bridge)
Organisation name: Vitals
Category of recipient: Website tools & analytics
Country the personal information is sent to: Canada
How the transfer complies with UK data protection law: The country or sector has been assessed as providing adequate protection to data subjects (also known as Adequacy Regulations or UK data bridge)
Organisation name: Google
Category of recipient: Analytics & advertising services
Country the personal information is sent to: USA
How the transfer complies with UK data protection law: Addendum to the EU Standard Contractual Clauses (SCCs)
Organisation name: Meta (Instagram & Facebook)
Category of recipient: Social media platform, advertising & Shopify integration
Country the personal information is sent to: USA
How the transfer complies with UK data protection law: Addendum to the EU Standard Contractual Clauses (SCCs)
Organisation name: Pinterest
Category of recipient: Social media platform, advertising & Shopify integration
Country the personal information is sent to: USA
How the transfer complies with UK data protection law: Addendum to the EU Standard Contractual Clauses (SCCs)
Organisation name: Stripe
Category of recipient: Payment processor
Country the personal information is sent to: Ireland / USA
How the transfer complies with UK data protection law: Addendum to the EU Standard Contractual Clauses (SCCs)
Organisation name: PayPal
Category of recipient: Payment processor
Country the personal information is sent to: Ireland / USA
How the transfer complies with UK data protection law: Addendum to the EU Standard Contractual Clauses (SCCs)
Organisation name: OpenAI / Shopify ChatGPT MCP App
Category of recipient: AI services and Shopify integration
Country the personal information is sent to: United States and other countries or territories where OpenAI, its affiliates, partners, vendors or service providers operate.
How the transfer complies with UK data protection law: Where a restricted transfer is made, appropriate safeguards or another lawful transfer mechanism will be used in accordance with UK data protection law.
Category of recipient: Payment processor
Country the personal information is sent to: Ireland / USA
How the transfer complies with UK data protection law: Addendum to the EU Standard Contractual Clauses (SCCs)
How to complain
If you have any concerns about our use of your personal data, you can make a complaint to us using the contact details at the top of this privacy notice.
If you remain unhappy with how we’ve used your data after raising a complaint with us, you can also complain to the ICO.
The ICO’s address:
Information Commissioner’s Office
Wycliffe House
Water Lane
Wilmslow
Cheshire
SK9 5AF
Helpline number: 0303 123 1113
Website: https://www.ico.org.uk/make-a-complaint
Last updated 25/08/2026