Updated 28 October 2026
Privacy.
This policy explains how Graymark Technologies Ltd (Graymark, we, us) collects, uses, stores and shares personal information when you use graymark.tech or deal with us. We follow the Privacy Act 2020 and its information privacy principles.
Who we are
Graymark Technologies Ltd, 4 Fuji Court, Nelson 7011, New Zealand. For anything in this policy, contact our privacy officer at contact@graymark.tech.
What we collect
When you contact us or send us a stream: your name, email address, phone number, company and role, and the details you give us about your material, such as its location, quantities, analysis results, photos and safety data sheets.
When you visit the site: information about your device and how you use the site, such as pages viewed, the site you came from, your browser and an approximate location derived from your IP address. This is collected through cookies and similar technologies.
When you work with us: the information in quotes, agreements, invoices and job records, including the names and contact details of site contacts, and the custody and dispatch records we are required to keep for hazardous substances.
How we use it
To reply to you, prepare quotes, and characterise, treat and verify your material.
To run jobs safely and keep the records required under the Hazardous Substances and New Organisms Act 1996, transport and dangerous goods rules, and other law.
To understand how the site is used and to improve it, and to measure how our marketing performs.
To send you updates you have asked for. You can unsubscribe at any time.
We do not sell personal information.
Cookies and analytics
The site uses Google Analytics 4 through Google Tag Manager, the LinkedIn Insight Tag and Framer’s site analytics. These services may set cookies and process information outside New Zealand, including in the United States. You can block or delete cookies in your browser settings, and opt out of Google Analytics with Google’s browser add-on. The site will still work.
Who we share it with
Service providers that host and run our website, email, customer relationship and business systems.
Independent laboratories that test samples. Sample data is usually not personal, but may carry a site contact’s name.
Carriers and receiving sites, where dangerous goods and custody documentation must name a site contact.
Regulators and authorities where the law requires it, and our professional advisers under confidentiality.
Some of these providers store information outside New Zealand. When we send personal information overseas we take reasonable steps to make sure it is protected in a way that is comparable to the Privacy Act.
How we store and protect it
We keep personal information on secure systems with access limited to the people who need it. Job, custody and dispatch records are kept for as long as the law or our agreements require. Other information is kept only as long as we need it for the purposes above.
Your rights
You can ask for a copy of the personal information we hold about you, and ask us to correct it. Email contact@graymark.tech. We will respond within 20 working days.
If you are not happy with how we have handled your information, tell us first so we can put it right. You can also complain to the Office of the Privacy Commissioner at privacy.org.nz.
Changes to this policy
We may update this policy from time to time. The date at the top of the page shows when it last changed.