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Sigmavision takes a proactive approach to user privacy and ensure the necessary steps are taken to protect the privacy of its users throughout their visiting experience.

Any personal information provided by users is kept private and stored securely until a time it is no longer required or has no use, as detailed in the Data Protection Act 1998. Every effort has been made to ensure a safe and secure form to email submission process.

Sigmavision uses any information submitted to provide you with further information about the products they offer or to assist in answering any questions or queries you may have submitted. This includes using your details to subscribe you to an email program the website operates, but only if this was made clear to you when submitting any form to email process. Or whereby you have previously purchased from or enquired about purchasing from the company a product that the email communication relates to. Your details are not passed on to any third parties.


Email Marketing

Email marketing campaigns published by this website or its owners may contain tracking facilities within the actual email. Subscriber activity is tracked and stored in a database for future analysis and evaluation. Such tracked activity may include; the opening of emails, forwarding of emails, the clicking of links within the email content, times, dates and frequency of activity. This information is used to refine future email campaigns and supply the user with more relevant content based around their activity.

In compliance with UK Spam Laws and the Privacy and Electronic Communications Regulations 2003 subscribers are given the opportunity to un-subscribe at any time through an automated system. This process is detailed at the footer of each email campaign. If an automated un-subscription system is unavailable clear instructions on how to un-subscribe will by detailed instead.


External Links

Although this website only looks to include quality, safe and relevant external links, users are advised adopt a policy of caution before clicking any external web links mentioned throughout this website.

The owners of this website cannot guarantee or verify the contents of any externally linked website despite their best efforts. Users should therefore note they click on external links at their own risk and this website and its owners cannot be held liable for any damages or implications caused by visiting any external links mentioned.


Social Media Platforms

Communication, engagement and actions taken through external social media platforms that this website and its owners participate on are subject to the terms and conditions as well as the privacy policies held with each social media platform respectively.

Users are advised to use social media platforms wisely and communicate / engage upon them with due care and caution in regard to their own privacy and personal details. This website and its owners will never ask for personal or sensitive information through social media platforms and encourage users wishing to discuss sensitive details to contact them through primary communication channels such as by telephone or email.

This website uses social sharing buttons which help share web content directly from web pages to the social media platform in question. Users are advised before using such social sharing buttons that they do so at their own discretion and note that the social media platform may track and save your request to share a web page respectively through your social media platform account.


TreadManager and TreadReader App

This privacy policy has been compiled to better serve those who are concerned with how their ‘Personally Identifiable Information’ (PII) is being used in relation to our TreadManager service and TreadReader App. PII is information that can be used on its own or with other information to identify, contact, or locate a single person, or to identify an individual in context. Please read our privacy policy carefully to get a clear understanding of how we collect, use, protect, or otherwise handle your Personally Identifiable Information in relation TreadManager and the TreadReader App.

When the TreadReader App is used to scan vehicle tyres, the vehicle registration number and, optionally, images of the vehicle are captured and assigned to the scan data. This information is used solely to identify the vehicle from which the scans have been taken. The operator of the App then uses this data when providing information to the vehicle owner/operator, in relation to the condition of that vehicle’s tyres.

Sigmavision does not have access to data captured by the TreadReader App when used by third party operators. When data is captured by Sigmavision, when directly using the App, the vehicle data is used solely in relation to reporting the condition of the tyres. We do not sell, trade, or otherwise transfer to outside parties your Personally Identifiable Information.

The TreadManager Service is provided by Sigmavision to Tyre Distributors and Retailers to support tyre sales management. TreadManager receives data from the TreadReader App, including tyre tread depth and tyre wear pattern, together with the scanned vehicle’s registration number, in order for the data to be easily retrieved in relation to the particular vehicle.

Where TreadManager is integrated with a Distributor’s or Retailer’s eVHC, dealer management, or workshop system, the vehicle registration and tyre scan data may be combined with vehicle owner information. This occurs outside of the TreadManager system and responsibility for the security and protection of this combined data is passed to the Distributor and/or Retailer. Sigmavision is not responsible for the management of vehicle registration and tyre tread depth data when it is stored outside of the TreadReader App or TreadManager Service.

Through the management of TreadManager, Sigmavision receives all vehicle registration and tyre scan data uploaded via the TreadReader App and/or integrated management systems. Any analysis of the data is only carried out with the exclusion of vehicle registration details, and for the purposes of trend analysis or distributor/retailer activity analysis. All data is held securely on a dedicated server with the necessary data security protocols in place.

You can request details of any data held solely in relation to a vehicle registration and tyre measurement data for a vehicle for which you can prove ownership, and that the vehicle was scanned using one of our TreadReader devices, and providing the data was uploaded to our TreadManager service. You can request this data by submitting your registration number and contact details to

If there are any questions regarding this privacy policy, or you wish to withdraw consent, or request deletion of data captured by Sigmavision when using the TreadReader App, or the TreadManager service, you may contact us at the email address above.


Sigmavision Ltd
7 Landscape Close
Weston on the Green,
OX25 3SX

Last Edited on 2019-01-29


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