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Accessibility

Sigma is committed to making our site and our customers' sites inclusive and accessible. This page contains information and guidance to help visitors when using our site.

Access keys

Access keys have been included to assist disabled users with specific requirements when navigating their way through our site. All access keys are based on the UK Government access key standard.

Our access keys are as follows:

0 - Accessibility (this page)

1 - Home page

3 - Sitemap

8 - Terms of use

9 - Contact information

S - Skip navigation (goes to the main heading at the top of the page)

Ease of use

All pages on our site are valid to Extensible Hyper Text Mark-up Language (XHTML) 1.0 Strict and use Cascading Style Sheets level 2 (CSS2) to control the presentation and layout of content.

Our site also conforms to the W3C Web Accessibility Initiative (WAI) Double-A rating where XHTML is used.

To read more about any of this, please choose from one of the following links:

Unless otherwise stated, all links on our site will open in the same browser window.

Accessibility queries

If you have any difficulties using this site that you believe we could address, please get in touch. It would be helpful if you could let us know the following:

• The URL (web address) of the page that you are having difficulties with
• The nature of your disability or access requirement
• A brief description of the problem area

If you have a solution to suggest, we would be happy to hear from you.