Hello, we’re TetraLogical

We're a company with inclusion at its heart. We specialise in all aspects of accessibility, from working with your websites and apps to giving your teams the skills they need to make accessibility part of everything they do.

We take the time to understand your organisation, your project, and your goals, so we can put together services that are tailored to suit you. Our accessibility services include:

TetraLogical is a member of the W3C where we contribute to standards including HTML, CSS, ARIA, and WCAG.

We're proud to work with organisations including the Scottish Government, Herbal Essences, Google, Babylon Health, Wiley Publishing, and Middlesex University.


Interact London virtual festival

Léonie Watson, Director at TetraLogical, will join Alastair Campbell of Nomensa and Richard Morton of Government Digital Service to talk about "Accessibility, from the trenches to the boardroom", to day at Interact London virtual festival.

Emanuela Gorla joins TetraLogical

Emanuela Gorla, formerly of Barclays, System Concepts, and Vision Australia, has joined TetraLogical as Accessibility Specialist.

Léonie and Ian are delighted to welcome Emanuela to our growing team.

Interaction media and their potential (for incorrect assumptions)

Patrick H. Lauke, Accessibility Specialist at TetraLogical, writes on CSS-Tricks about the Media Queries Level 4 interaction media features hover, pointer, any-hover, and any-pointer.

Read Interaction media features and their potential (for incorrect assumptions)

Contact us

We like to listen. If you have a project, product, problem, or idea that you want to discuss we can be found at hello@tetralogical.com