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TetraLogical

@tetralogical.com
448 followers 179 following 182 posts

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

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TetraLogical @tetralogical.com · 21/09/2026
We use a lot of our own documentation, tools, and resources at TetraLogical, so we thought it was time to share them in our new Resources section on the site: tetralogical.com/resources/ This paves the way for an upcoming release for anyone tired of rebuilding the basics from scratch. Stay tuned!
A pink building Lego block with four circular studs on top. On the side of the block, there are coding symbols (a left angle bracket, a slash, and a right angle bracket) in orange and purple.
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TetraLogical @tetralogical.com · 25/06/2026
Reading isn’t easy for everyone. Millions have reading disabilities, yet everyone processes text differently. "Designing for people with reading disabilities" outlines ways to make digital content easier to read. tetralogical.com/blog/2026/06... #Accessibility #ContentDesign
Graphic promoting TetraLogical blog post, “Designing for people with reading disabilities”, featuring a headshot of Grace Snow.
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TetraLogical @tetralogical.com · 18/06/2026
TetraLogical Accessibility Unlocked newsletter title on a purple background
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TetraLogical @tetralogical.com · 05/06/2026
Creating an accessible document isn’t just about headings, alt text, and PDF tags. Catriona Morrison covers practical design considerations in our latest post in accessible document design. tetralogical.com/blog/2026/05... #Accessibility #InclusiveDesign #DigitalAccessibility #ContentDesign #WCAG
Cover image for an article titled “Designing accessible documents”. The TetraLogical logo appears at the top left on a purple background. A circular headshot of Catriona Morrison is shown near the bottom centre, with her name displayed underneath in white text. Decorative geometric shapes appear in the corners of the image.
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TetraLogical @tetralogical.com · 05/06/2026
Heading to @pixelpioneers.co in Bristol on Friday 19 June? Come and say hello to Catriona Morrison, @lloydi.com and @gracesnow.bsky.social. There's still a few tickets left: pixelpioneers.co/events/brist.... We’re proud to be partnering with @oliverlindberg.com and sponsoring captioning.
Promotional graphic for Pixel Pioneers Bristol 2026, taking place on 19 June 2026. The graphic features the conference branding, a Bristol-themed illustration with a suspension bridge and hot air balloons, and the tagline “An affordable community conference for front-end developers and UX/UI designers”. Along the bottom are headshots and names of three speakers: Candi Williams, Morgane Peng, and Rachel Andrew. The design uses a purple background with teal accents.
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TetraLogical @tetralogical.com · 15/04/2026
If you navigate web content using alternative input devices, such as switch controls or eye tracking, we'd love you to join our UX network: tetralogical.com/about/ux-net... It's a chance to help shape the accessibility of digital products and get paid for it. Sessions are run remotely over Zoom.
Doo you browse the web without a mouse or keyboard? Join TetraLogical's accessibility testing Network!
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TetraLogical @tetralogical.com · 09/04/2026
User research with people in difficult situations such as trauma, financial stress, or loss is not just about getting good data. It’s about making sure people feel safe, respected while researchers are supported. Ela Gorla shares some key considerations: tetralogical.com/blog/2026/04...
Inclusive user research: vulnerable people by Ela Gorla showing a black and white photo of her with straight long hair and a big smile set against a purple background with the TetraLogical logo on the top right corner
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TetraLogical @tetralogical.com · 08/04/2026
If you are sighted and navigate web content using keyboard alone, join our UX network: tetralogical.com/about/ux-net... You can help us test digital products and get paid for it. Sessions are run remotely over Zoom. Share this far and wide.
Are you sighted and navigate the web with a keyboard? Join our accessibility testing network!
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TetraLogical @tetralogical.com · 02/04/2026
Non-visual design anyone? Next in our "designing for people with disabilities" series we have designing for people who are blind, by Graeme Coleman tetralogical.com/blog/2026/04... If it doesn't work without sight, the design isn't right. #Accessibility #InclusiveDesign #SustainableAccessibility
Slide with a purple background and TetraLogical branding.Top left shows the TetraLogical logo. Large white title text reads: “Designing for people who are blind”. Bottom right features a circular black-and-white headshot of a man. Beneath it, white text reads: “By Graeme Coleman”. Decorative abstract shapes appear in the background.
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TetraLogical @tetralogical.com · 31/03/2026
If you have limited dexterity and would like to help us test digital products, join our UX network: tetralogical.com/about/ux-net... Sessions are run remotely over Zoom, you get paid for your participation and help us make products easier to use for everyone! Share this far and wide.
The text Is using a mouse difficult for you? Join our accessibility testing network together with a megaphone icon made up of an orange circle on the left where the sound enters, a muted purple cone for the body with a U-shaped handle on the bottom, and a bright pink oval on the right where the sound is amplified as it exits.
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TetraLogical @tetralogical.com · 25/03/2026
If you use speech recognition software and would like to help us test digital products, join our UX network: tetralogical.com/about/ux-net... Sessions are run remotely, you get paid for your participation, and can help us make products easier to use for everyone! Share this far and wide.
A yellow square with the text "Do you navigate websites or apps by voice? Join our accessibility testing network!" in big bold letters. 

There is the TetraLogical logo and a megaphone icon made up of an orange circle on the left where the sound enters, a muted purple cone for the body with a U-shaped handle on the bottom, and a bright pink oval on the right where the sound is amplified as it exits.
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TetraLogical @tetralogical.com · 24/03/2026
Designing for people with low vision isn’t about edge cases. It’s about making content clearer, usable, and more flexible for everyone. From spacing to zoom and reflow, small decisions have a big impact. @lloydi.com breaks down what matters: tetralogical.com/blog/2026/03...
A purple background with the title Designing for people with low vision by Ian 'Lloydi' Lloyd. A photo shows Lloydi in a flat cap and black rimmed glasses with a half smile looking at the camera. The TetraLogical logo appears top left, with subtle semicircle and tetrahedron watermarks in the top right and bottom left corners
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TetraLogical @tetralogical.com · 18/03/2026
If you're colour blind and would like to help test digital products, we'd love to invite you to join our UX network: tetralogical.com/about/ux-net... Sessions are remote, you get paid, and can help us make products easier to use for all! #Accessibility #UsabilityTesting
A yellow square with the text "Are you colour blind? Join our accessibility testing network" in big bold letters. There is the TetraLogical logo and a megaphone icon made up of an orange circle on the left where the sound enters, a muted purple cone for the body with a U-shaped handle on the bottom, and a bright pink oval on the right where the sound is amplified as it exits.
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TetraLogical @tetralogical.com · 17/03/2026
Meet Niamh Madden, our first Associate Accessibility Specialist who is taking TetraLogical by storm! She shares her tips and tricks for accessibility and add another pooch, Zena, to the TetraLogical team. Read all about it here: tetralogical.com/blog/2026/03... #Accessibility #MeetTheTeam
A photo of Niamh with long dark hair and glasses looking straight into the camera with a slight smile. Her photo is on a purple background with the TetraLogical logo in white and range semi circle on the top left and right of the photo. Underneath is the text, Meet the team: Niamh Madden
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TetraLogical @tetralogical.com · 06/02/2026
For a round up of our Accessible building blocks for the web videos, visit: tetralogical.com/blog/2026/02... The collection covers practical guidance for designing and building core web components that work for everyone. #Accessibility #InclusiveDesign #SustainableAccessibility
The TetraLogical logo and the text “Accessible building blocks for the web” on a purple background with a semicircle and tetrahedron watermark. A black and white photo of Ela smiling in sunlight appears alongside the text “By Ela Gorla”
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TetraLogical @tetralogical.com · 16/01/2026
Read our blog post series tackling common misconceptions about disability, screen readers, WCAG, testing, and implementing accessibility: tetralogical.com/blog/2026/01...
Common misconceptions about accessibilityA series of blog posts, by Ela Gorla and Felicity Miners-Jones
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TetraLogical @tetralogical.com · 07/01/2026
The latest post in our Common Misconceptions series covers testing accessibility. Accessibility Specialist Ela Gorla explains why testing needs to be continuous, collaborative, and grounded in real user needs. Read it on the TetraLogical blog: tetralogical.com/blog/2026/01...
The title “Common misconceptions about testing accessibility” is overlaid on a pink background with the TetraLogical logo. Ela Gorla’s headshot sits above her name in a small circle on the bottom right hand side
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TetraLogical @tetralogical.com · 05/01/2026
We're looking for a Project Manager to join our team on a fixed-term contract to cover maternity leave. This role is part-time with excellent benefits. Please read the full job description for more information: misc.tetralogical.com/careers/2026... The closing date is Sunday 11 January.
We're hiring
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TetraLogical @tetralogical.com · 03/12/2025
To mark the International Day of Persons with Disabilities, we’ve published a blog post: Common misconceptions about disability. Incorrect assumptions can have a real impact on the creation of products and services. tetralogical.com/blog/2025/12... #IDPWD #Accessibility #A11y
"Common misconceptions about disability" is displayed on a purple background with the TetraLogical logo. A headshot of Felicity Miners-Jones in a round bubble is in the bottom right-hand corner, above her name
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TetraLogical @tetralogical.com · 02/12/2025
Our Agile User Experience (UX) Testing service helps you make rapid, evidence-based improvements in a way that's designed to fit your agile way of working. Find out more: tetralogical.com/services/agile-user-experience-testing or email us for a chat at hello@tetralogical.com #AccessibleAgile
"The findings will have a direct impact on how we prioritise features and evolve our roadmap, and I’m confident they’ll lead to more inclusive, more empowering journeys and experience for all people." Giorgio Venturi, Head of Design, Transreport
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TetraLogical @tetralogical.com · 01/12/2025
Meet Grace Snow, an Accessibility Specialist at TetraLogical, bringing over 15 years of experience across design, development, and digital communications. Grace works on accessibility assessments, training and mentoring. tetralogical.com/blog/2025/12...
Grace stands on a sandy beach clad in a blue woolly hat and blue winter coat. She has pink sunglasses on, a huge ice cream in her hand and is beaming at the camera
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TetraLogical @tetralogical.com · 28/11/2025
Accessibility is most effective when it’s part of everything you do. Our Embedded Accessibility service provides practical support that builds capability and delivers lasting results. Find out more at tetralogical.com/services/embedded-accessibility or email hello@tetralogical.com
"TetraLogical have an incredibly deep and comprehensive knowledge of accessibility standards. The team made the whole process very simple and were always on hand to answer our questions. I can’t recommend Tetralogical enough and would work with them again in a heartbeat." Derek Johnson, Senior Manager of Online Platforms, Barnardo’s
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TetraLogical @tetralogical.com · 19/11/2025
Sustainable accessibility means building capability, not just fixing issues. Our Sustainable Accessibility service helps organisations embed accessibility into their strategy, culture and operations. Find out more at tetralogical.com/services/sustainable-accessibility or hello@tetralogical.com
"TetraLogical helped us create a sustainable ecosystem of internal experts and processes that make accessibility part of our DNA." David Tisserand, Accessibility Manager, Ubisoft
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TetraLogical @tetralogical.com · 11/11/2025
Accessibility works best when it is part of the design process, not added later. Our Design Review service helps teams create inclusive designs from the beginning. Find out how a Design Review can strengthen your approach at tetralogical.com/services/design-reviews or email hello@tetralogical.com.
"TetraLogical are the absolute experts in the field: there's no accessibility question they can't answer." Sarah Corney, Head of Digital Experience, The CIPD
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TetraLogical @tetralogical.com · 07/11/2025
Whether you’re beginning your accessibility journey or scaling across a large organisation, getting the strategic foundations right makes a difference. Henny Swan explores how leadership, accountability and governance turn good intentions into long-term change. tetralogical.com/blog/2025/11...
The title “Sustainable accessibility in complex organisations: strategic foundations” is displayed on a pink background with the TetraLogical logo in the top left-hand corner. Henny Swan’s smiling headshot is displayed in the bottom right-hand corner above her name
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TetraLogical @tetralogical.com · 03/11/2025
Whether you’re starting out or scaling accessibility efforts, our assessments help you focus where it matters and equip your team with the knowledge to make immediate change. Find out more and get in touch with any questions at: tetralogical.com/services/assessments or email hello@tetralogical.com
"TetraLogical helped us identify key areas for improvement and guided our teams in implementing best practices that have enhanced usability for everyone using our app." Simon Gowlett, Lead UX/UI Designer, UKTV
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TetraLogical @tetralogical.com · 15/10/2025
Many people still misunderstand screen readers — who uses them, how they work, and what inclusive design really means. Ela Gorla has unpacked the most common myths on the TetraLogical blog: tetralogical.com/blog/2025/10... #Accessibility #InclusiveDesign #ScreenReaders
The title “Common misconceptions about screen readers” is overlaid on a pink background with the TetraLogical logo. Ela Gorla’s headshot sits above her name in a small circle on the bottom right hand side
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TetraLogical @tetralogical.com · 01/10/2025
It's time to introduce you to another member of our team. Today we're meeting Ian Lloyd with a glimpse at his foray into music, his lovely family, and two faithful dogs. Read his bio and share his top accessibility tips at: tetralogical.com/blog/2025/10...
Lloydi pulling a silly face at a brightly-coloured rainbow lorikeet bird perched on his arm
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TetraLogical @tetralogical.com · 29/09/2025
Accessibility training that works with your project delivery, not against it Self-led courses to build confidence, consistency, and capability. Ideal for onboarding, upskilling, and scaling. tetralogical.com/services/tra... #SustainableAccessibility #AccessibilityTraining #DigitalStrategy
On the right-hand side of the image, the title reads “Accessibility training” in yellow font followed by “that works with delivery, not against it” in white font. 

The left-hand side has the TetraLogical logo in the top corner with the Knowledge icon below: two people, each made up of a circle for a head and a semicircle for a body. One is bright pink and the other bright purple, above them is a speech bubble with an orange spark of a shared idea inside
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TetraLogical @tetralogical.com · 25/09/2025
Sustainable accessibility starts with training that lasts Our self-led courses build lasting capability - helping teams consistently embed accessibility and reduce knowledge gaps. Find out more: tetralogical.com/services/tra... #SustainableAccessibility #AccessibilityTraining #DigitalStrategy
On the right hand side of the image, the title reads “Sustainable accessibility” in yellow font followed by “starts with training that’s designed to last” in white font. 

The left-hand side has the TetraLogical logo in the top corner with the Knowledge icon below: two people, each made up of a circle for a head and a semicircle for a body. One is bright pink and the other bright purple, above them is a speech bubble with an orange spark of a shared idea inside
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TetraLogical @tetralogical.com · 23/09/2025
Accessibility design annotations are only useful if everyone understands them. Our latest blog post by @craigabbott.co.uk explores how shared language can help different teams avoid accessibility issues. tetralogical.com/blog/2025/09... #Accessibility #InclusiveDesign #SustainableAccessibility
The title "Annotating designs using common language" appears over an orange background. A headshot sits in the bottom right-hand corner with Craig's face and "Craig Abbott" written below
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TetraLogical @tetralogical.com · 18/09/2025
We don't just have accessibility specialists at TetraLogical. We have classical pianists, hikers, wild swimmers and avid travellers. Oh no, actually that's just Catriona Morrison. Read all about her career, life, hobbies, and top accessibility tips at: tetralogical.com/blog/2025/09...
A vast landscape of rocky mountains sits underneath a blue, cloudy sky in New Zealand. Catriona stands in the foreground amid a sea of long grass, decked up in dark walking gear, holding a walking pole in either hand
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TetraLogical @tetralogical.com · 17/09/2025
Accessibility training that works with your project delivery, not against it Self-led courses to build confidence, consistency, and capability. Ideal for onboarding, upskilling, and scaling. tetralogical.com/services/tra... #SustainableAccessibility #AccessibilityTraining #DigitalStrategy
On the right-hand side of the image, the title reads “Accessibility training” in yellow font followed by “that works with delivery, not against it” in white font. 

The left-hand side has the TetraLogical logo in the top corner with the Knowledge icon below: two people, each made up of a circle for a head and a semicircle for a body. One is bright pink and the other bright purple, above them is a speech bubble with an orange spark of a shared idea inside
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TetraLogical @tetralogical.com · 10/09/2025
Sustainable accessibility starts with training that lasts Our self-led courses build lasting capability - helping teams consistently embed accessibility and reduce knowledge gaps. Find out more: tetralogical.com/services/tra... #SustainableAccessibility #AccessibilityTraining #DigitalStrategy
On the right-hand side of the image, the title reads “Sustainable accessibility” in yellow font followed by “starts with training that’s designed to last” in white font. 

The left-hand side has the TetraLogical logo in the top corner with the Knowledge icon below: two people, each made up of a circle for a head and a semicircle for a body. One is bright pink and the other bright purple, above them is a speech bubble with an orange spark of a shared idea inside
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TetraLogical @tetralogical.com · 09/09/2025
Why is inclusive language so important? In our new blog post, Senior Project Manager Felicity Miners-Jones explores the power of words and communication. Read on for advice, examples, and best practices: tetralogical.com/blog/2025/09... #InclusiveLanguage #Accessibility
The title "Championing inclusive language" is written in yellow on a purple background displaying the TetraLogical logo. Felicity's smiling headshot is in the bottom right-hand corner above her full name, "Felicity Miners-Jones
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TetraLogical @tetralogical.com · 05/09/2025
Accessibility training that works with your project delivery, not against it Self-led courses to build confidence, consistency, and capability. Ideal for onboarding, upskilling, and scaling. tetralogical.com/services/tra... #SustainableAccessibility #AccessibilityTraining #DigitalStrategy
On the right-hand side of the image, the title reads “Accessibility training” in yellow font followed by “that works with delivery, not against it” in white font. 

The left-hand side has the TetraLogical logo in the top corner with the Knowledge icon below: two people, each made up of a circle for a head and a semicircle for a body. One is bright pink and the other bright purple, above them is a speech bubble with an orange spark of a shared idea inside
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TetraLogical @tetralogical.com · 01/09/2025
In our latest blog post, Principal Accessibility Specialist Ela Gorla explains why making products accessible also makes them greener; from reducing energy use and cutting e-waste to the wider impact of supporting user preferences. Read more: tetralogical.com/blog/2025/09...
The title "Why inclusive products are green products" is written in white font over a pink background with the TetraLogical logo. Ela Gorla's headshot is in the bottom right hand corner showing her matching pink hair as she smiles at the camera
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TetraLogical @tetralogical.com · 22/08/2025
We’re delighted to welcome Niamh Madden to the TetraLogical team! Niamh is our first Associate Accessibility Specialist. She has a background in accessibility and front-end development, with experience in assessing products, advising on accessible solutions, and guiding technical implementation.
Niamh smiles gently in front of a plain white background. She has long brown hair, is wearing glasses, a black top, and a silver necklace with a small pendant
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TetraLogical @tetralogical.com · 19/08/2025
Inclusive hiring isn’t just good practice - it’s essential. Our latest blog post, written by Senior Project Manager Felicity Miners-Jones, shares steps for accessible recruitment. This keeps the process fair and shows a genuine commitment to inclusion: tetralogical.com/blog/2025/08...
The title "Accessible Recruitment" is written in large yellow font over a purple background with the TetraLogical logo. Felicity Miners-Jones is written in the bottom left corner above a headshot
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TetraLogical @tetralogical.com · 08/08/2025
Retail sites often fail blind shoppers. Could agentic AI fill the gap? Tools like Innosearch can find products, describe images, and add items to your basket. @tink.uk explores further: tetralogical.com/blog/2025/08... #Accessibility #AI #AgenticWeb #InclusiveDesign #UX #DigitalInclusion
An orange background with the TetraLogical logo and watermark with the title Accessibility and the agentic web. There is a headshot of Léonie in a black polo neck, purple hair in a bob, with a cup of tea in a saucer in front of her smiling
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TetraLogical @tetralogical.com · 05/08/2025
We're delighted to tell you all about Craig Abbott, TetraLogical’s Principal Accessibility Consultant and former Head of Accessibility at the UK's DWP. With over 15 years of experience, Craig brings human‑centred accessibility to life. tetralogical.com/blog/2025/08... #Accessibility #Inclusion
Craig, sporting short brown hair and a denim shirt holds up a large grey fluffy cat with yellow eyes. Sheldon, the cat, looks almost as big as Craig is and covers half of his face
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TetraLogical @tetralogical.com · 28/07/2025
New from the TetraLogical blog: Demelza Feltham shares an introduction to the many ways people interact with technology through assistive tech and adaptive strategies. tetralogical.com/blog/2025/07... #a11y #InclusiveDesign #AssistiveTech #Accessibility
The title "Foundations: types of assistive technology and adaptive strategies" is written on an orange background bearing TetraLogical's logo. Demelza Feltham is written in the bottom write along with a headshot of Demelza smiling in a patterened green jumper
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TetraLogical @tetralogical.com · 17/06/2025
We're thrilled to welcome Grace Snow to TetraLogical! Grace joins us as an Accessibility Specialist, bringing over 15 years' experience in design, development, and accessibility. She’s passionate about inclusion, mentoring, and making tech work for everyone.
A photo of Grace facing the camera with a big smile. Her brown hair is swept back and her head is cocked to the left
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TetraLogical @tetralogical.com · 03/06/2025
We’re delighted to welcome Catriona Morrison to the TetraLogical team as an Accessibility Specialist. Catriona brings experience in web and document accessibility, with a background spanning public sector audits, accessible publishing, and inclusive design. Great to have you on board, Catriona.
A photo of Catriona who has a shoulder length bob and a gentle smile. She is wearing a white polo neck as she looks directly into the camera
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TetraLogical @tetralogical.com · 28/05/2025
We're delighted to welcome Ian Lloyd to TetraLogical as a Principal Accessibility Specialist. Lloydi has a background in web development and is the author of a best-selling book for SitePoint. He creates custom solutions for complex challenges, drawing on two decades of experience.
A photo of Lloydi facing the camera, wearing a tan baseball cap, dark-rimmed glasses, and a plaid shirt, looking thoughtful and ready for some in-depth accessibility conversations
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TetraLogical @tetralogical.com · 23/05/2025
Inclusive user research is about more than asking questions; it’s about listening with care. In the latest post in our Inclusive user research series, Ela Gorla explores what it takes to build rapport with participants. Read it at: lnkd.in/eQqQ-MMB #SustainableAccessibility #InclusiveResearch
Inclusive user research: building rapport by Ela Gorla, showing a photo of Ela and icons for Seeing, Hearing, Moving, and Thinking
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TetraLogical @tetralogical.com · 15/05/2025
It’s Global Accessibility Awareness Day! Accessibility Unlocked is a free six day email series to help you build sustainable accessibility, suitable for any level of knowledge. It's full of practical steps and helpful resources. tetralogical.com/newsletters/... #GAAD #SustainableAccessibility
Accessibility Unlocked! A free six day newsletter series to put you on the path of sustainable accessibility. Next to the wording is the strategy icon: a zigzag route in muted purple with a bright pink location pin as a start point, a bright orange circle and a bright purple circle as mid-points on each corner, and a red bullseye with a white centre at the end
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TetraLogical @tetralogical.com · 04/04/2025
We have a new opportunity for people aged between 18 and 24 who have a disability, live in the UK, and like to fly or attend events. If you match this criteria and want to take part in a 45-minute call, please email: uxnetwork@tetralogical.com. You will receive an Amazon voucher for your time.
A purple screen with the TetraLogical logo overlaid has the title "Join our UX Network" in a bright yellow font
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TetraLogical @tetralogical.com · 25/03/2025
Can AI write good image descriptions that actually make sense in context? Principal Accessibility Consultant @craigabbott.bsky.social put generative AI to the test in our latest blog post. Read it in full at: tetralogical.com/blog/2025/03...
The title "Can generative AI write contextual text descriptions?" is displayed over an orange background with the TetraLogical logo. Craig Abbott's headshot is above his name in the bottom right corner
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TetraLogical @tetralogical.com · 19/03/2025
The European Accessibility Act (EAA), sets EU-wide standards to make digital products and services more accessible. With the compliance fast deadline approaching, read @tink.uk's blog post to learn more. tetralogical.com/blog/2025/03... #Accessibility #EAA #SustainableAccessibility
The title "Understanding the European Accessibility Act (EAA)" is displayed on an orange background with the TetraLogical logo. 

Léonie Waton's headshot and name sit bottom right.
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