1 in 6 people can't use default charts.
1.3 billion people live with a significant disability. World Health Organization, 2022.
Pier, by Visible Data
Build clear, accessible and brand-safe data insights and experiences to unlock the value of your data everywhere.
Pier
/ Staff survey report
Your data
staff_survey.csv
I want to show
Deviation · Magnitude · Relations
Pier recommends
Change in satisfaction, by department
Dumbbell chart BEST FIT
Shows the gap between 2019 and 2025 for each department.
Bump chart
Good if the order of departments matters more than scores.
Line chart
Eight lines may be hard to tell apart.
Compass checks
Perceivable
Operable
Understandable
Robust
Compromising
Assistive
Flexible
Foundry
Your brand palette, applied.
Pier is built on our own visualisation-first machine learning model for building, designing and assessing accessible data visualisation.



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1.3 billion people live with a significant disability. World Health Organization, 2022.
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Regulators, accessibility experts and lawyers agree that automated tools find at most 50% of issues.
They find only 30–40% of accessibility issues. UK Government Digital Service
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Pier is built with a visualisation-first approach to data communication, recommending chart selection, data storytelling and more.
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Pier guarantees your visualiations comply with brand guidelines and provides powerful tools for implementing your own dataviz design systems.
Early access
Join the early access list to be among the first teams using Pier to create clear, accessible and brand-safe data visualisations.
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DRAFT: replace with the extra information for this tile. Write in Markdown; cite every statistic.
DRAFT: replace with the extra information for this tile. Write in Markdown; cite every statistic.
DRAFT: replace with the extra information for this tile. Write in Markdown; cite every statistic.
DRAFT: replace with the extra information for this tile. Write in Markdown; cite every statistic.