Dataviz turns data into decisions and products

Visible Data helps teams communicate data clearly, accessibly and on-brand. We run dataviz workshops and accessibility reviews today.

We're building Pier, an accessible data communication coach.

Four data visualisation idents arranged in a 2×2 grid, each with a distinct colour palette and abstract chart motif

Global accessibility legislation is coming for your data

1 in 6 people can't use your charts. Automated solutions can't fix that.

1.3 billion people, 16% of the world, live with a significant disability. Source: World Health Organization, 2022.

UK public sector

Public Sector Bodies Accessibility Regulations (2018)

Websites, apps and documents published by public bodies must meet WCAG 2.2 AA, and that includes the charts inside them.

EU private sector

European Accessibility Act (2025)

Applies to new digital products and services sold in the EU, including e-commerce, banking and the data experiences inside them.

The automation trap

Tools find 30–40% of issues

Automated testing catches a minority of accessibility problems. Source: UK Government Digital Service. Accessible charts need human judgement, built in from the start.

What we're building

Pier is your accessible data communication coach

We're building Pier to coach people through every chart they make, so that accessibility and brand safety are designed in rather than bolted on.

  • Pier Engine

    A visualisation-first engine that will recommend charts and coach you in data storytelling.

  • Compass

    Accessibility governance built into every step of the data communication process.

  • Foundry

    Brand safety built in, through a dataviz design system studio.

85 charts across 35 fundamental chart types, already mapped in Pier's knowledge base.

  • Bar chart
  • Line chart
  • Beeswarm chart
  • Chord diagram
  • Bivariate choropleth map
  • Dumbbell chart
  • Heatmap
  • Alluvial diagram
  • Pictogram
  • Bump chart
Charlotte Hadley, smiling, with blue and purple hair

Built by Charlotte Hadley, Founder & CEO

[FOUNDER-LINE]

  • Working in dataviz since 2012, with 100+ organisations
  • Launched the University of Oxford's Interactive Data Network
  • LinkedIn Learning's most popular instructor for R
  • Former visiting lecturer
More about Charlotte and Visible Data