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How EY uses GitHub Copilot

2,000

“EY has now rolled out GitHub Copilot to all its 2,000 developers.”

As published on github.com, February 2024. Checked by usedby on Oct 12, 2026.

What happened

EY rolled out GitHub Copilot to all of its developers after a pilot, using the AI pair programmer in daily development workflows, including to generate code and help with tasks like writing unit tests. It also migrated repositories from Azure DevOps to GitHub Enterprise.

Summary written by usedby from the source page, in English. The figures are those of GitHub Copilot and EY, not ours.

  • 1.2 million“Within a matter of weeks, those developers had already committed 1.2 million lines of code generated by the AI pair programmer.”
  • 150“EY began using GitHub Copilot with a pilot program of around 150 developers.”

EY began using GitHub Copilot with a pilot program of around 150 developers. Within a matter of weeks, those developers had already committed 1.2 million lines of code generated by the AI pair programmer.

From the page. github.com

GitHub Copilot is turbocharging developer workflows.

Mark Luquire, director and global head of platform adoption, EY. Source

What the story claims, and what we checked

What we compared with the page.

  • The figure: 2,000CheckedPrinted word for word on the page, near the name of EY.
  • The passage quoted aboveCheckedCopied word for word from the page, near the name of EY.
  • The publication dateCheckedRead from the page’s own metadata, never guessed.
  • EY uses GitHub CopilotCheckedConfirmed line.
  • The result itselfNot checkedWe quote it; we did not measure it.

Same company, same tool or same industry.

90%“That peer-led rollout helped ASOS reach over 90% Copilot adoption across the engineering team within months.”ASOS uses GitHub Copilot. Another customer of GitHub Copilot8,000 developers“over 8,000 developers began using GitHub Copilot across more than 55 languages”General Motors uses GitHub Copilot. Another customer of GitHub Copilot9-10 hours“engineers are getting 9-10 hours of extra output per week”AstraZeneca uses GitHub Copilot. Another customer of GitHub Copilot