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COLD START / catalog / c/diabrowserretrieved 2026-06-21T21:54 UTC · 8 sources read

The Browser Company (Dia Browser)

Dia is an AI-native browser designed to help knowledge workers do their best work.

diabrowser.com

CALL NO.CS·DIABROWSER·26
StageAcquisitionSeptember 2025 · led by Atlassian[1]
Raisednot publicly disclosedno source in ledger
Headcountnot publicly disclosedno source in ledger
Valuationnot publicly disclosedno source in ledger
Foundednot publicly disclosedno source in ledger
Money

Acquisition closed September 2025, led by Atlassian.[1]

post-money valuation and the full investor list are not publicly disclosed.

People

Josh Miller, CEO[1]

Signals
Sep 4 2025fundingAtlassian acquires The Browser Company and its Dia browser for $610M[1]

One signal on file. A signal needs a date and a source.

Comps

Perplexity Comet · perplexity.ai · Competes in the same emerging category of AI-native browsers for knowledge work.[1]

Chrome · google.com/chrome · Incumbent browser that Dia aims to displace for knowledge workers.[1]

Arc Browser · arc.net · may be related to the company · Same company, predecessor product to Dia. Arc was The Browser Company's first browser before they pivoted to Dia.[1]

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Sourcestracings · 8

Jun 2026 · diabrowser.com

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Jun 2026 · diabrowser.com

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Jun 2026 · diabrowser.com

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Jun 2026 · quasa.io

reported

Jun 2026 · diabrowser.com

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Jun 2026 · diabrowser.com

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Jun 2026 · diabrowser.com

company

The Browser Company (Dia Browser)

CALL NO.CS·DIABROWSER·26

Dia is an AI-native browser designed to help knowledge workers do their best work.

diabrowser.com

StageAcquisition
Raisednot publicly disclosed
Headcountnot publicly disclosed
Valuationnot publicly disclosed
Foundednot publicly disclosed
CompsPerplexity Comet +2