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Permutive (YC S14) — Rebuilding data in advertising to protect privacy

As third-party identifiers like the cookie disappear, ad-tech breaks—targeting, frequency capping and measurement disappear. We're rebuilding data infrastructure in advertising to work with cohorts—privacy safe descriptions of users—which enable advertising use cases without the need for sharing personal identifiers.

Permutive is a Y Combinator company in the Summer 2014 batch. Its directory entry describes it as: Rebuilding data in advertising to protect privacy. The founders listed are Joe Root (Founder), Tim Spratt (Founder) (Y Combinator directory entry, May 1, 2014).

6 more companies from YC Summer 2014 ↓

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Permutive

New accelerator entry · 2014-05-01 · the record

Summer 2014
batch
205
people
Growth
stage
United Kingdom
region
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What the record says

BatchSummer 2014
Announced2014-05-01
StageGrowth
StatusActive
Team size205
IndustryB2B
Sub-industryB2B -> Marketing
SectorsPrivacy, Advertising
RegionsUnited Kingdom, Europe
BasedLondon, England, United Kingdom
HiringNo
Sitehttps://permutive.com

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Also in YC Summer 2014

Same batch, B2B first.

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Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News

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In their words

As third-party identifiers like the cookie disappear, ad-tech breaks—targeting, frequency capping and measurement disappear. We're rebuilding data infrastructure in advertising to work with cohorts—privacy safe descriptions of users—which enable advertising use cases without the need for sharing personal identifiers. We do this by moving data processing and management out of the cloud, and on to the user's device.

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Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News

A Full Report on Permutive: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Permutive covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

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Sourced from the company's Y Combinator directory entry.

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Permutive: Accepted into Y Combinator Summer 2014
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Permanent URL: https://mentionfox.com/funding/yc-permutive
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Permutive (YC S14) — Rebuilding data in advertising to protect privacy. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-permutive