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COLD START / catalog / c/sunbeamretrieved 2026-10-16T15:21 UTC · 22 sources read

sunbeam

sunbeam is an autonomous SEO agent that runs strategy, content, and technical SEO for growth and content teams.

sunbeam.ai · San Francisco

CALL NO.CS·SUNBEAM·26
Stagenot publicly disclosedno source in ledger
Raisednot publicly disclosedno source in ledger
Headcount10as of Oct 2026[12][11][14]
Valuationnot publicly disclosedno source in ledger
Founded2025[16]
Money

No funding round has been disclosed for sunbeam, the autonomous SEO agent launched in May 2026. The company has 1-10 employees and no announced investors.[11][12][17]

The founding team raised $20M+ in venture capital for daydream, the AI-native SEO agency that preceded sunbeam. Backers included First Round Capital, Basis Set Ventures, WndrCo, and Hustle Fund, alongside angel investors including Eli Schwartz and Lenny Rachitsky.[17][18][11]

A data aggregator record tied to the sunbeam.ai domain shows $5.305M in total funding across three seed rounds: $125K (June 2021), $2.6M (October 2021), and $2.6M (February 2023), attributed to the Positional/ContainIQ entity that previously operated at that domain. No investors are named for those rounds.[7]

The daydream LinkedIn profile shows $23.7M in total funding across two rounds; the founders' own public statements cite $20M+. The $3.7M gap is unexplained and the two figures cannot be reconciled from available evidence.[12][17][18]

People

Thenuka Karunaratne, CEO and Co-Founder[12][11][14]

Shravan Rajinikanth, CTO and Co-Founder[12][11][14]

Vishruth Rajinikanth, Founding AI Engineer[12][11][14]

Signals
Oct 16 2026launchsunbeam launches as an autonomous SEO agent from the daydream team company claim, not independently confirmed[8]
Oct 3 2026hiringVishruth Rajinikanth joins sunbeam as Founding AI Engineer[14]
Oct 1 2026otherThenuka Karunaratne and Shravan Rajinikanth list co-founder roles at sunbeam alongside daydream[12][11]
May 28 2026fundingToday we're announcing sunbeam, the autonomous SEO agent. | Thenuka Karunaratne[17]
Comps

daydream · daydream.ai · Same buyer and same job to be done: daydream sells organic search outcomes to growth and content teams, and sunbeam is built by the same founders as a productized version of that service.[12][14]

GrowthBar · growthbarseo.com · Same buyer and same workflow: GrowthBar is cited in the AI x SEO market map as a tool growth teams use to produce content, the same content-production job sunbeam's agent performs.[21]

AirOps · airops.com · Same buyer and same workflow: AirOps appears in the same AI x SEO market map as a content-production workflow tool for growth teams, overlapping with sunbeam's content execution.[21]

MarketMuse · marketmuse.com · Same job to be done: MarketMuse automates the SEO strategy synthesis work that sunbeam's agent claims to run end to end, so a growth team evaluating strategy automation would weigh both.[21]

Surfer · surferseo.com · Same job to be done: Surfer is cited alongside MarketMuse in the AI x SEO market map for automating SEO strategy analysis, the same strategy layer sunbeam sells.[21]

Risk

The customer proof is company-sourced only. No independent source in this ledger confirms it.[8]

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Sourcestracings · 22

Oct 2026 · forbes.com

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[15]org_enrichment

Oct 2026

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Oct 2026 · stableenrich.dev

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Oct 2026 · operatorhypotheses.substack.com

reported

Oct 2026 · sunbeam.ai

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Oct 2026 · sunbeam.ai

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sunbeam

CALL NO.CS·SUNBEAM·26

sunbeam is an autonomous SEO agent that runs strategy, content, and technical SEO for growth and content teams.

sunbeam.ai · San Francisco

Stagenot publicly disclosed
Raisednot publicly disclosed
Headcount10
Valuationnot publicly disclosed
Founded2025
Compsdaydream +4

Ask for one referenceable production customer.

Not a recommendation. The first thing this ledger cannot answer.