· Venture Capital Tracker · investment-strategies · 1 min read
Cowboy Ventures Joins Eisen $18.5M Raise for Compliance AI
Cowboy Ventures participated in Eisen’s combined $18.5M financing — a $10M Series A and $8.5M seed — for AI-enabled compliance operations in financial services.
VCT data record
Funding event facts
Source-backed financing and transaction details. Unknown terms remain undisclosed rather than estimated.
Eisen raises $10M Series A
- Event type
- Funding Round
- Event date
- May 19, 2026
- Stage / label
- Series A
- Amount
- $10M
- Confidence
- Company Disclosed
Company / target: Eisen
Lead: MissionOG
Sources: witheisen.com
Eisen previously raised an $8.5M seed
Eisen confirms the $8.5M seed amount but does not disclose its close date; no date is inferred.
- Event type
- Funding Round
- Event date
- Not disclosed
- Stage / label
- Seed
- Amount
- $8.5M
- Confidence
- Company Disclosed
Company / target: Eisen
Lead: Index Ventures
Sources: witheisen.com
Cowboy Ventures joined Eisen’s combined $18.5M financing in May 2026 — a $10M Series A led by MissionOG plus a previously unannounced $8.5M seed led by Index Ventures — backing an AI-enabled compliance operations platform for financial services.
Key facts
- Investor: Cowboy Ventures (participant)
- Company: Eisen (AI compliance operations for financial services)
- Total raised: $18.5M ($10M Series A + $8.5M seed)
- Series A lead: MissionOG
- Seed lead: Index Ventures
- Other investors: First Round Capital, Homebrew, Restive Ventures
Why this matters
The Eisen deal is part of an active 2026 stretch for Cowboy Ventures, which also joined Basata’s $21M Series A and led Petual’s seed. The seed-stage firm, founded in 2012, has backed breakouts including Drata, Guild, and Homebase.
Sources
- Silicon Legal Strategy — Cowboy Ventures joins Eisen’s $18.5M rounds: https://www.siliconlegal.com/sls-client-cowboy-ventures-joins-eisens-18-5mm-combined-series-a-and-seed-rounds/
- Cowboy Ventures investments (CB Insights): https://www.cbinsights.com/investor/cowboy-ventures
- cowboy-ventures
- series-a
- fintech
- +2 more
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Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.
