Startup profile for Doppel: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.
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Doppel funding, valuation and investors

AI-native platform detecting and removing social-engineering impersonation and phishing.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series C

$70M · November 2025

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$70M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

growth · San Francisco, California

Investors in latest funding

Lead: Bessemer Venture Partners

Other: Andreessen Horowitz

Sources: latest funding Last verified: 2026-07-25

Overview

Doppel is an AI-native platform detecting and removing social-engineering impersonation — protecting brands, executives, and employees from phishing, fake accounts, and deepfake scams. a16z led Series A in January 2024 after internal security team POC; Bessemer led $70M Series C in November 2025 as AI phishing exploded.

Why Doppel is interesting

a16z led Series A after internal POC; Bessemer led 2025 Series C as AI phishing and impersonation attacks surged.

Product & use cases

Continuous monitoring and takedown of impersonation across social, domains, ads, and dark web — AI-native detection and automated removal.

  • Executive impersonation and deepfake detection
  • Brand phishing and fake account takedown
  • Employee-targeted social engineering protection

Key facts

  • Series C (Nov 2025): $70M led by Bessemer; a16z returner
  • Series A (Jan 2024): led by a16z after internal security POC

Funding history (newest first)

Series C

2025-11 $70M

Source: https://www.doppel.com/blog/series-c

Series A

2024-01 Undisclosed

Source: https://a16z.com/announcement/investing-in-doppel/

Investors in our directory

Funds linked from Doppel's profile — open a fund page for stage focus and related deal articles.

Andreessen Horowitz Bessemer Venture Partners

Competitive landscape

Edge: AI-native detection tuned for modern impersonation — not legacy brand protection adapted from domain monitoring.

AI-generated phishing makes impersonation scale faster than manual takedowns. Doppel competes with legacy brand protection vendors adding AI — speed of detection and takedown is the metric.

  • Proofpoint incumbent

    Enterprise security including brand protection.

  • ZeroFox direct

    Digital risk protection and brand security.

  • Bolster direct

    AI brand protection and phishing detection.

  • Memcyco adjacent

    Real-time website impersonation detection.

Notable stories

  • a16z led Doppel's Series A after its own security team ran a successful POC — validating enterprise demand from the investor's internal use (a16z announcement, 2024).

Industries

Cybersecurity AI & Machine Learning

FAQs about Doppel

Practical answers founders, operators, and investors typically search for.

AI-native impersonation detection and takedown for brands, executives, and employees.
a16z (/fund/andreessen-horowitz) led Series A. Bessemer (/fund/bessemer-venture-partners) led Series C.
Proofpoint is broad enterprise security; Doppel is AI-native impersonation specialist.
November 2025 — $70M led by Bessemer.
AI-generated phishing and deepfakes scale attacks beyond manual brand monitoring.
Not publicly disclosed.
San Francisco.
No.
Growth/Series C.
Enterprises protecting brand and executive identity — financial services and tech among sectors.
Website All startups Funding news

By Venture Capital Tracker

Last updated:

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.