Startup profile for Signifyd: 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.

Startup profile · funding coverage

Signifyd funding, valuation and investors

Commerce protection platform guaranteeing retailers against fraud and chargebacks.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series E

$205M · April 2021

Latest known valuation

$1.34B

Series E · April 2021

Total disclosed equity funding

$205M

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

Current status

private

growth · San Jose, California

Investors in latest funding

Lead: Owl Rock

Other: Andreessen Horowitz , Bain Capital Ventures , Menlo Ventures

Sources: latest funding · businesswire.com Last verified: 2026-07-25

Overview

Signifyd provides ecommerce fraud protection with a chargeback guarantee — approving or declining orders and reimbursing merchants for fraudulent chargebacks on approved orders. Founded in San Jose in 2011, the company uses a commerce network and machine learning to assess buyer identity and intent. Andreessen Horowitz was an early investor; Bain Capital Ventures and Menlo Ventures joined later rounds. Signifyd raised $205M Series E in April 2021 at $1.34B valuation led by Owl Rock (now Blue Owl).

Why Signifyd is interesting

Signifyd's chargeback guarantee model scaled to unicorn status — a16z seed before Bain and Menlo joined growth rounds at $1.34B valuation.

Product & use cases

Signifyd's Commerce Protection Platform scores orders at checkout and guarantees approved transactions against fraud chargebacks — shifting fraud risk from merchants to Signifyd.

  • Ecommerce checkout fraud screening
  • Chargeback guarantee for approved orders
  • Account takeover prevention at login
  • BNPL and marketplace fraud protection

Key facts

  • Series E (Apr 2021): $205M at $1.34B led by Owl Rock — BusinessWire
  • a16z seed investor; Bain and Menlo in growth rounds
  • Chargeback guarantee commerce protection model
  • Serves large ecommerce and enterprise retailers

Funding history (newest first)

Investors in our directory

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

Competitive landscape

Edge: Guarantee model aligns incentives — Signifyd loses money on bad approvals, unlike pure SaaS scoring vendors.

Ecommerce fraud protection bifurcated into guarantee vendors (Signifyd, Riskified) and scoring APIs. Signifyd's $1.34B valuation reflects enterprise retailer adoption; competes directly with Riskified for large merchant logos.

  • Riskified direct

    Similar chargeback guarantee model; public company (NYSE: RSKD).

  • Forter direct

    Enterprise fraud decisioning with guarantee options.

  • Sift adjacent

    Digital trust platform; less guarantee-focused historically.

  • Stripe Radar adjacent

    Built-in fraud tools for Stripe merchants.

Notable stories

  • Signifyd pioneered the chargeback guarantee — merchants pay for approved orders that fraud, aligning vendor incentives with merchant outcomes.
  • a16z seed bet in 2011 preceded a decade of ecommerce fraud escalation and BNPL expansion.

Industries

Market / IPO context

Editorial / static context — not a live quote.

FAQs about Signifyd

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

Signifyd provides ecommerce fraud protection with a chargeback guarantee — reimbursing merchants for fraud on orders Signifyd approves.
Andreessen Horowitz (/fund/andreessen-horowitz), Bain Capital Ventures (/fund/bain-capital-ventures), and Menlo Ventures (/fund/menlo-ventures) participated. Owl Rock led Series E.
April 2021 Series E was at $1.34B valuation per BusinessWire.
Both offer chargeback guarantee models for ecommerce. Riskified is public (RSKD); compare approval rates and vertical expertise.
April 2021 — $205M at $1.34B valuation.
Signifyd is private; profitability not publicly disclosed.
Signifyd approves or declines orders; merchants receive reimbursement for fraudulent chargebacks on approved transactions.
San Jose, California.
Rajesh Ramanand and Mike Liberty co-founded Signifyd in 2011.
We track a16z-backed fintech companies.

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.