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WorkOS

workos.comadded 2026-09-02
Lead shifted from early-stage Greenoaks to growth-stage Meritech/Sapphire — a classic signal the company has proven a predictable SaaS growth curve

Worth-Joining Index · Scorecard

v2.1 ALPHA · 2026-08

Career Score

64/100

Coverage

71%

Verified

0%

Stage cohort

Growth

Vibe Check

🎪 community voting coming soon

Momentum
4/4
Efficiency
5/12
Backing
5.9/8
Market
7.7/11
Product
8.8/11
Upside
5.7/12

Latest valuation

$2B (Series C, 2026-03)

Series C · 2026-03

ARR

~$30M ARR

Total raised

~$195M total raised (through Series C, 2026-03)

as of 2026-03
开发者工具企业身份认证AI基础设施Founded · 2018Stage · Growth (Series C)HQ · San Francisco

Traction · Key numbers

ARR~$30M ARR (2025-10, estimate)Third-party estimate, not company-disclosed~ 3rd-party estimateas of 2025-10
Valuation paceSeries B (Jun 2022) undisclosed valuation → Series C (Mar 2026) $2B post, ~$195M raised to date Publicly verifiableas of 2026-03
Marquee customersPaying customers include OpenAI, Anthropic, Cursor, Perplexity and other top AI companies Company-claimedas of 2026-03

Funding

Total raised

~$195M total raised (through Series C, 2026-03)

Rounds

2

C

$100M

Series C · 2026-03 · valuation $2B post (Series C, 2026-03) · led by Meritech, Sapphire

With: Audacious, Craft, Abstract, Greenoaks · Leads of the $100M Series C round

B

$80M

Series B · 2022-06 · led by Greenoaks

With: Lachy Groom, Lightspeed Ventures, Abstract Ventures · Also acquired Modulz as part of this round

Lead shifted from early-stage Greenoaks to growth-stage Meritech/Sapphire — a classic signal the company has proven a predictable SaaS growth curve

$195M raised to reach a $2B valuation is not an outrageous multiple, but the valuation story leans heavily on continued fundraising heat among AI-startup customers

No disclosed ARR growth rate between rounds — only start/end points are visible, so growth quality (healthy vs. discount-driven) can't be verified

Founders

Michael Grinich CEO

Previously worked at Dropbox and Nylas; WorkOS is his second startup and he built it as a solo founder

Reality · Working here

H1B / PERMUnknown
Remote policyUnknown
Comp modelUnknown
GlassdoorUnknown — work here? Help us fill this in →
Equity liquidityUnknown
Hiring statusUnknown

Signals & Risks

CustomersOpenAIAnthropicCursorPerplexityVercel
CompetitorsAuth0ClerkOktaFrontegg
ValuationThe $2B valuation leans heavily on continued hypergrowth among its AI-startup customer base, a concentrated bet on one sector's momentum
Customer concentrationIts growth narrative centers on a handful of marquee AI customers, raising customer-concentration risk
CompetitionThe identity/auth space is crowded, with Auth0, Clerk, and Okta all competing for the same developer customers

Editorial ✎

Good fit for

· Engineers who prefer building infrastructure over end-user products — WorkOS's whole pitch is making someone else's product 'enterprise-ready' while staying invisible

· People with a purist streak for API design and developer experience — WorkOS's reputation rests heavily on 'ship SSO in a day' simplicity

· Anyone wanting exposure to the AI-application boom as a macro bet — the customer list is stacked with OpenAI/Anthropic/Cursor-type companies, so the company's fate is tightly coupled to that wave

Not for

· Anyone who wants consumer-facing work with visual/interaction design payoff — the product here is developer dashboards and docs, not polished end-user UI

· Anyone averse to concentration risk — the growth narrative leans on a handful of top AI customers, and any cooldown in AI funding directly undercuts the story's credibility

Ask in the interview

1. Strip out OpenAI/Anthropic/Cursor-type top customers — what does ARR look like, and does the growth curve still hold?

2. Against Auth0 (now under Okta), Clerk and other identity players chasing the same developer customers, what's WorkOS's actual win rate, and why do they win deals?

3. What ARR multiple does the $2B valuation imply, and does the company believe that multiple survives a cooldown in AI-sector fundraising?

Data changelog

Community corrections → editorial review → applied, fully on the record

2026-09-02
ARR / 年化收入 filled in as ~$30M ARR (2025-10, estimate)

data as of 2025-10 · Source: Sacra

~ 3rd-party estimate
2026-09-02
累计融资额 filled in as ~$195M total raised (through Series C, 2026-03)

data as of 2026-03 · Source: Crunchbase (aggregated across 5 rounds: Seed, Series A, B, C)

~ 3rd-party estimate
2026-09-02
最近一轮领投机构 filled in as Meritech, Sapphire

data as of 2026-03 · Source: WorkOS company blog

Publicly verifiable
2026-09-02
最近一轮估值 filled in as $2B post (Series C, 2026-03)

data as of 2026-03 · Source: WorkOS company blog

Publicly verifiable
Spot an error? Submit a correction → — you can correct facts, never negotiate scores.

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