VermillionOS

Run your agency
like a system

The operating system behind Vermillion, an embedded React Native engineering firm that has shipped 50+ subscription apps and driven multiple client exits.

15+
Years shipping software
50+
Subscription apps built
3
Client exits / acquisitions
$25K
Max monthly retainer
What VermillionOS Does

Every lever in your agency, one dashboard

Pipeline, retainers, client health, competitive intel, and outbound. No more scattered spreadsheets and forgotten follow-ups.

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Client Pipeline

Track every prospect from first touch to signed retainer. See which deals are moving and which need attention.

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Retainer Health

MRR tracking, renewal dates, engagement signals. Know which clients are thriving and which are at risk before they tell you.

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Competitive Radar

Monitor Callstack, Margelo, MetaCTO and others. Pricing changes, new hires, positioning shifts. Stay two steps ahead.

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Outbound Engine

Identify subscription app teams that match your ideal client profile. Automated, personalized outreach that sounds like you wrote it.

Proven Track Record

Clients that went the distance

Multi-year embedded partnerships that ended in exits.

PicklePlay
Acquired by Universal Tennis
4+ year embedded partnership. Scaled to 100K+ users. The kind of engagement that defines what embedded engineering looks like done right.
Washlava
$8M Raised, Acquired
IoT marketplace with 500+ laundromat locations. Built the mobile layer that connected hardware to consumers at scale.
Artfare
Built from Zero
AR-enabled art platform. 5,000+ artists onboarded. Proof that a small, embedded team can ship ambitious products fast.

The agency that runs itself

15 years of building for others. Now it's time to build the machine that runs the business behind the builds.