Stack18 is a forward-looking holding company building, backing, and scaling high-potential businesses from India for the world — across technology, digital commerce, media, and emerging sectors.
We back businesses where India's talent, cost structure, and market timing create a durable global edge.
AI-native software, SaaS platforms, and infrastructure built for global scale.
Storefronts, marketplaces, and the operating systems behind modern retail.
Content, creator platforms, and distribution businesses built for global audiences.
Early bets in categories we believe will matter well before consensus catches on.
Aegis is our first solution, live today — available via Complete Buy, White-Label Licensing, or Revenue Share. More are in build across our four sectors.
Omnichannel AI resolution, helpdesk & analytics — built in Technology.
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Four verbs, in the order they actually happen.
We find high-potential opportunities where India's talent and timing create a real edge.
We build category-defining products in-house, from the ground up.
We back exceptional founders and teams with capital, infrastructure, and operating support.
We scale portfolio businesses with dedicated engineering, growth, and go-to-market teams — from India, for the world.
Every business we build or back ships with a real cost, timeline, and market comparison, so the decision is never a guess.
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Sectors of focus
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Solution live today
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Cost saved vs. custom build (Aegis)
India →
World
Origin and ambition
Every opportunity is assessed against real build cost, timeline, and market benchmarks before we commit.
Real cost, timeline, and infrastructure estimates behind every business we build or back.
Portfolio companies keep full source, brand, and domain ownership from day one.
Our team customizes, scales, and grows portfolio businesses well past launch.
"We deflected two-thirds of tier-1 support volume in the first month without a single new hire."
"Owning the source code meant our security team could actually sign off — that's what got it through procurement."
"We white-labeled Aegis and now resell it to our own retail clients under our brand."
Services is how we partner with a small number of businesses we believe in — dedicated customization, integration, and growth support, not a marketplace add-on.
Explore servicesDesign and ship AI agents into portfolio platforms.
Extend features beyond the original product spec.
Connect to existing stacks and internal systems.
Positioning, pricing, and launch planning support.
A breakdown of engineering, infra, and opportunity cost.
AITime-to-value comparisons across five industries.
PlaybookWhat to verify before you buy: code, compliance, and more.
Portfolio news, sector reports, and our thinking on building from India — twice a month.
Explore what we've built, or bring us your next big idea.