/ 01
Invest
First institutional cheques into pre-seed and seed-stage SaaS & AI companies. We move fast, decide in weeks, and stay close for the long run.
₹50L – ₹2CrPre-seedSeed
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We fund & buildthe next wave ofSaaS companies.
Sandbox is an early-stage venture firm behind intelligent software — first cheques, co-built products, and a 60-day founder residency in Rajkot. From first line of code to first customers.
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Vertical SaaS✦Agentic AI✦Dev Tools✦Applied AI✦B2B Platforms✦Workflow Automation✦AI Infrastructure✦
01 — What we do
A sandbox is where experiments become companies.
Capital alone doesn't build companies. We pair early cheques with hands-on building support and immersive programs — everything a founder needs to go from zero to one.
/ 02
Build
A venture studio inside the fund. Product, engineering, GTM, hiring and fundraising support — we co-build alongside our founders, not just advise from the sidelines.
Product & EngGTMFundraising
/ 03
Accelerate
The Sandbox Residency — a 60-day, in-person sprint from our Rajkot HQ. Relocation, housing, workspace and a community fund included. It ends with Demo Day.
60 daysRajkotDemo Day
60
Days in the Residency
15
Seats in Cohort 01
8L+
Cloud credits per team (₹)
2Cr
Max first cheque (₹)
Base
Sandbox House, Rajkot — investing worldwide
03 — Where we invest
Two lanes, deep conviction: SaaS & AI.
We stay narrow on purpose. If you're building intelligent software or recurring-revenue products for businesses, we speak your language.
A·01
Vertical SaaS
Purpose-built software for industries the giants ignore — manufacturing, logistics, healthcare, agri, construction.
A·02
Agentic AI
Autonomous agents that do real work — sales, support, ops, back-office. Products with outcomes, not just chat.
A·03
Developer Tools
APIs, infrastructure and tooling that make builders faster — from databases to observability to AI eval.
A·04
Applied AI
AI wrapped in workflow and distribution — products where the model is the engine, not the pitch.
A·05
AI Infrastructure
The picks and shovels of the AI economy — orchestration, data pipelines, fine-tuning, monitoring.
A·06
B2B Platforms
Workflow software with network effects — marketplaces, collaboration layers and systems of record.
04 / The program
The Sandbox Residency — 60 days of pure build.
Modelled on the world’s best founder residencies and run from Rajkot, our flagship program flies exceptional builders in, houses them, feeds them, and removes every excuse that isn’t code.
- Free relocation — Flights in from anywhere in India, on us.
- Housing & meals — Stay at Sandbox House with the cohort.
- Community fund — Shared pool for tools, APIs and experiments.
- Hardware & media studios — Prototype, film and launch in-house.
- Weekly partner 1:1s — With the Sandbox team and visiting operators.
- Demo Day — Pitch active seed investors in the final week.
05 — Beyond capital
We build with you, not just bet on you.
Six ways our team works shoulder-to-shoulder with portfolio founders — capability, community and capital under one roof.
01
Co-Build Studio
Our internal product & engineering pods embed with your team in the earliest innings — scoping the MVP, making hard architecture calls, and shipping v1 alongside you. Think of us as your interim CTO-plus-team until you've hired your own.
02GTM & Growth Engine
Positioning, pricing, ICP definition and sales playbooks — then the first ten customers. We open our operator and enterprise network for design-partner pilots, and coach your founder-led sales motion until it's repeatable.
03Fundraising Support
Narrative and deck teardowns, financial model and data-room prep, process strategy — then warm introductions to the seed and Series A investors who actually lead rounds in your category. Our companies get a graduating Demo Day audience by default.
04Talent Network
Founding engineers, designers, ML researchers and operators from the Sandbox community and our founder network. We help you write the role, run the search and close the hire.
06 — Portfolio
Builders we’ve backed early.
A sample of the companies in the Sandbox family — SaaS & AI products being built from India for the world.
O
PRE-SEEDOutbase Technologies
Outbase is the decentralized capability and execution layer for the autonomous agent economy. As AI products move from single prompts to reliable, multi-step systems, they require discoverable tools, clear execution boundaries, and native settlement rails.
AI AGENTSCOHORT 1
M
PRE-SEEDMatiAI
MatiAI is a contextual data infrastructure company providing an open, model-agnostic memory layer for artificial intelligence assistants and autonomous agents. By default, modern generative AI models and agents are stateless, dropping context across sessions, devices, and platforms.
AI MEMORYCOHORT 1
07 — The House calendar
Come build with us in person.
Dinners, build weekends and demo nights at Sandbox House — plus the online Founder School.
Cohort 01 · Oct 12 — Dec 11
Sixty days, fifteen builders, one house — the first cohort starts here.
Building in SaaS or AI? We should talk.
Pitch us in under five minutes. No warm intro needed — every serious application gets read by a partner, and every founder gets a straight answer.