Curated by Local Founders

The Builder's Guide to Boston

The curated resource to help you tap into Boston's startup communities, capital, programs, and more.

where great companies are built

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Why Boston?

Boston is one of the greatest startup ecosystems in the world, and the data proves it.

Top 3
U.S. AI Research Hub

Boston ranks among the top AI research ecosystems globally, anchored by MIT, Harvard, and industry labs.

Stanford AI Index / CBRE
#1
U.S. Robotics Cluster

Anchored by MIT CSAIL and Boston Dynamics, Greater Boston is one of the world's leading robotics hubs.

CBRE / MassRobotics
#1
U.S. Biotech Ecosystem

Greater Boston leads the U.S. in biopharma venture funding, lab space, and therapeutic startups.

MassBio / CBRE / PitchBook
18
Unicorn startups based & founded here

Unicorns ranging across biotech, AI, and fintech, with more in the pipeline.

StartupBlink / Failory
$7.5B+
VC raised by Boston companies in 2024

Top 5 VC capital deployment city in the U.S. 30% of all U.S. biopharma capital flows here.

MassBio 2024
TOP 5
Global Startup Ecosystem

Boston ranks #3 in the U.S. and #5 globally, one of the most important startup cities on Earth.

Startup Genome 2025
2nd
Highest return efficiency in the U.S.

Boston ranks #2 in the U.S. by return efficiency, outperforming NYC, LA, and Seattle. Only the Bay Area scores higher.

PitchBook / Startups Magazine
50+
Accelerators & incubators

Including The Engine, Greentown Labs, and more. Pre-seed deal sizes are on the rise.

Startup Genome
Elite Talent
For producing funded founders

MIT and Harvard rank #2 and #3 globally. HBS alumni have founded more unicorns than any other MBA program.

Crunchbase 2024