What is an Accelerator?

An accelerator is a fixed-term program that trades money, mentorship, and connections for equity in your startup. That’s the sixth definition in the startup dictionary, and it’s the closest thing startups have to a fast lane.

How does an accelerator work?

You apply, join a cohort, and spend about three months building at full speed with mentors and a check, usually in exchange for roughly 6 to 10 percent equity. It ends at Demo Day, where you pitch a room full of investors.

Why does an accelerator matter?

Compression. A good accelerator squeezes a year of learning, network, and credibility into a single quarter. The stamp of a top program opens investor doors that cold emails never will.

Where did accelerators come from?

Y Combinator started the model in 2005, betting small checks on founders in batches. Techstars followed in 2006, and thousands of programs now run the same playbook worldwide.

How do you pick an accelerator well?

Judge programs the way investors judge startups: by outcomes. Look at alumni, follow-on funding rates, and whether mentors actually show up. A weak accelerator costs you equity and a quarter. A great one changes your company’s slope.

Bottom line: an accelerator won’t save a bad idea, but it can double the speed of a good one.

For more startup terminology, visit startupdefinitions.com.