
What they do:
Economically and environmentally sustainable supersonic travel
Quick facts:
HQ: Denver, CO, United States
This list has 81 startups and was last updated on Oct 15, 2026. 4 of them are hiring right now. Biggest hubs: Denver (27), Boulder (16), and Colorado Springs (7). Largest teams: Boom, GitPrime, and Accept.inc (formerly BoardRE). Latest round: Arentha raised $280K (Oct 8, 2026).

What they do:
Economically and environmentally sustainable supersonic travel
Quick facts:
HQ: Denver, CO, United States

What they do:
Datadog for Space
Quick facts:
HQ: Denver, CO, United States

What they do:
Full-stack VLEO satellite missions
Quick facts:
HQ: Denver, CO, United States

What they do:
The lightest electric aircraft motors in the world.
Quick facts:
HQ: Denver, CO, United States

What they do:
The tolling industry’s prime tech infrastructure
Quick facts:
HQ: Denver, CO, United States

What they do:
The Most-Loved IT Documentation Platform
Quick facts:
HQ: Fort Collins, CO, United States

What they do:
A platform to plan, book and manage global and group travel.
Quick facts:
HQ: Boulder, CO, United States

What they do:
Blood Test for Early Detection of Ovarian Cancer
Quick facts:
HQ: Denver, CO, United States

What they do:
The financial foundation for every real estate development decision
Quick facts:
HQ: Denver, CO, United States

What they do:
Arpeggio Bio develops drugs targeting transcription factors using AI…
Quick facts:
HQ: Boulder, CO, United States

What they do:
Vanta for carbon compliance
Quick facts:
HQ: Denver, CO, United States

What they do:
Research and analytics company focused on college students.
Quick facts:
HQ: Frisco, CO, United States

What they do:
Unified Hardware Control and Data Processing Software
Quick facts:
HQ: Denver, CO, United States

What they do:
Shopify for Homebuilders
Quick facts:
HQ: Boulder, CO, United States

What they do:
Zero-Knowledge security without seed phrases or backup codes
Quick facts:
HQ: Denver, CO, United States

What they do:
Biospecimen logistics & operations layer to accelerate drug dev
Quick facts:
HQ: Boulder, CO, United States

What they do:
Reliable infrastructure to build, deploy and manage real-world robots.
Quick facts:
HQ: Denver, CO, United States

What they do:
Kill the drone, keep the jet. Reusable unmanned interceptors.
Quick facts:
HQ: Denver, CO, United States

What they do:
Realistic virtual video studio to record and stream from your browser
Quick facts:
HQ: Denver, CO, United States

What they do:
Let your camera understand the world
Quick facts:
HQ: Denver, CO, United States

What they do:
Visibility and analytics for software development leaders.
Quick facts:
HQ: Durango, CO, United States
Quick facts:
HQ: Louisville, CO, United States
Funding:
$127M · Equity · Feb 2026
Quick facts:
HQ: Louisville, CO, United States
Funding:
$52.5M · Debt · Jun 2026
Quick facts:
HQ: Arvada, CO, United States
Funding:
$32.1M · Equity · May 2026
Quick facts:
HQ: Golden, CO, United States
Funding:
$27M · Equity · Feb 2026
Quick facts:
HQ: Littleton, CO, United States
Funding:
$24.7M · Equity · Mar 2026
Quick facts:
HQ: Durango, CO, United States
Funding:
$21.5M · Equity · Jan 2026
Quick facts:
HQ: Brighton, CO, United States
Funding:
$21.5M · Debt · Apr 2026
Quick facts:
HQ: Boulder, CO, United States
Funding:
$21M · Equity · Feb 2026
Quick facts:
HQ: Denver, CO, United States
Funding:
$16.9M · Equity · Mar 2026
Quick facts:
HQ: Denver, CO, United States
Funding:
$14.9M · Equity · Mar 2026
Quick facts:
HQ: Littleton, CO, United States
Funding:
$14.3M · Equity · Mar 2026
Quick facts:
HQ: Boulder, CO, United States
Funding:
$13M · Equity · Oct 2026
Quick facts:
HQ: Colorado Springs, CO, United States
Funding:
$11.5M · Equity · Apr 2026
Quick facts:
HQ: Boulder, CO, United States
Funding:
$11.2M · Equity · Jan 2026
Quick facts:
HQ: Denver, CO, United States
Funding:
$10.8M · Equity · Mar 2026
There are 81 startups on this list, last updated on Oct 15, 2026.
4 of them are hiring right now, including Quindar, Albedo, and Blissway.
By team size: Boom (227 employees), GitPrime (110 employees), and Accept.inc (formerly BoardRE) (80 employees).
Latest rounds: Arentha — $280K Equity (Oct 2026), GelSana Therapeutics — $4.35M Equity (Oct 2026), and Syrcuit Energy Solutions — $400K Options (Oct 2026).
The biggest hubs are Denver (27), Boulder (16), and Colorado Springs (7).