Who Funds Sustainability Startups in Colorado?

Real, verified funding sources for sustainability founders in Colorado: VC funds, accelerators, angel networks, and active grant programs — sourced from SEC filings and Grants.gov, not estimates.

No funds headquartered in Colorado matched "Sustainability" by name — the funds below are shown nationwide instead.

Sustainability Funding Snapshot — Colorado (as of August 2026)

  • 1
    6 VC funds (nationwide)with "Sustainability" in their name — none headquartered in Colorado in our data
  • 2
    4 acceleratorsopen to sustainability founders in Colorado (including globally-available programs)
  • 3
    6 angel networksbased in Colorado
  • 4
    28 open grantsin the Clean Energy category, refreshed nightly from Grants.gov

Sustainability VC Funds (Nationwide)

Mars Sustainability Venture

📍 New York, NY📅 Filed March 2025

General partners: Scott Huff, Richard Ruffer, Jody Flaws

$200M
Effective fund size

Senator Innovation & Sustainability Fund LP

📍 New York, NY📅 Filed April 2021

General partners: Douglas Silverman

$123.4M
Effective fund size

Omnivore Agritech & Climate Sustainability Fund 3

📍 Mumbai, K7📅 Filed February 2023

General partners: Jinesh Shah, Mark Kahn

$28M
Effective fund size

Plug & Play Sustainability Fund I, L.P.

📍 Sunnyvale, CA📅 Filed February 2023

General partners: Rahim Amidhozour, Saeed Amidhozour

$10.6M
Effective fund size

BIPROGY & TRANSLINK SUSTAINABILITY & INNOVATION FUND, L.P.

📍 Palo Alto, CA

General partners: TOSHIYA OTANI

Fund size not reported

Greycroft CCS Sustainability Fund, L.P.

📍 New York, NY

General partners: Dana Settle, Ian Sigalow

Fund size not reported

Sustainability Accelerators Open to Colorado

4 programs

Techstars

Boulder, CO

Techstars

$120K
Deadline: Rolling / no fixed deadline
Learn More →

gener8tor Denver

Denver, CO

gener8tor Denver

$100K
Deadline: Rolling / no fixed deadline
Learn More →

Boomtown Accelerator

Boulder, CO

Boomtown Accelerator

$50K
Deadline: Rolling / no fixed deadline
Learn More →

Catalyze CU (University of Colorado)

Boulder, CO

Catalyze CU (University of Colorado)

$15K
Deadline: Rolling / no fixed deadline
Learn More →

Angel Investor Networks in Colorado

6 networks

Unreasonable Group

👥 40 members💰 $50K - $1M check range

📍 Boulder, CO

ImpactSocial EnterpriseSustainabilityCleanTech

Rockies Venture Club

👥 420 members💰 $10K - $500K check range

📍 Denver, CO

TechnologyHealthcareConsumerFintechSaaS

Denver Angels

👥 80 members💰 $10K - $200K check range

📍 Denver, CO

TechnologyHealthcareConsumerFintechSaaS

Keiretsu Forum Rocky Mountain

👥 70 members💰 $25K - $500K check range

📍 Denver, CO

TechnologyHealthcareConsumerFintechSaaS

Colorado Capital Alliance

👥 60 members💰 $25K - $200K check range

📍 Denver, CO

TechnologyHealthcareSoftware

Rockies Venture Club

👥 49 members💰 $5K - $75K check range

📍 CO

TechnologyGeneral

Grants in the Clean Energy Category

Sustainability falls under the broader "Clean Energy" category in federal grant data. These are federal programs open to eligible founders nationwide (including Colorado) — live from Grants.gov, refreshed nightly.

ROSES 2025: A.10 INNOVATE

NASA Headquarters

Deadline: August 31, 2026Apply →
Deadline: September 8, 2026Apply →
Deadline: September 25, 2026Apply →
Deadline: September 29, 2026Apply →

?Sustainability Funding FAQs — Colorado

Are there sustainability VCs headquartered in Colorado?

We don't have any funds headquartered in Colorado whose name references sustainability. Below are sustainability-related funds from across the country instead — many invest outside their home state.

What accelerators in Colorado support sustainability startups?

4 accelerator programs open to Colorado-based sustainability founders are in our database, including programs based in Colorado and globally-available programs.

Are there angel investor networks in Colorado?

Yes — 6 angel investor networks based in Colorado are in our database, ranked by member count with sustainability-relevant groups surfaced first where our sector data supports it.

What grants are available for sustainability founders?

28 currently open federal grant programs are tagged under the Clean Energy category, which is where sustainability falls in our grant classification. These are federal programs open to eligible founders nationwide (including Colorado), pulled live from Grants.gov and refreshed nightly.

Your Sustainability Funding Action Plan

1

Research & Prepare

  • Review the 6 sustainability-matched funds above and their filing history
  • Check each fund's website for current investment criteria before reaching out
  • Prepare a pitch deck and financial projections tailored to your stage
2

Apply & Connect

  • Apply to the 4 accelerator programs listed above
  • Reach out to the 6 angel networks in Colorado
  • Check eligibility for the 6 open grant programs above
3

Follow Up

  • Track deadlines for any application-based programs above
  • Look for warm introductions through your existing network before cold outreach
  • Revisit this page periodically — fund and grant data refreshes nightly