circe

Boston, United States Founded: 2021 • Age: 5 yrs
Provider of air management services

About circe

circe is a company based in Boston (United States) founded in 2021 by Milad Moshfeghian and Ciaran Dunn. circe has raised $6.6 million across 3 funding rounds from investors including ReGen Ventures, Undeterred Capital and Ponderosa Ventures. circe offers products and services including Carbon-Negative Molecules and Gas Fermentation Outputs. circe operates in a competitive market with competitors including EcoAct, Tallgrass, Syroco, Travertine Technologies and Delta-Simons, among others.

  • Headquarter Boston, United States
  • Founders Milad Moshfeghian, Ciaran Dunn
  • Sectors
    Transportation, Automotive & Logistics
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website circebioscience.com
  • Social LinkedIn
Key Metrics
  • Total Equity Funding
    $6.6M (USD)

    in 3 rounds

  • Latest Funding Round
    $5M (USD), Seed

    Sep 2024

  • Investors

Products & Services of circe

circe offers a comprehensive portfolio of products and services, including Carbon-Negative Molecules and Gas Fermentation Outputs.

Carbon-Negative Molecules
Sustainable Ingredients

Molecules from CO2 for food and chemical production.

Gas Fermentation Outputs
Industrial Materials

Products for fuels and manufacturing from emissions.

Funding Insights of circe

circe has successfully raised a total of $6.6M across 3 strategic funding rounds. The most recent funding activity was a Seed round of $5 million completed in September 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $6.6M
  • Total Rounds 3
  • Last Round Seed β€” $5M
  • Investors Count 7

All 3 funding rounds of circe with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Sep 2024$5MSeed–ReGen Ventures, Undeterred Capital
Oct 2021$1.6MSeed––
–
Jun 2021–Seed–Climate Capital
–
Valuation history

7 investors in total: 7 institutional.

Investors in circe

circe has secured backing from 7 investors, including venture fund and institutional investors. Prominent investors backing the company include ReGen Ventures, Undeterred Capital and Ponderosa Ventures.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
ReGen Ventures is focused on investing in regenerative technologies.
–regen.vcByron Bay, Australia
Early-stage venture capital investments are made in technology and biotech.
–undeterredcapital.com-
Seed and early-stage micro investments are targeted in the US.
–beepartners.vcSan Francisco, United States
Early-stage investments are provided by this London-based VC firm.
–exceptional.venturesLondon, United Kingdom
Venture capital is invested in climate tech startups and entrepreneurs.
–climatecapital.coSan Francisco, United States
Safar Partners is engaged in investing in technology startups.
2018safar.partnersCambridge, United States
Early-stage investments are made in food, agriculture, and oceans sectors.
–ponderosavc.com-
Premium access

Investor details for circe

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

People of circe

5 people are tracked at circe (3 in leadership, 2 in team).

NameRoleGroup
Milad Moshfeghian
Co-FounderLeadership
Ciaran Dunn
Co-FounderLeadership
Shannon Nangle
Co-founder & CEOLeadership
Matthew Donahue
Process ScientistTeam
Quinn Kennedy
Process Design EngineerTeam
Premium access

Complete people profiles for circe

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

  • Full employee list
  • Team structure
  • Board tenure
  • Professional contacts

Verified entity values are shown only after access is granted.

Timeline of circe

3 dated milestones of circe across 3 years, from founding to its latest funding, stage changes and deals.

  1. Founded circe is founded.
  2. Funding First funding round.
  3. Funding Latest funding round, Seed, of $5.0M.

Competitors of circe

circe operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as EcoAct, Tallgrass, Syroco, Travertine Technologies and Delta-Simons, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
eco-act.com2005London, United Kingdom––
Provider of project management solutions for carbon and energy reporting systems
tallgrass.com2012Lakewood, United States––
Safe and reliable energy infrastructure solutions are provided and maintained.
syro.co2018Marseille, France$11.06M–
AI-driven software optimizes maritime voyages for fuel efficiency and emissions.
travertinetech.com2022Boulder, United States$11.5M–
Provider of chemical production services for carbon removal
deltasimons.com1992Lincoln, United Kingdom––
Independent multi-disciplinary environmental consultancy services are provided.
icebergdatalab.com2019Paris, France$10.05M–
Provider of environmental data solutions for financial institutions
banyucarbon.com2022Seattle, United States$6.5M6
Provider of CO2 removal services
naturvardsverket.se1967Stockholm, Sweden––
Environmental protection and policy enforcement are managed in Sweden.
aqmd.gov1976United States––
Air quality management services are provided for regulatory compliance.
berkeleyenergia.com1991London, United Kingdom––
Uranium projects are developed for clean energy initiatives.
Premium access

Detailed competitors of circe

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
  • Benchmarks
  • Competitive positioning

Verified entity values are shown only after access is granted.

Web traffic of circe

The website of circe (circebioscience.com) receives about 1.8K visits a month.

  • Monthly visits
    1.8K

    ▼ 3.6% vs previous month

Latest news on Circe

Premium access

Complete news archive for circe

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Similar companies to circe

10 companies that operate in the same segment as circe (Air Management Services), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Indra is recognized as a global leader in transportation, air traffic, and defense solutions.
1992Madrid, Madrid, SpainUSD 279.03 MUSD 6.42 B60,910
Independent ratings and risk analytics for carbon projects are provided.
2020London, England, United KingdomUSD 109.21 M––
Energy-based holding company
1905United States–USD 24.42 B28,410
HVAC and refrigeration systems are designed, manufactured, and sold worldwide.
1871Swords, Fingal, Ireland–USD 21.32 B45,000
Provider of indoor environmental management products
1969Helsinki, FinlandUSD 3 MUSD 497.75 K7
Duct sealing services are provided to homes and industries.
1993Miamisburg, Ohio, United StatesUSD 119 M––
Ombudsman services for scientific misconduct in research are provided confidentially.
1948Munchen, Bayern, Germany–––
Producer of net-zero natural gas, pursuing carbon-neutral energy solutions. This company focuses on making natural gas production carbon-neutral, a...
2015Denver, Colorado, United StatesUSD 350.01 MUSD 1.15 B366
AI-designed enzymes are used for biorecycling mixed plastics and textiles.
2019London, England, United KingdomUSD 41.3 M–25
Filtration products and solutions are manufactured for diverse industries.
1942Austin, Texas, United States––2,739
Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track β€” from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • βœ“
    Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • βœ“
    Full access to every database India & global coverage, advanced filters and rich profile details
  • βœ“
    Always-on access from your team account Single premium plan for everything you see on the portal

Frequently Asked Questions about circe

circe was founded in 2021.

circe is headquartered in Boston, United States. It is registered at Boston, Massachusetts, United States.

circe is a funded company, having raised a total of $6.6M across 3 funding rounds to date.

Circe was founded in 2021 in Boston, United States, by co-founders Milad Moshfeghian and Ciaran Dunn. Air management services are delivered through the domain circebioscience.com, targeting bioscience applications. Operations are centered in the environmental technology sector, where solutions for air handling and purification are offered to clients. The company maintains a focus on practical implementations in urban and industrial settings across the United States.

circe's top competitors include Banyu Carbon, Tallgrass and Syroco.

circe offers Carbon-Negative Molecules and Gas Fermentation Outputs.

circe has 7 investors. Key investors include ReGen Ventures, Undeterred Capital, Ponderosa Ventures, Bee Partners, and Exceptional Ventures.

Explore millions of companies β€” effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals β€” all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available