Sero

Cardiff, United Kingdom Founded: 2017 • Age: 9 yrs Minicorn
Retrofit services and energy solutions are provided for social housing.

About Sero

Sero is a company based in Cardiff (United Kingdom) founded in 2017 by Andrew Sutton and James Williams. Sero has raised $15.41 million across 5 funding rounds from investors including Gov.uk, Hodge Bank and Legal & General Capital. Sero offers products and services including Funded Retrofit Solution, Retrofit Co-ordination Service, and Warm Homes: SHF Wave 3 Support. Sero operates in a competitive market with competitors including Watershed, ClimeCo, Commons, Doconomy and StepChange, among others.

  • Headquarter Cardiff, United Kingdom
  • Founders Andrew Sutton, James Williams
  • Stage Minicorn
  • Sectors
    Environment
    Real Estate & Construction
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Phone
    β€’β€’β€’β€’ β€’β€’β€’β€’
  • Website sero.life
  • Social LinkedIn X
  • Legal Name Sero Energy Limited
  • Date of Incorporation 07 Aug, 2020
  • Jurisdiction CARDIFF, WALES
Key Metrics
  • Total Equity Funding
    $15.41M (USD)

    in 5 rounds

  • Investors
    Gov.uk

    & 3 more

Products & Services of Sero

Sero offers a comprehensive portfolio of products and services, including Funded Retrofit Solution, Retrofit Co-ordination Service, and Warm Homes: SHF Wave 3 Support.

Funded Retrofit Solution
Energy Service

Integrates finance and grants for large-scale housing retrofits

Retrofit Co-ordination Service
Consulting Service

Ensures compliant retrofit implementation for social homes

Warm Homes: SHF Wave 3 Support
Funding Service

Assists with bid support and project delivery for government funds

Funding Insights of Sero

Sero has successfully raised a total of $15.41M across 5 strategic funding rounds. 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 $15.41M
  • Total Rounds 5
  • First Round $77,327

    (Feb 2019)

  • Investors Count 4

All 5 funding rounds of Sero with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Feb 2026–Series B––
Mar 2023$7.46MSeries B$38.59MHodge Bank, Legal & General Capital
–
Jun 2021$7.87MSeries A$25.44M–
Nov 2020$9.14MGrant––
Feb 2019$77,327Seed$‒‒‒‒‒–
–
Valuation history
DateValuationStage
Mar 2023$38.59Mβ€’β€’β€’β€’β€’β€’β€’β€’
Jun 2021$25.44Mβ€’β€’β€’β€’β€’β€’β€’β€’

Last known valuation $38.59M (Mar 2023). 4 investors in total: 4 institutional.

Investors in Sero

Sero has secured backing from 4 investors, including institutional and venture fund investors. Prominent investors backing the company include Gov.uk, Hodge Bank and Legal & General Capital.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Venture capital firm investing in multiple sectors
–legalandgeneralcapital.comLondon, United Kingdom
Commercial banking services are provided to UK businesses.
1987hodgebank.co.ukCardiff, United Kingdom
Online government services and information are provided to users.
1707gov.ukLondon, United Kingdom
-
–cardiffinnovationinvestment.com-
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Investor details for Sero

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 Sero

2 people are tracked at Sero (2 in leadership).

NameRoleGroup
Andrew Sutton
Co-FounderLeadership
James Williams
Co-Founder & CEOLeadership
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Complete people profiles for Sero

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 Sero

4 dated milestones of Sero across 9 years, from founding to its latest funding, stage changes and deals.

  1. Founded Sero is founded.
  2. Funding First funding round of $77K.
  3. Milestone Reaches Minicorn status.
  4. Funding Latest funding round, Series B,.

Competitors of Sero

Sero 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 Watershed, ClimeCo, Commons, Doconomy and StepChange, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
watershed.com2019San Francisco, United States$170.46M295
Platform for enterprise sustainability measurement, reporting, and action is provided.
climeco.com2011Boyertown, United States$50M59
Environmental project development and management services are offered.
thecommons.earth2018Oakland, United States$13.9M–
Carbon footprint solutions are provided via an online tracking platform.
doconomy.com2018Stockholm, Sweden$72.82M–
Impact data for individuals and businesses is provided and managed.
stepchange.earth2022Bengaluru, India$5M42
Carbon footprint, ESG, and climate risks are managed for businesses.
greenplaces.com2021Raleigh, United States$21.48M–
Carbon footprints are calculated and offset through an online platform.
plana.earth2017Berlin, Germany$40M9
Carbon footprint calculation and offsetting solutions are developed for businesses.
carbonfact.com2021Paris, France$17.13M–
Carbon footprint solutions are provided for fashion businesses.
carbon-direct.com2019New York, United States$60.79M9
Science-backed carbon management solutions are offered to clients.
validere.com2015Toronto, Canada$65.12M–
Validere is recognized as an enterprise intelligence platform for the energy industry.
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Detailed competitors of Sero

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 Sero

The website of Sero (sero.life) receives about 2.8K visits a month.

  • Monthly visits
    2.8K

    ▼ 18% vs previous month

Latest news on Sero

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Complete news archive for Sero

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 Sero

10 companies that operate in the same segment as Sero (Pollution & Air Quality Systems), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Platform for enterprise sustainability measurement, reporting, and action is provided.
2019San Francisco, California, United StatesUSD 184.96 M–295
Weather intelligence and forecasting solutions are provided for industries.
2016Boston, Massachusetts, United StatesUSD 374 M–115
Carbon dioxide is converted into products via renewable energy technology.
2015Berkeley, California, United StatesUSD 472.37 M––
Independent ratings and risk analytics for carbon projects are provided.
2020London, England, United KingdomUSD 109.21 M––
Carbon dioxide is captured from the atmosphere by Carbon Engineering.
2009Squamish, British Columbia, CanadaUSD 107.06 M––
Cloud-based solutions for crop management and analytics are offered.
2016Durham, North Carolina, United StatesUSD 60.75 M–103
Microbe-based plant protection products and yield optimization services are provided.
2013Boston, Massachusetts, United StatesUSD 1.4 B––
Provider of modular carbon capture technology and industrial decarbonization solutions
2009London, England, United KingdomUSD 248.83 MUSD 7.24 M–
Carbon footprints are tracked via an online platform for users.
2010Wellington, New ZealandUSD 26.27 M––
A platform for logistics emissions calculation and reporting is provided.
2021London, England, United KingdomUSD 14.5 M–20
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Frequently Asked Questions about Sero

Sero was founded in 2017 and raised its 1st funding round 2 years after it was founded.

Sero is headquartered in Cardiff, United Kingdom. It is registered at Cardiff, Wales, United Kingdom.

James Williams is the current CEO of Sero. They have also founded this company.

Sero is a funded company, having raised a total of $15.41M across 5 funding rounds to date. The company's 1st funding round was a Seed of $77.33K, raised on Feb 2019.

Founded in 2017 and based in Cardiff, United Kingdom, operations are focused on the social housing sector. Retrofit services and energy solutions are delivered to housing providers, including planning, funding, and implementation of large-scale programs. Retrofit coordination is handled, along with bid support for government funding, to facilitate home improvements across the sector.

Sero's top competitors include Watershed, ClimeCo and Carbon Direct.

Sero offers Funded Retrofit Solution, Retrofit Co-ordination Service, and Warm Homes: SHF Wave 3 Support.

Sero has 4 investors. Key investors include Gov.uk, Hodge Bank, Legal & General Capital, and Innovation Investment Capital.

The valuation of Sero is $38.59M as of Mar 2023.

Sero operates through Sero Energy Limited.

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