Insights

Sustainability Focus Sero is a B-Corp serving the renewable energy sector with a clear mandate to help social housing landlords accelerate green retrofit programs, positioning them as a turnkey partner for net zero and energy cost reduction.

Target Market Primary customers are landlords in social housing seeking large-scale retrofit planning, funding, and implementation, suggesting opportunities to offer integrated energy, retrofit finance, and management solutions.

Tech & Delivery Combined use of energy, finance, retrofit expertise and tech stack including cloud platforms and containers implies capability for scalable, data-driven project management and performance tracking for retrofit programs.

Growth Signals Current revenue range and funded status indicate a growing, mid-sized company with room to scale partnerships, co-investment opportunities, and expansion into additional housing authorities or regions.

Strategic Partnerships B-Corp credibility and focus on social housing wellbeing present a compelling case for partnership with multinational energy suppliers, financing bodies, and government grant programs to unlock larger retrofit initiatives.

Sero Tech Stack

Sero uses 8 technology products and services including Kubernetes, Microsoft Outlook, Google Cloud Platform, and more. Explore Sero's tech stack below.

  • Kubernetes
    Containerization
  • Microsoft Outlook
    Email
  • Google Cloud Platform
    Infrastructure As A Service
  • Microsoft Office
    Office Suites
  • macOS
    Operating Systems & Computing Languages
  • C
    Programming Languages
  • Node.js
    Programming Languages
  • Google
    Search Engines

Media & News

Sero's Email Address Formats

Sero uses at least 2 format(s):
Sero Email FormatsExamplePercentage
First.Last@sero.lifeJohn.Doe@sero.life
64%
First@sero.lifeJohn@sero.life
32%
First.Middle@sero.lifeJohn.Michael@sero.life
4%

Frequently Asked Questions

What is Sero's stock symbol?

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Sero is a publicly traded company; the company's stock symbol is TLK.

What is Sero's official website and social media links?

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Sero's official website is www.sero.life and has social profiles on LinkedInCrunchbase.

How much revenue does Sero generate?

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As of July 2026, Sero's annual revenue is estimated to be $1M - $10M.

What is Sero's NAICS code?

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Sero's NAICS code is 5416 - Management, Scientific, and Technical Consulting Services.

How many employees does Sero have currently?

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As of July 2026, Sero has approximately 134 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Chief Commercial Officer (cco): E. W. M.Head Of Projects: J. M.Head Of People & Customer: K. A.. Explore Sero's employee directory with LeadIQ.

What industry does Sero belong to?

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Sero operates in the Services for Renewable Energy industry.

What technology does Sero use?

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Sero's tech stack includes KubernetesMicrosoft OutlookGoogle Cloud PlatformMicrosoft OfficemacOSCNode.jsGoogle.

What is Sero's email format?

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Sero's email format typically follows the pattern of First.Last@sero.life. Find more Sero email formats with LeadIQ.

How much funding has Sero raised to date?

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As of July 2026, Sero has raised $15M in funding. The last funding round occurred on Apr 20, 2023 for $7.5M.

When was Sero founded?

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Sero was founded in 2017.
Sero logo

Sero

Services for Renewable EnergyWales, United Kingdom51-200 Employees

Sero is a mid-sized renewable energy services company based in Cardiff, Wales. A B-Corp, it collaborates with landlords in the social housing sector to plan, finance, and implement large-scale retrofit programs, combining expertise in energy, retrofit, and finance with its technology.

As an Energy Services Company, Sero focuses on helping landlords achieve Net Zero and on supporting residents to transition to greener homes while reducing energy bills. Its services address the needs of social housing providers seeking scalable, managed retrofit initiatives. The organization operates within the renewables services industry, aiming to advance energy-efficiency improvements for housing stock.

Section iconCompany Overview

Stock Symbol
TLK
NAICS Code
5416 - Management, Scientific, and Technical Consulting Services
Founded
2017
Employees
51-200

Section iconFunding & Financials

  • $15M

    Sero has raised a total of $15M of funding over 2 rounds. Their latest funding round was raised on Apr 20, 2023 in the amount of $7.5Mas a series_unknown.

  • $1M - $10M

    Sero's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $15M

    Sero has raised a total of $15M of funding over 2 rounds. Their latest funding round was raised on Apr 20, 2023 in the amount of $7.5Mas a series_unknown.

  • $1M - $10M

    Sero's revenue is estimated to be in the range of $1M - $10M

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