Insights

Scalable Energy Hello Watt operates at a European scale with a significant installed base and growing team, presenting opportunities to upsell larger residential projects and potential expansion into adjacent markets such as small commercial deployments and joint ventures with utilities.

Digital Optimization The Hello Watt app and automation for monitoring and optimizing electricity and gas usage creates a compelling platform for offering advanced energy management services to homeowners, including data-driven energy audits, demand response readiness, and premium features for peak shaving.

Integrated Solutions End-to-end offerings including solar installations, batteries, heat pumps, and EV charging stations position Hello Watt to partner with hardware manufacturers and installers, enabling bundled retrofit packages and financing arrangements.

Sustainability Focus Mission centered on decarbonization and electrification aligns with growing demand for ESG-aligned customer communication, enabling partnerships with green finance providers, sustainability consultants, and government incentive programs.

Financial Leverage With revenue in the 1-10M range and a $13M funding runway, there is room to propose value-added services, tiered subscription models, and enterprise-grade deployments to accelerate revenue per customer and explore strategic partnerships with energy providers.

Hello Watt Tech Stack

Hello Watt uses 8 technology products and services including iCIMS, SQL, Lazy.js, and more. Explore Hello Watt's tech stack below.

  • iCIMS
    Applicant Tracking Systems
  • SQL
    Database
  • Lazy.js
    Javascript Frameworks
  • Django Cross Site Request Forgery protection
    Middleware Software
  • Microsoft
    Miscellaneous
  • Trustpilot
    Online Review Management
  • Notion
    Page Builders
  • Android
    Programming Languages

Hello Watt's Email Address Formats

Hello Watt uses at least 1 format(s):
Hello Watt Email FormatsExamplePercentage
First.L@hellowatt.frJohn.D@hellowatt.fr
69%
First@hellowatt.frJohn@hellowatt.fr
31%

Frequently Asked Questions

What is Hello Watt's official website and social media links?

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Hello Watt's official website is hellowatt.fr and has social profiles on LinkedInCrunchbase.

How much revenue does Hello Watt generate?

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

What is Hello Watt's NAICS code?

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Hello Watt's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Hello Watt have currently?

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As of July 2026, Hello Watt has approximately 216 employees across 2 continents, including EuropeAfrica. Key team members include Ceo & Founder - Hiring !: S. L. F.Cfo, Head Of Price Comparison Business Unit: M. D.Chief Marketing Officer: J. B.. Explore Hello Watt's employee directory with LeadIQ.

What industry does Hello Watt belong to?

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Hello Watt operates in the Environmental Services industry.

What technology does Hello Watt use?

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Hello Watt's tech stack includes iCIMSSQLLazy.jsDjango Cross Site Request Forgery protectionMicrosoftTrustpilotNotionAndroid.

What is Hello Watt's email format?

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Hello Watt's email format typically follows the pattern of First.L@hellowatt.fr. Find more Hello Watt email formats with LeadIQ.

How much funding has Hello Watt raised to date?

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As of July 2026, Hello Watt has raised $13M in funding. The last funding round occurred on Nov 06, 2023 for $13M.

When was Hello Watt founded?

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Hello Watt was founded in 2017.
Hello Watt logo

Hello Watt

Environmental ServicesÎle-de-France, France201-500 Employees

Hello Watt is an environmental services company focused on making the energy transition simple and accessible to individuals. It offers the Hello Watt application to monitor and optimize electricity and gas use, helping households take control of their consumption and reduce their energy bills. In addition, it provides turnkey installations across France, including solar panels, batteries, heat pumps, and charging stations, which can be controlled from the app to support decarbonization and electrification of homes. 

The company is based in Paris, Île-de-France, and serves households in France and throughout Europe. It relies on a sizable team to advance its platform and services, and the app has been downloaded by more than two million people.

Section iconCompany Overview

NAICS Code
54162 - Environmental Consulting Services
Founded
2017
Employees
201-500

Section iconFunding & Financials

  • $13M

    Hello Watt has raised a total of $13M of funding over 1 rounds. Their latest funding round was raised on Nov 06, 2023 in the amount of $13Mas a series_a.

  • $1M - $10M

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

Section iconFunding & Financials

  • $13M

    Hello Watt has raised a total of $13M of funding over 1 rounds. Their latest funding round was raised on Nov 06, 2023 in the amount of $13Mas a series_a.

  • $1M - $10M

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

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