Insights

Sustainability Leadership Bulb’s commitment to 100% renewable electricity and carbon offset gas positions it as a leader in green energy solutions, offering opportunities to promote eco-friendly products and services to their environmentally conscious customer base.

Growing Market Presence With a revenue range exceeding a billion dollars and an expanding customer base across the UK, France, Spain, and Texas, Bulb presents a substantial market for energy-related innovations, smart home integrations, or green energy upgrades.

Technology Adoption Bulb’s use of advanced tech tools like Google Cloud CDN and Mixpanel indicates familiarity with digital transformation, creating potential for sales of SaaS solutions, customer engagement platforms, or energy management technologies.

Financial and Acquisition Dynamics Despite recent ownership challenges and an acquisition process involving major players like Octopus Group, Bulb’s financial momentum and partner collaborations highlight opportunities for value-added services focusing on energy efficiency and financial solutions.

Community & Advocacy Engagement Partnerships with organizations such as Citizens Advice and Tech Nation demonstrate Bulb’s active engagement in social initiatives, presenting prospects for CSR collaborations, customer support solutions, or community-focused energy programs.

Bulb Tech Stack

Bulb uses 8 technology products and services including Mixpanel, Google Cloud CDN, jsDelivr, and more. Explore Bulb's tech stack below.

  • Mixpanel
    Analytics
  • Google Cloud CDN
    Content Delivery Network
  • jsDelivr
    Content Delivery Network
  • iOS
    Programming Languages
  • Metasploit
    Security Information And Event Management
  • Bootstrap
    UI Frameworks
  • YouTube
    Video Players
  • Google Hangouts
    Web Conferencing

Media & News

Bulb's Email Address Formats

Bulb uses at least 1 format(s):
Bulb Email FormatsExamplePercentage
FirstLast@bulb.co.ukJohnDoe@bulb.co.uk
89%
First@bulb.co.ukJohn@bulb.co.uk
9%
FirstL@bulb.co.ukJohnD@bulb.co.uk
1%
First.L@bulb.co.ukJohn.D@bulb.co.uk
1%

Frequently Asked Questions

Where is Bulb's headquarters located?

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Bulb's main headquarters is located at London, GB. The company has employees across 5 continents, including EuropeAsiaNorth America.

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

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Bulb's official website is bulb.co.uk and has social profiles on LinkedIn.

How much revenue does Bulb generate?

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As of October 2025, Bulb's annual revenue is estimated to be $5B.

What is Bulb's NAICS code?

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Bulb's NAICS code is 22 - Utilities.

How many employees does Bulb have currently?

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As of October 2025, Bulb has approximately 501 employees across 5 continents, including EuropeAsiaNorth America. Key team members include Chief Of Staff: N. S.Head Of People Operations: C. C.Head Of Revenue Service: N. B.. Explore Bulb's employee directory with LeadIQ.

What industry does Bulb belong to?

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Bulb operates in the Utilities industry.

What technology does Bulb use?

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Bulb's tech stack includes MixpanelGoogle Cloud CDNjsDelivriOSMetasploitBootstrapYouTubeGoogle Hangouts.

What is Bulb's email format?

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Bulb's email format typically follows the pattern of FirstLast@bulb.co.uk. Find more Bulb email formats with LeadIQ.

How much funding has Bulb raised to date?

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As of October 2025, Bulb has raised $76M in funding. .

When was Bulb founded?

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Bulb was founded in 2014.
Bulb

Bulb

UtilitiesLondon, United Kingdom501-1000 Employees

Bulb provided 100% renewable electricity to homes in the UK, France, Spain and Texas and 100% carbon offset gas in the UK. It supplied green energy as standard, with fair, transparent pricing, and technology to help its members manage and reduce their energy use. It was the first UK energy supplier to become a certified B Corp.

Section iconCompany Overview

Headquarters
London, GB
Website
bulb.co.uk
NAICS Code
22 - Utilities
Founded
2014
Employees
501-1000

Section iconFunding & Financials

  • $76M

    Bulb has raised a total of $76M of funding over 1 rounds. .

  • $1B$10B

    Bulb's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $76M

    Bulb has raised a total of $76M of funding over 1 rounds. .

  • $1B$10B

    Bulb's revenue is estimated to be in the range of $1B$10B

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