Insights

Strong Sustainability Credentials Bulb's commitment to 100% renewable electricity and carbon offset gas positions it as a green energy leader, appealing to eco-conscious consumers and organizations seeking to enhance their sustainability profile.

Recent Acquisition Challenges Although Bulb was acquired by Octopus Group and later transferred to Octopus Energy, ongoing legal disputes and challenges suggest potential opportunities for competitors or partners to offer alternative solutions or collaborate in supporting affected customers.

Innovative Customer Engagement The launch of referral programs and partnerships with brands like Samsung demonstrates Bulb’s focus on customer engagement and innovative tech integrations, highlighting opportunities to introduce advanced energy management solutions.

Growth in Tech Collaboration Partnerships with tech firms and participation in initiatives like the Tech Zero Taskforce indicate a tech-forward approach, creating avenues to promote smart energy products and digital energy management services.

Market Position and Financials With a revenue between 50 and 100 million dollars and significant funding, Bulb is a notable player in the UK green energy sector, offering potential as a partner or target for innovative energy solutions that align with its sustainability goals.

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, England United Kingdom. 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 February 2026, 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 February 2026, Bulb has approximately 175 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 February 2026, Bulb has raised $76M in funding. .

When was Bulb founded?

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Bulb was founded in 2014.

Bulb

UtilitiesEngland, United Kingdom51-200 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, England United Kingdom
Website
bulb.co.uk
NAICS Code
22 - Utilities
Founded
2014
Employees
51-200

Section iconFunding & Financials

  • $76M

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

  • $50M$100M

    Bulb's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $76M

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

  • $50M$100M

    Bulb's revenue is estimated to be in the range of $50M$100M

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