Insights

Sustainability leadership Bulb was a 100% renewable electricity provider with 100% carbon offset gas and was the first UK energy supplier to become a certified B Corp. This positions them as a sustainability leader, suggesting strong alignment with customers prioritizing green energy, which sales teams can leverage when targeting environmentally conscious businesses and households.

Transition momentum Despite past financial turmoil and administration in 2021 and subsequent acquisition activity in 2022, Bulb’s history shows widespread customer onboarding and brand recognition. This indicates potential opportunity for re-engagement campaigns, referral-driven growth, and partnerships with energy brokers or fintech platforms seeking to resell or bundle green energy services.

Strategic partnerships Bulb’s collaborations with Citizens Advice Plymouth, Tech Zero Taskforce, and Level39 reflect a network-friendly approach and channels for outreach. Sales teams can pursue partnerships or affiliate programs with consumer advocacy groups, tech ecosystems, and energy efficiency initiatives to reach households and SMEs interested in billing transparency and sustainability.

Technology stack readiness Bulb uses modern cloud and analytics tools (Google Cloud, Azure AD, Looker, Splunk) and payments (Stripe). This indicates a tech-savvy organization with potential for data-driven energy management solutions, smart home integrations, or demand-side management services that can be offered as add-ons or platform partnerships.

Market positioning Operating across multiple regions and offering transparent pricing, Bulb appeals to customers seeking simplicity and fairness in energy. Sales opportunities exist in cross-sell of efficiency services, green corporate energy programs, and B2B energy procurement solutions aimed at mid-market customers who value sustainability credentials and reliable carbon accounting.

Similar companies to Bulb

Bulb Tech Stack

Bulb uses 8 technology products and services including Looker, Nessus, Adobe Creative Cloud, and more. Explore Bulb's tech stack below.

Media & News

Bulb's Email Address Formats

Bulb uses at least 4 email formats:
Bulb Email FormatsExamplePercentage
FirstLast@bulb.co.ukJohnDoe@bulb.co.uk
87%
First@bulb.co.ukJohn@bulb.co.uk
10%
FirstL@bulb.co.ukJohnD@bulb.co.uk
2%
First.L@bulb.co.ukJohn.D@bulb.co.uk
1%

Frequently Asked Questions

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 August 2026, Bulb's annual revenue is estimated to be $50M - $100M.

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 August 2026, Bulb has approximately 173 employees across 4 continents, including Europe, Asia and North America. Key team members include Cfo: S. S., Vice President Marketing: R. D. and Head Of People Operations: C. C. 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 Looker, Nessus, Adobe Creative Cloud, Azure Active Directory, Google Cloud, Splunk, Trustpilot and Stripe.

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.

When was Bulb founded?

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Bulb was founded in 2014.
Bulb logo

Bulb

UtilitiesEngland, United Kingdom51-200 Employees

Bulb was a utilities provider focused on renewable energy, supplying electricity drawn entirely from renewable sources to households in the UK, France, Spain, and Texas, and offering UK gas that was carbon-offset. The company emphasized transparent pricing and technology to help customers monitor and reduce their energy use. It was the first UK energy supplier to achieve B Corp certification.

Headquartered in London, England, Bulb operated in the residential utilities market and had engaged in partnerships to support customers facing fuel poverty. In 2021, Bulb was acquired by Octopus Group.

Section iconCompany Overview

Website
bulb.co.uk
NAICS Code
22 - Utilities
Founded
2014
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

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

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