The B Corp Certification – What is it?

B Corp, short for “Certified B Corporation,” is a private certification awarded by the non-profit organisation B Lab.

The B Corp Certification marks businesses that meet high standards for social and environmental responsibility, as verified by B Lab UK. (Source: B Lab UK)

The movement started in the US, but London has quickly become the B Corp capital of the world, with more certified businesses than any other city.

B Corp Meaning

• B Corp meaning as per B Lab (global):
  “Certified B Corporations are companies verified by B Lab to meet high standards of social and environmental performance, transparency, and accountability.” (Source: B Lab UK – What is a B Corp?
• B Corp meaning, as per The Guardian (UK media perspective):
  Being a B Corp means a few different things: it’s a way of having a rigorous, objective view of where we are doing well and where we need to work harder when it comes to our environmental and social impact. (Source: The Guardian)

To achieve B Corp certification, a company must complete the B Impact Assessment (BIA), a rigorous evaluation of its social and environmental performance, accountability, and transparency. A minimum verified score of 80 (out of 200) is required.

London’s first B Corps appeared in 2015. Growth accelerated after 2020, with local peer groups (“B Locals”) forming to support new joiners and amplify the movement’s impact

B Corp Certification in London – Stats and Insights

• Concentration: London is a significant global hub for the B Corp movement, with over 1,000 certified businesses located within the city as of late 2024. (Source: CityAM)
• London B Corps include famous names: The Guardian (media), giffgaff (telecom), FatFace (retail), Ella’s Kitchen (food), Tony’s Chocolonely (food), Danone UK & Ireland (multinational), and many boutique consultancies, tech start-ups, and agencies. (Source: The Standard)
• Sector-Specific Relevance: London’s dominance is particularly evident in its professional and financial sectors. Examples of London-based B Corps include investment consultants and financial planners who are leveraging the certification to demonstrate commitment to ethical and sustainable investment strategies.
• Growth Drivers: London’s unique drivers for B Corp growth include a deep talent pool of professionals seeking purpose-driven careers, a strong concentration of conscious consumers, and a financial services sector increasingly focused on Environmental, Social, and Governance (ESG) criteria.
• Revenue Growth and Profitability: Certified UK B Corps saw a 23.2% increase in turnover between 2023 and 2024—significantly higher than the national average of 16.8%. Historic studies (2017–2019) also found B Corp SMEs averaged 24% annual turnover growth, versus 3–5% for average UK SMEs. (Source: BusinessGreen)
• Employee Hiring and Retention: UK B Corps experienced a 9.6% increase in employee headcount in 2023–24, while businesses generally saw a 0.5% decline. B Corps reported lower staff attrition (median 8%) compared to the broader UK business population (16–20%). (Source: Maddyness)

B Corp Certification – Trends

• Fastest local growth: London’s B Corp scene doubled in size from 2022 to 2024, outpacing all UK regions.
• Awareness in the capital: 70% of Londoners recognise the B Corp logo (national average: 51%). (Source: B Lab UK)
• B Corps in London are active in campaigns for “Better Business”—many supported the Better Business Act, calling for all UK companies to consider people and planet as well as profit. (Source: B Lab UK)

The most significant trend in London is its role as a testbed for the mainstreaming of purpose-led business. The high concentration of B Corps in London’s financial and tech sectors suggests a growing trend where purpose and profit are no longer seen as opposing forces but as complementary drivers of success.

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Disclaimer: All the information provided was correct at the time of publication (September 2025) and was collected with the help of accredited tools and AI.

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