Home / Academy / Sustainability & ESG / What is B Corp Certification?
Sustainability & ESGIntermediate6 min read

What is B Corp Certification?

An explanation of B Corp certification — what it measures, what the assessment and verification process involves, and whether it is right for your SME.

Key Takeaways

  • B Corp certification is awarded to businesses that meet high standards of social and environmental performance, accountability and transparency.
  • Certification requires a verified score of 80+ on the B Impact Assessment and a legal commitment to stakeholder governance.
  • The process typically takes one to three years for SMEs and requires significant evidence gathering.

What B Corp certification means

B Corp certification is awarded by B Lab, a non-profit organisation, to businesses that demonstrate high standards of social and environmental performance, public transparency and legal accountability. It is not a product certification or a legal structure — it is a certification of overall business practice. Certified B Corps commit to balancing profit with purpose and to considering the impact of their decisions on workers, customers, communities and the environment. The certification is recognised internationally and is increasingly valued by consumers, talent and institutional buyers as a meaningful mark of responsible business.

The assessment process

The B Impact Assessment (BIA) is a free online tool that evaluates performance across five categories: governance, workers, community, environment and customers. To achieve certification, a business must score at least 80 out of 200 points on the verified assessment. The free assessment can be completed as a diagnostic without committing to certification. To proceed, you submit supporting documentation for verification by B Lab analysts, update your legal governing documents to include stakeholder consideration, and pay an annual certification fee based on your turnover. Most SMEs find the process takes one to three years from first assessment to certification.

Is B Corp right for your business?

B Corp certification is not right for every business. It is most valuable if your customers, investors or talent pool actively value it, or if it aligns with your founders' genuine purpose. The process is demanding — it requires real operational changes, not just documentation, and re-certification every three years maintains ongoing accountability. Businesses that treat it as a marketing exercise tend to struggle with verification. Those that use the BIA as a genuine improvement tool — regardless of whether they ultimately certify — typically find it valuable for identifying gaps in governance, employment practices and environmental management.

Related Articles

What is ESG?5 min · BeginnerWhat is Social Value?5 min · BeginnerWhat is Corporate Governance for SMEs?5 min · BeginnerWhat is DEI and Why Does it Matter?5 min · Beginner