On the 10th anniversary of the Cyber Essentials accreditation scheme, the NCSC has urged all organisations to make it a foundational part of their cyber resilience.
The UK government has conducted an impact evaluation and it makes interesting reading, and supports the idea that all organisations should consider the accreditation; you can read it at https://www.gov.uk/government/publications/cyber-essentials-scheme-impact-evaluation/cyber-essentials-impact-evaluation.