[2] In 1998 a revision of the Charter enabled the organization to diversify and acquire other businesses, and the trading name was changed to BSI Group.

These products are commissioned by individual organizations and trade associations to meet their needs for standardized specifications, guidelines, codes of practice etc.

BSI also runs training courses that cover the implementation and auditing requirements of national and international management systems standards.

It is independently accredited[10] and assesses a wide range of standards and other specifications including: Within Testing Services, BSI's best known product in the UK is the Kitemark, a registered certification mark first used in 1903.

Within Healthcare, BSI provides regulatory and quality management reviews and product certification for medical device manufacturers in Europe, the United States, Australia, Japan, Taiwan, Canada and China.

In 2021, BSI Group, supported by the Construction Products Association,[30] led the development of a system known as BSI Identify, which has been established in response to Dame Judith Hackitt's recommendation that The built environment sector ... needs to accelerate the adoption of readily available means of providing product traceability.