Nirma is a conglomerate based in Ahmedabad, India, involved in the manufacture of various products, including detergents, soaps, cement, cosmetics, salt, soda ash, linear alkyl benzene, and injectables.

[1] In 1969, Dr. Karsanbhai Patel, a chemist at the Gujarat Government's Department of Mining and Geology manufactured phosphate-free synthetic detergent powder, and started selling it locally.

[1][2] By 1999, Nirma was a major consumer brand, offering a range of detergents, soaps and personal care products.

[5] In November 2007, Nirma purchased American raw materials company Searles Valley Minerals Inc., making it among the top seven soda ash manufacturers in the world.

[6] Nirma Group started cement manufacturing in 2014 from a single plant in Nimbol, with a newly established company Nuvoco Vistas Corporation.