PT. Grin Solusi Indonesia (GRINS) is an Indonesian provider of professional training, BNSP certification, and environmental consultancy, affiliated with Achmad & Associates Group. Since 2020, it has supported industries, institutions, and professionals in developing practical skills and meeting environmental regulatory requirements. Its programs are delivered by experienced industry practitioners and experts, with training available online, offline, in-house, and in hybrid formats. Courses and certifications cover water and wastewater management, air pollution control, hazardous waste management, occupational health and safety, and oil and gas, including drilling and well operations.

GRINS also provides environmental consulting to help organizations strengthen compliance and make informed decisions. Services include preparing environmental documents such as AMDAL and UKL-UPL, PROPER assistance, and technical approval documentation, as well as environmental studies such as social mapping, CSR, biodiversity, strategic environmental assessment, and spatial analysis using GIS. Working with BNSP-accredited certification bodies and other partners, GRINS aims to build capable professionals and support more sustainable industry practices. Its clients span sectors including hospitality, healthcare, industry, and government.