Simplex Castings Ltd has received an upgrade in its long-term credit rating from Crisil to BB/Stable, with reaffirmation of the short-term rating at A4+, reflecting a healthy revenue growth from Rs. 122.8 crore in FY24 to over Rs. 170 crore in FY25 and improved profitability from 15% to 18%. The announcement was made on May 8, 2025, but pertains to ratings assigned on May 6, 2025.