Thatch, a San Francisco-based healthtech startup, has secured $40 million in Series B funding led by Index Ventures, with participation from Andreessen Horowitz and General Catalyst, bringing total funding to $84.5 million since its inception in October 2021. The company, which offers Individual Coverage Health Reimbursement Arrangements (ICHRA) to employers, has seen its valuation triple since its Series A round in February 2024 and has onboarded over 1,000 companies, including Dave’s Hot Chicken and Jersey Mike’s. Thatch plans to utilize the new funds to enhance its platform and expand within the employer-sponsored healthcare sector.