Harvey raises $550 million and adds agent-security capability

On September 9, Reuters reported that Harvey raised $550 million at a $15.5 billion valuation and acquired agent-security company Guardrails AI, its fourth acquisition of 2026; the acquisition terms were not disclosed. Harvey said it serves 80% of the 100 highest-grossing US firms, a company-supplied figure that reflects its enterprise concentration rather than mid-market coverage. For mid-sized buyers, the financing increases the likelihood that leading vendors will combine workflow, security and implementation capabilities inside broader platforms. Procurement should therefore address data portability, acquired-product integration, price-change rights and exit assistance before a tool becomes embedded in core matters.