S&P Global Ratings affirmed Marex Group plc’s rating at BBB- with a stable outlook on September 23, 2025. Concurrently, S&P assigned a first-time long-term Issuer Default Rating (IDR) of BBB to Marex Capital Markets Inc. (MCMI), its US-based subsidiary.
S&P stated that it considered recent short-seller allegations in its ratings analysis, along with management’s response, and concluded that its analysis of Marex remains unaffected. The rating agency expects the allegations are unlikely to have a material impact on Marex’s franchise.
Ian Lowitt, CEO of Marex, commented that the affirmation of the overall rating validates the company's strategy of building a resilient and strongly capitalized business. The new rating for MCMI recognizes the growth and significance of Marex’s US operations to the Group, further bolstered by S&P's dismissal of the short seller report allegations.
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