Mansion House Reply | 3,230 followers on LinkedIn. Mansion House Reply | Mansion House Reply is a specialist financial services consultancy and part of the Reply Group, a global leader in digital services, technology consulting and systems integration. Formerly Mansion House Consulting, the business became part of Reply following its acquisition, combining deep financial services expertise with Reply’s global scale, innovation capability and technology-led approach. We support banks, insurers, asset managers and fintechs in navigating complex change across strategy, regulation, operations and digital transformation.