Graymatter Reply

Graymatter Reply is an integrated B2B marketing agency based in London, specializing in marketing strategies aimed at decision-makers. Founded in 1995, the company has established itself as a leader in leveraging technology and data to foster meaningful connections for its clients. With a team of 30 employees, Graymatter Reply generated $38.2 million in annual revenue as of 2025. The agency offers a comprehensive range of services, including B2B marketing strategy, campaign planning, and delivery. It also focuses on B2B marketing technology, utilizing progressive profiling of prospects, and B2B CRM services that encompass data architecture and predictive modeling. Graymatter Reply employs assisted intelligence approaches, combining AI tools with human expertise to enhance content creation and market research. The agency has expertise across various sectors, including automotive, financial services, IT, tech, software, and manufacturing, and promotes integrated sales and marketing efforts to create connected customer experiences.