We’re an industry-leading software and data consultancy operating in London and Birmingham, UK. For over 20 years we’ve helped companies build products, drive innovation, and unlock the hidden growth levers in their data. From validation of your product’s features through to working with billion user-scale datasets: we’re experts at collecting, storing, and processing vast quantities of data. D4 gives you the tools and expertise you need to make sense of your data and deliver ongoing value to your organisation. We work to understand your problems and goals so we can provide the right combination of future-proof analytics software and processes to help you thrive in a data-driven future. We use best-in-class software, our own proprietary tools, and open-source technologies to help you turn data into actionable insight.