At Adsum, we believe that managing taxes and compliance should be simpler. Founded by a team of entrepreneurs, accountants, and technologists, we create innovative tools to help professionals spend less time on busywork and more time driving growth.
OpenTax, our flagship product for accountants and bookkeepers, offers a real-time dashboard for managing all client tax submissions and payments.
OpenTax eliminates the need for daily HMRC check-ins and manual Agent Account reviews by automating updates, instantly highlighting changes, and sending alerts for deadlines and payments. With streamlined client reminders and collaboration tools, it saves time, ensures complete oversight, and helps you deliver greater value to your clients.