Adsum
101 Reviews
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Romy Lewis
Posted 27 Oct 2025
Helpful, Time Saving Software
It is really helpful to see all of our clients tax positions in one place. It enables us to be proactive when advising clients and it saves a lot of time. I am also looking forward to seeing how this software progresses with the use of AI.
Darren Buckley
Posted 24 Oct 2025
An Accountants Dream!
An immensely intuitive solution that powers accountants to be the proactive advisor their client needs when it comes to tax compliance. Having this single platform to connect our agent accounts has meant we are able to spot any issues way before the fact, saving them from potential penalties.
LG
Luke Green
Posted 24 Oct 2025
Really Helpful Tool
The OpenTax feature gives a great overview of our clients tax affairs and allows us to be proactive with clients advising when taxes are becoming due and overdue. This is an app that definitely provides useful time saving opportunities and increases proactiveness when advising clients!
MC
Michael Cloke
Posted 23 Oct 2025
Intuitive and helpful tool
Opentax is a really helpful tool for seeing everything in one place. It simply doesn't exist on HMRC (or anywhere else that I've found for that matter) so it's a great overview on all the tax positions for all of our clients all at once and I'm excited to see how they keep building out the agentic AI side.
LD
Luke Downing
Posted 23 Oct 2025
Easy to use and powerful tool
We have been using adsum as an alternative to see what clients owe HMRC for PAYE, Corporation Tax, VAT and Self Assessment and it has been great. A easy to use interface that is always pulling the latest information from HMRC. We have also been using their new Opentax product and It has been handy and looks like it has a lot of potential to grow and become a key feature used in our practice
KC
Karen Crosdale
Posted 23 Oct 2025
I have started using Adsum recently and the software is incredibly intuitive. It provides good workflow. I would highly recommend the software.
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