Contact

Email feedback on any tool, example or evaluation, including a result you could not reproduce, to ryan@duguid.com.au.

For professional connections, find me on LinkedIn. You can also review my accounting work samples.

I am not a registered tax agent or BAS agent. I do not take requests for advice, return preparation, confirmation of tax treatment or lodgement.

Feedback on a tool or example

Tell me which tool or page you used, what you expected and what happened, or where the working is unclear. A useful report names the input, the output and the source behind the figure you expected. Use fictional or supplied synthetic figures only.

For the fictional Newcastle cash flow case, include your Excel version, receipt delay setting and the step you took. Email ryan@duguid.com.au.

For source code, releases and issue trackers, use the linked GitHub repositories.

Do not email taxpayer information, client records, credentials or confidential files, or post them to public repositories.

Email feedbackryan@duguid.com.au
Website issuesReport a website issue on GitHub
GitHubgithub.com/ryanduguid
Based inNewcastle, NSW, Australia
LinkedInlinkedin.com/in/ryan-duguid

Published 30 August 2026. Last reviewed 26 September 2026.