Recent Articles
Non-resident tax calculation explained
The starting point: what non-residents are taxed on A UK non-resident individual (determined under the Statutory Residence Test, FA 2013 Sch 45) is...
rating 13 Aug, 2026 Views: 3
CloudConnect connection issues
The CloudConnect version of TaxCalc uses a locally installed version of the program which then connects to the database held in the cloud. This...
rating 12 Aug, 2026 Views: 9224
Known issues in the latest released version of TaxCalc
Below is a list of notable issues that have been reported in recent versions of TaxCalc since their release. Other issues may exist that have not...
rating 10 Aug, 2026 Views: 62469
MTD Quarterly Filer - Known Errors
From initial testing we have established the following issues when setting up/submitting quarterly updates: NOTE: We are experiencing a lot of...
rating 06 Aug, 2026 Views: 8370
TaxCalc and ISO27001 accreditation
TaxCalc has ISO27001 accreditation. Additional information can be found on our Blog post:...
rating 31 Jul, 2026 Views: 49


Most Viewed
TaxCalc Release Notes 2026
Below are the Release Notes for TaxCalc 2026 releases. Click to see the Release Notes for 2013-2019 > 2020-2024 > 2025 Please note we phase...
rating 30 Jul, 2026 Views: 225378
What is a 1046 authentication error?
When you receive a 1046 error message in TaxCalc (as shown above) after attempting to file tax return, it will be due to one of the following: ...
rating 13 May, 2025 Views: 146486
Update to refunds made by HMRC
On 1st April 2015, HMRC updated their system to change the way they allocate repayments of overpaid tax. HMRC will only process the refund using...
rating 14 Feb, 2023 Views: 115692
Useful HMRC links and contact numbers
Personal Tax How to pay HMRC – Different ways to pay your Income Tax or Capital Gains Tax Online Services Helpdesk – Help signing up for...
rating 28 Jun, 2017 Views: 111436
How do I download TaxCalc?
To download and install TaxCalc on a new computer, or update it on a computer that already uses TaxCalc, we recommend viewing our video tutorial...
rating 25 Oct, 2022 Views: 103642



Need more help
choosing the right
products?

Please contact our team on 0345 5190 882