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Corporation Tax Calculators and UK Accountancy Software
Income Tax Calculator UK
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Accountancy Software
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Customer Administration Site How to Purchase Register/Login & Download
Welcome to the BTCSoftware Customer Administration website. Here you can register with us and maintain your details. You can also download the latest versions of our products to evaluate or to upgrade software.

You can also purchase our solutions either for the first time or on a renewal basis. For more in depth information about us and our products please visit our Information Website.
New Clients
Just register on our website to download a free 15 day trial. We will not to share your information with anyone else pester you like pushy salespeople. We'll only check to see if you have any questions and then leave you to it. Our Support team will be happy to help with any technical issue or take you through a full online demo.

All downloads are working software with only the online filing disabled and a watermark across any print output. So none of your evaluation time is wasted. You can take real returns up to the point of submission, purchase only when totally happy and be filing in minutes. The record is 25 minutes IN TOTAL for 2 self-assessment returns – it really is that easy!

Watch video guides within the software on the completion of different tax returns to see just how intuitive, well designed and easy to use tax software can be. If still unconvinced book an online demo session – from a member of our Support team – not a sales person.
Existing Clients
To download the latest update for your existing products simply log in to the website and visit your personalised download page where you will find the latest downloads for the products you have purchased.

To download and trial a new product just login and go to our main download page where you will find our complete product set, all of which you can trial for 15 days without any obligation.

On our product version history page is the version history of our products by release date where you can see which features and bug fixes were issued for a particular product release. Yes - we do sometimes find bugs but always admit to any problems and fix them quickly.

In case you want to download an older version of one of our products then just visit the historic downloads page.
Income Tax Calculator
UK Corporation Tax Software
Online Account Filing
Income Tax Calculators
BTC Accountancy Software
Electronic Account Filing
Companies House Approved
HMRC Approved Accounting Softwate
Tax calculator
HMRC tax calculator
Business tax software
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