TaxCalc Self Assessment Made Simple
Computers, Software, Accounting, Tax - TaxCalc Self Assessment Made Simple. TaxCalc from Intuit is the UK's best-selling self assessment tax program.
https://www.taxcalc.com/
Designs on Data Ltd.
Computers, Software, Accounting, Tax - Independence. Administration and accounting package, for freelance people, which helps deal with IR35, PAYE, and VAT.
http://www.designsondata.co.uk/
SimTax Software
Computers, Software, Accounting, Tax - SimTax. Personal income tax software for Canada.
http://www.simtax.com/
Decision Modeling Inc.:Welcome
Computers, Software, Accounting, Tax - Decision Modeling InterestNet. Performs restricted interest computations and global netted interest computations for federal interest obligations.
http://www.taxcomps.com/
BNA Software
Computers, Software, Accounting, Tax - BNA Software. Features a popular line of tax automation products designed for corporate and public tax professionals.
https://www.bnasoftware.com/