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Introduction
PORTAX is a
64 bit Windows desktop application that primarily assists investors and
financial advisors with medium and long term strategic taxable portfolio
analysis. This includes asset
allocation, asset location with multiple tax entities, cash management and tax
planning. PORTAX also has the ability to plan
investment funding for corporate projects and solve taxable and non-taxable
institutional spending requirements. PORTAX can do all the above analysis
in any stable international currency and includes preset tax tables for over 50
countries including states, provinces and selected municipalities.
PORTAX was developed in 1994 as an in-house proprietary software tool to assist
high net worth investors with low cost basis investments and assist utilities
with funding for planned decommissioning of nuclear power plants. These two diverse tasks both require
multi-period analysis with detailed tax considerations. Over the years, different clients
requested direct access to PORTAX and the project gradually became a commercial
software package for tax sensitive investors and financial advisors.
The original focus and continued development for PORTAX is on the
financial engine. The software is
open architecture with extensive documentation including citations for various
technical procedures used in the software.
Open architecture means that a PORTAX user has control of all the inputs
to the model and access to all the formulas used in the output with the
exception of some heuristics used in the optimizer. One of the design goals is to make
the PORTAX calculations as comprehensible and verifiable as possible.
Investing in a taxable environment over a
multi-year and in some cases multi-generational horizon can involve complex
issues. The next section on Taxable
Investing is a brief overview that is helpful background for understanding the
design and purpose of the PORTAX software.
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PORTAX Highlights August 2022
New release Version 9.3b:
• This annual update is
for the International Tax Tables that
cover the top marginal individual and corporate tax rates in
over 50 countries and over 160 tax jurisdictions.
PORTAX Multi-period, After-Tax Optimization
Below are a series of International Maps highlighting major tax jurisdictions.
The actual PORTAX International Tax Tables also include additional tax
jurisdictions.
2022
USA Combined Federal and State Tax Rates
2022
Canada Combined Federal and Province Tax Rates
2022 Europe Combined Tax Rates
2022 Asia Oceania Tax Rates
Click on images to enlarge ...
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