"The tax return is too difficult for a mathematician,

It takes a Philosopher."

— Albert Einstein

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For more Americans than realize it, doing their taxes is more than just filling out a set of difficult forms. There is a philosophy, best summed up by …

There is nothing sinister in so arranging one's affairs as to keep taxes as low as possible. Everybody does so, rich and poor; and all do right, for nobody owes any public duty to pay more than the law demands.

— Justice Learned Hand

The McKernan Corp is a Tax Consulting–Accounting firm, located in King of Prussia, Pennsylvania — one of the principal commercial and residential hubs in the western Philadelphia suburbs.

Since our founding 48 years ago in 1971, our focus has been on providing friendly, relaxed and knowledgable tax-related service to our clients — small- to medium- sized businesses and individuals. We are a small, local firm and take a personal interest in the needs of our clients

Let us put our experience to work for you!

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Next Estimated Tax Due Dates

If it seems that tax due dates are always just around the corner — it's because they are. Don't miss those important Estimated Tax Payments.

Individuals:

3rd Quarter Estimate Due:
Mon, Sep 16, 2019
(90 days)

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Corporations:

3rd Quarter Estimate Due:
Mon, Sep 16, 2019
(90 days)

  Show all remaining

"For an illustration of the difference between proportionate and progressive taxation, we can look to the Bible. There, tithing is explained as the economic basis of our Judaic-Christian religions. The Lord says you shall contribute one-tenth and He says, 'If I prosper you 10 times as much you will give 10 times as much.' That is proportionate -- but look what happens today when you start computing Caesar's share. A man of average income who suddenly prospered ten times as much would find his personal income tax increased 43 times."
—Ronald Reagan

"For an illustration of the difference between proportionate and progressive taxation, we can look to the Bible. There, tithing is explained as the economic basis of our Judaic-Christian religions. The Lord says you shall contribute one-tenth and He says, 'If I prosper you 10 times as much you will give 10 times as much.' That is proportionate -- but look what happens today when you start computing Caesar's share. A man of average income who suddenly prospered ten times as much would find his personal income tax increased 43 times."
—Ronald Reagan