Tax Planning for High Income Earners: Levers and Trade-Offs

What is tax planning for high income earners?

Tax planning for high income earners is the practice of coordinating pay, retirement and health savings accounts, investment timing, charitable giving, and tax payments so that taxes are considered before decisions are made, not after. Each lever carries trade-offs, and how a rule applies depends on your situation, so confirm details with a qualified tax professional.

This article is general education, not tax, legal, or investment advice. Rules change and individual circumstances matter. Tax rules and figures below are as of October 19, 2026, and cite IRS material.

Talk through whether high income tax planning fits your situation

Why high income tax planning looks different

Higher income can change more than your tax bracket. Some taxes apply only above income thresholds, and some benefits shrink or disappear as income rises. High income individual tax planning usually starts by finding which of those thresholds are close to your own numbers, and then asking which choices are still open this year.

This guide is written for consultants, lawyers, finance professionals, and other corporate professionals whose pay is high and often uneven. You can read more on our professional services page. Year-end matters because some steps, such as payroll deferrals, generally have to be completed within the calendar year, while others, such as certain IRA contributions, can generally be made until the filing deadline. Our financial order of operations guide covers where these levers sit among other priorities.

Nothing below is a recommendation to take any action. Each section describes a general lever people commonly raise with a tax professional, and each one has costs.

1. Know which extra taxes may apply to you

Two taxes are aimed at higher incomes. The IRS describes a 0.9% Additional Medicare Tax on Medicare wages and self-employment income above $250,000 for married filing jointly, $125,000 for married filing separately, and $200,000 for all other taxpayers. An employer must begin withholding it once wages for the year exceed $200,000, regardless of filing status, so the amount withheld and the amount owed can differ (IRS, Topic no. 560, accessed October 19, 2026).

The IRS also describes a 3.8% net investment income tax. It applies to the lesser of your net investment income or the amount your modified adjusted gross income (MAGI) exceeds $250,000 for married filing jointly, $125,000 for married filing separately, or $200,000 for single or head of household. Net investment income generally includes interest, dividends, and net gains from selling investments, and does not include wages (IRS, Topic no. 559, accessed October 19, 2026).

Potential benefit: knowing the thresholds in advance may help you see which income, such as a bonus or an investment sale, pushes you over them. Trade-offs: awareness does not lower the tax by itself, and steps that reduce MAGI usually involve costs or limits described in the sections below.

2. Check withholding and estimated payments

Tax is pay-as-you-go. If you did not pay enough through withholding or estimated payments, you may owe a penalty. The IRS says most taxpayers avoid it if they owe less than $1,000 after withholding and refundable credits, or if they paid at least 90% of the current year's tax or 100% of the prior year's tax, whichever is smaller. Special rules apply to certain higher income taxpayers, and the IRS directs readers to Form 1040-ES for them. If income arrives unevenly, Form 2210 explains an annualized installment method (IRS, Topic no. 306, accessed October 19, 2026).

Potential benefit: a bonus, a vesting event, or a sale can be matched with a payment before the year ends, which may reduce or avoid a penalty. Trade-offs: paying more than you need during the year means that money is unavailable for other uses until you receive a refund, and the safe-harbor rules differ by income and filing status. Mapping every dollar of expected income against what has already been withheld is a common first step.

3. Review workplace retirement plan contributions

For 2026, the IRS announced a $24,500 limit on employee contributions to 401(k), 403(b), and governmental 457 plans. Participants aged 50 and over can generally contribute a catch-up amount of $8,000 if the plan allows it, and a higher catch-up of $11,250 applies to ages 60 through 63 (IRS, news release IR-2025-111, November 13, 2025, accessed October 19, 2026). Your plan may be more restrictive than the legal limits.

Potential benefit: traditional pre-tax contributions may lower taxable income in the year you contribute, while Roth contributions, if your plan offers them, are taxed now and may be treated differently when withdrawn. Trade-offs: money in a retirement plan is generally meant to stay until retirement age, pre-tax contributions are taxed when withdrawn, and a Roth contribution gives no deduction today. Higher contributions also reduce take-home pay, which matters if you are also saving for a home, a career break, or equity exercise costs. Payroll deferrals usually need to be set up with your employer before the year ends.

If part of your income is self-employment income, our article on self-employed retirement plan options describes other plan types.

4. Consider a health savings account if you are eligible

An HSA requires coverage under a qualifying high deductible health plan. For 2026, the IRS lists a $4,400 annual contribution limit for self-only coverage and $8,750 for family coverage, and an additional catch-up amount may apply at age 55 or older (IRS, Rev. Proc. 2025-19, accessed October 19, 2026). IRS Publication 969 describes how contributions, growth, and distributions for qualified medical expenses are treated (accessed October 19, 2026).

Potential benefit: an HSA may combine a current-year tax benefit with funds for future medical costs. Trade-offs: a high deductible health plan means higher out-of-pocket costs before coverage pays, withdrawals not used for qualified medical expenses may be taxed and penalized, and a plan that suits one family may not suit another. Our article on HSAs and FSAs covers the differences in more detail.

5. Understand IRA and Roth IRA eligibility

For 2026, the IRS lists a $7,500 IRA contribution limit. The income range in which the ability to contribute to a Roth IRA phases out is $153,000 to $168,000 for single filers and heads of household, and $242,000 to $252,000 for married couples filing jointly. If you or your spouse are covered by a workplace retirement plan, the deduction for a traditional IRA contribution may also be reduced or eliminated, with ranges that depend on filing status (IRS, news release IR-2025-111, accessed October 19, 2026).

Some high earners ask a tax professional about nondeductible traditional IRA contributions and later Roth conversions. The IRS requires Form 8606 to report nondeductible contributions and conversions, and the taxable part of a conversion is generally figured across all of your traditional, SEP, and SIMPLE IRAs, not only the account you convert (IRS, Instructions for Form 8606, accessed October 19, 2026). A contribution for a tax year can generally be made until the filing due date, in most years April 15.

Potential benefit: Roth accounts may offer a different tax treatment in retirement. Trade-offs: a conversion can add taxable income in the year it happens, existing pre-tax IRA balances may make part of it taxable, and the paperwork and record keeping must be accurate every year. This is an area where a qualified tax professional's confirmation matters.

6. Think about when investments are sold

Selling an investment creates a gain or loss for tax purposes. The IRS explains that an asset held more than one year generally produces a long-term gain or loss, and one held a year or less produces a short-term one. A lower tax rate may apply to net long-term capital gain than to ordinary income (IRS, Topic no. 409, accessed October 19, 2026). Gains also count toward the net investment income tax described in section 1.

Potential benefit: timing sales and, in a taxable account, realizing losses that offset gains may reduce a tax bill in a given year. Trade-offs: selling to realize a loss resets your cost basis lower, the wash-sale rule can disallow a loss, and a tax decision should not drive an investment decision on its own. Our articles on tax loss harvesting rules and direct indexing and tax-loss harvesting describe the limits and costs in detail.

7. Plan around equity compensation

Stock options, restricted stock units, and employee stock purchase plans are taxed at different times, and a tax bill may arrive before any cash does. A vesting event or an exercise can push income into a higher range, which may trigger the extra taxes described in section 1.

Potential benefit: knowing each award's timing may help you set aside cash and coordinate with other levers in the same year. Trade-offs: holding company shares to defer a sale adds concentration risk, and selling shares may create a tax bill. Our guide to equity compensation planning covers the main award types and the questions to ask.

8. Coordinate charitable giving

The IRS notes that charitable contributions are generally deductible only if you itemize deductions, and that a gift of $250 or more requires a written acknowledgment from the organization. You can generally deduct the fair market value of property you donate to a qualified organization, with additional reporting for noncash gifts (IRS, Topic no. 506, accessed October 19, 2026).

Potential benefit: giving may align your goals with your tax situation, and some people give appreciated investments instead of cash. Trade-offs: a gift is generally irrevocable, the deduction depends on itemizing and on limits that apply to your income, and giving more than you planned reduces what remains for your other goals. Our articles on donor-advised funds and donating shares cover the mechanics.

Pros and cons of tax planning for high income earners

Potential benefits

• It may make taxes more predictable, because income, withholding, and estimated payments are reviewed together.
• It may identify deadlines, such as payroll deferrals and year-end sales, before they pass.
• It may help coordinate several accounts and decisions instead of treating each in isolation.
• It may reduce surprises from thresholds that add taxes at higher incomes.

Potential drawbacks and limits

• Many levers lock money away or limit access, such as retirement accounts and charitable gifts.
• Reducing taxes this year may increase taxes in another year, so a lower bill today is not always a lower lifetime cost.
• Rules, limits, and thresholds change, and what applied last year may not apply this year.
• Complexity raises the chance of errors, and some strategies need careful record keeping.
• Tax savings are not guaranteed, and a tax-motivated decision can conflict with your other goals.

What to bring to a planning conversation

• Your most recent federal tax return, including Form 8606 if you have filed one
• Year-to-date pay stubs, including bonus and withholding details
• Statements for workplace retirement plans, IRAs, HSAs, and taxable accounts
• Equity award documents, vesting schedules, and exercise deadlines
• Records of estimated tax payments made this year
• A list of charitable gifts made or planned, with acknowledgments
• Your health plan details, if you are considering an HSA
• Expected changes in income, such as a promotion, partnership payout, or job change
• The name of your tax professional and the questions you want to ask them

How we approach it at LKL Advisors

At LKL Advisors, we look across every account and income source you have, including workplace plans, IRAs, HSAs, taxable accounts, and equity compensation, and we build a plan for how each part fits your needs and goals. We coordinate with your tax professional rather than replace them. You can see everything our planning includes on our services page, review our published fee structure, which has no account minimums, or reach out here to ask a question.

Talk through whether high income tax planning fits your situation

Frequently asked questions

What is tax planning for high income earners?

It is the process of reviewing income, withholding, retirement and health accounts, investment sales, and giving together so tax effects are weighed before decisions are made. It does not promise a lower bill, and each approach has costs and limits. A qualified tax professional can confirm how the rules apply to you.

What is a tax strategy?

A tax strategy is a planned approach to the timing and type of income, deductions, and account choices in a way the tax rules allow. Strategies differ in complexity and risk, and they depend on your facts. A strategy that suits one household may not suit another, so confirm it with a tax professional.

How can high income earners lower their taxes?

People commonly discuss retirement plan contributions, health savings accounts, the timing of investment sales, equity compensation timing, and charitable giving with their tax professional. Each has trade-offs such as reduced access to money or limits tied to income. Whether any of them fits depends on your circumstances.

What is the Additional Medicare Tax?

It is a 0.9% tax on Medicare wages and self-employment income above a threshold that depends on filing status, listed on the IRS website. Employers begin withholding once wages exceed $200,000 in a year, but the amount you owe depends on your filing status and total income, so withholding and your actual tax may differ.

Can a high earner contribute to a Roth IRA?

Roth IRA contributions phase out within an income range set each year by the IRS, so a high earner may be limited or unable to contribute directly. Some people ask a tax professional about other approaches, which have their own rules, costs, and reporting requirements.

When should I start year-end tax planning?

Earlier is generally easier, because some steps, such as payroll deferrals or estimated payments, depend on timing and may not be possible in the final weeks of the year. Starting in the fall gives you time to review income, withholding, and open deadlines with a tax professional.

Sources

• IRS, Topic no. 559, Net investment income tax, accessed October 19, 2026
• IRS, Topic no. 560, Additional Medicare tax, accessed October 19, 2026
• IRS, Topic no. 306, Penalty for underpayment of estimated tax, accessed October 19, 2026
• IRS, 401(k) limit increases to $24,500 for 2026, IRA limit increases to $7,500 (IR-2025-111), November 13, 2025, accessed October 19, 2026
• IRS, Rev. Proc. 2025-19, 2026 HSA inflation-adjusted amounts, accessed October 19, 2026
• IRS, Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans, accessed October 19, 2026
• IRS, Instructions for Form 8606, Nondeductible IRAs, accessed October 19, 2026
• IRS, Topic no. 409, Capital gains and losses, accessed October 19, 2026
• IRS, Topic no. 506, Charitable contributions, accessed October 19, 2026

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LKL Advisors is based in Atlanta, Georgia, and works with clients across the country, wherever we are registered or otherwise permitted to serve them. Planning is done remotely through secure virtual platforms, so you do not need to be in Atlanta to work with us.