How Do You Handle Quarterly Taxes as a Solo Attorney?

The first year on your own, the money feels great. Fees come in, the account grows, and then tax time arrives and you discover the government expected its share all along, in installments, with penalties for not paying on time. The shift from an employee, whose taxes were quietly withheld from every paycheck, to a self-employed attorney responsible for your own taxes catches many new solos completely off guard.

This is general information, not tax or legal advice, and everyone's situation differs, so work with a qualified tax professional. With that caveat, this article explains why solo attorneys owe quarterly taxes, what self-employment tax is, how much to set aside, and how to handle estimated payments so April is a formality rather than a crisis.

How Do You Handle Quarterly Taxes as a Solo Attorney?

Estimate your income, set aside a portion of every payment for taxes, make estimated tax payments four times a year, and work with a tax professional. The core habit is treating a chunk of every fee as money that was never yours, because a large part of it belongs to taxes you will owe.

The reason this trips up new solos is that nothing withholds taxes for you anymore. As an employee, taxes left your paycheck before you saw the money. As a solo, the full fee hits your account, and it is on you to reserve the tax portion and pay it on schedule. Once you build the habit of setting money aside and paying quarterly, the system is straightforward. The danger is spending money that was really the government's and having nothing set aside when the bill comes.

Why Do Solo Attorneys Owe Quarterly Taxes?

Because no employer withholds for you, and the tax system generally expects income tax to be paid as you earn it. Employees have taxes withheld from each paycheck, satisfying the pay-as-you-go expectation automatically. Self-employed attorneys have no withholding, so the tax authorities require estimated payments throughout the year instead.

If you wait until April to pay a full year's taxes at once, you will generally owe underpayment penalties on top of the tax, because you did not pay as you went. Quarterly estimated payments are how the self-employed meet the same pay-as-you-go rule that withholding handles for employees. Understanding that you are now your own withholding department is the mental shift that makes the rest make sense.

What Is Self-Employment Tax?

It is the self-employed version of Social Security and Medicare taxes, and it is a significant additional cost. As an employee, you paid part of these taxes and your employer paid the other part. As a solo, you pay both halves yourself, which adds a substantial percentage on top of your income tax.

This is the piece new solos most often forget, because it did not exist as a visible line when they were employed. Self-employment tax applies to your net earnings and comes on top of regular income tax, so your total tax burden as a solo is meaningfully higher than the income-tax rate alone would suggest. Budgeting only for income tax and ignoring self-employment tax is a common and painful mistake.

How Much Should You Set Aside?

A meaningful percentage of every payment, kept in a separate account, sized to your combined tax burden. Because your exact rate depends on your income, deductions, entity, and state, a tax professional should help you set the number, but the discipline is the same: reserve a portion of each fee the moment it arrives.

Many solos set aside a substantial share of income for combined federal self-employment, federal income, and state taxes, and keep it in a dedicated savings account they do not touch. When a quarterly payment is due, the money is already there. Setting aside too much is far better than too little; a refund is a minor inconvenience, while a shortfall is a real problem. The separate account is key, because money mingled with operating funds gets spent.

When Are Quarterly Payments Due?

Four times a year, on schedule, with due dates set by the tax authorities. Estimated taxes are paid in four installments across the year, and the specific dates are set by the IRS and can shift, so confirm the current deadlines each year rather than relying on memory.

Mark the due dates on your calendar the way you would a court deadline, because missing them triggers penalties. Many solos automate reminders or work with their accountant to ensure each payment goes out on time. The mechanics of paying are simple once you know the amount; the discipline is in not letting a due date slip. Treat estimated tax dates as immovable appointments and this becomes routine.

How Do You Estimate What You Owe?

Base your estimates on your prior-year tax or your projected current-year income, using the safe-harbor rules. Estimating taxes for a new practice is inexact, but the tax system provides safe-harbor methods that let you avoid penalties by paying at least a certain amount based on last year's tax or a percentage of this year's.

A tax professional can calculate estimates that satisfy the safe harbor so you are protected from underpayment penalties even if your income fluctuates. For a first-year solo with no prior self-employment history, estimates are rougher, which is another reason to set aside generously and consult a pro. As the year progresses and your income becomes clearer, you can adjust your estimated payments to match reality.

What Deductions Should Solos Track?

The legitimate business expenses of running your practice, which reduce your taxable income. Every deductible expense you track lowers the income you pay tax on, so diligent tracking directly reduces your tax bill. Solo attorneys commonly have deductible expenses such as:

• Bar dues, licensing, and CLE.
• Malpractice and business insurance.
• Office rent or a qualifying home-office expense.
• Practice management software, research tools, and technology.
• Professional services, like your accountant and bookkeeper.

Keep records and receipts for these throughout the year rather than scrambling at tax time. Good expense tracking, paired with your bookkeeping, ensures you claim every deduction you are entitled to and pay tax only on your actual profit.

Should You Get a CPA, and Does Your Entity Matter?

Yes, get a tax professional, because the savings and peace of mind usually exceed the cost, and your business entity can affect your taxes. A CPA or tax advisor who works with law firms will help you estimate correctly, claim the right deductions, and avoid penalties, which for most solos more than pays for itself.

Your choice of business entity can also affect your tax situation, since some structures change how income and self-employment tax are treated. Whether a particular structure would benefit you depends on your income and circumstances, and it is exactly the kind of question a tax professional should answer for your situation. Do not guess at entity and tax strategy on your own; the stakes are high enough to warrant expert help.

Make April a Formality

Quarterly taxes surprise new solos only because no one withholds for them anymore. Estimate your income, set aside a real portion of every fee in a separate account, pay estimated taxes on the four due dates, track your deductions, and work with a tax professional who knows law firms. Do that, and tax season becomes a routine filing rather than a scramble for money you already spent.

Sound financial habits keep a solo practice healthy, and so does focusing your energy on the work that actually pays. Create your free account on Overture to connect with vetted attorneys, refer the work that does not fit your practice, and build a firm whose finances, including taxes, stay under control.