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What BigLaw tax lawyers actually do

BigLaw tax lawyers usually do not prepare returns. They structure deals, interpret dense rules, draft tax provisions, and handle disputes with taxing authorities.

Updated August 8, 2026 · 4 min read

What BigLaw tax lawyers actually do

When I first heard "tax lawyer," I pictured someone preparing returns. That is not what most tax lawyers at large firms do.

BigLaw tax lawyers help clients understand how tax rules affect transactions, investments, compensation, financing, reorganizations, and disputes. They often join a matter because a structural choice can change the economics of the entire deal.

Transactional tax

Every acquisition has a tax structure. So does a fund, financing, restructuring, spinoff, joint venture, or executive-compensation arrangement.

Tax lawyers compare possible structures, explain tradeoffs, draft tax provisions, review the main agreements, and coordinate with accountants and business teams.

Questions may include:

  • Is the transaction treated as an asset or stock purchase?
  • Which party bears a pre-closing tax liability?
  • Can losses or other tax attributes be used?
  • How should consideration be allocated?
  • What happens to investors in different jurisdictions?
  • Does a restructuring create cancellation-of-debt income?

You do not solve these questions with arithmetic alone. The work requires reading statutes, regulations, cases, and guidance, then applying them to a business plan that may still be changing.

Funds and investment tax

Private-equity, credit, real-estate, and other investment funds need tax advice on fund formation, investor issues, acquisitions, operations, and exits.

The work can involve partnerships, carried interest, tax-exempt or non-U.S. investors, withholding, and specialized structures. It is technical, but it also places lawyers close to how investments are built.

Tax controversy

Tax controversy lawyers handle audits and disputes with the Internal Revenue Service, state authorities, and other taxing bodies.

They develop facts, interpret the law, prepare submissions, negotiate with the government, and litigate when necessary. This side of the practice can feel closer to regulatory work or litigation than deal work.

Ask whether a firm's "tax group" does planning, controversy, or both.

What a junior actually does

A junior tax associate may:

  • research a narrow statutory or regulatory question;
  • draft a memo or email explaining the answer;
  • review a purchase or credit agreement;
  • draft tax covenants, representations, or opinions;
  • help prepare a structure chart;
  • track issues across a transaction;
  • review tax diligence; and
  • organize facts for an audit or dispute.

At first, the vocabulary can make every assignment feel harder than it is. Good groups explain the business context before sending a junior into the Internal Revenue Code.

Do you need to be good at math?

You need comfort with numbers, not advanced mathematics. The hard part is usually legal classification and structural reasoning.

Tax attracts people who like puzzles, precise language, and learning systems. If you enjoyed a class because every word in a rule mattered, that may be a better signal than whether you liked calculus.

An accounting or economics background can help, but it is not a prerequisite.

What the lifestyle is really like

Tax specialists may have more control over a transaction than the associates managing the full deal, but they still serve deal deadlines. If several matters need tax input before signing, the work can become intense.

Controversy may follow a steadier administrative or litigation calendar until a major deadline arrives.

Do not rely on the stereotype that tax automatically means better hours. Ask how the group staffs matters, how many deals associates cover, and what creates emergencies.

The career advantage and tradeoff

Tax lawyers develop scarce expertise and work across many types of transactions. That can make them valuable inside firms, companies, investment businesses, accounting firms, government, and specialist practices.

The tradeoff is specialization. You need to enjoy the subject enough to keep learning because the rules and structures do not become optional as you advance.

Questions worth asking

  • What percentage of the work is transactional versus controversy?
  • Which transactions or clients drive the practice?
  • What does a first-year draft?
  • How are juniors taught the tax and business background?
  • How many matters does an associate handle at once?
  • How closely does the group work with corporate teams?
  • Where have associates from this office gone?

If you are curious, take a basic federal income tax course and speak with both a junior and senior lawyer. Ask each to walk through one recent matter without client names.

Tax can look intimidating from the outside. Inside a good group, it is structured problem-solving with real economic consequences. Compare it with corporate practice and restructuring before deciding whether the specialist role fits you.

One useful test is whether a dense rule becomes satisfying after you understand its structure. Tax will always supply another dense rule, but it also gives you the chance to make that rule matter to a real transaction.

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