Washington, D.C. Tax Law

Lacki & Company, LLC
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Washington, D.C. Tax Lawyer

At Lacki & Company, LLC, we provide strategic, solutions-oriented tax law services to individuals, businesses, nonprofits, and international clients. Based in Washington, D.C., our attorneys offer clear, practical guidance across federal, state, and international tax issues. Whether you're dealing with IRS compliance, planning a business transaction, or facing a tax dispute, our firm is committed to helping you protect your financial interests and minimize your tax risk.


Our Tax Law Services in Washington, D.C.

We serve a wide range of clients—from entrepreneurs and high-net-worth individuals to corporations and global entities—offering comprehensive legal counsel in the following areas:

  • Tax Planning & Strategy
  • Proactive planning for individuals and businesses to minimize tax exposure, ensure compliance, and support long-term goals.
  • IRS Audits & Tax Controversy
  • Representation in IRS audits, appeals, and collections, including offers in compromise, installment agreements, and penalty abatement.
  • Business Taxation
  • Structuring and advising on corporate tax matters, pass-through taxation (LLCs, partnerships, S-corps), and tax implications of mergers, acquisitions, and reorganizations.
  • International Tax Law
  • Guidance on cross-border tax issues, including FATCA compliance, FBAR reporting, foreign income, and expatriation.
  • State & Local Tax (SALT)
  • Advice and representation on D.C. franchise tax, sales and use tax, withholding obligations, and multi-jurisdictional compliance.
  • Tax Compliance & Reporting
  • Assistance with complex tax filings, disclosures, and compliance strategies for individuals and entities.


Tax Law in the Heart of Washington, D.C.

Operating in the shadow of the IRS headquarters and federal tax courts, Washington, D.C. is a pivotal location for tax law. Our team brings both local familiarity and national-level insight into tax regulations, policies, and enforcement. We stay current on evolving tax laws, helping clients navigate challenges while anticipating opportunities.


We work with:

  • Small to mid-size businesses
  • Entrepreneurs and startups
  • International investors and expatriates
  • Nonprofits and foundations
  • Professionals facing IRS issues or audits
  • High-net-worth individuals with complex portfolios

At Lacki & Company, LLC, we understand that tax law is about more than numbers—it's about protecting your assets, preserving your business, and securing your financial future. Our tax attorneys provide clear, strategic advice tailored to your unique situation. Contact us today to schedule a confidential consultation with an experienced Washington, D.C. tax attorney and take the first step toward clarity and compliance.


Our Washington, DC office is located at:


1717 K Street, NW,

Suite 900

Washington, DC 20006