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New York, NY [Phone number] consultant@kmcjustice.com
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Full-Service Law Firm · New York & International

International legal counsel, anchored in New York.

Karl, Mauritson & Cuff LLP advises businesses, families and individuals in New York and across borders, from business transactions and disputes to immigration, real estate, family matters and estates.

  • Cross-border focus
  • Partner-led service
  • One office, in New York
A classic law library lined with bookshelves and marble busts
New York based.Advising clients whose interests reach well beyond it.

Welcome to KMC

A New York firm with a global outlook.

Legal questions rarely stop at a border. Contracts are signed between parties on different continents, families live across time zones, and assets sit under more than one legal system.

Karl, Mauritson & Cuff LLP was built for exactly that reality. From our office in New York, we help clients understand their options, manage risk and move forward with confidence, whether the matter is a cross-border acquisition, an international dispute, a visa application or a family estate plan.

  • Counsel for businesses, investors, families and individuals
  • Transactional, advisory and dispute-resolution experience under one roof
  • Personal attention from the partners whose names are on the door
More about the firm

Practice Areas

A full-service firm, from the boardroom to the family home.

We advise businesses and individuals across a full range of legal needs, locally in New York and internationally.

All Practice Areas

Business & Corporate

Counsel for companies, founders, investors and organizations, from formation and contracts to transactions, technology and people.

All 12 areas

International

Advice for clients doing business, investing and moving assets and documents across borders.

All 8 areas

Individuals & Families

Discreet, practical guidance on family matters, estates, later-life planning and financial fresh starts.

All 8 areas

Real Estate & Property

Legal support for buying, selling, leasing, building and holding property, at home and abroad.

All 4 areas

Immigration

Visas, green cards, citizenship and defense for individuals, families, students, investors and employers.

All 5 areas

Criminal & Regulatory

Defense against criminal charges and investigations, and compliance programs that keep organizations on the right side of the law.

All 6 areas

Find the right practice area

Browse every area by category, or search for the issue you are facing.

Browse all practice areas
A bright, modern office meeting space

Why Choose Us

Sound judgment. Personal service. A world view.

Clients come to us for the depth of a serious law firm and the attention of a close advisor.

01

Partner-level attention

Your matter is led by experienced attorneys who stay involved from the first conversation to the final outcome.

02

A cross-border perspective

We understand how legal, cultural and commercial differences between countries can shape a matter, and we plan for them.

03

Clear, candid communication

We explain your options in plain language, give you our honest view, and keep you informed at every stage.

04

Practical, commercial advice

Our goal is not just a technically correct answer, but advice that works for your business, your family and your goals.

Our Partners

The people behind the name.

Each of our three name partners leads a distinct part of our practice, and they work closely together whenever a matter calls for it.

DK

Daniel Karl

Partner

Corporate, finance, international business and regulatory compliance, plus attorney escrow for business purchases.

  • Corporate & Commercial
  • Mergers & Acquisitions
  • International Business & Trade
  • Escrow Services for Business Purchases
VM

Vivienne Mauritson

Partner

Litigation, arbitration, criminal defense, injury claims and the recovery of lost funds.

  • Commercial Litigation
  • International Arbitration & Litigation
  • Recovery of Lost Funds
  • Criminal Defense & DWI
NC

Nicholas Cuff

Partner

Families, estates, real estate and immigration, including property sales for local and overseas sellers.

  • Immigration & Visas
  • Real Estate Transactions & Closings
  • Property Sales
  • Divorce & Child Custody

Client Perspectives

What clients value in working with us.

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“They explained a complicated cross-border issue in plain language and kept us informed at every step. We always knew exactly where things stood.”

[Client name][Title, Company / Country]
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“Responsive, thorough and genuinely invested in the outcome. It felt like working with an extension of our own team.”

[Client name][Title, Company / Country]
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“They handled a sensitive family matter with real care and discretion, and worked smoothly with our advisors overseas.”

[Client name][City, Country]

News & Insights

Perspectives on law across borders.

Practical commentary for clients doing business and building lives internationally.

All Insights
Wooden world map on a wallSample article

Five questions to ask before expanding your business into the United States

Entity choice, contracts, employment and tax all deserve attention before you open your doors in a new market. Here is where to start.

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Judge's gavel on a wooden deskSample article

Litigation or arbitration? Choosing a forum for cross-border contracts

The dispute-resolution clause is often an afterthought. We look at the factors that should shape it from the outset.

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Documents and a calculator on a deskSample article

Estate planning when your family and assets span several countries

Different legal systems can treat the same will very differently. A few planning principles for internationally mobile families.

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Request a Consultation

Facing a legal question that crosses borders?

Tell us about your situation. We will review your inquiry and contact you to discuss how we can help.