Key Takeaways
- The way a family office is structured for tax purposes influences whether it qualifies as a trade or business under IRC Section 162 and what operating expenses can be deducted.
- LLCs, limited partnerships and S corporations are often preferred, because they can avoid corporate-level tax, provide flexibility and offer liability protection. They also may qualify for Section 199A benefits under the right circumstances.
- The most effective family office tax structures integrate investment management, estate planning and philanthropy into a unified strategy that supports long-term tax efficiency and wealth preservation.
- Family offices face ongoing tax implications, including IRS scrutiny, intergenerational wealth transfers and cross-border issues, which makes regular coordination among tax, legal and advisory professionals essential.
Establishing a family office can be a powerful tax strategy for ultra-high-net-worth (UHNW) families that want to grow their wealth and protect their assets. A family office is a legal entity that manages the finances, investments and personal affairs of UHNW families, often across multiple generations. The goal is to manage your finances more efficiently while maintaining a high level of service across tax planning, investments, estate planning and philanthropy.
Your family office tax structure determines how the office is taxed, whether it qualifies as a trade or business for Internal Revenue Code (IRC) Section 162 and which operating expenses may be deductible. When done well, the structure can support tax efficiency, wealth preservation and long-term wealth transfer across generations.
Choosing the right legal form also affects how income is taxed, whether you avoid double taxation and the degree of liability protection available to each family member. Longer-term planning helps you adapt as tax law evolves and your family’s needs change.
Why Tax Structures Matter for Family Offices
The decision of how to structure your family office is multilayered and complex. Historically, the ability to deduct expenses like investment management fees, salaries and professional services has been one of the most important family office tax advantages.
The Tax Cuts and Jobs Act (TCJA) significantly limited miscellaneous itemized deductions. Today, only family offices that are actively engaged in a trade or business may deduct many of the costs associated with running them. When that standard is met, deductible items may include investment management fees, staff compensation, office rent and utilities, and professional fees.
Your family office tax structure also has important tax implications for owners:
- With S corporations, limited liability companies (LLCs) and limited partnerships (LPs), income typically passes through to owners and is taxed on their personal returns.
- With C corporations, profits are generally taxed at the corporate level and then again when dividends are paid, creating double taxation.
Getting this balance right can help reduce your overall tax liability and improve long‑term outcomes for your family’s wealth.
Choosing Among Family Office Structures
Several legal entity options are available when you’re establishing your family office. Tax efficiency is important, but it should be weighed alongside liability protection, governance, control, flexibility and how responsibilities will be delegated.
A growing number of family offices also outsource certain functions, such as accounting, technology or investment operations, to expand capabilities without hiring a full internal staff.
Before deciding on an entity, it’s helpful to clarify whether you’re building a single-family office for one UHNW family or using a structure more like a multifamily office model that supports several households under one umbrella. Costs, complexity and control can look different depending on which family office structure is right for you.
Common options include:
• Limited liability companies (LLCs) – These are popular for flexibility and pass-through taxation while providing liability protection for owners. An LLC can also serve as a family holding company for operating businesses and investments.
• Limited partnerships (LPs) – These receive similar pass-through taxation treatment to LLCs, often useful for multimember structures, with general partners overseeing operations and limited partners enjoying liability protection up to their investment.
• S corporations – These avoid corporate-level income tax, with profits taxed at owners’ personal rates; in some cases, these can offer payroll and self-employment tax advantages.
• C corporations – These use a flat corporate tax rate but generally involve a second layer of taxation when profits are distributed as dividends.
• Trust-based approaches – These allow a trustee to manage assets under a trust agreement, supporting wealth transfer, creditor protection and estate tax planning goals.
For additional context on entity choice, you can review Creative Planning’s articles on selecting the right tax structure for your business and how to structure your business.
Leveraging Tax Benefits and Advantages
A thoughtful family office tax structure can unlock several advantages, including:
• Pass-through taxation – LLCs, LPs and S corporations often avoid corporate-level tax, with profits reported on the owner’s personal returns.
• Potential Section 199A deduction – Some pass-through entities may qualify for the 20% qualified business income deduction if the office is treated as a trade or business. These include LLCs, LPs and S corps.
• Coordinated planning across assets – Many UHNW individuals own operating companies, real estate, marketable securities and alternatives. Coordinating tax planning across these holdings can help manage capital gains, ordinary income and cross‑border tax implications.
• Deductible compensation – When the office qualifies as a business, compensation to family members and staff may be deductible, subject to reasonable-compensation and related-party rules.
• Estate and gift planning opportunities – Techniques such as GRATs, family limited partnerships (FLPs) and other structures can support wealth transfer and help reduce potential estate tax exposure. Estate tax planning is critical for UHNW families that could be subject to estate taxes as high as 40% on the value of estates that exceed the federal estate tax exemption of $15 million per individual in 2026 ($30 million for married couples with proper portability planning).
For a broader view of planning for UHNW families, see eight financial planning strategies for ultra‑high‑net‑worth families.
Maximizing Eligible Deductions
To deduct a wide range of costs, the office generally needs to be treated as a trade or business under IRC Section 162. When that standard is met, common deductible categories include:
- Investment management fees
- Salaries and bonuses paid to family office staff
- Office rent and utilities
- Legal and accounting fees
- Other ordinary and necessary operating expenses
Two U.S. Tax Court decisions, often referred to as the Lender and Hellman cases, provide guidance on how an office might qualify as a business. Factors include maintaining a separate ownership structure, transacting at arm’s length, compensating investment professionals and serving family members whose interests aren’t identical.
Addressing Tax Issues Unique to Family Offices
Family offices face several recurring issues that call for specialized support, such as:
- Distinguishing between deductible business expenses and non-deductible investment costs
- Managing IRS scrutiny of related-party transactions between entities and family members
- Handling multistate and international tax implications when families and assets span jurisdictions
Creative Planning’s tax planning services are delivered by in-house CPAs and attorneys and integrated with your broader wealth, investment and estate strategies so that decisions in one area don’t create unintended tax consequences in another.
Coordinating Investments, Estate Planning and Philanthropy
An effective family office tax structure is most valuable when it supports a comprehensive plan across investing, estate planning and charitable giving. For many UHNW families, the family office becomes a hub for:
- Tax-aware investment strategies, such as tax-loss harvesting, Opportunity Zone investing and like-kind exchanges
- Estate planning tools, including irrevocable life insurance trusts, GRATs and FLPs
- Philanthropic vehicles, such as donor-advised funds, charitable remainder trusts, charitable lead trusts and private foundations
As your family’s wealth — and the complexity of that wealth — grows, a formal family governance framework can help keep decision‑making aligned with your values and long‑term goals and clarify how different family members will participate in the office.
Building a Long-Term Strategy
The family office services offered by Creative Planning are designed to help you build a long-term tax strategy that reflects all your assets and objectives. Because laws and family circumstances change, regular reviews are critical. That’s why we conduct proactive annual reviews with all our family office clients. Business transitions, generational changes and new income can all affect whether your current structure remains the best option.
Our team provides integrated delivery of family office services by CPAs, attorneys and investment professionals under one roof, helping ensure that entity selection, tax planning, estate strategies and philanthropic goals work together in a cohesive way.
Frequently Asked Questions About Family Office Tax Structures
How are family offices taxed?
Your entity choice determines how the office is taxed. LLCs, LPs and S corporations are typically treated as pass-throughs, with income reported on owners’ individual returns.C corporations pay tax at the corporate level, with a second layer when dividends are distributed to shareholders.
Which legal entity is best for a family office?
LLCs are often preferred because they combine flexibility, pass-through treatment and liability protection. LPs and S corporations can be attractive in certain situations as well. The right option depends on your asset mix, jurisdictions, governance needs and long-term goals.
Are family office expenses deductible?
Deductibility largely depends on whether the office qualifies as a trade or business under IRC Section 162. When it does, many operational costs — including staff compensation, rent, utilities and professional fees — can be potentially deducted, subject to current rules and IRS guidance.
What tax challenges do family offices face?
Key challenges include navigating the post-TCJA environment for deductions, managing related-party transactions, handling multijurisdictional tax issues and coordinating tax planning with estate and gift strategies to support long-term wealth transfer.
We’re Here to Help
Creative Planning offers comprehensive family office services to help you evaluate and implement an appropriate tax structure. Our in-house CPAs, attorneys and wealth advisors work together to integrate tax, estate, investment, risk and philanthropic planning for UHNW families.
