7/1/2026 - By Michael Cole, JD, MSPA & Stacey Craig, CPA
Family offices have long faced a basic tax problem: when are their operating costs deductible as business expenses, and when are they merely investment expenses?
That distinction matters because Section 162 trade or business expenses are generally far more favorable than Section 212 investment expenses. And in the family office context, the central challenge has always been proving that the office is conducting a real business of providing investment management services, rather than simply overseeing a family’s own wealth.
That is why the “Lender Management” structure has become the modern benchmark. It is not a statutory safe harbor, and it does not guarantee deductibility in every case. But it is widely viewed as the strongest factual model for keeping family office operating costs on the Section 162 side of the line.
Below is a structured discussion of why that is so, what features matter most, and where the limits remain.
The starting point is the distinction between two Code provisions.
Section 162: Trade or Business Expenses
Section 162(a) allows a deduction for ordinary and necessary expenses paid or incurred during the taxable year in carrying on a trade or business.
That is the rule family offices want to satisfy. If the office is engaged in a bona fide investment management business, its operating costs may be deductible under Section 162.
Section 212: Investment Expenses
Section 212 is the fallback rule. It allows deductions for ordinary and necessary expenses paid or incurred:
But Section 212 addresses investment-type expenses, not trade or business expenses.
The tax risk for a family office is that the IRS may characterize the office as merely managing family investments. If so, the expenses are not Section 162 business expenses; they are Section 212 investment expenses. That distinction became especially important after the suspension of miscellaneous itemized deductions for individuals, because a structure that fails Section 162 treatment may produce little or no current tax benefit at the owner level.
So the real question is not whether the family office incurs real costs. It is whether those costs are incurred in carrying on a business, or merely in managing investments.
The reason Lender Management became the standard reference point is that it provides the clearest modern roadmap for family offices seeking Section 162 treatment.
The case is important because the Tax Court concluded that the family office there was engaged in the trade or business of providing investment management services, even though the client base was largely family-related.
The office had facts that looked deliberately business-like:
That combination made the office look less like a family overseeing its own capital and more like a genuine investment manager. The structure became the practical standard because it addresses the two recurring weaknesses in family office deduction cases:
Lender Management addressed both.
Most of the assets under management were owned by family members who did not own the management entity. That separation helped show that the manager was serving clients other than itself.
The office also earned compensation for services, including a profits interest or fee arrangement, rather than simply allocating shared family costs. The court treated those facts as evidence of a real business conducted for profit.
Practitioners generally treat several features as the key elements of a “Lender Management” structure.
A Separate Management Entity
The family office functions are housed in a distinct entity that provides management services to investment entities or family clients. This matters because it helps frame the office as a service provider, rather than as an owner simply incurring its own investment oversight costs.
A separate management entity is one of the clearest ways to distinguish a business from internal wealth administration.
Clients Who Are Not Identical to the Owners of the Manager
This is one of the most important facts. In Lender Management, the management entity was owned by only a small subset of the broader family whose assets were being managed. That strongly supported the existence of a bona fide service relationship.
If the same persons own the manager and own all the managed capital in the same proportions, the arrangement looks much more like self-management of personal wealth. That is exactly the appearance family offices are trying to avoid.
Compensation for Services, Not Mere Reimbursement
The office should earn compensation that looks like payment for investment management services:
This is very different from simply receiving reimbursement of shared expenses.
Receipt of compensation attributable to services is a major indicator of a trade or business. It also fits the broader Section 162 principle that deductible business expenses must be directly connected with the taxpayer’s own business activity.
In related-party settings, courts focus closely on whether the expense is tied to the taxpayer’s own business, not merely on who legally paid it.
Real Operational Substance
The office should have real business substance, including:
In Lender Management, the office employed personnel, used outside experts, made investment decisions, and provided one-on-one planning and advisory services. Those facts distinguished it from the classic Higgins-type fact pattern of merely collecting income, keeping records, and monitoring investments.
That distinction is critical. A sophisticated investment operation is not automatically a trade or business if it is still only managing one’s own money.
Arm’s-Length or Businesslike Relationships
Because family office arrangements are related-party arrangements, they receive heightened scrutiny. The structure therefore tries to replicate commercial investment manager relationships through:
The more the arrangement resembles a real third-party asset management business, the stronger the Section 162 case becomes.
The Lender Management structure is viewed as the standard for three practical reasons. There is no more favorable modern judicial roadmap in the family office area. Lender Management is the principal authority in which a family office prevailed on Section 162 facts close to what sophisticated families actually do.
That alone gives it outsized importance. Historically, courts often denied trade-or-business treatment where taxpayers were merely managing their own investments, even extensively and even through offices and employees.
Lender Management became the standard because it changes the fact pattern from; “managing one’s own money” to “providing investment management services to clients through a separate operating business.”
That is the key conceptual shift. The structure is also administrable. It gives advisors a practical framework:
That is why it is often described as a roadmap for structuring family offices after the case. Although Lender Management is the leading model, it is not a guarantee.
Neither Section 162 nor Section 212 contains a family-office-specific safe harbor. Section 162 states the general trade-or-business rule, and Section 212 states the investment-expense rule, but the line between them remains factual. So the structure improves the case for deductibility, but it does not ensure the result in every situation.
Not every family office with a management entity will qualify. Where the same family members own both the manager and the managed funds in matching proportions, and the arrangement looks more like internal wealth management than a service business, the case for Section 162 treatment is weaker.
That is one reason ownership separation is so important.
Courts continue to examine whether the arrangement is bona fide or merely a family convenience. If:
The family relationship does not prevent Section 162 treatment, but it does increase the need for credible business facts.
Profits-interest compensation can support business treatment, but only if the arrangement has real economic substance. Even within a Lender-style structure, compensation mechanics must be defensible. Service arrangements can still be challenged if they look artificial or if the economics do not reflect a genuine service business.
The “Lender Management” structure became the standard because it is the strongest modern template for showing that a family office is carrying on an investment management business under Section 162 rather than merely incurring Section 212 investment expenses.
Its importance lies in the combination of:
Those features make the office look like a genuine asset-management enterprise rather than a family cost center.
The Lender Management structure is best understood not as a guarantee, but as the leading factual model for maximizing the likelihood that family office operating costs will be respected as deductible trade or business expenses under Section 162.
That is why it has become the standard reference point in family office planning. It does not “ensure” deductibility in every case. But it gives practitioners and families the clearest available framework for moving family office expenses from the investment-expense side of the line to the business-expense side.
Family office structures require more than good intentions, they require defensible facts.
Whether you're establishing a new family office or reassessing an existing structure, our tax advisors can help you evaluate governance, compensation arrangements, and operational substance to support your overall tax strategy. Connect with Saltmarsh to learn more.
About the Authors
Michael is a partner with experience across tax, accounting, and advisory services. He began his career in public accounting over 15 years ago, focusing on tax consulting and compliance. His primary areas of experience include providing services related to mergers and acquisitions, 704(b) allocations, and complex transaction structuring for private equity firms and family offices.
Stacey is a partner with experience across tax compliance, planning, and consulting services. Stacey is a trusted tax advisor known for delivering clear, strategic guidance that helps clients make confident financial decisions. With more than two decades of experience in tax compliance, planning, and consulting, she brings deep expertise to partnerships, S corporations, nonprofits, high-net-worth individuals, trusts, and estates.