What Atlanta-Area CPA Firms Are Asking About MSO Specialty Coverage

FIELD NOTES · ATLANTA CPAs

What Atlanta-Area CPA Firms Are Asking About MSO Specialty Coverage

In a firm with hundreds of partners, the Management Services Organization is rarely a firmwide capability. It is a specialty that has to be carried across specialty silos to reach the client base it applies to.

By Alex Jones, EA, CFP®, ChFC®, CLU®, CEPA, Founder & CEO, Guardian Tax Consultants® · November 25, 2025 · 8 min read

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A luncheon continuing-education session at a Top-130 Atlanta-area accounting firm produced an observation worth recording. The room was a cross-section of partners and senior managers from a practice with hundreds of professionals. The question that surfaced was not whether the Management Services Organization is a defensible structure, nor whether the host firm's clients would benefit from it. The question was structural: in a large firm organized around industry specialty, how does a structure that applies across nine or more industries actually reach the partners whose clients are candidates for it? The answer the room arrived at, after some discussion, was that it does not — at least not without a continuing conversation cadence built specifically to carry the concept across the silos that define modern public accounting.

Inside a large firm, specialty is the unit of expertise

The economics of a Top-130 accounting practice push every partner toward an industry vertical. Transportation tax, restaurant industry, real estate, dental groups, technology, professional services, construction, manufacturing, healthcare — the verticals vary by firm, but the principle is consistent. Depth of specialty knowledge is what makes a partner valuable inside the firm and what makes the firm valuable to its clients. The trade press has been observing this pattern for more than a decade. Accounting Today and the Journal of Accountancy have both documented the industry's continuing migration toward vertical specialization as the dominant model for partner development and firm growth.

The corollary, observed at the luncheon, is that the partner who serves transportation companies reads the transportation literature, attends the transportation conferences, and underwrites client work against the transportation regulatory environment. The partner who serves dental groups does the same in dental. The cross-specialty discussion that happens at lunch, in hallways, and in firmwide CPE is what knits the practice together. Outside of that discussion, structural concepts that apply across verticals are easy to miss. The Management Services Organization is one of those concepts.

Why MSO knowledge fragments across specialty silos

In a firm with several hundred CPAs, the practical observation from the luncheon was that only a small handful would be able to define an MSO with precision and identify the fact patterns where it applies. That is not a reflection on the depth of the firm — the firm in question has a long-tenured partner group and a serious technical bench. It is a reflection of how specialty operates. The MSO is a structural overlay, not a vertical practice area. It does not announce itself inside a single industry's regulatory environment the way a depreciation policy or a method-of-accounting change does. The partner whose client could benefit from it may never read the literature where it is most often discussed.

That makes the MSO a conversation that has to be carried. Inside a large firm, that conversation takes the form of internal CPE, partner roundtables, and joint client reviews that bring the structural specialist into the same room as the vertical specialist whose client owns the operating business. The continuing-education luncheon is one venue for that conversation. Internal lunch-and-learns are another. The pattern that worked best, in the partners' description of their own practice development, was a cadence of touchpoints over a year or two rather than a single presentation. The structural concept needs to be in front of the vertical specialist often enough that, when a client fact pattern surfaces it, the specialist recognizes it.

The MSO is a structure, not a transaction

The framing that resonated most with the room was a corrective one. A Management Services Organization is sometimes discussed as if it were a transaction — something a client does once, at a defined moment, for a defined tax outcome. The luncheon discussion moved away from that framing. The MSO is more accurately described as a structural overlay on an operating business, designed to be useful across multiple objectives at once. The partner who treats it as a one-time event will miss most of what makes it durable.

Four objectives surfaced in the discussion. The first is operational efficiency: centralizing administrative, treasury, human-resources, and back-office functions inside a single entity that serves one or more operating companies under common control. The second is asset protection: separating the risk-bearing operating business from the entity that provides management services and holds capital only where a documented business purpose supports the retained asset position, with the related-party fee documented under Treasury Regulation §1.482-9. The third is estate and related-party transition planning: the MSO can serve as the vehicle through which next-generation ownership is introduced over time, with the operating company's economic value moved deliberately rather than at a single inflection point. The fourth is a tax characteristic that depends on how cash flows are designed. When the related-party management fee is properly substantiated as ordinary and necessary under Internal Revenue Code §162 and priced at arm's length under §482, the structure can produce tax deferral on capital that remains available for deployment inside the operating business rather than being lost to current taxation.

That deferral characteristic carries its own discipline. Capital that accumulates inside an MSO must have a documented business purpose, consistent with the reasonable-needs-of-the-business standard in IRC §531 and §537. The accumulated-earnings tax is the substantive backstop the regime contemplates for capital that has no identified use. Structures that anticipate the documentation requirement at formation, and that maintain it contemporaneously, are positioned differently than structures that do not. The cash-uses discipline that supports the §531 position is itself a planning deliverable, not a defensive afterthought. The MSO that is built without it is a structure that has been started, not finished.

A related point on personal-service businesses surfaced in the discussion. Where the operating company is a personal-service corporation in the meaning of IRC §269A, the Secretary has authority to reallocate income, deductions, and credits between the personal-service corporation and its employee-owners if the principal purpose of the arrangement is the avoidance or evasion of federal income tax. The provision is narrow on its face but instructive on its rationale: the related-party arrangement must be substantively supported by services actually rendered, with documentation contemporaneous to the year of the engagement. The MSO that observes §269A as a planning consideration, rather than treating it as an after-the-fact concern, is the structure better positioned to defend its compensation flows.

Cross-industry applicability: the practical reach

The reach of the structure is what makes the specialty-fragmentation problem worth solving. The MSO is applicable across nine or more industries plus the personal-service category — a breadth that means every vertical specialty inside a large firm has clients who could be candidates. Closely-held operating businesses in distribution, light manufacturing, professional services, healthcare delivery, transportation, hospitality, construction, real estate operations, and family-owned consumer businesses have each surfaced fact patterns in our practice. So have the personal-service businesses — the medical groups, the law firms, the engineering practices, the architecture firms — that §269A was written to address. The structure is not equally useful in every fact pattern; that is a diligence question. But the candidate pool is wide enough that no single specialty inside a large firm is likely to encounter it often enough, on its own, to develop the depth a structural conversation requires.

That is the practical case for a continuing-conversation cadence between the structural specialist and the vertical specialty groups. A single CPE session, however well delivered, is unlikely to change the diagnostic posture of a partner whose specialty is somewhere else. A cadence of touchpoints — quarterly internal CPE, joint client reviews on candidate fact patterns, written briefs that move through the firm's internal channels — is what builds the pattern recognition the structure requires. The host firm's posture at the luncheon was consistent with that observation. The firm did not ask whether the structure was real. It asked how to build the internal cadence that would let its vertical specialists recognize the candidate fact patterns when they appear.

After the Atlanta luncheon, our team reviewed the published record on advisory-services growth inside large CPA firms. The AICPA and CPA.com benchmark survey has observed that the Client Advisory Services line is currently the fastest-growing service area in public accounting, with median growth in the high double digits and a multi-year projected growth trajectory that outpaces every other practice line in the firm. That observation explains the operating tension the Atlanta partners were describing in their own halls. The advisory line is growing across the industry; in a specialty-organized practice, the question is which vertical group inside the firm carries which structural conversation, and on what cadence. The benchmark describes the destination. The internal-cadence problem is the practical answer to how a firm of this size gets there.

Closing observation

The MSO conversation inside a large CPA firm is not a sales conversation, and it is not a one-meeting conversation. It is a cadence. The structural specialist who comes through once and leaves a deck behind has done less than the structural specialist who returns over a year or two, in formats the firm's vertical specialists can absorb, until the candidate fact patterns surface themselves. In Atlanta the question on the floor was not whether the MSO is a useful structure. It was how the conversation gets carried across the silos that organize a serious practice. The answer is the conversation itself, on a cadence the firm can sustain.

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