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Architecture Firm Succession Planning: How to Sell, Transfer, or Transition Ownership

Written by Yarik Yarosh, CPA (US & Canada) September 4, 2026 · FL CPA license AC61704 · CPA Ontario

Architecture firms have a succession problem that manufacturers and retailers do not. The firm’s value is heavily concentrated in the founder’s relationships, reputation, and design sensibility. When the founder leaves, the clients may leave too, and the firm’s revenue can decline rapidly. This makes succession planning both more important and more difficult than in a product-based business. The tax treatment of the transition, whether it is an internal sale to junior partners, a merger with another firm, or an outright sale to an outside buyer, depends on how the transaction is structured and what the buyer is actually paying for.

Key takeaway

The most common succession path for architecture firms is an internal sale to junior partners over 5-10 years. The tax treatment depends on whether the sale is structured as an asset purchase or an equity purchase, and on the allocation of the purchase price among the firm’s assets. Goodwill (the firm’s reputation, client relationships, and brand) is amortized over 15 years under IRC 197. Personal goodwill (the individual founder’s relationships and reputation, as distinct from the firm’s institutional goodwill) can be sold directly by the founder, potentially producing capital gain treatment rather than ordinary income. Non-compete agreements are also IRC 197 intangibles, amortized over 15 years. Installment sales under IRC 453 spread the gain recognition over the payment period, which can reduce the tax rate by keeping annual income in lower brackets. Earnout structures (payments contingent on future performance) are common in A/E firm sales and receive installment treatment, but the open-transaction doctrine and Section 483 imputed interest rules add complexity.

How are internal sales to junior partners structured?

The typical internal succession follows a pattern: the founder identifies one or more junior architects (often those who have been with the firm for 10+ years and have developed their own client relationships), offers them a buy-in opportunity, and gradually transfers ownership over several years. The buy-in can be structured in several ways:

Direct purchase of partnership interest or LLC units: The junior partner pays the senior partner for a share of the firm. The payment is capital gain to the senior partner (except for “hot assets” under IRC 751, which convert a portion of the gain to ordinary income). The hot assets in an architecture firm typically include accounts receivable (if the firm is cash-basis) and any unrealized receivables.

Redemption by the entity: The firm itself buys back the senior partner’s interest, funded by firm earnings or a loan. The tax treatment depends on whether the redemption qualifies as a sale or exchange (capital gain) or a distribution (potentially ordinary income). For partnerships, IRC 736 governs: payments for unrealized receivables and goodwill (if the partnership agreement does not provide for goodwill) are ordinary income to the retiring partner, while payments for the partner’s share of firm assets (including goodwill, if the agreement provides for it) are capital gain.

Gradual gifting and sale: The senior partner gifts a small percentage each year (within the annual exclusion) and sells the remainder over time. This hybrid approach reduces the total transfer tax and spreads the gain recognition.

What is the personal goodwill strategy?

Personal goodwill is a powerful planning tool for architecture firm founders. The concept: the founder’s personal relationships with clients, the founder’s design reputation, and the founder’s name recognition are personal assets, not assets of the firm. When the firm is sold (especially a C-Corp or S-Corp), the founder can sell the personal goodwill directly to the buyer, outside the corporate transaction.

The benefit is that the personal goodwill sale produces capital gain taxed at the individual level (0%/15%/20%), rather than passing through the corporate level. For a C-Corp, this avoids double taxation entirely on the goodwill portion.

The IRS scrutinizes personal goodwill claims. To support the position, the founder should have a written agreement with the buyer for the sale of personal goodwill, a non-compete agreement (the founder agrees not to compete, which demonstrates that the goodwill is personal), and documentation that the client relationships are with the founder personally (not with the firm).

How are non-compete agreements taxed?

Non-compete agreements in an architecture firm sale are typically structured as a separate payment to the departing owner, in exchange for their agreement not to practice architecture within a defined geographic area for a defined period. For the buyer, the non-compete payment is an IRC 197 intangible, amortized over 15 years (regardless of the actual non-compete period). For the seller, the payment is ordinary income (not capital gain).

Because non-compete payments are ordinary income to the seller, there is a natural tension: the buyer wants to allocate more of the purchase price to the non-compete (15-year amortization, reducing future taxable income), while the seller wants to allocate more to goodwill (capital gain treatment). The allocation must reflect the actual economic substance of the transaction, and the IRS can challenge allocations that do not.

How do earnout structures work?

Earnout structures tie a portion of the purchase price to the firm’s future performance. A common arrangement: the buyer pays $1,000,000 at closing and an additional $500,000 over five years, contingent on the firm maintaining at least 80% of its current revenue.

For the seller, earnout payments receive installment treatment under IRC 453. The seller reports gain as payments are received, spreading the tax over the earnout period. If the maximum earnout is determinable, the gain is calculated based on the maximum amount. If the maximum is not determinable (the earnout has no cap), the open-transaction doctrine may apply, allowing the seller to treat each payment as a return of basis until basis is recovered, with all subsequent payments as gain.

Imputed interest rules under IRC 483 apply to deferred payments: if the stated interest rate is below the AFR, interest is imputed, and a portion of each payment is recharacterized from purchase price to interest income (ordinary income to the seller, deductible interest expense to the buyer).

What is the firm’s valuation based on?

Architecture firms are typically valued as a multiple of revenue (0.5x to 1.5x annual revenue) or a multiple of EBITDA (3x to 7x). The specific multiple depends on the firm’s client concentration (a firm dependent on one client is worth less than a diversified firm), the depth of the management team (a founder-dependent firm is worth less than one with a deep bench), the backlog (contracted future work increases value), the geographic and sector diversification, and the transition plan (a smooth transition to new leadership increases value).

For tax purposes, the valuation must be defensible. An independent appraisal is strongly recommended, particularly if the transaction is between related parties (internal sale to junior partners) where the IRS may scrutinize the price.

Related guides:

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Cite this page

Yarik Yarosh, CPA. "Architecture Firm Succession Planning: How to Sell, Transfer, or Transition Ownership." Blue Cloud CPA, September 4, 2026. https://bluecloudcpa.com/guides/architecture-firm-succession-ownership-transition

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.