Tax deferral ⌛ let's you compound savings at your business' internal ROI at the cost of the US Treasury.

The biggest moves in the tax code work by delaying the tax due. Push the bill into the future and you keep using money the government would otherwise have. It's cheap capital.

Here’s the map on major deferral strategies across the lifecycle of a business:

Stage 1: Starting the business

When you put property into a new company in exchange for stock or partnership units, the tax code treats it as the same value simply changing form.

Section 351 covers corporations. Contribute assets and receive stock, and as long as you and your co-founders own at least 80% of the company afterward, no tax is due. Section 721 does the same thing for partnerships and LLCs.

If you’ve built something valuable inside a sole proprietorship (a brand, a customer list, real estate) you can move it into a real entity without writing a check to the IRS on the way in. [Aside - don't put real estate inside a Corp via 721] 🙈🏢

Stage 2: Operating the business

Cost segregation and bonus depreciation. When you buy or build a property, the default is to spread the deduction over 27.5 or 39 years. A cost segregation study breaks the building into faster-depreciating parts: fixtures, finishes, parking lots, land improvements. With bonus depreciation, you pull years of those deductions into year one. You take the same deductions either way; pulling them forward frees up cash that goes back to work in the business.

Profits interests. If your business is an LLC or a partnership, you can give a key hire an "equity" stake without that grant being taxable to them. The hire gets a slice of future profits over key hurdle rates and appreciation but owns nothing if the company were sold today. The grant itself is tax-free at issuance. 🫴 Tax shows up only when real profits arrive or the interest is sold. This is the partnership world’s version of stock options, with cleaner mechanics.

Debt and basis. With a partnership, your share of the company’s debt is added to what the IRS calls your “basis”. This is your running exposed stake in the business. Higher basis means you can deduct more losses against other income and receive more cash distributions without owing tax.

Real estate partnerships use this constantly. They borrow against a building, distribute the cash to the owners, and no one pays tax because the loan sits in everyone’s basis. The bill doesn’t come due until the property sells.

The rules split debt into two buckets. Debt where someone is personally on the hook gets allocated to that person. Real estate loans that no individual personally guarantees (the kind a bank issues against the building itself) get shared based on each owner’s profit share. Structured well, this is one of the most powerful deferral tools in any business that owns real assets.

Stage 3: Reinvesting in assets

Section 1031 lets you sell investment real estate and roll the proceeds into a new property without recognizing the gain. The rules are tight (45 days to identify the next property, 180 days to close) but operators can chain these together for decades. 🏠 ▶️ 🏘️ The real estateurs 401(k) plan.

Section 1033 covers what happens when property is taken from you by a fire, a flood, or a government eminent domain. Reinvest the insurance or condemnation check in similar property and the tax waits.

Stage 4: Buying, merging, restructuring

When companies combine and shareholders take stock instead of cash, Section 368 keeps it tax-free. This covers stock-for-stock deals, full-company mergers, and the multi-entity structures lawyers use to thread liability and tax goals together. The principle from Stage 1 holds: changing the wrapper around a business shouldn’t trigger tax on the value inside.

Section 1045 handles a narrower case. If you sold qualified small business stock too early to get the famous Section 1202 exclusion, you have 60 days to roll the proceeds into new qualified stock and keep the holding clock running. Gotta have held the stock for at least 6 months before this, but the holding period tacks to the new stock!

Stage 5: Exiting

Qualified Small Business Stock. Founders and early employees who hold C-corp stock meeting the §1202 rules can exclude a large share of the gain when they sell. OBBB made it more generous: shorter holding periods now qualify for partial exclusions (3 year - 50%, 4 year - 75%), the dollar cap moved up ($15MM), and bigger companies fit under the size test ($75MM assets). For an early-stage founder, this is the single most powerful provision in the code.

Installment sales. If a buyer pays you over several years instead of all at once, you only owe tax as the cash arrives. The deferral is automatic. The trade-off is the buyer’s credit risk. 🫣

Opportunity Zones. Roll capital gains into a Qualified Opportunity Fund (a vehicle that invests in designated lower-income areas) within 180 days. The original deferral has shortened over the years, but the headline benefit is still in place after the recent OBBB 2025 changes: hold the investment for 10 years and pay no tax on the growth inside it.

The Takeaway

Not every year is a tax deferral year - but when you are in a high tax year, you need to know the levers to pull. And stacking these over the lifecycle of the business can help compound enterprise value powerfully.

A founder who starts under Section 721, operates with cost segregation and smart debt allocation, exchanges real estate under Section 1031, sells and gets profits interests taxed at capital gains rates, and exits part of the business under installment terms has compounded decades of returns on capital the IRS hasn’t touched.

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