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The Messersmith Law Firm, P.A. U.S. Investor and Business Immigration Law

E-2 Investment

E-2 Substantial Investment and the Proportionality Test

How E-2 substantiality is measured, why there is no fixed minimum investment, how the proportionality test works, how total business cost is determined, and how existing businesses differ from startup enterprises.

Legal guide Reviewed by Peter Messersmith Reviewed September 12, 2026 Primary sources linked below
Fixed minimum None
Primary test Investment compared with total enterprise cost
General principle Lower cost business requires a higher investment percentage

What the governing framework requires

E-2 law does not establish a universal minimum dollar investment. A substantial investment is evaluated in relation to the total cost of purchasing the existing enterprise or creating the type of enterprise under consideration. The investment must also demonstrate the investor's financial commitment and be large enough to support the likelihood that the investor will successfully develop and direct the enterprise. The lower the total cost of the business, the higher the percentage of that cost the investor generally must commit.

The proportionality test compares qualifying investment with the cost of the business

The Foreign Affairs Manual describes substantiality through a proportionality test. The adjudicator compares the qualifying funds actually invested or irrevocably committed with the cost of purchasing or establishing the particular enterprise.

The result is not evaluated through a fixed percentage rule. The Department of State describes the test as an inverted sliding scale because a low cost enterprise ordinarily requires the investor to commit a much larger percentage of the total cost than an extremely expensive enterprise.

The current FAM illustrates the concept at both ends of the scale. It explains that a 100 percent investment would normally satisfy substantiality for a business requiring approximately $100,000 in startup cost. At the opposite end, it explains that an investment of $10 million in a $100 million enterprise may be substantial because of the magnitude of the investment.

Those examples illustrate the test. They are not safe harbors and do not establish mandatory dollar or percentage thresholds for every business.

Business characteristicSubstantiality consequence
Low total startup or acquisition costA high percentage of the total cost ordinarily must be invested.
Moderate cost enterpriseThe qualifying investment is measured against the documented total cost and the nature of the enterprise.
Very high cost enterpriseA lower proportional percentage may still be substantial when the absolute capital commitment is very large.

The substantiality analysis depends on a defensible calculation of total enterprise cost

The proportionality calculation is only as reliable as the business cost used in the comparison.

For an existing enterprise, the analysis commonly looks to the purchase price or fair value of the business represented by the transaction. The purchase agreement, valuation evidence, financial records, asset schedules, and allocation of the acquisition price may all help explain what the investor is acquiring.

For a startup, the relevant cost is generally the amount needed to establish the type of enterprise to the point that it can operate. The answer depends on the actual business model rather than an abstract estimate of how much someone might choose to spend.

Potential startup costs can include:

  • equipment;
  • inventory;
  • lease deposits and rent;
  • leasehold improvements;
  • licenses and permits;
  • franchise or acquisition fees;
  • technology and software;
  • initial professional expenses;
  • insurance;
  • marketing and launch expenses; and
  • other costs genuinely required to bring the enterprise to operational readiness.

A startup budget should be supported by invoices, contracts, purchase orders, lease documents, market pricing, business records, or other objective evidence where appropriate.

Not every dollar associated with the business automatically belongs in the substantiality numerator

The amount compared with enterprise cost should consist of capital that qualifies as an E-2 investment.

That distinction is important because the substantiality test does not convert uncommitted money into investment capital. Funds that remain revocable or merely available for a future investment generally do not count simply because the investor intends to use them later.

Likewise, financing must be analyzed under the E-2 investment rules. Debt secured by the assets of the enterprise generally does not represent the investor's qualifying personal risk. Qualifying unsecured debt or indebtedness secured by the investor's personal assets may be treated differently.

The analysis should therefore identify the total enterprise cost and then separately identify which expenditures, transferred assets, escrowed funds, or other committed capital actually qualify as E-2 investment.

Review the E-2 investment at risk and irrevocable commitment requirements

Buying an existing business and creating a startup require different substantiality evidence

Existing business

An acquisition ordinarily provides a more visible enterprise cost because the investor has negotiated a purchase price for an operating business. The evidence may include the purchase agreement, closing statement, valuation material, financial statements, asset schedules, escrow records, and proof of capital committed to the acquisition.

If the investor purchases only part of a business, the ownership acquired and amount paid should be analyzed together with the capitalization and value of the enterprise.

Startup enterprise

A startup has no negotiated acquisition price for the complete business. The investor must therefore establish what it reasonably costs to create the contemplated type of enterprise.

A realistic startup cost analysis is especially important for service businesses, online businesses, professional enterprises, consulting firms, and other models that may require substantially less physical infrastructure than a restaurant, factory, hotel, or retail operation.

A lower cost model is not disqualified merely because it requires less capital. The consequence is that the investor ordinarily must demonstrate a higher proportional commitment to the actual cost of establishing it.

Illustrative calculations help explain the test but should not be treated as approval formulas

The following examples illustrate how the proportionality concept works. They are not government safe harbors and do not predict approval.

Hypothetical enterpriseTotal documented costQualifying capital committedRatio
Small service startup$90,000$85,00094.4%
Retail acquisition$300,000$225,00075%
Capital intensive enterprise$2,000,000$800,00040%

The ratios alone do not determine eligibility. An adjudicator must still consider whether the capital itself qualifies as invested, whether the business cost is credible, whether the amount demonstrates real commitment, and whether the overall record supports the investor's ability to develop and direct the enterprise.

The first hypothetical also demonstrates why asking only “how much money is enough for E-2?” can produce a misleading answer. A relatively modest absolute amount can represent nearly all of the capital required for one business while representing only a small fraction of the cost of another.

The filing should show both sides of the proportionality calculation

A strong substantiality presentation makes the calculation reproducible.

Total enterprise cost

  • Purchase agreement
  • Startup budget
  • Equipment quotations
  • Lease and buildout costs
  • Inventory records
  • Franchise documents
  • Valuation material where relevant

Qualifying investment

  • Bank transfers
  • Escrow records
  • Invoices and receipts
  • Purchase payments
  • Equipment purchases
  • Lease payments
  • Committed contractual expenditures

Reconciliation

  • Investment schedule
  • Business plan
  • Source and path records
  • Accounting records
  • Transaction chronology
  • Explanation of excluded amounts

The filing should avoid presenting one unexplained investment number in the legal brief and a different amount in the business plan, forms, bank records, or acquisition documents.

Substantiality is strongest when the adjudicator can identify the cost of the particular enterprise, identify the capital that legally qualifies as investment, and understand why the resulting commitment is substantial for that specific business.

Frequently asked questions

What is the minimum investment required for an E-2 visa?

There is no fixed minimum dollar amount. Substantiality is evaluated in relation to the total cost and nature of the particular enterprise.

Is $100,000 enough for an E-2 visa?

It may be sufficient for some enterprises and insufficient for others. The legal question is how the qualifying investment compares with the documented cost of purchasing or establishing the particular business.

Does E-2 require investing 100 percent of the cost of the business?

Not universally. Lower cost businesses generally require a higher proportional investment. The regulations use an inverted sliding scale rather than a fixed percentage rule.

How is the cost of a new E-2 business calculated?

The analysis generally examines the amount reasonably necessary to establish the particular type of enterprise to the point it can operate, supported by objective startup and transaction evidence.

Can a low cost consulting or service company qualify for E-2?

Potentially. A low cost business is not disqualified merely because it requires less capital, but the investor generally must commit a high proportion of the actual cost and satisfy all other E-2 requirements.

Is substantiality the same as having funds at risk?

No. Substantiality measures the magnitude of qualifying investment relative to the enterprise. The at risk requirement addresses whether the investor actually controls and irrevocably commits capital subject to commercial loss.

Primary authorities and official guidance

This guide was reviewed against the following government sources. Agency pages and regulations can change; confirm current editions and filing instructions before acting.

  1. 9 FAM 402.9-6(D) — E-2 Substantial Investment Current Department of State guidance on substantiality, proportionality, enterprise cost, and the inverted sliding scale.
  2. 22 C.F.R. § 41.51(b)(9) — Substantial Amount of Capital Department of State regulation defining substantial E-2 capital and the proportionality standard.
  3. 8 C.F.R. § 214.2(e)(14) — Substantial Amount of Capital Department of Homeland Security regulation defining substantial investment for E status.
  4. U.S. Department of State — Treaty Investor Visas Official State Department E-2 overview confirming that the investment must be substantial and sufficient for successful operation.
Editorial note: This page provides general legal information, not a prediction of outcome or legal advice for a particular matter. Legal content reviewed by Peter Messersmith , Senior Immigration Attorney, The Messersmith Law Firm, P.A..

Case-specific review

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