Form 1120 • Form 5472 • Transfer Pricing • Intercompany Service Fees • Withholding

By Alex Oware, CPA and Tax Attorney

Article Focus

A UK limited company owns a Delaware corporation. The U.S. company contracts with American customers, collects the revenue, and pays the UK parent for services under an intercompany agreement. This article explains what the U.S. corporation files, how the service fee is tested, and when withholding or additional foreign-company filings may arise.

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Quick Summary

• The Delaware corporation is a separate U.S. taxpayer and generally files a complete Form 1120 each year.
• Customer receipts earned under the U.S. corporation’s contracts are reported as its gross receipts; payments to the UK parent are analyzed separately as deductions.
• The intercompany service charge must reflect services actually performed, benefit the U.S. corporation, satisfy ordinary deduction rules, and produce an arm’s-length result under section 482.
• Form 5472 is generally required for reportable transactions with the UK parent and separately for each additional related party.
• Services physically performed in the United Kingdom are generally foreign-source; genuine foreign-source service fees ordinarily fall outside chapter 3 withholding and Form 1042-S reporting.
• The result changes when services are performed in the United States, the payment includes royalties or interest, the UK company has a U.S. business presence, or the year-end fee is not properly accrued or substantiated.

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Who This Applies To

This FAQ is designed for a recurring cross-border structure with the following features:

• A UK limited company owns at least 25% of a Delaware corporation.
• The Delaware entity is an actual corporation—not a disregarded single-member LLC.
• The U.S. corporation signs contracts with U.S. customers and receives the customer payments.
• The UK parent performs consulting, technical, management, educational, creative, or other professional services for the U.S. corporation.
• The entities use an intercompany service agreement and settle invoices across the Atlantic.
• The U.S. corporation previously filed Form 1120 and now needs its annual continuation return.

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Core Tax Rule in One Paragraph

The Delaware corporation reports the revenue it earns and deducts only expenses that are ordinary, necessary, properly timed, substantiated, and—when paid to the UK parent—priced at arm’s length. Section 482 asks what independent parties would have agreed to under comparable circumstances. Form 5472 then discloses the controlled transactions. It does not validate the deduction, pricing method, withholding treatment, or timing of the expense.

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Frequently Asked Questions

1. Is the Delaware entity a corporation or a single-member LLC?

The Delaware formation document and prior return settle the threshold issue. An entity incorporated under Delaware corporate law is generally a domestic corporation and files a complete Form 1120.

The pro forma Form 1120 used as a cover for Form 5472 applies to certain foreign-owned disregarded LLCs. It does not replace the full corporate return for an actual Delaware corporation.

Practical check

Review the Certificate of Incorporation and the complete prior-year return—not only Form 8879-CORP, which is an e-file authorization.

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2. What does the U.S. corporation report on Form 1120?

Form 1120 reports the corporation’s gross receipts, deductions, taxable income, credits, tax payments, and other required information. A domestic corporation generally files whether or not it has taxable income.

If the U.S. corporation signs the customer contracts, invoices the customers, controls collection, and bears the customer relationship, it generally reports the gross customer revenue. It does not simply report the cash left after transfers to the UK parent.

• Gross receipts from U.S. and other customers.
• Operating expenses and professional costs.
• Intercompany service fees, royalties, interest, or reimbursements by their actual character.
• Related-party receivables, payables, loans, and equity transactions.
• Book-to-tax adjustments and required balance-sheet information.

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3. Can the corporation deduct service fees paid to its UK parent?

Generally, yes—but only to the extent the charge represents services actually performed for the U.S. corporation, provides a real business benefit, satisfies the ordinary deduction rules, and reflects an arm’s-length price.

An agreement and invoice are necessary evidence, but they are not enough by themselves. The work performed, costs incurred, deliverables, benefits, and pricing calculation must support the deduction.

Do not collapse two questions

Form 5472 asks whether the transaction must be disclosed. Section 162 and section 482 ask whether the expense is deductible and correctly priced.

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4. What does “arm’s length” mean for an intercompany service charge?

The arm’s-length standard asks what independent enterprises would have charged under comparable circumstances. The analysis focuses on the actual transaction rather than a desired U.S. tax result.

For controlled services, the regulations recognize several methods. The best method is the one that provides the most reliable measure given the available facts and data.

• Services cost method for qualifying covered services.
• Comparable uncontrolled services price method.
• Gross services margin method.
• Cost of services plus method.
• Comparable profits method.
• Profit split or another reliable method when appropriate.

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5. Is cost-plus always the correct method?

No. Cost-plus can be appropriate for routine services when the cost base is identifiable and the markup is supported, but it is not mandatory in every case.

A market-rate or comparable uncontrolled price may be more reliable when the UK company provides the same services to unrelated clients. A profit-based method may be more appropriate when direct comparables are weak. The services cost method may permit no markup for qualifying covered services, but it is not a blanket rule for core revenue-producing work.

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6. Can the U.S. corporation pay nearly all its revenue to the UK parent?

A large payment can be supportable when the UK company performs nearly all substantive work, incurs most relevant costs, bears significant risk, or owns valuable know-how.

A near-zero U.S. profit is difficult to defend when the U.S. corporation controls customers, pricing, contracts, collections, performance risk, or other economically important functions without receiving an appropriate return.

Better framing

Do not begin with “How much profit should remain in the United States?” Begin with “What does each company actually do, use, own, and risk?”

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7. What documentation should support the annual charge?

The file should connect the legal agreement to the accounting records and the work actually performed. Documentation should be prepared contemporaneously rather than reconstructed only after an IRS request.

• Signed intercompany service agreement and amendments.
• Detailed invoices identifying service categories and periods.
• Time records, project summaries, or deliverables.
• UK payroll, contractor, software, and allocable overhead schedules.
• Benefit analysis showing why the U.S. corporation needed the services.
• Pricing method, comparables, markup support, and calculation workbook.
• Functional analysis describing each company’s functions, assets, and risks.
• Reconciliation of invoices, bank transfers, general-ledger accounts, Form 1120, and Form 5472.

Penalty documentation

Transfer-pricing penalty documentation generally must exist when the return is filed and be provided within 30 days of an IRS request to satisfy the regulatory documentation framework.

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8. Does an unpaid year-end service-fee accrual automatically create a deduction?

No. The corporation must first satisfy the normal accrual-method rules, including whether the liability is fixed, reasonably determinable, and supported by economic performance.

Section 267(a)(3) contains special matching rules for amounts owed to related foreign persons. Current regulations provide exceptions for certain foreign-source non-interest amounts that are not effectively connected with a U.S. trade or business and for certain treaty-exempt amounts. A genuine foreign-source service fee may therefore avoid the foreign-payee cash-method rule, but the deduction is still not automatic: the ordinary timing rules, transaction character, and facts must be reviewed.

Year-end control

Reconcile the invoice date, service period, payment date, intercompany payable, currency conversion, and the UK company’s corresponding income treatment before finalizing the return.

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9. Why is Form 5472 required?

A U.S. corporation that is at least 25% foreign-owned generally files Form 5472 when it has a reportable transaction with a foreign or domestic related party.

The UK parent is a related party. Service fees, loans, interest, royalties, purchases, sales, commissions, reimbursements, and certain nonmonetary dealings may be reportable. Form 5472 is attached to the corporation’s complete Form 1120.

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10. Does the corporation need more than one Form 5472?

Possibly. A separate Form 5472 is generally filed for each related person with whom the reporting corporation had a reportable transaction.

One UK parent with reportable transactions commonly means one Form 5472. A second related financing company, intellectual-property company, sister corporation, or commonly controlled service provider can require another form and a separate transaction reconciliation.

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11. Should the corporation obtain Form W-8BEN-E from the UK company?

Generally, yes. Form W-8BEN-E documents the foreign entity’s status for chapter 3 and chapter 4 purposes and, where applicable, a treaty claim. The U.S. corporation retains the form rather than filing it annually with the return.

A valid form should identify the beneficial owner, country of organization, entity classification, permanent address, foreign TIN, FATCA status, and any treaty position. It does not prove that the service fee is deductible or arm’s length.

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12. Are UK service fees subject to 30% U.S. withholding?

Genuine compensation for services performed entirely outside the United States is generally foreign-source. Foreign-source service income ordinarily falls outside chapter 3 withholding and Form 1042-S reporting.

The payer must still characterize the payment correctly. A line item called “services” may include royalties, interest, rent, a dividend, or U.S.-performed services, each of which follows different sourcing and withholding rules.

• Confirm where the people performing the work were physically located.
• Separate services from intellectual-property rights or financing.
• Retain the W-8BEN-E and payment-source analysis.
• Allocate mixed U.S. and foreign services using a reasonable method.

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13. What changes if some services are performed in the United States?

The U.S.-performed portion is generally U.S.-source service income. The parties must then consider whether the UK company is engaged in a U.S. trade or business, whether the income is effectively connected, whether Form W-8ECI is appropriate, and whether Forms 1042 and 1042-S or Form 1120-F are required.

A treaty may limit U.S. taxation when the UK enterprise lacks a U.S. permanent establishment, but treaty relief is not assumed merely because the payee is UK-resident. Eligibility, limitation-on-benefits provisions, U.S. activities, and disclosure requirements must be tested.

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14. Does the U.S.-UK treaty eliminate tax for the Delaware corporation?

No. The Delaware corporation is a domestic U.S. taxpayer. The treaty does not erase its gross receipts or permit unsupported deductions.

The treaty may affect payments to the UK parent, whether the UK company has a U.S. permanent establishment, withholding rates on interest or royalties, and relief from double taxation. Transfer-pricing and competent-authority provisions may also become relevant if either country adjusts the controlled transactions.

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15. What records are needed to prepare the annual return?

A clean profit-and-loss statement is not enough by itself. The return preparer should receive complete accounting and related-party support.

• Year-end profit and loss, balance sheet, trial balance, and general ledger.
• Fixed-asset and depreciation schedules.
• Ownership chart and shareholder details.
• Intercompany agreement, invoices, transfers, and year-end balances.
• Transfer-pricing calculation or memorandum.
• Prior Form 1120, Form 5472, depreciation schedules, and carryforward information.
• W-8BEN-E and any withholding analysis.
• Delaware franchise-tax confirmation.

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Common Mistakes and Corrections

Calling the company an LLC

Correction: Confirm the legal entity and review the complete prior Form 1120 before choosing the filing regime.

Treating every transfer to the UK as deductible

Correction: Classify the payment, prove the service and benefit, test timing, and support the arm’s-length amount.

Using “reasonable” as a subjective standard

Correction: Document the best pricing method, available comparables, cost base, markup, and functional analysis.

Relying on the agreement without performance evidence

Correction: Retain invoices, time records, deliverables, cost schedules, and payment reconciliations.

Assuming every UK payment is free from withholding

Correction: Separate foreign-source services from U.S.-source services, royalties, interest, rents, and dividends.

Filing Form 5472 without reconciling it

Correction: Tie the form to the ledger, bank transfers, Form 1120 deductions, and year-end intercompany balances.

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Deadlines and Penalty Exposure

Form 1120. A calendar-year corporation generally files by April 15. Form 7004 extends the time to file, not the time to pay. Late-filing and late-payment additions depend on the facts and unpaid tax.

Form 5472. A complete Form 5472 is due with Form 1120. The initial penalty is generally $25,000 for each failure. If the failure continues more than 90 days after IRS notice, additional $25,000 penalties may apply for each 30-day period or part of one, with no stated maximum continuation penalty.

Transfer pricing. An IRS adjustment can increase taxable income and may trigger a 20% or 40% accuracy-related penalty when the statutory thresholds and documentation rules apply. Documentation is not automatic penalty protection; the method and application must be reasonable.

Forms 1042 and 1042-S. When required, they are generally due March 15 after the payment year. Withholding, deposit, reporting, and recipient-statement failures have separate consequences.

Delaware. The annual report and franchise tax are due March 1. Delaware currently imposes a $200 late-report penalty plus 1.5% monthly interest on unpaid tax and penalty.

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Practical Examples

A. UK parent performs the substantive project work

A Delaware corporation earns $300,000 from U.S. customers. The UK parent employs or contracts with the people who deliver the work, incurs $210,000 of relevant costs, and bears the principal delivery risk. A supported controlled-services method produces a $231,000 charge.

The U.S. corporation reports $300,000 of gross receipts, deducts the service fee if the deduction and timing requirements are satisfied, reports the transaction on Form 5472, retains Form W-8BEN-E, and keeps the pricing support. If all services were performed in the United Kingdom and no other income component exists, chapter 3 withholding and Form 1042-S ordinarily do not apply to the service fee.

B. The service fee eliminates U.S. profit without evidence

A U.S. corporation earns $400,000 and pays $395,000 to the UK parent. The UK company provides limited administrative support, has $40,000 of relevant costs, and has no time records, comparables, cost schedule, or pricing memorandum.

Form 5472 may accurately disclose the payment, but disclosure does not establish the deduction. The IRS may reduce the expense, increase U.S. taxable income, and consider transfer-pricing penalties.

C. Services occur in both the United Kingdom and the United States

The UK company charges $120,000, but the owner performs 45 workdays in the United States. The parties should allocate the compensation, evaluate whether the UK company has a U.S. trade or business or permanent establishment, choose the proper withholding certificate, and determine whether Forms 1042, 1042-S, or 1120-F are required.

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IRS-Grounded Source Notes

The following official sources support the principal federal conclusions in this article. The links are included for direct verification and future updates.

IRS Instructions for Form 1120 (2025)

Domestic corporations generally file Form 1120 whether or not they have taxable income; the instructions also address filing deadlines and related return mechanics.

IRS Instructions for Form 5472

Defines a 25% foreign-owned reporting corporation, related parties, reportable transactions, separate-form requirements, and the $25,000 penalty framework.

IRS Transfer Pricing Documentation Best-Practices FAQs

Explains the section 6662 documentation framework, contemporaneous-documentation expectation, best-method support, and 30-day response requirement.

IRS Internal Revenue Bulletin 2009-33 — Treasury Regulation §1.482-9

Lists the controlled-services methods and anchors the arm’s-length and best-method analysis for intercompany services.

IRS Publication 515 (2026)

Explains chapter 3 withholding, source rules for personal services, documentation, and reporting for payments to foreign persons.

IRS Instructions for Form W-8BEN-E

Explains how a foreign entity documents beneficial-owner, chapter 3, chapter 4, and treaty status.

IRS Instructions for Form 1042-S (2026)

Explains reportable foreign-person payments, March 15 filing and furnishing deadlines, and information-reporting mechanics.

IRS U.S.-UK Tax Treaty Documents

Provides the treaty, protocols, and technical explanations relevant to business profits, permanent establishment, withholding, and competent-authority relief.

IRS Internal Revenue Bulletin 2020-42 — Section 267 Foreign-Payee Rules

Summarizes the foreign-related-party matching rule and the exceptions for certain foreign-source, treaty-exempt, and effectively connected amounts.

Delaware Corporate Source Note

Delaware Division of Corporations — Annual Report and Franchise Tax Information

Official state guidance confirms the March 1 deadline, $50 annual-report fee for nonexempt domestic corporations, current minimum franchise-tax methods, and state late-report penalty and interest.

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Closing

A UK-owned Delaware corporation is not merely a collection account that passes customer cash to the United Kingdom. It is a separate U.S. taxpayer that reports its revenue and deducts only expenses that are properly characterized, substantiated, timed, and priced.

The intercompany agreement is the starting point. The annual return must connect the agreement to the work performed, pricing method, financial records, payment source, withholding documentation, Form 1120, and Form 5472.

Final Takeaway

Form 1120 computes the U.S. corporation’s taxable income. Form 5472 discloses controlled transactions. Section 482 determines whether the intercompany service charge reflects what independent parties would have agreed to.

Professional-Use Disclaimer

This article is provided for educational purposes and necessarily presents a simplified overview of federal tax and Delaware corporate rules. The correct treatment depends on the parties’ contracts, entity classifications, locations where services are performed, functions and risks, intellectual-property ownership and use, payment characterization, accounting methods, treaty eligibility, intercompany balances, and the documentation available for the applicable tax year.

Professional review is recommended before finalizing an intercompany service charge, selecting a transfer-pricing method, claiming treaty benefits, or concluding that U.S. withholding, Form 1042-S, Form 1120-F, or other foreign-company filing obligations do not apply.

For a fact-specific review of your cross-border structure, Form 1120 and Form 5472 obligations, intercompany service fees, transfer-pricing documentation, withholding exposure, and treaty position, book a paid consultation with our firm.