

You've just received a contractor's invoice. The work is complete, the payment date is approaching, and nobody can answer a basic question: should you send an ACH, initiate a wire, or ask for a tax form first? That moment is common, but it exposes a serious process failure. Paying a contractor isn't a matter of moving money. It's a workflow involving worker classification, documentation, tax reporting, payment method, and timing.
The right answer to “how do you pay a contractor” starts before the invoice reaches your bank account. Confirm that the person is an independent contractor, document the commercial relationship, collect the correct tax information, approve the invoice, and then select a payment rail that fits the country, currency, amount, and reporting obligations. The transfer is the final step, not the system.
The first payment should trigger three decisions, not one.
First, determine whether the worker can legally be treated as a contractor. The U.S. Department of Labor defines misclassification as treating someone who is an employee under the Fair Labor Standards Act as an independent contractor. Independent research cited in the verified guidance estimates that misclassification affects about 10% to 30% of employers in audited state studies, while an IRS estimate found 15% of employers had misclassified 3.4 million workers. Those figures are from the supplied compliance data and should be treated as a warning, not a reason to guess.
Use the relevant IRS and local labor or tax tests. Look at the actual relationship, including who controls the work, how the contractor operates, whether the engagement is project-based, and whether the person runs an independent business. A contract that calls someone an “independent contractor” won't rescue an arrangement that functions like employment.
Second, assemble the paperwork before funds move. At minimum, you need a signed agreement that defines the scope, deliverables, invoice cadence, payment currency, and approval process. You also need the appropriate tax form, verified payout details, and an invoice that clearly connects the requested payment to completed services.
Third, choose the payment method. ACH, a wire, a card, a wallet, or a check can all move money, but they differ in cost, settlement speed, geographic reach, and evidence quality. Your finance team should be able to explain why the selected rail fits the corridor and the engagement.
Practical rule: Never let an urgent invoice become an excuse to skip classification or tax intake. Delay the transfer if the file is incomplete.
A traceable process protects both sides. It gives the contractor a predictable way to get paid and gives the company evidence that it paid for defined services under agreed terms. For cross-border engagements, it also forces the team to address currency conversion, withholding, local reporting, and the payment rules that apply in each jurisdiction.
Documentation is cheaper than a misclassification dispute. The supplied compliance data identifies misclassification as a major risk and cites an IRS estimate involving 15% of employers and 3.4 million workers. The same guidance recommends confirming contractor status under local labor and tax tests, recording contract terms, and paying only against an accepted invoice through a traceable method.
A defensible contractor file should contain these seven items:
The practical methodology is straightforward. Confirm status, write the terms down, accept the invoice, and pay through a traceable method. That sequence reduces disputes and helps preserve evidence that the relationship is service-based rather than employment-like.
Create one contractor record rather than scattering documents across email, accounting software, and personal drives. Store the agreement, tax form, invoice, approval, proof of payment, and any change orders together. Set a review trigger when the scope changes, the engagement becomes open-ended, or the contractor starts working under employee-like direction.
The supplied plan notes proposed a specific multi-year retention period, but that number isn't included in the verified data. Apply your company's record-retention policy and the requirements of the jurisdictions involved, then ask tax counsel whether a longer period is appropriate.
The best payment rail depends on the contractor's location, currency, invoice value, recurrence, and reporting needs. Cost matters, but traceability and predictable settlement matter just as much.
The World Bank reported that the global average cost to send money across borders was 6.36% in Q3 2025, above the UN target of under 3%. The same dataset reported average costs of 14.99% for banks and 4.59% for digital methods, according to the World Bank cross-border payment figures summarized by Omnivoo. That difference is why a modern workflow often combines invoicing, payout routing, and foreign-exchange management.
MethodTypical CostSettlement TimeTraceabilityBest UseACHUsually lower than a wire for domestic transfersDepends on the bank and processing scheduleStrong when linked to an approved invoice and ledgerRecurring domestic contractor paymentsWireHigher fees and possible intermediary chargesOften suitable for urgent or large transfersStrong bank record, but reconcile fees and FX separatelyLarge, one-off, or time-sensitive paymentsCardProcessing fees and possible payment-network complicationsOften quick for the recipientGood transaction record, but classify the expense correctlySmall contractor expenses or approved reimbursementsPayPal or similar walletPlatform fees and possible FX spreadOften fast, subject to account and corridor rulesUseful platform trail, but export records for accountingInternational freelancers who already use the walletCheckPrinting, mailing, and handling costsSlowest and dependent on deliveryAcceptable only with controlled issuance and reconciliationContractors who insist on paper payment
ACH should be your default for recurring domestic contractors when the banking setup supports it. Keep a wire fallback for large or unusual payments, but don't build a five-rail process on day one. Cards work for small reimbursable expenses, while wallet payments can suit international freelancers but may hide FX leakage in the conversion rate.
A check is not automatically wrong. It's harder to control, slower to reconcile, and less useful when the contractor needs funds in another country. The U.S. Federal Acquisition Regulation illustrates the broader principle: electronic funds transfer is required for many contractor payments, while other mechanisms can apply to payments received outside the United States or in a non-U.S. currency.
Collect the tax form before the first payment run. Don't wait until year-end, when the contractor may be unavailable, the address may have changed, and the finance team has to reconstruct an entire payment history.
For a U.S. domestic contractor, request a completed Form W-9. For a foreign individual receiving certain U.S. payments, the relevant form may be Form W-8BEN. A foreign entity may require Form W-8BEN-E. Other jurisdictions use different intake documents and registration systems, so a U.S. form isn't a substitute for local compliance.
The supplied verified data specifically states that U.S. guidance requires collecting a W-9 or W-8 for international contractors and issuing Form 1099-NEC by January 31. Use the contractor's legal name and tax information exactly as provided, then store the form with the engagement record.
Maintain a contractor ledger with:
Reporting obligations vary by location. The following table is a workflow prompt, not a substitute for local tax advice.
Country or regionIntake FormReporting ThresholdFiling DeadlineUnited StatesW-9 for domestic contractors, W-8 series for foreign persons or entities1099-NEC rules may apply to reportable nonemployee compensation1099-NEC is due by January 31 under the supplied verified dataUnited KingdomLocal tax and VAT records, with CIS documentation where applicableDepends on the service and contractor statusFollow HMRC deadlines for the applicable schemeCanadaLocal tax information and GST/HST records where applicableDepends on the payment type and reporting regimeFollow CRA requirements for the applicable return or slipIndiaLocal tax registration and contractor documentationDepends on the payment and withholding categoryCountry-specific TDS deadlines applyEuropean UnionPlatform and local tax records where applicableDAC7 may apply to platform-mediated activityConfirm the relevant reporting window for the platform and jurisdiction
International payments can also involve FX conversion, withholding, VAT treatment, and local labor rules. The India contractor TDS guidance highlights why a payment calendar must include country-specific deadlines rather than only the date an invoice is due.
A U.S. startup hires a senior React developer in Lisbon for a fixed sprint. The company has a signed agreement, an invoice in euros, and a choice between a digital transfer provider, a SWIFT wire, a payout platform, or a managed employment solution.
The first question isn't which provider has the fastest interface. It's whether the relationship is independent, which tax forms and local registrations apply, and whether the company has documented the service, currency, approval, and delivery evidence. The payment method comes after those decisions.
A digital provider such as Wise may offer a practical route when the contractor wants local currency and the company wants visibility into the exchange rate. A SWIFT wire may be appropriate for a large or exceptional payment, but intermediary banks can introduce additional fees, delays, or unclear final settlement amounts. Payoneer and similar platforms can simplify freelancer payouts, while a contractor-payment provider may combine onboarding, documentation, and currency management.
The World Bank figures cited earlier show why this comparison matters. Cross-border costs remain material, and the contractor payments market analysis from Research Intelo estimates the international contractor payments platform market at USD 3.42 billion in 2025, with a projection of USD 7.38 billion by 2031 and a projected 13.67% CAGR. The same source estimates payroll management represented 28.96% of spending in 2025, while large enterprises held 66.84% of revenue. Those figures point to an operating function that has outgrown improvised transfers.
The company should retain the signed agreement, invoice, acceptance evidence, payment confirmation, FX record, and any applicable tax documentation. Add intellectual-property assignment and data-processing terms where the contractor handles company code, customer data, or personal information.
Cross-border payment is a compliance workflow with a currency conversion attached. Treating it as a wire-transfer task is how teams miss the real exposure.
Withholding requires jurisdiction-specific analysis. Don't assume that the payer's country determines every tax obligation, and don't assume that a contractor's invoice eliminates local requirements. Review where services are performed, whether the relationship creates a local presence, which treaty provisions apply, and whether local reporting or withholding rules affect the payment.
Net 30 is a contract convention, not a universal answer. A cadence should reflect the work pattern, the contractor's cash-flow needs, the invoice evidence you need, and the reporting calendar that applies to the engagement.
Use milestones for fixed-scope work. Release payment when the contractor delivers and the company accepts a defined output. This creates a clearer link between money and work than one unexplained month-end amount.
For ongoing retainers, use a consistent recurring schedule such as weekly, biweekly, or monthly, depending on the agreement and the contractor's operating needs. New relationships deserve tighter review and shorter feedback loops until both sides understand the approval process.
Cadence also needs to coexist with tax deadlines. The supplied verified data notes that U.S. contractors may face quarterly estimated tax dates of April 15, June 15, September 15, and January 15, while clients still have a January 31 1099-NEC obligation. A late client payment doesn't erase the contractor's tax responsibilities, and a convenient client schedule doesn't remove the need for clean information reporting.
Turn the process into a playbook that anyone on finance or operations can follow:
Separate approval from payment release. That segregation of duties catches duplicate invoices, altered bank details, and unauthorized scope changes before money leaves the account. Reconcile contractor invoices against the ledger regularly, not only when tax forms are due.
Review active contractors on a recurring basis for changed duties, expanded control, outdated tax information, expired insurance documents, and stale payout details. If the relationship has started to resemble employment, pause the payment workflow and reassess the classification.
We Are Distributed offers contractor-of-record support with compliant agreements, payments, tax documentation, currency management, and offboarding obligations for global engagements.