US Hiring Mistakes | 9 Things International Companies Get Wrong When Building American Teams

Hiring in the United States is not harder than hiring in the UK or Europe. It is just different in ways that catch international companies off guard at predictable points in the process.

The mistakes are consistent. We see the same errors from companies that have done their research and from those that have not. The US job market, US employment law, and US candidate expectations all work differently enough from European norms that good intentions and solid experience at home do not protect you from them.

At Foothold America, we work with UK and European companies through their first US hires every week. This guide covers the nine mistakes we see most often, with enough specificity to be useful rather than generic. Every mistake here is real. Every consequence is documented.

Why US Hiring Is Different From What You Know at Home

Before getting into the specific mistakes, it is worth understanding the structural reason they happen so consistently.

UK and European employers have deep experience hiring in markets they understand. They know the norms, the law, the candidate expectations, and the cultural dynamics. When they come to the US, that experience can work against them, because the surface similarities disguise significant differences underneath.

At-will employment looks like less protection than European norms, but comes with a more litigious candidate culture that creates different risks. The absence of statutory notice periods looks like flexibility, but creates its own termination complexity. The requirement to fund healthcare looks like a burden, but shapes candidate expectations in ways that cannot be ignored.

The companies that make these mistakes are not careless. They are experienced employers who have mapped their domestic understanding onto a market where that map does not apply.

How US Hiring Differs From UK and European Hiring: At a Glance

Before diving into specific mistakes, here is a direct comparison of the key differences that cause the most problems for international employers.

Mistake 1: Setting Salary at UK or European Rates

This is the most common and most damaging mistake in US hiring for international companies. It loses candidates before the process has properly started.

US professional salaries are generally higher than UK equivalents in most sectors, and significantly higher than most European markets, even after accounting for the fact that US employees fund a larger share of their own healthcare through payroll deductions.

USXP’s research on US market entry is direct on this: European founders consistently benchmark their first US hires against European salary scales, apply a rough conversion, and post that figure. The result is a compensation package that experienced US candidates can immediately identify as below market, which signals either that the company does not understand the US market or that it is not serious about competing for US talent.

The practical consequence: you attract candidates who cannot get competitive offers elsewhere, which is not the talent pool you want for your first US team.

What to do instead: Benchmark salaries against US market data for the specific role, seniority level, and city. Our US salary benchmarking guide covers how to do this correctly. Never convert your UK salary for the role and post that number.

Mistake 2: Misclassifying Employees as Independent Contractors

This is the most legally and financially dangerous mistake international companies make in US hiring, and it is also one of the most common.

The appeal is obvious: hiring a contractor avoids the cost and complexity of employment taxes, health insurance, workers’ compensation, and benefits. It also avoids the need for a US entity or EOR arrangement. The problem is that US law has strict tests for who qualifies as an independent contractor versus an employee, and the decision is made on the reality of the working relationship, not on what the contract says.

The IRS applies a multi-factor test examining behavioural control, financial control, and the type of relationship. The Department of Labor applies its own economic realities test. California applies the ABC test, one of the most employee-protective classification standards in the country.

The consequences of misclassification are serious:

• Back payment of employer FICA taxes on all wages paid to the misclassified worker
• FUTA and SUTA liability going back to the start of the arrangement
• Penalties and interest on unpaid taxes
• Potential back payment of benefits the worker should have received
• Civil claims from the worker for unpaid overtime, benefits, and other employment protections

Multiple 2026 compliance guides confirm, including BOSS Magazine and Playroll’s international hiring compliance analysis, that misclassification remains the most common and most costly compliance error in international hiring. The cost of getting it wrong consistently exceeds the cost of correct employment from the start.

What to do instead: Treat your US hires as employees. Use an Employer of Record to make employment legally and compliantly structured from day one without needing a US entity. Our US employee classification guide explains the tests in detail.

Mistake 3: Using a UK or European Offer Letter Template

This mistake sits in the gap between good intentions and US legal requirements.

Most international companies write a US offer letter based on their home-country template, adjusted for the salary and start date. This produces a document that is missing several things US employment requires and may include clauses that are legally problematic in the employee’s state.

What a US offer letter needs that a UK template will not include:

• At-will statement: Confirming that employment is at-will and can be terminated by either party at any time without cause. Missing this can inadvertently create an implied contract of employment.
• State-specific language: Some states (California, Massachusetts, New York) require specific disclosures in offer letters that do not exist in UK employment documentation.
• Benefits summary: US candidates expect a clear statement of what health insurance, 401(k), and other benefits are included.
• Compensation structure clarity: Total compensation, including base salary, bonus structure, equity (if applicable), and commission plans must be clearly defined. US candidates compare these in detail.

What a UK template includes that creates problems in the US:

• Notice period clauses that imply the employment is not at-will in states where this creates contractual obligations
• References to UK statutory entitlements that do not apply and create confusion about what the employee is entitled to
• Probationary period language that, in some states, has unintended legal implications

Our guide to US employment letters covers what must be in every US offer letter and what to remove from a UK template.

Mistake 4: Ignoring Pay Transparency Law Requirements

This is a mistake that has become significantly more costly in 2026 as the number of US states with mandatory salary disclosure requirements has grown.

As of 2026, 16 states plus Washington DC require salary ranges to be included in job postings. These include California, Colorado, New York, Washington, Illinois, New Jersey, and Massachusetts. For remote roles, the laws of any state where the work could be performed typically apply.

A UK company posting a remote US role without a salary range is potentially non-compliant in more than a dozen states simultaneously. Penalties range from $100 to $250,000 per violation depending on the jurisdiction.

Beyond legal compliance, there is a practical dimension: job postings without salary ranges consistently attract fewer and lower-quality applicants in competitive US markets. In states where disclosure is not legally required, voluntary disclosure still improves application volume and candidate quality.

What to do instead: Include a salary range in every US job posting. Make it a real range that reflects what you expect to pay, not an artificially wide band designed to avoid the intent of the law. California’s SB 642, effective January 2026, specifically targets bands that are too wide to be meaningful.

Our guide to writing US job descriptions covers pay transparency requirements in detail.

Mistake 5: Posting a Job Description That Loses Candidates in the First Read

The job description is often the first substantive signal a US candidate gets about your company. UK-written job descriptions consistently underperform in the US market for three specific reasons.

The tone is too passive. UK job descriptions frequently use passive, duty-list language: “responsible for reporting to senior management.” US job descriptions use active, outcome-oriented language: “deliver weekly revenue reports to the VP of Sales with analysis and recommendations.” The difference affects which candidates apply and how seriously they take the role.

The requirements list is over-specified. Listing “degree from a Russell Group university” or “minimum 12 years of experience” for a role that actually requires 5 is both legally risky (potential age discrimination under the ADEA) and commercially counterproductive. US best practice separates requirements clearly into “required” and “preferred” and avoids credential barriers that do not map to actual job performance.

The cultural signals are wrong. Language that reads as credible and professional in a UK context can read as stiff or over-formal to US candidates, particularly in technology and professional services. US job descriptions are direct, specific, and focused on what success looks like rather than what duties the role encompasses.

The practical consequence: you get fewer applications and worse candidate fit from your US postings than your role and company deserve.

Mistake 6: Asking the Wrong Questions in the Hiring Process

US employment law creates specific restrictions on what you can ask candidates in interviews and on application forms. Several of these restrictions do not exist in the UK and catch international employers by surprise.

Questions you cannot ask (federal and/or common state requirements):

• Age: You cannot ask a candidate their age or year of birth. The Age Discrimination in Employment Act (ADEA) protects workers aged 40 and over.
• Marital or family status: You cannot ask whether a candidate is married, has children, or plans to have children.
• National origin or citizenship: You can verify that a candidate is authorised to work in the US (which you must do via I-9 after an offer), but you cannot ask where they or their parents were born during an interview.
• Medical history: You cannot ask about disabilities or health conditions before making a conditional offer. The ADA requires this separation.
• Salary history: Over 20 US states and numerous cities have enacted salary history bans. You cannot ask candidates what they currently earn or what they earned in a previous role.
• Criminal history in the application: In states and cities with ban-the-box laws, including California, New York, Illinois, and many others, you cannot ask about criminal convictions in the initial job application. Criminal history checks must occur after a conditional offer in these jurisdictions.

The practical risk: Asking a prohibited question does not automatically create liability, but it does create evidence that can support a discrimination claim if the candidate is not hired. The EEOC provides specific guidance on pre-employment inquiries that all US employers must follow regardless of company size or location. Having a standard interview structure that avoids these questions entirely is the simplest protection.

Mistake 7: Moving Too Slowly and Losing Candidates

US hiring timelines are faster than UK or European equivalents, and the competitive data makes the cost of slowness concrete.

Strong US data science and AI candidates are typically off the market within three to four weeks of starting their search. For professional roles more broadly, an offer in hand from another employer within two to three weeks of beginning interviews is common in competitive markets.

International companies consistently lose US candidates to faster-moving employers at specific points in the process:

• Too many interview rounds. Three to four rounds is the market norm. Five or more signals indecision.
• Long gaps between stages. A two-week silence after a strong first interview reads as disinterest in a US candidate context.
• Compensation approval requiring sign-off from a European head office in a different timezone that has not been factored into the process.
• Reference checking that takes weeks rather than days. US reference checks are typically shorter and completed faster than UK equivalents.

What to do instead: Design your US hiring process before you post the role. Know how many rounds you will run, who will be involved, and what approval is needed before you can make an offer. Build the approval chain before the process starts, not after you want to offer.

Mistake 8: Offering No 401(k) and Wondering Why Strong Candidates Decline

This mistake is understandable: the 401(k) has no precise UK equivalent and is easy to deprioritise when you are focused on getting the health insurance right. But the absence of a 401(k) match is visible to US candidates in a way that costs you hires.

US professionals in skilled and professional roles check 401(k) matching as part of evaluating a compensation package. A competitive minimum is a 50% match on the first 6% of salary the employee contributes, equivalent to a 3% employer contribution. No match at all is a meaningful disadvantage against employers who offer it.

The cost is not prohibitive. For a $100,000 salary, a 3% employer match costs $3,000 per year. That is the cost of competing for talent in the US professional market.

Through an EOR or PEO+ arrangement, your employees access a 401(k) plan with matching from day one, with all ERISA compliance and plan administration handled within the service. You do not need to source a plan administrator or set up independent ERISA filings for your first US hire.

Our 401(k) guide for international companies explains the structure, the options, and what competitive matching looks like by sector.

Mistake 9b: Missing I-9 Verification Requirements

Every US employer must verify that employees are legally authorised to work in the United States by completing Form I-9. This must happen within three business days of the employee’s first day of work, not before the offer is accepted, not at some point during onboarding, but within three business days of starting.

International employers frequently miss or mishandle I-9 compliance because there is no direct equivalent in the UK or European employment systems. The UK has right-to-work checks, which are conceptually similar but structurally different.

What I-9 compliance requires:

• The employee must complete Section 1 of Form I-9 on or before their first day
• The employer must physically examine the employee’s identity and work authorisation documents and complete Section 2 within three business days
• You must accept any document from the List of Acceptable Documents: you cannot request a specific document type
• I-9 records must be retained for three years from the hire date or one year from the employment end date, whichever is later

The consequences of non-compliance are significant. The Department of Homeland Security’s Immigration and Customs Enforcement (ICE) conducts I-9 audits. Civil penalties for paperwork violations run from $272 to $2,701 per violation. Knowingly employing someone not authorised to work in the US carries far higher penalties.

For remote hires, where the employer cannot physically examine documents, the rules have changed. Since 2023, employers enrolled in E-Verify can use a remote examination process. Otherwise, an authorised representative must physically examine documents on behalf of the employer.

This is an area where EOR arrangements remove the burden entirely: the EOR manages I-9 compliance on your behalf for every hire.

Mistake 9: Handling the First US Termination Without Guidance

At some point, a US hire does not work out. How you handle it matters significantly. This is where international companies most commonly face serious legal risk.

At-will employment means either party can end the relationship at any time without cause in most states. This is true. What international employers often do not understand is that at-will employment does not protect against:

• Discrimination claims: If the terminated employee is a member of a protected class (and everyone is a member of multiple protected classes), the termination can be challenged on discrimination grounds even if the employer had legitimate business reasons. Documentation of performance issues, consistent treatment of similarly situated employees, and a clear, business-reason explanation for the decision are the protections.
• State-specific final pay requirements: California requires final pay at the time of termination in most circumstances. Texas requires payment by the next regular payday. New York requires payment by the next regular payday. Getting this wrong carries penalties.
• COBRA notice deadlines: The employer must notify the plan administrator within 30 days of a qualifying event. The plan administrator then has 14 days to send the COBRA election notice to the former employee. Missing this deadline carries penalties of up to $110 per day per beneficiary.
• State-specific documentation requirements: Several states require specific written notices at termination.

The risk is real. A termination handled incorrectly is not just legally risky: it can become expensive. And it is almost always avoidable with proper guidance in advance.

One more thing before termination: Not having a compliant US employee handbook makes terminations significantly harder to defend. Without documented HR policies on performance management, progressive discipline, and harassment, you have no reference framework to show consistent application of your standards. Our guide to US employee handbooks explains what must be in it and what exposure you carry without one.

What to do instead: Before you make your first US termination decision, call your EOR or PEO. They will advise you on the correct process for the employee’s state, the documentation you need, the final pay timeline, and the COBRA notice requirements. This is one of the clearest cases where having a managed employment partner rather than a payroll service protects your business.

The Common Thread

Reading across these nine mistakes, one pattern is clear. Each of them happens when an international company applies its home-market experience to a US context where that experience does not directly transfer. The employment law is different. The candidate expectations are different. The hiring process norms are different. The legal risks are different.

The companies that hire well in the US are the ones that treat US hiring as a distinct discipline requiring specific knowledge, not a familiar process with a few local adjustments.

Foothold America works with UK and European companies through every stage of US hiring. We help you benchmark compensation correctly, structure your employment compliantly, write offer letters that hold up, and handle terminations without avoidable legal exposure. When something difficult arises, you have experienced people to call.

Our guides on how employer of record works and how to write a US job description cover the key stages in detail. And if you are preparing for your first US hire and want to avoid these mistakes from the start, speak to our team.