01
Financial & Litigious Exposure
Structural and contractual vulnerabilities that compound quietly and surface at the worst possible moment.
Research report · Q1 2026
What twenty-one UK companies taught us about going to America.
A structured programme of US Market Entry Health Checks conducted across fourteen sectors. What emerged was the same pattern, repeated across companies of different sizes, sectors, and stages.
21
UK companies assessed
14
Sectors represented
10
Structural findings documented
Q1 2026
Programme quarter
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About this research
The same pattern, across every sector.
Earlier this year, Allentra ran structured US market entry assessments across twenty-one UK companies in fourteen sectors. The founders and commercial directors who came through the programme ranged from businesses stress-testing their assumptions before entry to companies already generating significant US revenue but operating without the infrastructure to sustain it.
What we did not expect was how consistent the findings would be. Across sectors as different as medtech, robotics, SaaS, food and beverage, and consumer electronics, the same gaps appeared. The same assumptions had gone untested. The same liabilities had accumulated.
The problems are not company-specific. They are structural. And they are almost universally invisible until someone who has seen them before knows where to look.
This page summarises three of the findings in detail. The full report documents all ten, across four areas of critical concern.
Finding one
The liability exposure nobody had quantified.
7/10
Of the directors we assessed were carrying personal US liability exposure without knowing it. None had made a deliberate decision to accept it. It had simply never been identified.
Of the twenty-one companies assessed, sixteen had no properly functioning US legal entity at the time of their health check. Ten of those sixteen were already generating US revenue, signing customer contracts, shipping product, and in some cases engaging people to work commercially on their behalf, entirely through their UK parent company.
Without structural separation between the UK parent and the US operation, product liability claims, contractual disputes, and regulatory actions do not stop at the water's edge. They flow directly to the UK entity and, in many cases, personally to its directors.
The US litigation environment operates under different rules. Punitive damages are real. Class actions are routine. Strict liability standards in product cases have no direct equivalent in English law.
The reason companies defer entity formation is rarely strategic. It is procedural drift.
The founder assumes it can wait. And then the business becomes established, the US commitments deepen, and the structural gap has widened into something that requires expensive professional intervention to close.
Finding two
The tax obligations most companies did not know existed.
12/14
Companies already generating US revenue had triggered or were approaching nexus thresholds in one or more states, without having addressed the resulting obligations. Several had been selling into the US for one to three years.
Following the US Supreme Court's 2018 ruling in South Dakota v. Wayfair, a business creates tax obligations in a US state simply by selling enough into it, without any physical presence there at all. The typical threshold is one hundred thousand dollars in annual sales or two hundred transactions. Once triggered, the obligation to register, collect sales tax, and file regular returns applies going forward and, in states that conduct audits, potentially retrospectively.
One company had sold through a wholesale platform into more than twenty states over eighteen months without registering in a single one of them.
The assumption that tends to underlie this gap is that platforms handle it. Platforms handle some of it. But the merchant still has to know where nexus has been triggered, register in those states, and configure their systems accordingly. The platform does not do that analysis.
The consequences tend to surface at precisely the wrong moment.
Backdated assessments, interest, and in some states penalties tend to emerge during a fundraise, an acquisition process, or a regulatory enquiry, when the cost of delay is highest and the time available to resolve it is shortest. The voluntary disclosure route, where companies come forward proactively before being audited, typically reduces or eliminates penalties entirely.
Finding three
The trademark that was never filed.
16/21
Companies had not registered their core brand names or product marks with the USPTO. Eleven of those were already trading in the US, several actively investing in US brand-building, marketing, and customer acquisition.
A UK trademark registration provides no protection in the United States. A common law claim based on use in commerce provides limited protection and is expensive to assert. A USPTO registration establishes priority on a federal basis and is the foundation of any enforceable US brand position.
"The US company had filed. The UK company had not."
One company in the cohort was already engaged in an active dispute with a US entity using a similar name. Not through bad faith, but because the US company had filed and the UK company had not. The cost of resolution, win or lose, was significant. It would have been entirely avoidable.
The cost of a USPTO filing at the time it should have been made: £1,500 to £2,500.
The cost of resolving a trademark dispute after the fact: multiples of that, with no guaranteed outcome, significant distraction at a critical commercial moment, and in some cases the loss of two or more years of brand equity.
The full report
The full report documents seven further findings.
Across four areas of critical concern for any UK company operating or expanding in the US market.
02
Operational Risk
Decisions that look right at the time and prove costly to reverse: route to market, employment, and entity structure.
03
Investor & Acquirer Gotchas
The issues that surface during due diligence without warning, and the ones founders consistently were not told about.
04
Missed Tax Optimisation
Mechanisms standard among multinationals, absent in nearly all UK companies making the crossing for the first time.
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The right moment to address this is before it surfaces somewhere else.
None of these are irreversible problems. Most are straightforward to resolve once identified. The question is whether you find them through a structured review, or through the kind of event that makes them impossible to ignore: an investor due diligence process, a contractual dispute, or a regulatory notice.
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