International business travel introduces layers of complexity that domestic trips simply don’t have. Visas, work permits, currency fluctuations, cultural differences, health requirements, tax implications – the list expands considerably once you cross borders, and mistakes in any area can derail trips or create problems that outlast the journey itself.
Companies often approach international travel with the same casual planning they’d use for a Manchester day trip, then act surprised when complications arise. Someone gets turned away at immigration because visa requirements weren’t checked. Tax authorities start asking questions about permanent establishment after too many trips to the same country. Health insurance doesn’t cover the destination. Expenses arrive in five different currencies with terrible exchange rates applied.
Getting international travel right requires understanding what actually matters versus what’s just bureaucratic noise. Some rules are genuinely critical and non-negotiable. Others are guidelines that allow flexibility. Knowing which is which prevents both unnecessary caution and expensive mistakes.
Do: Verify Visa Requirements Well in Advance
Visa processing times vary wildly by destination and nationality. Some countries offer visa-on-arrival or electronic authorization that takes days. Others require embassy appointments, original documents, and processing that stretches across weeks or months. Assuming you can sort this out a week before departure is optimistic at best.
Check requirements as soon as international travel is confirmed, not when you’re booking flights. Business visas often require different documentation than tourist visas – invitation letters from host companies, proof of business purpose, detailed itineraries. Gathering this takes time, and rushing increases the likelihood of errors that cause rejections.
Some destinations have reciprocal arrangements with the UK allowing visa-free business travel for short stays. Others don’t, and arriving without proper documentation means being refused entry regardless of how important your meeting is. Immigration authorities are remarkably unsympathetic to business urgency when paperwork isn’t in order.
Don’t: Ignore Work Permit Distinctions
Business visitor status isn’t the same as permission to work. Many countries allow short business trips for meetings, conferences, or site visits without work permits, but draw hard lines around anything that constitutes actual employment in their territory.
The definitions can be surprisingly strict. Delivering training might require a work permit even if you’re only there for three days. Installing equipment could be considered work requiring authorization. The same trip might qualify as business visitor activity in one country but require full work permits in another.
Violating work permit requirements creates serious problems – potential criminal charges, immigration bans, tax complications for both the individual and company, and relationship damage with clients who expect you to handle compliance properly. When in doubt, consult immigration specialists rather than guessing.
Do: Understand Tax Implications Before Sending Staff Repeatedly
Spend enough time working in another country, and you might trigger tax residency there. Your company might create a permanent establishment, bringing corporate tax obligations. The thresholds vary enormously by jurisdiction and tax treaty, but ignorance doesn’t provide protection when tax authorities come asking questions.
Track how many days individuals spend in each country annually. Some jurisdictions use calendar year calculations, others use rolling twelve-month periods. Some count partial days, others don’t. Clear corporate travel policies should include monitoring systems that flag when people are approaching thresholds that trigger tax consequences.
Double taxation treaties provide relief in many situations, but relying on them requires proper documentation and often advance planning. Sorting this out retroactively when tax authorities are already involved is significantly harder and more expensive than getting it right from the start.
Don’t: Overlook Health Requirements and Vaccinations
Some countries require specific vaccinations for entry. Yellow fever vaccination certificates are mandatory for travel to certain regions. Other vaccinations, while not legally required, are strongly medically recommended – typhoid, hepatitis, rabies, Japanese encephalitis depending on destination and activities.
These aren’t things you sort out the day before flying. Some vaccines require multiple doses spread across weeks. Others have waiting periods before they become effective. Antimalarial medication often needs to start before departure and continue after return.
Travel health clinics book up, especially during busy seasons. Assuming you can walk in and get vaccinated immediately before an international trip is unrealistic. Start this process when trips are confirmed, not when they’re imminent.
Do: Brief Travellers on Cultural and Legal Differences

Business practices that work perfectly well in London can cause genuine offence or legal problems elsewhere. Gift-giving expectations, business card etiquette, appropriate dress, communication styles, gender dynamics, religious considerations – all of these vary significantly across cultures.
Legal differences matter even more. Behaviours legal in the UK might be criminal offences elsewhere. Alcohol consumption, public displays of affection, political speech, social media posts, even hand gestures can have different implications depending on where you are.
Ten minutes of pre-travel briefing prevents misunderstandings that damage business relationships or create serious personal problems for travelling staff. This isn’t excessive caution; it’s basic respect for operating in different legal and cultural contexts.
Don’t: Use Personal Credit Cards for Company Expenses
Currency conversion fees, dynamic currency conversion at point of sale, and unfavourable exchange rates mean personal cards are expensive ways to manage international expenses. Someone spending extensively abroad can easily lose hundreds to poor exchange rates and conversion fees.
Corporate cards with international usage built in provide better rates, clearer expense tracking, and protection for both employee and employer. They also simplify reconciliation because everything’s already in the company’s accounting system rather than requiring reimbursement processing.
For destinations where card acceptance is limited, establish clear protocols for cash advances, including maximum amounts, required documentation, and timelines for reconciliation. Don’t leave employees sorting this out individually with their own money.
Do: Ensure Insurance Covers Everywhere People Travel
Standard travel insurance policies often exclude certain countries or regions – anywhere with active conflict, countries under sanctions, destinations with high kidnapping risk. Someone travelling to these locations without proper coverage faces catastrophic financial exposure if medical evacuation becomes necessary.
Medical costs in some countries are extraordinarily high. A serious illness requiring hospitalization and medical evacuation from the United States can easily run into hundreds of thousands of pounds. Standard policies might cap coverage at levels that seem generous until you’re actually facing these scenarios.
Review insurance annually and specifically verify coverage for new destinations before sending anyone there. Don’t assume. Check explicitly and document the confirmation.
Don’t: Ignore Carnets and Customs Requirements for Equipment
Taking laptops abroad is straightforward. Taking specialized equipment, product samples, or demonstration materials often isn’t. Customs authorities want to ensure items entering temporarily for business purposes actually leave again rather than being sold locally to avoid duties.
Carnets provide temporary admission for professional equipment and samples. They require advance arrangement, documentation, and deposits. Showing up at customs without proper paperwork for thousands of pounds worth of equipment leads to delays, confiscation, or unexpected duty payments.
Research requirements for any equipment beyond standard laptops and phones. This applies particularly to technical specialists, sales teams bringing samples, or anyone transporting items for exhibitions and demonstrations.
Why Choose Harridge Business Travel
International travel complexity is precisely where Harridge’s expertise proves most valuable. Our consultants understand visa requirements across destinations, flag them during booking, and provide guidance on documentation needed. We’ve managed international programmes for 42 years and know which details matter versus which are theoretical concerns.
We work with companies to develop compliant international travel programmes that address tax implications, work permit requirements, and duty of care across multiple jurisdictions. Our managed travel operations for organisations include monitoring systems that track days spent in each country, flagging when individuals approach tax residency thresholds.
Our relationships with international healthcare providers ensure your team has access to quality medical care globally. We verify insurance coverage for specific destinations and coordinate with travel health specialists when vaccinations or antimalarial medication are required.
Harridge provides pre-travel briefings covering cultural expectations, legal differences, and practical considerations for unfamiliar destinations. Our consultants draw on decades of experience supporting international business travel across every region to provide relevant, specific guidance rather than generic warnings.
As a family-run business, we take personal responsibility for getting international travel right. When complications arise – and occasionally they will – you’re working with people who genuinely care about solving problems rather than deflecting blame. Our 24-hour support operates globally, providing assistance regardless of timezone or when issues develop.