To hire a medical science liaison (MSL) who lives in another country, define the job and territory first, then choose the local employment route. Use an existing local entity if it is suitable. Create an entity when the role belongs inside a durable local operation. Use an employer of record (EOR) when the person should be an employee, you lack a suitable entity in their work country, and the EOR accepts the exact duties and travel pattern. A recruiter can find the candidate. A specialist medical affairs firm can deliver an outsourced service. Those providers solve different parts of the problem.
With an EOR, the EOR becomes the local legal employer while your company manages the employee’s day-to-day work. That is the general EOR model Borderless describes. For an MSL, your company also needs to retain qualified medical oversight of scientific work, materials, training, field conduct, and safety escalation.
The answer is conditional because “MSL” is a job title, not a globally fixed set of permitted activities. Before issuing a final offer, get the proposed employer’s written acceptance of the role and territory scope described below.
Consider a life-sciences company that has selected an MSL who lives in Spain. The candidate will report to a medical affairs leader abroad, work from home, engage Spanish health care professionals, attend congresses, and sometimes travel to Portugal. The hiring decision is already far more specific than “Can we employ someone in Spain?” The route has to support a field role, a two-country travel pattern, scientific interactions, company systems, local employment terms, and an accountable medical reporting line.
Define the working arrangement before choosing the employer
MSLs commonly conduct scientific exchange, support evidence-generation activity, gather field insights, and work with external experts. Four medical affairs bodies also acknowledge that there is no single formal global framework defining every MSL’s responsibilities. Their joint position is useful evidence for a simple hiring rule: assess the work itself.
Current roles show how much that work can vary. One AbbVie posting describes a remote, full-time MSL who reports to an MSL manager, covers South England, and travels 75% of the time. A recent AstraZeneca posting describes 60% field engagement in a South Korean territory. Neither percentage is a benchmark. Together, they show why “remote employee” reveals little about the real work setting.
Write a one-page role and territory scope before asking an EOR, local entity, or specialist supplier to approve the arrangement. Include:
- Employee and home base: candidate’s country of residence, intended work location, work authorization, and any planned move.
- Territory: each country the MSL will cover, expected trip frequency, trip purpose, driving needs, and overnight travel.
- Duties: external audiences, planned scientific interactions, research support, insight gathering, internal training, and any explicitly excluded work.
- Product context: therapeutic area, product stage, approved and investigational work, and the organisation accountable for medical and safety governance.
- Reporting line: direct manager, medical owner, performance reviewer, and any commercial interface.
- Systems and information: medical CRM, approved-content library, safety and quality channels, devices, and likely categories of personal or confidential data.
- Terms: contract type, hours, currency, base pay, bonus design, benefits, leave, expenses, car or mobility support, and equipment.
- Start conditions: required checks, employment documents, training, system access, insurance confirmation, and target start date.
Use this scope throughout employer assessment, pricing, and document preparation, updating it when the proposed role changes. It gives the medical owner a chance to catch an activity or territory problem before it reaches the contract.
Assess scientific fit separately from legal authority
Set the selection standard from the work. For a typical field medical role, test the candidate’s scientific or clinical grounding, therapeutic-area knowledge, ability to evaluate evidence, communication with scientific peers, local health-system understanding, language skills, and capacity to learn the company’s product and procedures. If the role includes research support, test the specific study knowledge and training it requires.
The same joint position describes an advanced degree, scientific and technical expertise, communication, and interpersonal skill as core requirements, with medical, pharmacy, and scientific doctorate qualifications as typical. That is professional best-practice guidance. It does not grant legal authority to practise medicine, prescribe, dispense, perform another regulated activity, or use a protected title in a country.
Run that second question on its own facts. Ask whether any accepted duty actually requires local registration or recognition and whether the candidate will use the underlying professional title. Document the result. This avoids two opposite errors: rejecting a strong scientist because a generic country table names one credential, or assuming an impressive degree permits activities outside the role or territory.
Choose the route by asking who employs, directs, and delivers
The options become clearer when each party’s function is stated plainly.
An EOR is often a credible route for one selected employee in a country where you have no entity. “Often” still needs testing. Ask the proposed EOR to name the employing entity and confirm that it accepts every duty in the scope. Ask who manages work authorization, payroll, benefits, expenses, employee relations, contract changes, and termination. Request its insurance position and exclusions for field medical work. Confirm how a change in territory or product activity will be reviewed.
Use a local entity when it already provides a suitable home for the hire. Creating one can also make sense when you need a lasting local operation, plan to build a broader team, or require a regulated capability that an EOR does not provide. Headcount alone does not decide this. Cost, time, governance, tax, licensing, and operating plans all matter.
A specialist service has a different shape. The supplier takes responsibility for a defined service and manages how its team delivers it. If your company selects one individual, assigns their daily work, trains them on your methods, places them inside your systems, and reviews their personal performance, the relationship looks closer to employment. UK government guidance illustrates the wider principle: employment status depends on the real relationship, and control is relevant without deciding the answer by itself. Run the test in the work country rather than using “contractor” as a fast setup label.
Test location, activity, and access before the final offer
These checks protect the hiring decision. They should identify a workable condition or a precise hold, rather than expand into a global legal survey.
Match the home base to the territory
Confirm where the MSL will habitually work. Then list where they will travel and what they will do on each trip. A conference, an internal meeting, and a series of planned scientific exchanges can create different questions.
In the EU, official guidance distinguishes some business trips for conferences, meetings, fairs, or training from a posting to provide services. The same EU guidance explains that social-security formalities can still apply to business trips and that posted work can require host-country notifications and employment conditions. Other regions use their own rules.
For the Spain-based example, do not approve “Iberia” as a territory label and leave the details for onboarding. State whether Portugal trips are internal meetings, congress attendance, or work with Portuguese stakeholders. Check immigration permission, posted-worker or social-security requirements, local employment effects, travel time, expenses, insurance, driving, and tax with the parties responsible for those areas.
Classify the medical activity in each territory
Define the planned audiences, purpose, product context, content, and whether the contact is proactive or responds to a request. Check the relevant law, regulator guidance, and any industry code that applies to the company or interaction. Also decide whether the MSL will perform any patient care, prescribing, dispensing, regulated clinical work, or use of a protected professional title. A scientific degree in the job specification does not itself authorize a regulated activity.
The UK offers a useful illustration of why the facts matter. Current PMCPA guidance says MSL roles vary by company and highlights job descriptions, objectives, procedures, and training. It treats proactive or reactive conduct and direct or indirect references to a medicine as relevant when deciding whether an activity may fall within promotion. It also recommends medical or scientific governance for MSLs and careful separation of promotional and non-promotional activity.
That source is UK industry guidance. It is not a global rule. Its value here is the decision method: test what the person will say and do, who will supervise it, which materials they will use, and how the interaction will be perceived. A provider’s general acceptance of health care employment does not answer those questions.
Compensation belongs in the same review. For example, the PMCPA guidance says UK MSL remuneration should not be linked to sales in a territory or sales of particular products. Other markets may set different requirements. Medical affairs and local employment reviewers should approve the bonus design before the legal employer puts it into an offer.
Map safety, quality, and data routes
An MSL speaking with clinicians or investigators may receive information that must enter a safety or product-quality process. Identify the organisation accountable for the product and give the employee one documented route for each type of report. Set the internal escalation expectation, backup contact, and training evidence. Test the route before the first external interaction.
For authorised medicines in the EU, the current EMA framework includes the collection, management, and submission of suspected adverse-reaction reports by the responsible organisations. A device, investigational product, or activity in another territory can have a different framework. The hiring team should ask the accountable medical, safety, or quality owner to specify the route that applies.
List each system the MSL needs and the information it contains. If EU personal data is in scope, GDPR principles require appropriate security measures and place accountability on the controller. The Commission summary provides the baseline. Confirm permissions, devices, cross-border access, support, retention, and incident escalation before issuing access. The EOR will also need its own employee data for employment administration, so document which party uses which data and for what purpose.
Turn an accepted route into a complete offer and cost model
Once the role passes the location, activity, and access checks, ask the chosen employer for an itemized employment proposal. A useful comparison uses the same scope and currency for every route.
Include these inputs:
- base salary and pay frequency
- employer taxes and statutory contributions
- mandatory and proposed benefits
- bonus or other variable compensation
- paid leave and any required accruals
- travel, meals, lodging, congress costs, and travel-time treatment
- car, mileage, mobility, or driving costs
- laptop, phone, home-office equipment, and secure connectivity
- background, credential, immigration, or occupational checks where lawful and relevant
- insurance and any role-specific coverage or exclusions
- EOR, payroll, legal, accounting, or specialist-service fees
- currency conversion and exchange-rate treatment
- contract-change, termination, transfer, and offboarding costs
Ask the provider to identify assumptions and exclusions. Avoid comparing base salary from one route with a loaded quote from another. No reliable universal MSL price or start time exists because the work country, candidate status, benefits, travel, role acceptance, and document requirements change the answer.
The final offer should match the accepted scope. If the territory, bonus, work location, or duties change during negotiation, return the change to the proposed employer and medical owner before signature.
Put employment terms and medical controls in the right documents
The legal employer should issue the locally suitable employment agreement and required employment information. Your company supplies the accurate role, management, and medical inputs needed to prepare them. Exact documents and timing are local. In the UK, for example, the principal written statement is due on the first day, while the employer must complete the candidate’s work check before employment.
Build the employment package from the accepted scope and agreed employee terms. Check that it names the legal employer and accurately carries through the role, territory, start date, duration, hours, pay, benefits, expenses, equipment, and home-working arrangements. Resolve the additional provisions for probation, confidentiality, intellectual property, privacy and monitoring, applicable policies and disciplinary routes, notice, termination, and any locally valid post-employment terms.
Keep detailed operating controls in the documents designed to maintain them. These can include a role profile, medical procedures, approved-content process, scientific-exchange standards, safety and quality reporting, HCP-interaction and transfer-of-value rules, data and device policies, travel and expense rules, and system-access approvals. The employment agreement can refer to applicable policies where local practice permits. The medical owner should be able to update a procedure through a controlled process without silently changing a contractual term.
Make responsibility visible before the employee starts
An EOR arrangement adds a legal employer to an existing management relationship. Write down who decides, performs, and records each step. A practical starting allocation looks like this:
The actual contract may allocate administrative work differently. The table’s purpose is to prevent an empty middle where each party assumes the other owns the step. The EOR’s legal-employer role does not turn it into the company’s medical director, pharmacovigilance function, product owner, or scientific-content approver.
Carry the hire through an actual first day
A signed commercial agreement with an EOR is not the employee’s start. Use a short sequence with named exit conditions.
Ask for a dated sequence instead of a headline duration
The proposed employer should give you dated steps for role acceptance, right-to-work and relevant credential checks, document agreement and signature, payroll and benefit setup, equipment delivery, and required medical training. Each step needs an owner, a dependency, and a date. Set the contractual employment start separately from release for field activity, since the second may depend on training and access completed after day one. A useful timing answer is the sequence the parties can commit to for this candidate and country, not a universal number of days.
1. Obtain written role acceptance
The proposed employer returns a written response to the one-page scope. It names the employing entity, accepted activities, required changes, open conditions, and itemized costs. The medical owner confirms that the role can operate under the proposed oversight and local activity rules.
2. Issue and sign the employment documents
The legal employer completes the required checks and issues locally suitable documents. The candidate has a clear employer, manager, work location, territory, terms, and start date. Any offer conditions are satisfied or recorded with a lawful completion plan.
3. Complete employment onboarding
Set the employee up in payroll and applicable benefits. Deliver equipment. Activate agreed expense and travel processes. Give the employee contacts for employment questions, absence, payroll, security, medical supervision, safety, and urgent escalation. Confirm how the hiring manager and legal employer will coordinate performance and employee-relations matters.
4. Start employment
On day one, the employment relationship is active and the employee knows who employs them and who manages their work. The manager confirms the initial schedule, required training, access plan, territory boundaries, and any work the employee must avoid until approved. Employment has started even if medical training is still in progress.
5. Release the MSL for external scientific work
Before the first interaction with an HCP or investigator, confirm that:
- the medical reporting line and backup are active
- required medical, code, safety, quality, privacy, and security training is complete
- approved materials and response processes are available
- medical CRM and reporting access work
- safety and product-quality escalation routes have been tested
- territory travel, expenses, insurance, and site access are approved
- the employee knows which activities are outside the accepted role
Review the arrangement after the first month and whenever the product stage, territory, residence, reporting line, incentive plan, or duties change. That review catches role drift before the working reality outgrows the employment and medical design.
The next move is a written acceptance request
Send the one-page role and territory scope to the entity, EOR, or specialist supplier you are considering. Ask for three written answers:
- Can your organisation employ or supply this candidate in the stated work country for every listed duty and trip type?
- What employment documents, checks, insurance, benefits, costs, data arrangements, and dependencies apply before the start date?
- Which responsibilities stay with our medical, safety, quality, privacy, and management teams after employment begins?
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