European startups love contractors because they are fast. No payroll setup. No local entity. No employment-law onboarding. Just a signed agreement, an invoice, and the product keeps moving.
That speed is useful. It is also where the risk lives.
If a contractor works like an employee, European authorities can treat them like an employee. The label in the contract helps, but it is not decisive. And if that contractor built your core product without a clean IP assignment, you may have two problems at once: employment liability and broken ownership.
This guide explains contractor vs employee classification in Europe, the must-have clauses in IP assignment agreements for startups, and what to include in an offer letter in Europe.
The Short Version
- Reality beats labels. Courts and authorities look at control, integration, dependence, tools, hours, substitution, and entrepreneurial risk.
- Contractors can own your IP by default. Use signed assignment language before work starts, especially for software, designs, documentation, prompts, and inventions.
- Europe is not one employment market. Portugal, Spain, Germany, and France each apply local tests and remedies.
- Offer letters are not enough. You need compliant employment contracts, privacy notices, IP clauses, confidentiality, working-time rules, and payroll setup.
- Non-competes are fragile. Use narrow, jurisdiction-specific restrictions rather than broad US-style language.
1. The Contractor vs Employee Test
There is no single EU-wide contractor test. But the pattern is consistent: authorities examine the real working relationship.
Employee indicators
- The company controls how, when, and where work is done.
- The person works fixed or near full-time hours for one company.
- The person reports to a manager and is integrated into team rituals.
- The company provides tools, email, laptop, software accounts, and internal systems.
- The person cannot send a substitute.
- The person has no meaningful entrepreneurial risk.
- The person appears externally as part of the company.
Contractor indicators
- The person controls methods, schedule, and place of work.
- The person has multiple clients or a real independent business.
- Payment is linked to deliverables, milestones, or invoices, not salary-like payroll.
- The person uses their own tools where practical.
- The person can accept or reject work and may use qualified substitutes.
- The contract is project-based with a defined scope and termination rights.
2. Country Notes: Portugal, Spain, Germany, France
Portugal
Portuguese law distinguishes employment from independent service provision by looking at subordination and authority. If the worker operates under the organisation and direction of the company, employee classification risk rises.
Spain
Spain is active on false self-employment risk, especially where a person is economically dependent or works like part of the company. The danger is long-term "freelancers" who work full time, attend every standup, use company tools, and have one client: you.
Germany
Germany has strict false self-employment analysis, often discussed as Scheinselbstständigkeit. The practical relationship matters: dependence, integration, control, and whether the person acts as an independent business.
France
French classification analysis focuses heavily on subordination: whether the company has the power to give orders, supervise execution, and sanction non-performance. If that relationship exists, the worker may be treated as an employee regardless of contract label.
3. Must-Have Clauses
A contractor agreement should not read like a disguised employment contract. It should define a real business-to-business relationship and protect the company's assets.
- Scope of work: Specific deliverables, milestones, acceptance criteria, and change process.
- Autonomy: Contractor controls method, schedule, and work location, subject to delivery requirements.
- Non-exclusivity: Contractor may work for other clients, subject to confidentiality and conflict rules.
- Fees and invoices: Payment against invoices, milestones, or deliverables rather than salary-like fixed payroll where possible.
- IP assignment: Present assignment of deliverables, inventions, software, designs, documentation, prompts, model evaluations, and related rights to the company.
- Confidentiality: Protect product, customer, security, financial, and investor information.
- Data protection: Processor or confidentiality obligations where the contractor touches personal data.
- Termination: Clear notice, handover, return of materials, deletion, and survival clauses.
4. Offer Letters and Employment Contracts
For employees, an offer letter is a commercial summary. It is not a substitute for a compliant employment contract.
- Role, title, manager, and start date.
- Salary, bonus, benefits, equity eligibility, and probation reference.
- Work location, remote or hybrid expectations, and right-to-work conditions.
- Working time, overtime, leave, sick pay, and local statutory entitlements.
- Confidentiality and security obligations.
- IP and invention assignment or employer ownership language adapted to local law.
- Post-termination restrictions where enforceable.
5. Misclassification Risk Checklist
- Do they work mostly or only for your startup?
- Do they work full-time or near full-time?
- Do they have a company email and appear on the org chart?
- Do they attend the same meetings as employees?
- Does a manager control their daily tasks?
- Do they use company equipment and systems?
- Are they paid a fixed monthly amount unrelated to deliverables?
- Can they send a substitute?
- Do they carry business risk or operate as an independent business?
- Have they signed IP assignment and confidentiality terms?
If the person is really part of the team, convert them, use an employer-of-record structure, or redesign the relationship so it is genuinely independent.
Authoritative Sources
- Eversheds Sutherland / PILnet: Global Employment Compass Portugal
- LVP Advogados: service contracts with Portuguese companies
- Orrick: IP assignments from software developers
- A&O Shearman: how to capture IP created by employees and contractors
Legal Disclaimer: This content is for informational purposes only and does not constitute legal, tax, or employment advice. Worker classification, IP ownership, and post-termination restrictions vary by jurisdiction and facts. Consult qualified local counsel before engaging or converting workers.
Reviewed by Outlex Legal Team
This content was reviewed by qualified legal professionals with experience advising European startups on compliance, contracts, and corporate matters. Outlex is backed by a major Portuguese law firm with expertise across EU jurisdictions.
Last updated: 2026-06-17
