Researcher Visa in Germany: Section 18d and Hosting Agreements

If a German lab or PhD programme has already offered you a place, the usual mistake is applying on a student visa. That cap on working days still applies even if you already have a research contract. The other common miss is using a regular skilled-worker permit when the host can give you a hosting agreement, which skips the labor market check.

If the host can issue that agreement, you apply as a researcher. You get a signed hosting agreement (Aufnahmevereinbarung) from a recognized German research institution, apply at the embassy, then convert the entry visa to a residence card after you arrive. The rest of this page covers who that fits, how a PhD student visa differs, and what family members get.

For embassy document lists, which hosts BAMF currently recognizes, and proof-of-funds amounts that change by year, use Make it in Germany – Visa for research.

Student visa vs researcher visa (and related routes)

EU Researcher Directive (Section 18d)

This is the main residence permit for non-EU researchers with a formal hosting agreement (Aufnahmevereinbarung) or an employment contract with a recognized research organization.

What that usually means in practice:

• Full exemption from the Federal Employment Agency labor market priority test
• Intra-EU mobility: under German law, Section 18f mainly covers researchers who already hold another EU state’s research permit and come to Germany for short stays (up to 180 days within a 360-day period). Reciprocal short stays in other EU states are possible under EU Directive 2016/801; check the host country’s rules before you travel

Section 18b and EU Blue Card

Section 18b. For scientists in specialized roles where an official hosting agreement cannot be executed but a standard qualified employment contract exists. See the Skilled Worker Visa guide.

EU Blue Card (Section 18g). High-earning researchers who meet the statutory annual gross salary thresholds should apply for the EU Blue Card for a faster route to permanent residency (typically 21 to 33 months).

What you need for Section 18d

Hosting agreement (Aufnahmevereinbarung). A legally binding contract or agreement with a German research organization detailing project parameters, duration, work duties, and financial compensation.

Institution recognition. The host must be recognized by the Federal Office for Migration and Refugees (BAMF) as an approved research entity. All German public universities and major associations (Max Planck, Fraunhofer, Leibniz, Helmholtz) are automatically recognized.

Academic credentials. A verified university degree that qualifies you for doctoral study, or an existing doctoral degree (PhD).

Proof of funds. If not fully funded via institutional employment, prove self-sufficiency of at least €1,091 gross per month through scholarships, grants, or a blocked account (Sperrkonto).

Health insurance and passport. Valid health insurance in Germany and a valid passport.

If HR has not issued the Aufnahmevereinbarung yet, wait for it before you book the embassy. A generic invitation letter is not the same document.

PhD: student path or researcher path

Doctoral candidates generally follow one of two paths depending on funding and university status.

Student visa (Section 16b)

• Status: enrolled as a full-time student
• Work allowance: up to 140 full days or 280 half days per calendar year
• Best suited for: structured PhD programs funded privately or through basic student stipends
• After completion: 18-month job-seeking permit. See Job Seeker Permit After Study or Training

Researcher visa (Section 18d)

• Status: contracted or appointed as an academic researcher
• Work allowance: unrestricted employment within the scope of the research project
• Best suited for: candidates with a formal employment contract at a university or research institute
• After completion: 18-month job-seeking permit. See Job Seeker Permit After Study or Training

HiWi jobs. For both visa types, regular student assistant positions (HiWi jobs) at universities or associated research institutes do not count toward the standard calendar-day work limits.

Family members

Accompanying spouses receive an unrestricted residence permit and may enter the German labor market immediately without professional or hourly constraints. Visa processing for family members who travel with you is usually simpler than on standard family reunification routes.

How to apply

1. Get a written offer from a BAMF-recognized host. Public universities and the big associations (Max Planck, Fraunhofer, Leibniz, Helmholtz) are automatically recognized.
2. Wait for the signed hosting agreement (Aufnahmevereinbarung) from HR or the international office. Do not book the embassy on a generic invitation letter.
3. Confirm salary or stipend, or fund a blocked account if the post is not fully paid. Keep health insurance valid for the stay.
4. Apply at the German embassy or consulate. Section 18d files are often faster than standard employment visas.

After you arrive, register your address (Anmeldung) and convert the entry visa at the local immigration office (Ausländerbehörde).