Freelancing in Cologne With No Employer: How to Get Your Pension Insurance Number Anyway

Cologne’s Pension Carrier, and Why Freelancers Fall Through the Gap

Employees almost never think about their pension number. Their employer reports the start of the job to the health insurer, and that report triggers the pension carrier to assign a Versicherungsnummer. Deutsche Rentenversicherung describes exactly that route. Freelancers have no employer, so the trigger never fires. The same page says what to do instead: you can contact the pension carrier yourself.

In Cologne that carrier is Deutsche Rentenversicherung Rheinland. Its Service-Zentrum Köln is at Lungengasse 35, 50676 Köln, and works strictly by appointment: Monday to Wednesday from 7:30 to 15:00, Thursday from 7:30 to 18:00 and Friday from 7:30 to 13:00. Bring your ID card or passport, and your insurance number and documents if you have them. If someone goes on your behalf, they need a power of attorney and both people’s IDs. For booking, the Rheinland advice booking page offers in-person, phone and video appointments, and lists 0221 3317-01 for Cologne.

Step One: Getting the Number

You do not have to be compulsorily insured to ask for a Versicherungsnummer. The practical route is simple.

1. Contact Deutsche Rentenversicherung Rheinland, by phone, at the Service-Zentrum Köln, or in writing.
2. State your date of birth, place of birth, birth name and current address. Deutsche Rentenversicherung asks for exactly these four items.
3. Show or send a valid identity document. It calls this absolutely necessary.
4. Wait for the notification. The carrier assigns the number and informs you. Ask for the Versicherungsnummernachweis too.

If you are about to fill in the Fragebogen V0020 for self-employed people anyway (next section), the pension insurance’s explanatory notes say the personal details in it are also used to assign a number if you have none yet. The form page says the online version needs a pension insurance number to start, so with no number, the PDF is the safer way in, and a call to the free line takes a minute if you are unsure.

About the proof document: since 1 January 2023 the old Sozialversicherungsausweis is called the Versicherungsnummernachweis. Deutsche Rentenversicherung says the obligation to carry it was abolished and that no passport photo is needed. In a press release from July 2025 it adds that it is free from the pension insurance or a health insurer, and that paid private providers must make clear they are not an authority. Do not pay for it.

Step Two: Are You Compulsorily Insured?

A number does not make you insured. That is a separate question, and the answer depends on your work. The pension insurance’s page for the self-employed names the groups that are compulsorily insured:

The examples come from the pension insurance’s explanatory notes to its form. Those notes also say that artists and publicists trigger their pension insurance by registering with the Künstlersozialkasse in Wilhelmshaven, and that a craftsperson fills in V0010 rather than V0020. If you are unsure whether you count as self-employed at all, the notes mention a status procedure under V0027.

For the groups that must report to the pension carrier themselves (teachers and educators, carers, midwives and single-client self-employed people), Section 190a SGB VI sets a three-month deadline after taking up the activity. Deutsche Rentenversicherung warns that missing it can lead to retroactive contributions and, in individual cases, fines.

When the Obligation Starts, and Why “Retroactive” Is Real

Compulsory insurance does not begin when you file the paperwork. According to the pension insurance’s explanatory notes, it begins as soon as the legal conditions are met, so for a midwife, for example, it starts on the first day of practice, and the start date can lie in the past. Contributions can be demanded for past periods, though the claim to payment generally expires four years after the end of the calendar year in which the contributions fell due. Once that time has passed, the carrier can no longer demand them, but you also can no longer pay them in to build up claims.

Insurance on request works differently. If you apply within three months of the date the conditions were first met, it starts on that date. If you apply later, it starts the day after your application arrives, and never before you actually began the activity. So the five-year application window and the three-month window for a retroactive start are two different clocks.

Two more rules from the same notes are worth knowing before you commit. A waiver is not possible: once you are insured, you cannot simply opt out. But the contribution type is flexible, since you can switch between the half regular contribution (only under certain conditions), the regular contribution and the income-based contribution at any time on request, for the future.

Very Small Self-Employment Is Exempt

Not every side project triggers insurance. Self-employed activity of only minor scope is exempt (versicherungsfrei) when the work income from it regularly does not exceed the monthly Geringfügigkeitsgrenze that applies on 1 January of the year. For the question of whether you exceed it, only your estimated work income counts: you make a forward-looking, careful estimate for one year and divide it by twelve. The current limit is published by the pension insurance under “Werte der Rentenversicherung”. If your situation changes (fewer orders, a new client base, an employee leaves), a new estimate can be needed.

The income that counts is your tax profit (revenue minus business expenses), not your turnover. The notes list typical deductible expenses, such as office rent, equipment and professional association fees, and say that insurance contributions, church tax and donations are not deducted when working out this figure.

What to Have Ready for the Questionnaire

The Fragebogen V0020 asks you to prove what you do and when you started. The notes name examples of suitable documents: a trade registration, a permit, a commercial register entry, a partnership agreement, your tax registration with the Finanzamt, an agent contract, or a contract with an exclusivity clause. Other documents are fine if they reliably show the kind of work and the start date. If you also work in another EU or EEA country or in Switzerland, send an A1 or E101 certificate if you have one.

Teachers should know about one temporary rule. The notes say that from 1 March 2025 until 31 December 2027, certain teachers are treated as self-employed for pension insurance purposes, even if they would not otherwise count as self-employed under social insurance law. If you teach for a school or institute in Cologne, the questionnaire asks which institutions you work for and since when.

What It Costs If You Are Compulsorily Insured

Contributions are not tied to your profit by default. For the current year, the pension insurance’s page lists:

The contribution rate behind these figures is 18.6 percent. These amounts are adjusted every year, so check the page. If a half regular contribution is already a lot in your first months, plan for it before you start, not after the first letter.

Not Compulsorily Insured? Your Three Real Options

Pension insurance on request is possible for self-employed people who are not already compulsorily insured, who work in Germany on more than a temporary basis, and who apply within five years of starting, according to the same notes. The five-year limit is the part people miss, so put a date in your calendar. The pension insurance’s Merkblatt V0025 explains the conditions in detail, and the page recommends advice before you decide.

The alternatives are voluntary contributions, which are possible from age 16 for people living in Germany, with a minimum of 112.16 euro and a maximum of 1,571.70 euro per month according to the pension insurance’s page, or private provision outside the statutory system. For voluntary contributions, the page recommends direct debit, and when you transfer money, you quote your name, your Versicherungsnummer, the period and the note “freiwilliger Beitrag”. That is another reason to have your number first.

None of these is the same as health insurance, which is a separate decision. If you are self-employed with children, see our page on GKV versus PKV for self-employed parents.

Three Illustrations (Made Up, to Show the Logic)

These are invented examples to show how the pieces fit together, not individual advice.

• A freelance language teacher who works for several institutes in Cologne. Teaching is one of the compulsory groups, so the three-month report applies, provided the income clears the minor-activity limit. The temporary teachers’ rule is worth a question at the Service-Zentrum.
• A freelance copywriter who writes for magazines. Writers and journalists count as publicists, so the insurance is triggered by registering with the Künstlersozialkasse, not by a form to the pension carrier. Deutsche Rentenversicherung adds that this insurance only starts once your expected yearly income exceeds 3,900 euro.
• A freelance IT consultant with three changing clients. Not in a compulsory group as long as the work is spread across clients, so insurance is optional: opt in within five years, pay voluntarily, or save privately. If the consultant later ends up working essentially for one client permanently, the single-client rule can apply, and form V0050 is the route to apply for an exemption.

Common Traps

• Waiting for a letter that never comes. No employer means no automatic number. You have to ask.
• Using a different name spelling. Birth name and former names matter. The pension insurance uses them to find existing records.
• Paying a website for the proof document. It is free from the pension insurance or your health insurer.
• Mixing up the numbers. The Steuer-ID is for tax, the Versicherungsnummer is for pensions. See which number is for what.
• Assuming the Handwerkskammer or Künstlersozialkasse has done everything. The pension insurance says craftspeople are reported automatically, but check your account, and for artists the registration is yours to file.

Compliance Note

This page explains the general rules on the pension insurance number and on compulsory insurance for the self-employed, using the official pages of Deutsche Rentenversicherung, current as of October 2026, but it is not legal or tax advice. Whether you are compulsorily insured depends on your individual work and contract situation. Confirm it with Deutsche Rentenversicherung Rheinland or an independent adviser before you rely on it.