Based in Berikon in the Mutschellen region, Advokatur und Notariat lic. iur. Stephan Eichenberger, Rechtsanwalt und Notar, combines an advocacy practice with a full notarial service. Led by lic. iur. Stephan Eichenberger and supported by attorney MLaw Fabienne Senn-Kaufmann, the office serves private clients and SMEs with practical, Swiss law solutions. The team works in German, French, and English to make complex issues understandable and decisions timely.

The practice focuses on family law, criminal law, inheritance matters, contract and corporate issues, and notarial work for real estate and corporate transactions. Typical mandates include divorce and parenting arrangements, defense in investigations and court proceedings, succession planning and inheritance agreements, company formations and shareholder changes, as well as notarizations for property purchases and condominium ownership in Canton Aargau. Clients benefit from experienced counsel that can advise, draft, notarize, and represent before authorities and courts.

Client service is structured and transparent. Matters typically follow a clear sequence of consultation, negotiation where appropriate, careful document preparation, and representation in court or before registries such as the land registry. The firm emphasizes accessibility, clear communication, and tailored strategies designed to protect client interests efficiently and with reliable follow through.

About Advokatur und Notariat lic. iur. Stephan Eichenberger, Rechtsanwalt und Notar

Founded in 2007

3 people in their team


Practice areas
Family
Criminal Defense
Corporate & Commercial
Real Estate
Private Client

Languages spoken
English

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Practice areas

Family

The firm advises on marriage contracts, separation and divorce, parental responsibility, custody, and maintenance, and prepares the necessary agreements for approval by the authorities or courts. Where appropriate, the team prepares or notarizes matrimonial property agreements to structure assets and prevent disputes, and represents clients in mediation, negotiations, and litigation to secure workable, child focused outcomes.
Adoption
Child Abuse
Child Custody
Child Support
Child Visitation
Collaborative Law
Divorce & Separation
Domestic Violence
Father's Rights
Marriage
Military Divorce
Same Sex & LGBT
Annulment

Criminal Defense

The practice defends individuals at every stage of proceedings, from police interviews and pretrial measures to hearings and appeals. The team evaluates the file, safeguards procedural rights, prepares clients for questioning, negotiates with prosecutors when appropriate, and conducts a robust defense in court to minimize sanctions or achieve acquittal.
Arrests & Searches
Bail Bond Service
Criminal Litigation
Drug Crime
Drunk Driving
DUI & DWI
Juvenile Law
Sex Crime
Speeding & Traffic Ticket
White Collar Crime

Corporate & Commercial

The office handles Swiss company formations and corporate housekeeping for AG and GmbH, including incorporations, capital changes, shareholder agreements, and board documentation. It drafts and reviews commercial contracts, resolves shareholder and contractual disputes, and provides ongoing advice so that businesses can manage risk and comply with regulatory and registry requirements.
Administrative
Admiralty & Maritime
Agriculture
Antitrust
Aviation
Business Registration
Contract
Due Diligence
Franchising
Gaming
Government Contract
Licensing
Merger & Acquisition
Transportation
Venture Capital
Cannabis Law
Nonprofit & Charitable Organizations
International Trade Law
Government Relations & Lobbying
Private Equity
Corporate Governance
Sanctions & Export Controls

Real Estate

As a notarial practice, the firm drafts and notarizes property purchase agreements in Canton Aargau, prepares mortgage deeds, and coordinates registrations with the land registry. It assists with condominium ownership set up, property transfers within families, and related contract packages so that transactions close smoothly and titles are recorded correctly.
Commercial Real Estate
Housing, Construction & Development
Foreclosure
Land Use & Zoning
Landlord & Tenant
Mortgage
Real Estate Due Diligence
Real Estate Contracts and Negotiations
Brokerage
Natural Resources
Conveyancing

Private Client

The team prepares wills, inheritance agreements, and powers of attorney, and advises on matrimonial property planning to align family and business interests. It structures estates to avoid conflicts, supports heirs and executors through probate steps, and addresses cross canton formalities so that succession wishes are implemented reliably.
Elder Law
Estate Planning
Guardianship
Nursing Home Abuse
Probate
Trusts
Will & Testament
Elder Abuse Law