Law Firms & Notary Offices in
Aarau

23 companies in Law Firms & Notary Offices based in Aarau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 23 companies in Aarau

Styk Kohlhaas Rechtsberatung Mediation und Advokatur Logo

Styk Kohlhaas Rechtsberatung Mediation und Advokatur

Since 2023 · 1–10 empl.5.0(86)

The core activity of Styk Rechtsberatung is the provision of legal services, particularly legal advice, mediation and advocacy, in various areas of law such as family law, employment law, public personnel law, administrative law, inheritance law, school law, health law, tenancy law, construction law and criminal law.

Law Firms & Notary Offices
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
penalisti Rechtsanwälte AG Logo

penalisti Rechtsanwälte AG

Since 2011 · 1–10 empl.4.5(22)

penalisti Rechtsanwälte AG is a law firm providing criminal law advice and defence. The firm includes lawyers holding the Swiss specialist qualification in criminal law (Fachanwalt SAV Strafrecht) and collaborates to offer tailored solutions in complex criminal cases.

Law Firms & Notary Offices
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
SwissLegal (Aarau) AG Logo

SwissLegal (Aarau) AG

Since 2016 · 1–10 empl.4.4(7)

SwissLegal (Aarau) AG is a law and notarial firm focused on business law. The firm advises companies on corporate and tax law, real estate and construction, IT/data protection, contract matters, notarial services and litigation/administrative law, and is part of the SwissLegal network.

Law Firms & Notary Offices
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Schiltknecht Rechtsanwälte Logo

Schiltknecht Rechtsanwälte

Since 2014 · 1–10 empl.4.4(21)

The core activity of Schiltknecht Rechtsanwälte is the provision of legal services in the areas of family law, inheritance law, labor and employment law, mediation, construction law and notary services. The company offers legal advice, mediation, litigation support and notary services, and has specialized expertise in these areas.

Law Firms & Notary Offices
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Gustav Lienhard AG Logo

Gustav Lienhard AG

Since 1986 · 1–10 empl.

The company's core activity is the provision of notarial and legal services, particularly in the following areas: Notary: preparation of contracts, authentications and other notarial activities; Legal advice: advice on legal matters, particularly in the areas of real estate law, inheritance law, family law, tenancy law, corporate law and commercial law. Attorney-at-law and notary Gustav Lienhard offers these services to private individuals and companies.

Administrative Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Dr. Markus Siegrist Rechtsanwalt und Notar Logo

Dr. Markus Siegrist Rechtsanwalt und Notar

Since 1987 · 11–20 empl.

The core activity of Siegrist Ries & Partner is the provision of legal services as lawyers and notaries, particularly in the areas of: construction, planning, environmental and expropriation law; development, land consolidation and contribution law; contractual, commercial and corporate law; real estate and tenancy law; inheritance law and estate planning; notary services; civil law, including family, divorce, inheritance and property law; labor law; criminal law and traffic law; energy law. The company thus offers comprehensive legal advice and representation for individuals and companies in various areas of law.

Law Firms & Notary Offices
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
penalisti ag Logo

penalisti ag

Since 2013 · 11–20 empl.

The core activity of the company 'penalisti' is the provision of legal services, particularly in the areas of criminal and criminal procedural law, economic criminal law, road traffic law and international mutual assistance in criminal matters.

Law Firms & Notary Offices
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Käser Advokatur & Notariat Aarau AG Logo

Käser Advokatur & Notariat Aarau AG

Since 2020 · 21–50 empl.4.1(19)

The core activity of Merki & Partner is legal advice and representation, particularly in the areas of corporate law, family and inheritance law, labor law, tax law and real estate law. The company provides advice and representation in the formation of companies, mergers, transformations, inheritance contracts, wills, advance directives and other legal matters.

Law Firms & Notary Offices
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
penalisti mayer gmbh Logo

penalisti mayer gmbh

Since 2020 · 1–10 empl.

penalisti mayer gmbh is a law firm that provides legal services with a focus on criminal law. The website states that the partners now continue their work in independent firms and cooperate on complex criminal cases.

Law Firms & Notary Offices
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #9
SCHIBLI & PARTNER Advokatur und Notariat AG Logo

SCHIBLI & PARTNER Advokatur und Notariat AG

Since 2018 · 1–10 empl.4.0(4)

The core activity of Schibli & Partners is the provision of legal counsel and representation. They offer professional advice to Swiss and foreign companies as well as private individuals in all areas of law, including notarial matters.

Law Firms & Notary Offices
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #10
Zinniker Beratungen GmbH Logo

Zinniker Beratungen GmbH

Since 2021 · 1–10 empl.5.0(7)

The company's core activity is the provision of legal services, particularly in the areas of advocacy (lawyer services) and notary services (authentication and certification of documents). The company offers individual legal advice, representation before courts and authorities, as well as notarial services.

Law Firms & Notary Offices
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #11
Anwaltskanzlei Dr. iur. Wilhelm Boner Logo

Anwaltskanzlei Dr. iur. Wilhelm Boner

Since 2021 · 1–10 empl.

The core activity of the company is the law firm, which provides expert advice and representation to both private individuals and companies, authorities, institutions and foundations. The company offers legal services in various areas of law and has a diverse network to provide competent advice and representation.

Law Firms & Notary Offices
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #12
lic. iur. Martin Leiser, Rechtsanwalt Logo

lic. iur. Martin Leiser, Rechtsanwalt

Since 2014 · 1–10 empl.3.7(17)

lic. iur. Martin Leiser, Rechtsanwalt provides legal services in traffic law, criminal law, and family, marriage and cohabitation law. He also advises on liability and insurance law, debt enforcement and bankruptcy, and contract law (including employment, tenancy, mandate and contract-for-work matters), and is a member of the Swiss and Aargau bar associations.

Law Firms & Notary Offices
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #13
Qubus AG Logo

Qubus AG

Since 2018 · 1–10 empl.5.0(2)

Pfisterer Fretz Munz AG is a law firm specialized in construction and real estate law. The firm advises private and public clients on building permits, planning, contracts with architects and contractors, construction defects, public procurement and administrative/municipal law, provides legal opinions and conducts litigation before state authorities where necessary.

Law Firms & Notary Offices
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #14
MLaw Müller Olivia, Rechtsanwältin Logo

MLaw Müller Olivia, Rechtsanwältin

Since 2019 · 1–10 empl.3.7(17)

MLaw Müller Olivia, Rechtsanwältin provides legal advice in family law (Fachanwältin SAV Familienrecht), criminal defence and victim assistance, child and adult protection, and general contract matters such as tenancy and employment law.

Law Firms & Notary Offices
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #15
Aarekanzlei GmbH Logo

Aarekanzlei GmbH

Since 2016 · 1–10 empl.3.7(3)

The core activity of Aarekanzlei GmbH encompasses the provision of services in the areas of trust, real estate, and law. Specifically, the company offers the following services: Trust: Accompanying company formations, supporting the purchase and sale of companies, restructuring companies, company valuations, and succession planning. Real Estate: Sale of properties, management of properties, and administration of condominium owner associations. Law: Legal advice and representation, particularly in the areas of corporate law, real estate law, and inheritance law. The company positions itself as a generalist, offering comprehensive consulting and services, and collaborating with external specialists as needed.

Law Firms & Notary Offices
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #16
KENDRIS Schweiz AG Logo

KENDRIS Schweiz AG

Since 2025 · 1–10 empl.

KENDRIS Schweiz AG is an international advisory and fiduciary services firm for private individuals, family offices, entrepreneurs, companies, and institutional clients. Its services include fiduciary support, tax advisory, legal advisory, corporate services, family office services, fund solutions, and wealth structuring.

Law Firms & Notary OfficesFiduciary ServicesLegal AdviceTax Advisory
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #17
Danieli Rechtsberatung & Advokatur Logo

Danieli Rechtsberatung & Advokatur

Since 2025 · 1–10 empl.

Danieli Rechtsberatung & Advokatur provides legal advice, mediation and litigation services across several areas of law. The firm also offers fixed-fee packages and support with out-of-court dispute resolution for private individuals and SMEs.

Law Firms & Notary OfficesLegal Advice and RepresentationMediationFixed-Fee Packages
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #18
BA

B-IUR AG

Since 2013 · 1–10 empl.

Law Firms & Notary Offices
No score yet
GG

greenchip GmbH

Since 2020 · 1–10 empl.

Law Firms & Notary Offices
No score yet
W&

Weltert & Partner AG

Since 2020 · 1–10 empl.

Law Firms & Notary Offices
No score yet
PL

penalisti locher gmbh

Since 2024 · 1–10 empl.

Law Firms & Notary Offices
No score yet
HA

HDW AG

Since 2024 · 1–10 empl.

Law Firms & Notary Offices
No score yet

Law Firms & Notary Offices in Aarau

23Law Firms & Notary OfficesCommercial register (Zefix) · as of October 11, 2026
2019Median year of registrationCommercial register (Zefix) · as of October 11, 2026
150in the Canton of AargauCommercial register (Zefix) · as of October 11, 2026
2,677in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Law Firms & Notary Offices in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026