Administrative Services in
Aarau
13 companies in Administrative Services based in Aarau — name and year of registration from the commercial register. The list below shows them all.
All 13 companies in Aarau
Bachofner Consulting GmbH
Since 2007 · 1–10 empl.
The core activity of BACHOFNER CONSULTING GMBH is the provision of services in the fields of finance and controlling, property management, as well as editing and publishing.
MDSS CH GmbH
Since 2021 · 1–10 empl.
MDSS CH GmbH is an Authorized Representative (CH-REP) for medical devices and in vitro diagnostic devices, serving as the formal contact for competent authorities and overseeing registration, vigilance reporting and other regulatory compliance tasks.
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.
REIST PARTNER AG
Since 1991 · 1–10 empl.5.0(1)
REIST PARTNER AG is a fiduciary services firm offering audit, tax and trust services to small and medium-sized enterprises and private clients. Its services include accounting and WebAccounting, payroll and personnel administration, tax advisory, corporate consulting, board mandates, statutory audits and real estate services.
colibri people AG
Since 2026 · 21–50 empl.
colibri people AG is a recruitment and staffing company focused on placing skilled professionals, especially in the electrical sector. The company provides personnel recruitment, selection processes, temporary staffing, retained search, workforce management, and consulting support.
converba GmbH
Since 2026 · 1–10 empl.
converba GmbH supports associations, federations and other organisations with association management, communication, event organisation and moderation, as well as political campaigns. The company also offers historical research services and mandates on foundation and board of directors.
Tanner Backoffice GmbH
Since 2015 · 1–10 empl.
The core activity of Tanner BackOffice GmbH is the takeover and execution of back-office tasks for other companies, particularly SMEs, non-profit organizations, associations and federations. This includes, among other things: Management consulting, Operational management, Administration, Secretarial services, Accounting, Marketing, Creation and maintenance of websites. The company thus offers comprehensive services to support and relieve companies in their administrative and commercial tasks.
Class4U GmbH
Since 2017 · 1–10 empl.
The core activity of Class4U GmbH is professional and competent management assistance on demand. The company provides support to boards of directors, CEOs, C-level managers, family offices, foundations, NGOs, entrepreneurs and others by taking over administrative tasks, project work and personal assistance. The services can be used on short notice and without significant administrative effort, both full-time and part-time.
OFFICE ASSISTANT Nicole Bella
Since 2017 · 1–10 empl.
Pay Rolling Company GmbH
Since 2017 · 1–10 empl.
office collab gmbh
Since 2017 · 1–10 empl.
BK Benefit GmbH
Since 2018 · 1–10 empl.
Administrative Services in Aarau
Administrative Services in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 10, 2026
Administrative Services in other places
By canton