Accountant in
Olten
37 companies in Accountant based in Olten — name and year of registration from the commercial register. The list below shows them all.
All 37 companies in Olten
Bussmann & Frey AG
Since 1999 · 11–20 empl.4.9(9)
The core activity of Bussmann & Frey AG encompasses two main areas: 1. **Trust Services**: The company provides trust services, including accounting, financial statement consulting, tax consulting, and general business consulting. 2. **Real Estate**: Bussmann & Frey AG is also active in the real estate sector, offering services such as brokerage and sale of properties, traffic value appraisals, management of rental properties, renting and buying of properties.
Gribi & Partner AG
Since 1990 · 11–20 empl.4.3(6)
Gribi & Partner AG is an owner-managed advisory and fiduciary firm serving businesses, individuals and institutions. Its services include auditing, tax and VAT consulting, bookkeeping, financial and payroll accounting, business consulting, succession planning and company valuations.
emas Treuhand GmbH
Since 2021 · 1–10 empl.5.0(12)
The core activity of emas Treuhand GmbH is the provision of services in the field of trust services, particularly in the areas of: * Accounting: assumption of accounting tasks for companies and private individuals * Taxes: handling of tax matters, including the preparation of tax returns * Auditing: conducting audits and examinations of companies * Consulting: advising companies and private individuals in all areas of trust services and finance The company thus offers comprehensive services in the field of financial management and consulting.
Carlino Trust
Since 2020 · 1–10 empl.5.0(10)
Carlino Trust provides fiduciary, accounting and tax advisory services to individuals and businesses. Its services also include payroll administration, financial advice, preparation of business and HR documents, and temporary support in finance and accounting.
HTO Treuhand AG
Since 1980 · 11–20 empl.
HTO Treuhand AG is a fiduciary and audit firm. Its services include business and tax advisory, financial and payroll accounting, and auditing. It also provides debt collection, estate partition and executor services.
TRESO Treuhand AG
Since 1990 · 11–20 empl.
TRESO Treuhand AG provides fiduciary, audit, tax and accounting services. Its work includes financial statement advice, business succession, audits, national and international tax consulting, payroll accounting and accounting outsourcing.
Emmenegger Fides AG
Since 1992 · 11–20 empl.
The core activity of Emmenegger Fides AG is the provision of services in the following areas: accounting and financial reporting, auditing, tax consulting, and business consulting. The company acts as a trust specialist and provides its clients with individual advice and support in these areas, helping them to achieve their entrepreneurial and economic goals.
Forensis Treuhand AG
Since 2001 · 11–20 empl.
The core activity of Forensis Treuhand AG encompasses the provision of services in the areas of tax consulting, trust services, business consulting, and auditing. Specifically, the company offers the following services: tax consulting for companies and individuals, including tax planning, tax deductions, and representation before tax authorities; trust services, such as accounting, personnel and payroll management, as well as representation; business consulting, including succession planning, mergers and acquisitions, and real estate consulting; and auditing, including the review and examination of companies. The company offers its services both nationally and internationally and has branches in Olten and Zurich.
SCHAFER Dienste GmbH
Since 2006 · 1–10 empl.
SCHAFER Dienste GmbH is not described on the website as a separate company. The website presents the Arbeitskontrollstelle Kanton Solothurn and its activities in labour-market inspections, monitoring wage and working conditions, and reporting suspected violations such as undeclared work.
Otto Treuhand AG
Since 2006 · 1–10 empl.4.4(7)
The core activity of Otto Treuhand AG is the provision of trust services, particularly in the areas of taxes, accounting and controlling, corporate consulting and auditing.
adlatus
Since 2007 · 11–20 empl.
adlatus is a network of experienced professionals and executives. Its members work as independent consultants, offering their expertise, skills and experience to society and the economy at moderate fees.
Hubeli Treuhand GmbH
Since 2014 · 1–10 empl.
Hubeli Treuhand GmbH is an independent fiduciary firm providing accounting, tax advisory, auditing and business consulting services. Its work includes financial and payroll accounting, tax returns, annual financial statement audits, and advice on company formation and succession planning.
LangSys GmbH
Since 2018 · 1–10 empl.
The core activity of LangSys GmbH is consulting European companies on entering the Chinese market and interacting with Chinese partners, particularly in identifying business potential and providing strategic support.
Z83 AG
Since 2020 · 21–50 empl.
The core activity of Z83 is to provide trust and CFO services to digital companies, particularly startups and SMEs. This includes, among other things: accounting and payroll processing, VAT returns and tax returns, CFO-as-a-Service (CFOaaS) with proactive consulting and support on financial topics such as process optimization, budgeting and succession solutions, and audits and inspections to ensure compliance with legal regulations. The company supports its customers in processing financial and HR processes, enabling them to have more time for their entrepreneurial goals and dreams.
KANZLEI ULF BROSOWSKI
Since 2011 · 1–10 empl.
KANZLEI ULF BROSOWSKI provides business consulting to small and medium-sized companies and private individuals. Its services include independent company analyses and valuations, fiduciary administration, investment advice, and support with business relationships and capital raising.
Oltreu GmbH
Since 2019 · 1–10 empl.
Oltreu GmbH is a fiduciary and audit firm providing financial audits, bookkeeping, financial statement preparation and advice, and tax services. It also advises businesses and individuals on matters including financial planning, company formation and succession.
Acta-Treuhand AG
Since 1964 · 1–10 empl.4.0(10)
Acta-Treuhand AG provides fiduciary services in bookkeeping, payroll administration, taxation and auditing. Its services also include business consulting, financial and business plans, and support with company formation, succession planning and business transactions.
Avida Immobilien-Treuhand AG
Since 1990 · 11–20 empl.3.4(83)
Avida Immobilien-Treuhand AG is a real estate services firm offering property management and administration for rental properties and condominium ownership, together with brokerage and sales, property valuation (market-value reports) and real-estate photography. The company serves private and commercial clients and provides full or partial mandates for administrative and technical property management.
Solidis Treuhand AG
Since 1971 · 11–20 empl.4.0(4)
Solidis Treuhand AG provides fiduciary and business services, including auditing, tax advice and corporate consulting. Its services also cover accounting, personnel administration, outsourcing of administrative tasks and real estate matters.
Conz Treuhand AG
Since 1987 · 11–20 empl.4.0(4)
The core activity of Conz Treuhand AG is the provision of trust services, particularly in the areas of auditing, tax consulting, accounting, business consulting, and property management. The company supports and relieves its clients in these areas, enabling them to focus on their core business.
BaselLegal GmbH Zweigniederlassung Olten
Since 2025 · 1–10 empl.
BaselLegal GmbH Zweigniederlassung Olten is a law firm focused on pension law. It advises and represents pension funds, employers and private individuals, with particular work in occupational pension matters, foundations and tax law.
KUB International AG
Since 2009 · 1–10 empl.
KUB International AG provides business and technology consulting for companies and private clients, including services in fiduciary administration, investment and finance. Its services include company analysis and valuation, domiciliation, and advice and support with company formation.
Richard Finance GmbH
Since 2026 · 1–10 empl.
Richard Finance GmbH is an insurance broker providing advice on insurance, financial and tax matters. It compares offers from different insurance companies and supports clients in selecting and implementing suitable solutions.
PVM Konzept AG
Since 1973 · 1–10 empl.
Reize Immobilien AG
Since 1977 · 1–10 empl.
Veto AG
Since 1978 · 1–10 empl.
Treuhand und Revisionen Bruno Gervasoni Dipl. Buchhalter/Controller
Since 1987 · 1–10 empl.
Marc Hert Consulting
Since 1987 · 1–10 empl.
GeRoGestions AG
Since 1990 · 1–10 empl.
AB GmbH
Since 2001 · 1–10 empl.
ReviCare GmbH
Since 2001 · 1–10 empl.
ImmoOlten AG
Since 2005 · 1–10 empl.
calmida gmbh
Since 2007 · 1–10 empl.
Hübeli Immo AG
Since 2010 · 1–10 empl.
ASIMO Treuhand AG
Since 2020 · 1–10 empl.
Immokreis AG
Since 2023 · 1–10 empl.
Aureum Treuhand & Interim Management GmbH
Since 2024 · 1–10 empl.
Accountant in Olten
Accountant in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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