DS fiduciaire, Duc & Fils SA - Sierre
  • Accueil
  • Home
  • A propos
    • Histoire
    • Nos valeurs
    • Politique qualité
    • Organisation
    • Organigramme
    • Podcast
    • Questionnaire de satisfaction
    • Nos vidéos Pause Café
  • About
    • History
    • Our values
    • Quality Policy
    • Organisation
    • Organisation Chart
    • Podcast
    • Satisfaction survey
    • Our Coffee Break videos
  • Fiduciaire
  • Trusts
  • Fiscalité
  • Taxation
  • Immobilier
    • A propos
    • Immeubles
    • Gérance locative
    • Courtage
    • Nos Objets
  • Property
    • About
    • Administration of condominium-ownership properties
    • Rental management
    • Brokerage
    • Our Properties
    • Satisfaction survey
  • Transmission d'entreprises
  • Transferring your business
  • Liens
  • Links
  • Contact
  • Contact us
  • Accueil
  • Home
  • A propos
    • Histoire
    • Nos valeurs
    • Politique qualité
    • Organisation
    • Organigramme
    • Podcast
    • Questionnaire de satisfaction
    • Nos vidéos Pause Café
  • About
    • History
    • Our values
    • Quality Policy
    • Organisation
    • Organisation Chart
    • Podcast
    • Satisfaction survey
    • Our Coffee Break videos
  • Fiduciaire
  • Trusts
  • Fiscalité
  • Taxation
  • Immobilier
    • A propos
    • Immeubles
    • Gérance locative
    • Courtage
    • Nos Objets
  • Property
    • About
    • Administration of condominium-ownership properties
    • Rental management
    • Brokerage
    • Our Properties
    • Satisfaction survey
  • Transmission d'entreprises
  • Transferring your business
  • Liens
  • Links
  • Contact
  • Contact us

Confidence & Competence

Trusts, Advice and Auditing

Are you a company with its registered office abroad but doing business in Switzerland?
Do you want to set up your own business?
Are you taking over an existing concern?
Do you want to domicile your company in Valais?
Have you inherited a company or business?
Do you want to change the legal status of your company?
Are you looking for an administrative partner?
Are you looking for an accredited auditor?
Do you want to transfer your company?
Do you want carry out an audit on the organisation of your company?

DS Fiduciaire, Duc & Fils SA is your ideal partner in Valais to help you to successfully manage your company. Our expert and experienced staff are on hand to offer you a bespoke service.

In particular, we offer

Management of your company

  • Tax representation in Switzerland for your foreign company with respect to VAT.
  • The management and administrative follow-up of your company (payments, correspondence, invoicing, filing and suchlike).
  • Following up (litigious) collections.
  • Complete care of your accounts (data entry, year-end closing, submitting official reports).
  • Managing your payroll (social security charges, monthly salary statements, final authorisations on accounts, contracts and suchlike).
  • Notification and affiliation to various funds and institutions (social security charges, VAT).
  • VAT returns.
  • Help with AVS [Retirement & Survivors’ Insurance], SUVA [Swiss Accident Insurance Fund], CIVAF [Valais Family Allowance Cantonal Fund], LPP [Swiss Pension Law] and VAT inspections
  • Preparing your operating accounts.
  • Performing your company audit.
  • Working out your budgets.
  • Dealing with the banks.
  • Providing insurance advice.
  • Creating, transferring and/or winding up your company.
  • Establishing domicile and handling administrative matters for foreign clients.
  • Analysing your business (assessment, due diligence, advice).
  • Following up and advising on company transfers.
  • Restructuring your company.
  • Devising a business plan.
  • Performing an organisation audit.
We also handle your needs with respect to the management and organisation of your company, in particular:
  • General organisation.
  • Management of your administration, dare to delegate!
  • Tax and accounting advice.
  • Analysis of your environment.
  • Showcasing your company by devising a business plan.
  • Building staff loyalty.
  • Implementation of procedures and specifications and drawing up contracts.
  • Planning economic indicators (budgets, dashboard and cost price analysis).
  • Establishing an intermediate picture to help with decision-making.
  • Computerisation of your administrative tools.
Stay focused on your targets, we’ll handle the rest.

Contact us for an analysis of your needs

Links :
  • New VAT rules
  • Social insurance, Key figures 2025
  • New law of the Limited Company, from January 2023, in summary
  • News AHV Reform
  • Increase in family allowances 2025
  • Support for businesses affected by bad weather on 30 June 2024
You can access our services throughout Swiss Romandie. 
Please don’t hesitate to contact us for a quotation.
“The success of your business is our priority"
Contact us

The opinion of some of our customers : 

  • "It was on the recommendation of a friend that I contacted DS Fiduciaire in Sierre. My previous fiduciary was not giving me complete satisfaction.
    I quickly realized that I could count on the whole team, because everyone has their own specialty, and every problem is solved very quickly.
    It all started with a business plan that enabled me to set up a new company, and above all to convince the bank. And all at very reasonable rates!
    I don't regret my choice, because I save time and money today.
    Thanks to the whole team."
NR Acoustic Sàrl and Heme Optique SA, Sion, Nicolas Lampin, Board Member and Managing Partner
 
​
  • In the context of our advice on the creation of Second'Hair Sàrl, in particular on the establishment of a business plan:
    "Reliable, fast and competent.  Moreover, you listen to your customers, even for a new SME like mine. Thanks to your advice and support, I was able to start my business while devoting myself entirely to my activity. "
Second'Hair Sàrl, Sion, Favaloro Nathalie, Partner and Manager
Contact us

DS Fiduciaire, Duc et Fils SA | Av. Général Guisan 29, CH-3960 Sierre Valais | T:+41(0)27 455 60 83  | E:[email protected] | plus d'info
Suivez-nous : 
Photo
Photo


DS Fiduciaire, Duc et Fils SA | Av. Générale Guisan 29, CH-3960 Sierre Valais |  F: +41(0)27 456 60 83 | E: [email protected] | more info
Follow us :
Photo
Photo

Création de site Internet