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SIEWAL AUDIT GmbH in Oberwil - Fiduciary Basel-Landschaft

Im Thomasgarten 14 · 4104 · Oberwil · Basel-Landschaft

Overview

SIEWAL AUDIT GmbH is a listed fiduciary or accounting provider based in Oberwil, canton of Basel-Landschaft, with reference address Im Thomasgarten 14, 4104, Oberwil, BL. The services associated with the company include audit/revision, advisory, making it a candidate to review for SMEs, independent professionals, or local companies looking for support in the region. This profile helps prepare a first conversation: check whether the firm covers bookkeeping, year-end closing, tax topics, audit/revision, or advisory work depending on your needs. Public data confirms UID CHE116033483; team size, current capacity, and pricing should be requested directly from the company. Listed languages: de. Listed client segments: PME suisses. Additional public signals: Source officielle Zefix disponible.

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Publicly associated people are shown only when a public source links them to this fiduciary firm.

  • Heinz Sieboth

    Gesellschafter und Geschäftsführer

    Official registryOpen source

    SOGC/FOSC 2026-05-12 #1006649202: Sieboth, Heinz, von Solothurn und Riedholz, in Oberwil (BL), Gesellschafter und Geschäftsführer, mit Einzelunterschrift, mit 20 Stammanteilen zu je CHF 1'000

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Particularities

  • Location: Oberwil (Basel-Landschaft), address Im Thomasgarten 14, 4104, Oberwil, BL.
  • Services to verify with the firm: audit/revision, advisory.
  • Additional signals: Source officielle Zefix disponible.
  • Current contact details should be confirmed directly with the company.

Best fit for

  • SMEs and independent professionals around Oberwil looking for audit/revision, advisory.
  • Companies in the canton of Basel-Landschaft comparing a local fiduciary provider.
  • Business owners preparing a first conversation about scope, pricing, and accounting tools.

Services

RévisionConseil

Languages & client focus

de

PME suisses

Digital signals

  • Source officielle Zefix disponible

Verified sources

The items below show which listing data is backed by an official or public source.

  • Official registryOpen source

    UID number

    CHE116033483

    Manual review is still required before commercial interpretation.

  • Official registryOpen source

    Identified services

    Révision · Conseil

    Die Gesellschaft bezweckt die Erbringung von Beratung und Dienstleistungen im Bereich Wirtschaftsprüfung. Die Gesellschaft kann Zweigniederlassungen und Tochtergesellschaften im In- und Ausland errichten und sich an anderen Unternehmen im In- und Ausland beteiligen sowie alle Geschäfte tätigen, die direkt oder indirekt mit ihrem Zweck in Zusammenhang stehen. Die Gesellschaft kann im In- und Ausland Grundeigentum erwerben, belasten, veräussern und verwalten.

    Manual review is still required before commercial interpretation.

  • Official registryOpen source

    Verified information

    https://bl.chregister.ch/cr-portal/auszug/auszug.xhtml?uid=CHE-116.033.483

    Manual review is still required before commercial interpretation.

  • Official registryOpen source

    Verified information

    ACTIVE

    Manual review is still required before commercial interpretation.

  • Official registryOpen source

    Verified information

    Manual review is still required before commercial interpretation.

  • Official registryOpen source

    Verified information

    Manual review is still required before commercial interpretation.

Points to confirm

  • • Services actually offered and availability for new mandates.
  • • Team size, contact person, and working languages.
  • • Fees, engagement terms, accounting tools, and collaboration model.

Use this profile as a starting point to compare providers and prepare questions before a first conversation.

Working well with your fiduciary

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How this listing was built

SIEWAL AUDIT GmbH in Oberwil | Fiduciary Basel-Landschaft | Numezis