SIEWAL AUDIT GmbH in Oberwil - Fiduciary Basel-Landschaft
Im Thomasgarten 14 · 4104 · Oberwil · Basel-Landschaft
No public phone number or website is attached to this listing.
What you should know
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.
- 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.
Contact a person associated with this fiduciary firm
Publicly associated people are shown only when a public source links them to this fiduciary firm.
Heinz Sieboth
Partner
Official registryOpen sourceSOGC/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
Prepare your first contact
The directory has not verified the points below. Ask the firm directly — they are what decide whether the engagement fits you.
- 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.
Sources and method
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.
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