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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesBaselSAS Accounting GmbH
SAS Accounting GmbH Logo
Verified· 3 sources

SAS Accounting GmbH

Summary

About the company

SAS Accounting GmbH provides US and Swiss tax and accounting services, including preparation of individual and business tax returns, cross-border tax advice, and filing or amendment of returns. The firm also supports accounting and reporting under US GAAP, Swiss GAAP (FER), IFRS and the Swiss Code of Obligations, and offers Certified Acceptance Agent (CAA) services for ITINs.

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Products & services

Industry:Fiduciary Offices
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✓ Offered10
Tax Advisory
Tax advisory for individuals and businesses; US and Swiss tax returns, cross-border tax planning, tax advice for expats and help with tax questions.
Tax Return and Declaration Service
Tax return and declaration service for US and Swiss individuals and businesses; Form 1040, 1040-X, 1040-NR, Swiss tax returns, VAT settlement statements and withholding tax declarations.
Accounting
Accounting for businesses with US GAAP, Swiss GAAP FER and OR/SCO; financial bookkeeping, Financial Statement Review and Tax True-up.
Payroll Accounting
Payroll accounting for businesses; Swiss Payroll Accounting with AHV, ALV, EO, IV, UVG, PK and QST.
VAT and Sales Tax Reporting
VAT and sales tax reporting for businesses; Swiss VAT Declarations and US sales tax reporting.
Tax Planning
Tax planning for individuals and SMEs; cross-border US and Swiss tax planning, tax forecasts and support with complex tax questions.
Business Tax Declaration
Business tax declaration; US corporate income tax returns, Swiss business tax returns and filings for legal entities.
Audit and Review Service
Audit and review service; review of self-prepared tax filings, Financial Statement Review and Tax True-up.
Certified Acceptance Agent Services (CAA)
Certified Acceptance Agent Services (CAA) in Zug and Basel; certification of document copies and acceptance of ITIN numbers from the IRS.
Tax Consultation Sessions
Tax consultation sessions on site or online; introductory consultation, video chat meeting and first consultation with the tax experts.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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Location

St. Johanns-Vorstadt 16
4056 Basel
Opening hours
Mon
09:00 - 18:00
Tue
09:00 - 18:00
Wed
09:00 - 18:00
Thu
09:00 - 18:00
Fri
09:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-115.855.809
Founded
2010 · 16 years
Last commercial register change
March 21, 2023
Employees
1 to 10

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