Tax Compliance Services
We provide comprehensive U.S. tax compliance services for individuals, businesses, and trustees. From routine filings to complex cross-border reporting, our team ensures your returns are accurate, timely, and fully compliant with IRS requirements.
Our services include:
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Individual and business tax returns (Forms 1040, 1120, 1065)
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Trust and estate filings (Forms 1041, 706, 3520, 3520-A)
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Foreign asset reporting (FBAR, FATCA, Forms 8938, 5471, 8865)
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Withholding and information returns (Forms 1042, 1042-S, 1099, W-8/W-9)
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State and local tax filings
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IRS correspondence and audit support
We offer clear guidance at every stage of the compliance process—helping you understand your obligations, reduce risk, and stay aligned with evolving tax laws and regulatory requirements.

Tax Compliance Services
We provide comprehensive U.S. tax compliance services for individuals, businesses, and trustees. From routine filings to complex cross-border reporting, our team ensures your returns are accurate, timely, and fully compliant with IRS requirements.
Our services include:
-
Individual and business tax returns (Forms 1040, 1120, 1065)
-
Trust and estate filings (Forms 1041, 706, 3520, 3520-A)
-
Foreign asset reporting (FBAR, FATCA, Forms 8938, 5471, 8865)
-
Withholding and information returns (Forms 1042, 1042-S, 1099, W-8/W-9)
-
State and local tax filings
-
IRS correspondence and audit support
We offer clear guidance at every stage of the compliance process—helping you understand your obligations, reduce risk, and stay aligned with evolving tax laws and regulatory requirements.

Tax Compliance Services
At our firm, we help individuals, businesses, and trusts stay on top of their tax obligations. We keep it simple, clear, and personal — because that's how we like to be treated too.
For Individuals
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We prepare and file your federal, state, and local tax returns.
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We help you plan ahead to avoid surprises at tax time and handle any foreign accounts or special reporting needs you may have.
For Trusts and Estates
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We help trust companies meet U.S. foreign trust reporting obligations by preparing DNI calculations, Forms 3520, 3520-A, 5471, and related filings, ensuring full compliance with IRS requirements.
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We help with estate and gift tax filings.
For Businesses
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We prepare and file tax returns for corporations, partnerships, LLCs, and S Corps.
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We manage flow-through tax filings and help partners and shareholders understand their K-1s.

CONTACT
Direct +41449190782
ADDRESS
Gössikon 23
CH-8126 Zumikon
SOCIAL
CONTACT
Direct +41449190782
ADDRESS
Gössikon 23
CH-8126 Zumikon
SOCIAL
CONTACT
Office Address
Fideli GmbH
Haus der Immobilien
Zollikerstrasse 65
8702 Zollikon
Registered Address
Gössikon 23
SOCIAL
CONTACT
Office Address
Fideli GmbH
Haus der Immobilien
Zollikerstrasse 65
8702 Zollikon
Registered Address
Gössikon 23
CH-8126 Zumikon
SOCIAL