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Ascendum Corporate Advisory LLC

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Practitioner guide

US Taxation — Direct & Indirect

Federal and state filings for corporations, partnerships and individuals, with payroll and sales tax handled in the same place.

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Overview

What this service covers

We prepare and file the full US stack and represent clients when the IRS or a state department of revenue asks questions. Filing calendars are set at the start of the year so nothing is discovered late.

Who it is for

US companies, foreign-owned US subsidiaries, partnerships and individuals with US filing obligations.

Deliverables

  • Forms 1120, 1120-S, 1065, 1040 and 1040-NR
  • Payroll filings: 94x series, W-2, 1099
  • Sales and use tax registrations, nexus review and returns
  • State franchise and annual report filings
  • IRS and state representation, notices and penalty abatement

Practitioner guide

US Taxation — Direct & Indirect: a plain-English guide

The full US stack in one calendar

US compliance is a stack, not a single return: federal, state, payroll and sales tax each run on their own deadlines, and a missed state filing can trigger a franchise tax even with no activity. We set every deadline at the start of the year so nothing is discovered late.

Foreign-owned US subsidiaries face additional reporting — Form 5472, the related-party transactions statement, and the 1120-F where relevant. We file these alongside the 1120 so the US entity's cross-border position is complete.

Returns and representation

We prepare and file Forms 1120, 1120-S, 1065, 1040 and 1040-NR, and review the K-1s that flow out of partnerships and S-corporations so the owners' returns agree with the entity return.

When the IRS or a state department of revenue raises a query, we respond with the supporting workpapers rather than a bare number. Penalty abatement, notice responses and examination support are part of the same file, not a separate engagement.

Payroll and sales tax

Payroll (94x series, W-2, 1099) and sales and use tax registration and returns run alongside the income tax return. Nexus for sales tax is now economic as well as physical; we review where registration is required, file the returns, and manage the voluntary disclosure where exposure already exists.

What we deliver

A filing calendar, the federal and state returns, the payroll and sales tax filings, the related-party reporting, and IRS and state representation. The deliverable is a US position that is filed on time and defensible on review.

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Considering us taxation — direct & indirect?

Describe the entity, the countries and the deadline. We will scope the work and confirm the next step.