US Tax Returns & Compliance

Keep compliant with the IRS with our US tax team & keep your tax compliance all under one roof.

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We manage your US Tax so you don't have to

By partnering with our team of talented tech CPAs, Fullstack can handle the tax compliance so your
global company can focus on making products that customers love.

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Senior Tax Expertise

Our ex-big 4 senior tax CPAs have decades of tax IP to apply for your situation. Transfer pricing, w8-Bene’s, International Dealings Schedule? Sorted.

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Tech Know-it-Alls

Global tech & ecommerce companies are our jam. If you’re between Seed to Series C or building a 7 to 8 figure brand you’ll find yourself at home.


Sync with your AUS situation

With dozens of clients with cross AUS-US transactions and structures, we are most excellent with the intricacies of an international tax situation.

Fullstack Tax US compliments your global finance team

Dont cramp your style managing 3+
suppliers. Consolidate and enjoy the
synergies of working with a dedicated
operator in tech accounting.

US Tax Services that support your business

We recognise that our clients have different tax requirements, so we’ve structured our US tax accounting service so you can customise a package that works for your business. Pick and choose what you need from our team or book a US Tax Consultation to help us guide you.

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All Tax Returns & Key US Filings

We offer support across all major filings for C-Corps including the annual tax return, Form 1099, Form 941, payroll & state taxes.

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Corporate Structuring

Optimise your structure to attract different pools of investors, asset protection, tax efficiency and to best capitalise on opportunities wherever they may be.

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Transaction Tax Planning

Financial & tax strategies for tech & online brands restructuring, moving headquarters or pursuing an M&A event.

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Sales Tax Compliance

We utilise the latest sales tax apps and a few decades of US group tax expertise to cover your bases here.

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R&D Tax Credits

Global tech & ecommerce companies are our jam. If you’re between Seed to Series C or building a 7 to 8 figure brand you’ll find yourself at home.

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Sync With Your AUS Situation

Transfer Pricing, Staffing, Export Sales, Double Tax Treaties, Tax Residency – make sure your operations are attuned to best practice.

You’re a good fit for Fullstack Tax US if...

You’ve Raised Venture Capital

If you’ve raised a Seed to Series C round or using venture debt.

You have Significant Turnover

You’re an online business with 7-8 figures in turnover.

You’re after a Integrated Solution.

Rather than working with several suppliers, you’re to keen to simplify things.

Entrepreneurs say it best.

Cannot speak highly enough of their service. The team provide regular accurate reporting that allows us to have a clear view of the company's financial position.
Paul Tory, Foodbomb
Fullstack were extremely helpful with their expertise for company accounting. Highly recommend any startup or SME getting in touch with these guys for all accounting & R&D requirements.
Mark Curry, Savvy Beverage

Add Fullstack US Tax Expertise to your situation

To help manage your US Tax situation, contact
the tax team at Fullstack or organise a
discovery meet.

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