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TAX ADVISORY2022-11-17T19:43:49+00:00

Tax Advisory and Compliance

With our ever-effective tax networks, we are able to structure and strategically position our team to identify, manage and proffer solutions to any tax and regulatory related issues. We are also able to consistently tackle some of the difficulties and challenges that characterize the Nigerian tax system such as determination of applicable taxes on relevant transactions, interpretations of tax laws amongst others and offer profound solutions. We understand the value of research and technical knowledge, thus, our leading tax network is filled with highly experienced professionals and specialists with local and international experience in diverse tax domains.

  • Corporate Tax Support (Income Tax)
  • Personal Income Tax (Local & Expatriate tax support)
  • Transaction Taxes (VAT & WHT)
  • Other Taxes (Capital Gains Tax, Stamp Duties, etc.)
  • Tax Health/Compliance Check.
  • Tax Set-up for Starters.
  • Tax support services for tax audit exercises.
  • Process review of relevant statutory requirements.
  • Tax planning Management.
  • Merger & Acquisition/Buy-Over options.
  • Tax Restructuring.
  • Tax Modelling
  • Transfer Pricing Support services.
  • Cross Border Transactions Support/Tax Review.
  • Global Mobility Tax Services.
  • International Assignment Services
  • Inter-Jurisdictional Tax Support
  • Country by Country Reporting
  • Tax Outsourcing Functions.
  • Training on tax compliance/regulatory matters.
  • Tax Credit Processing (VAT/WHT,etc) for taxpayers.
  • Processing of compliance/regulatory certificates
  • Tax Resolution Management.


Our team is equipped with professionals with experience in both local and international tax laws. We consult on tax matters generally and not streamlined to a particular tax jurisdiction.

We duly advice our clients based on the provisions of the law and how it relates to their businesses, we also send regular remainders and updates to our clients on tax issues. We walk with our clients in every business decision to be taken, so as to boost their compliance level.

We make it a point of duty to send out newsletters upon every circular issue by the regulatory bodies to our mailing list. Also, at every quarter in a year we host a Tax sensitization program to educate and discuss with the general public on the recent tax developments.

Helping businesses just like yours

For expert guidance and know-how you can trust SIAO
Browse SIAO

SIAO is an independent Nigerian professional services firm, providing Audit & Assurance, Accounting, Tax, International Financial Reporting Standards Advisory, Human Resource, and Financial Advisory Services.


BOI House,
Plot 256, Zone A
Off Herbert Macaulay Way
Behind Unity Bank Building
Central Business District

Tel: +23492912462,
Tel: +23492912463


18b Olu Holloway Road,
(Former Temple Road),
Off Kingsway Road,

Tel- +2347015180258

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