Services
Tax, compliance and advisory across seven countries.
Every engagement is scoped against the whole group, not a single return. Each service below has a dedicated page with a practitioner guide you can download.
What we do
One file, every jurisdiction
Select a service to read the full guide and request a consultation. The same team that prepares the work defends it.
- 01
International Taxation
Structuring and compliance for businesses and people who cross borders, from treaty positions to foreign tax credits.
Read the guide - 02
Transfer Pricing
Arm's-length pricing studies, documentation and defence for groups trading across borders, built on the OECD guidelines and local rules.
Read the guide - 03
IP & Transaction Advisory
Structuring the ownership, licensing and migration of intellectual property so royalty flows are defensible and tax-efficient.
Read the guide - 04
OECD/UN Model & Treaty Advisory
Treaty interpretation, residency and permanent establishment analysis using the OECD and UN model conventions.
Read the guide - 05
US Taxation — Direct & Indirect
Federal and state filings for corporations, partnerships and individuals, with payroll and sales tax handled in the same place.
Ascen Tax USARead the guide - 06
Canada Taxation — Direct & Indirect
T2 and T1 filings, GST/HST, payroll remittances and CRA correspondence for Canadian and cross-border operations.
Read the guide - 07
India Taxation — Direct & Indirect
Income tax, TDS and GST compliance with assessment and litigation support, delivered by chartered accountants.
Read the guide - 08
United Kingdom Taxation
Corporation tax, VAT and Self Assessment for UK companies and the owners behind them.
Read the guide - 09
UAE Taxation
Corporate tax and VAT registration and filings, with free-zone qualification and economic substance analysis.
Read the guide - 10
Singapore & Australia Taxation
IRAS and ATO compliance for companies expanding into Asia-Pacific, including GST, BAS and statutory payroll.
Read the guide - 11
Global Payroll
Payroll registration, pay runs, withholding and year-end filings in all seven countries, on one calendar.
AscenPayRead the guide - 12
Corporation Creation
Company formation in the United States, United Kingdom, Canada, India, the UAE, Singapore and Australia.
AscenPayRead the guide - 13
Accounting Services — Global
Bookkeeping, month-end close and statutory accounts for entities in every country we serve.
AscenAiRead the guide - 14
Advisory Services — Global
Structuring, expansion planning and CFO-level support for owner-managed groups.
Read the guide - 15
M&A Services — Global
Buy-side and sell-side support: diligence, deal structuring and post-completion integration.
Read the guide - 16
Business Valuation Services — Global
Independent valuations for transactions, tax filings, disputes and share issues.
Read the guide - 17
Brand & Trademark Registration
Clearance searches, filings, prosecution and renewals across seven registries, handled by one team.
AscenMarkRead the guide - 18
Corporate & Bank Advisory
Credit proposals, valuation support and bookkeeping for owner-managed groups across every country we serve.
AscenAiRead the guide
Not sure which service you need?
Describe the situation and we will tell you which filings apply and in which order.