Tax Consultancy
Practical tax consultancy focused on impact assessment, documentation, and coordination. We provide advisory support, not regulated tax filing or legal representation.
Eight ways we engage in this domain.
Each service below is a structured engagement we run inside this practice. They can stand alone or be combined into a broader programme depending on the decision you are taking. Open any card to read the full overview, activities and outcomes.
When clients engage us.
- Recent tax changes have not been mapped to the business model
- Documentation is fragmented across functions
- Transactions need a structured tax view before signature
- Tax exposure has never been formally reviewed
How we work it.
We review the operating and transaction landscape, identify tax-relevant exposures, coordinate with regulated tax practitioners where required, and produce documentation and advisory notes that support compliance.
What we need from you.
- →Group structure and entity overview
- →Recent financial statements and trial balance
- →Existing VAT and corporate tax filings
- →Transaction documentation under review
- →Existing tax-related policies and procedures
What you receive.
- -Tax impact assessment
- -Compliance support checklist
- -Transaction tax considerations note
- -Documentation support pack
- -Risk and action register
- -Mapped tax impact across business lines
- -Documentation pack supporting compliance
- -Action register with owners and timing
How the engagement runs.
A structured six-step process applied consistently across every engagement in this practice.
Scoping
Define the tax-relevant question, business lines, and entities in scope.
Landscape Review
Review group structure, transaction flows, and current documentation.
Impact Assessment
Map VAT, corporate tax, and transaction exposures across business lines.
Coordination
Engage regulated tax practitioners where formal positions are required.
Documentation
Produce advisory notes, checklists, and supporting documentation pack.
Action Register
Hand over a clear action register with owners and timing.
Scoping
Define the tax-relevant question, business lines, and entities in scope.
Landscape Review
Review group structure, transaction flows, and current documentation.
Impact Assessment
Map VAT, corporate tax, and transaction exposures across business lines.
Coordination
Engage regulated tax practitioners where formal positions are required.
Documentation
Produce advisory notes, checklists, and supporting documentation pack.
Action Register
Hand over a clear action register with owners and timing.
Common questions about this practice.
If you have a question that isn't covered here, the IGBS team will respond within one business day.
Speak to the teamOften engaged alongside.

Discuss a tax consultancy engagement with the IGBS team.
Speak with our advisory team about a diagnostic review, feasibility study, or full advisory engagement.


