Advice begins with a defined question
Tax consultancy helps a business understand how tax rules apply to its facts and what action or evidence is needed. The deliverable might be a written assessment, transaction review, compliance plan or response to a specific query. It should be more precise than a promise to handle all tax matters.
Filing is the preparation and submission of a return or application. Advice can take place before that stage, particularly where the transaction, classification or eligibility is uncertain. The engagement should say whether implementation and follow-up are included.
Common areas of work
- Reviewing the tax treatment of a planned transaction.
- Assessing registration, relief or exemption conditions.
- Reconciling accounting information to return figures.
- Reviewing related-party arrangements and supporting documentation.
- Preparing for an authority information request.
- Designing responsibilities and review controls for recurring filings.
Different questions require different expertise. A complex cross-border matter may need coordinated legal and tax advice rather than a routine bookkeeping engagement.
Prepare a useful briefing pack
Explain the decision, the parties, the relevant dates and the desired outcome. Supply the contract, transaction flow, invoices, correspondence and accounting records. Identify assumptions or missing evidence openly.
For example, a business considering a new supply arrangement should provide where goods or services move, who contracts with whom and who invoices the customer. A short label such as export does not by itself establish the tax result.
How to evaluate an adviser
Ask about experience with the relevant issue, who will perform and review the work, and what written output will be provided. Confirm fees, exclusions, information responsibilities and the process for follow-up questions.
If formal representation requires a particular registration or authority, verify that status for the person acting. Do not assume every accountant or consultant has identical representation rights.
What good advice should provide
A useful response states the conclusion, the facts relied on, relevant assumptions and the actions required. It also identifies uncertainty and changes that would require the position to be revisited. No adviser should promise guaranteed savings, a particular authority decision or complete protection from penalties.
Sources and further reading
Official references checked during the 24 October 2026 refresh. Application details and requirements can change; use the current source for the relevant entity and period.
