# Source: https://taxstrategistdirectory.com/topics/due-diligence/

BUYER RESEARCH

# Due diligence research.

Start with the guide closest to your decision, then compare scope and responsibilities.

[Due diligence

### How to Verify a Tax Adviser’s Credentials

Check the people delivering your work, not only the credentials displayed on a firm website.Read the guide ↗](https://taxstrategistdirectory.com/guides/verify-tax-adviser-credentials/)[Due diligence

### How to Evaluate Tax Savings Claims Before Hiring

Turn a headline savings claim into questions about assumptions, costs, and implementation.Read the guide ↗](https://taxstrategistdirectory.com/guides/evaluate-tax-savings-claims/)[Due diligence

### How to Read Tax Firm Reviews Critically

Use reviews as signals while verifying the service details that matter to your business.Read the guide ↗](https://taxstrategistdirectory.com/guides/evaluate-tax-firm-reviews/)[Due diligence

### Data Security Questions to Ask a Tax Firm

Evaluate how a prospective adviser receives, stores, and controls access to sensitive records.Read the guide ↗](https://taxstrategistdirectory.com/guides/tax-adviser-data-security-checklist/)[Due diligence

### When to Seek a Second Opinion on Tax Advice

Define a focused review that resolves uncertainty rather than generating another disconnected plan.Read the guide ↗](https://taxstrategistdirectory.com/guides/second-opinion-tax-advisory/)

## Bring the research into a proposal.

Use these questions to define the work you need rather than assuming a firm’s title establishes its service scope. Ask candidates for a written answer, identify the responsible professional, and record what remains unresolved.

[Compare AE and other service models](https://taxstrategistdirectory.com/comparisons/) or [build a proposal worksheet](https://taxstrategistdirectory.com/compare/).