Tax credit review and recovery
Five years of taxes under the microscope. What you overpaid goes back to your cash flow.
Boutique tax consultancy · since 2015
Pay the right tax. Recover the rest.
We review five years of your taxes, fix risks and get your company ready for IBS and CBS. No upfront fee: we only get paid if we recover.
Win-win simulator
Drag to estimate the credit found (example)R$ 0R$ 2 M
Estimated creditR$ 1,16 M
Stays with youmost of it
If no credit is foundR$ 0
Average time~2 months
AchievementSimulator used
400+companies trust Diferencial
R$ 300Mrecovered for clients
10+ yearsin audit and tax
2offices: POA and SP
0upfront fee for the review
Technology with a human face
Data to find it. Specialists to decide.
Analytics and BI tools speed up the review of your taxes; experienced auditors validate every opportunity before it reaches your company.
5-year reviewBI and reportsReform 2026
Your journey
Four steps to find out how much your company could gain.
Go at your own pace. Each step earns a medal and brings you closer to a tailored recommendation.
- 11 min
Simulate the success-fee model
See why there is no risk: no credit, no invoice.
Simulate → - 22 min
5-question check-up
Find out your company’s opportunity level.
Start → - 32 min
Tax Reform 2026 quiz
Five questions on IBS and CBS. Earn the “Ready for 2027” medal.
Answer → - 430 min
Talk to a specialist
Pick a day, time and format. Free of charge.
Book →
0/4 medalsMais 3 medalhas para desbloquear o Guia da Reforma 2026
ServicesNo upfront fee
A specialist for every piece of your tax puzzle.
Compliance
Filings right, risks mapped.
Tax planning
Regime and incentives working for you.
Tax BPO
Your tax function, outsourced with rigour.
Corporate
Holdings and family succession.
ICMS credit
Idle credit back in circulation.
Lei do Bem
Up to 34% less IRPJ/CSLL for innovators.
Accounting
Management accounting with BI and monthly meetings.
Tax Reform
The calendar that will move your prices.
- 2026Test: CBS 0.9% + IBS 0.1%
- 2027Full CBS
- 2029ICMS/ISS transition
- 2033New system
IBS/CBS calculator · estimate per transactionCalculate
Healthcare
You speak healthcare. So do we.
Hospitals, clinics, labs and medical distributors face their own tax rules. This is where we grew.
- PIS/Cofins on medical and hospital products
- Special regimes under the Reform
- Health plan operators: ANS compliance with Opera+ Saúde
About us
Boutique in manner, audit-grade in rigour.
Since 2015, a team of auditors and consultants in Porto Alegre and São Paulo. Technology to move faster; people who know every client by name.
EthicsClient focusInnovationTeamwork
★★★★★“The detailed review found errors and recovered a significant amount of overpaid taxes.”
Júlio Sartori · Direito de Ouvir
★★★★★“Fast, clear and well-grounded work.”
André Melo · Safe
Step 4 · the final medal
Shall we talk about your numbers?
30 minutes, free and with no commitment. Choose where you’d like to talk.
- ✓ No upfront fee
- ✓ Pay only if we recover
- ✓ Administrative route, no lawsuits