Tax & Payroll Audit

An honest second opinion on your payroll and employment tax

Independent review of your payroll calculations, filings and employment-tax treatment.

Trusted by global employers, scale-ups and Fortune 500s

Why it matters

Get peace of mind that your payroll is right — and recover any over- or under-payments before the authorities find them. We audit both local-hire and inbound/outbound expat populations.

Topics & coverage

Payroll auditEmployment tax auditShadow payrollHypothetical taxStock optionsBenefits in kindInbound mobilityOutbound mobilityPayroll complianceFiling reconciliation

Why Nestlers

Built to own the complexity behind tax & payroll audit.

We own the numbers

Calculations, filings and reconciliations driven to closure by your dedicated team — never punted back.

Local rules, applied correctly

Direct delivery in our core markets, plus a vetted partner network for the wider region.

Payroll plus everything around it

Pair payroll with tax advisory, social security and EOR — one contract, one accountability line.

Cross-border specialists on tap

Shadow payroll, equalisation and edge cases handled by senior specialists, often within hours.

Built to scale cycle after cycle

From a single payslip to multi-country payroll runs — the engine flexes with your headcount.

Audit-proof, every cycle

Full audit trail on every calculation and filing — designed to survive scrutiny.

Calculation testing — re-performed end-to-end

We re-perform a sample of payslips end-to-end against current legislation, in your home market and in your assignees' host countries.

Sample-based re-performance
Local + shadow payroll testing
Tax-equalisation reconciliation

Filing reconciliation, line by line

Match recurring statutory filings and bank payments against payroll output — and reconcile to the GL.

Statutory filing reconciliation
Bank to payroll to GL trace
Year-end income certificate review

Benefits, expats and stock options

Stock options, benefits in kind, hypothetical tax and tax equalisation review — the areas where most companies leak value.

Stock options & RSUs
Benefits in kind valuation
Hypo tax & equalisation

How it works

A clear, four-step engagement

Plan

Population, period and sample-size agreed up front.

Test

Re-perform calculations, reconcile filings, interview owners.

Report

Findings, recovery actions and recommended controls.

Recover

Optional support to recover over-payments and close gaps.

Where we deliver from

Local Expertise. 60+ partner countries.

We employ, file and advise directly from our own entities in Romania, Moldova, Serbia, Bulgaria, Brazil and Colombia — and partner with vetted specialists in 60+ more countries to support your inbound and outbound EU mobility.

Bucharest

Romania

Headquarters

Chișinău

Moldova

Eastern hub

Belgrade

Serbia

Western Balkans hub

Sofia

Bulgaria

EU South-East hub