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Start/Costs

What the audit costs

Same rates for every ZF supplier. The navigator gives your exact price.

The rates

By scope and audit approach

Same rates for every ZF supplier.

You engage and pay us, not ZF.

From our own engagements, 2026, ±10 %, plus VAT; businesses only.
Whole consumptionZF GE RecommendationZF share onlyZF GE Minimum Requirement
ZF Supply Chain Audit ApproachISRS 4400€3,000€5,000After prior assessment¹
General limited assuranceISAE 3000 (Revised), ISSA 5000€4,000€6,500

¹ ISRS 4400 under the ZF GE Minimum Requirement needs a prior assessment of the allocation. One value per legal entity.

Good to know

What changes the price

  • Mixing approaches

    If we audit part of the ZF minimum requirement under ISRS 4400 and part under ISAE 3000, it costs more. We agree the price with you.

  • For ZF only

    The rates apply to using the report towards ZF.

  • For others too

    If the report is also meant for customers, banks or others, a significant surcharge applies. We discuss it with you.

The navigator gives your price

To the navigator