🇩🇪Germany

Subunternehmer-Betrugserkennung durch fehlende Stundendokumentation (Schwarzarbeit-Risiko)

2 verified sources

Definition

Mobile survey crews report hours via email/spreadsheet. No GPS timestamp, no geofencing, no real-time validation. Fraud risks: (1) Subcontractor bills 40 hours but works 25 (padding), (2) Crew deployed to multiple job sites same day (double-billing), (3) Unreported labor (Schwarzarbeit) creates principal liability under SchwAV. Audit penalties: €5,000–€20,000 per case; fraud recovery = invoiced amount + interest.

Key Findings

  • Financial Impact: €5,000–€20,000 labor audit fine; €10,000–€50,000 fraudulent invoice recovery; €3,000–€10,000 remediation/documentation cost.
  • Frequency: Ad-hoc discovery during tax/labor audit (Betriebsprüfung); 1–2 cases per 50–100 subcontractors/year sector-wide.
  • Root Cause: Manual time entry; no GPS/timestamp verification; no geofencing; no real-time field tracking; decentralized documentation.

Why This Matters

This pain point represents a significant opportunity for B2B solutions targeting Surveying and Mapping Services.

Affected Stakeholders

Subcontractor Manager, Finance/Billing, Compliance/HR, Project Manager

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Financial Impact

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Current Workarounds

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Methodology & Sources

Data collected via OSINT from regulatory filings, industry audits, and verified case studies.

Evidence Sources:

Related Business Risks

XRechnung/ZUGFeRD Konvertierungsfehler bei Subunternehmerabrechnungen

€5,000–€25,000 per audit case; €100–€500 per rejected invoice; 15–25 hours/month manual remediation (€1,200–€2,000/month labor).

Subunternehmer-Koordinations-Overhead durch manuelle Vertragsabwicklung (LkSG-Compliance)

€12,000–€25,000/year (manual overhead + auditor costs); €2,000–€5,000 per LkSG audit failure remediation.

Unbilled Subunternehmer-Leistungen durch Abrechnungs-Koordinationsverluste

€30,000–€80,000/year (2–4% of typical €1M–€2M subcontractor spend); €50,000–€150,000 cash flow drag (extended A/R cycle).

Verzögerte Subunternehmer-Abrechnung durch manuelle Invoicing (Zahlungsverzugsfolgekosten)

€6,000–€12,000/year in unintended late-payment interest (on €1M subcontractor spend); €2,000–€5,000 in subcontractor churn/replacement costs due to payment delays.

Nacharbeit durch fehlende Subunternehmer-Spezifikations-Dokumentation

€20,000–€60,000/year in rework costs (5–10% of project portfolio value); €10,000–€30,000 in client compensation/warranty claims.

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