For Polish and foreign construction companies

Construction companies and employee posting to Germany

Optima supports foreign construction companies with notifications, registrations, payroll documents and official correspondence for sites in Germany. This includes SOKA-BAU, BG BAU, customs and A1 documents. We coordinate tax-liability assessment with licensed tax advisors.

SOKA-BAURegistration and monthly reports
BG BAURegistration and wage reporting
Customs/FKSNotifications and site documents
Tax liabilityReview and § 48b

Administrative services for construction companies

Posting and A1

We structure the data on employees, site, client, period and social insurance, and keep track of the supporting evidence.

SOKA-BAU

Registration, monthly reports, handling of queries and allocation of working hours, gross wage totals and holiday entitlements.

BG BAU

Registration with the Berufsgenossenschaft, wage reports and coordination of correspondence relating to statutory accident insurance.

Customs and Site Documents

Preparation of documents relevant during inspections: wage records, working-time records, posting data and contact persons.

Tax Liability, Tax Office and §48b EStG

Preparation of documents for tax classification, coordination of the review with licensed tax advisors and support for the construction-service exemption certificate.

Payroll

Preparation of working-time and payroll records, and coordination of monthly wage-tax and social-insurance reports.

Preparation and ongoing support

01

Record the project and assignment

We record the client, site, period, activities, employees and company structure for notifications and tax assessment by specialist partners.

02

List notifications and supporting records

We list notifications, registrations, tax questions, supporting records and deadlines for the assignment.

03

Prepare registrations and applications

We prepare SOKA-BAU, BG BAU, customs/FKS, A1 documents, tax liability review, tax office and client evidence.

04

Monthly support

After the site starts, working hours, wages, reports, queries and deadlines are handled on an ongoing basis.

Documents for the construction assignment

  • Commercial register extract or proof of trade registration for the foreign company
  • Project contract, work contract or subcontractor agreement
  • Construction-site address, client data and assignment period
  • Employee lists, ID data and social-insurance evidence
  • Working-time records, payroll documents and payment evidence
  • Tax registrations, VAT ID and existing tax notices

Companies we support

This support is especially relevant for Polish construction companies, subcontractors, installation companies, finishing trades, technical service providers and employers who post employees to Germany temporarily or regularly.

Legal and tax advice in the strict sense is provided through licensed partners. Optima handles commercial preparation, ongoing coordination, documentation and authority communication.