Zahlenwerk Verwaltungs GmbH

What Zahlenwerk Verwaltungs GmbH does

Zahlenwerk Verwaltungs GmbH is a German professional services firm founded in 1993 and headquartered in Lohmar near Cologne, Bonn, and Siegburg. The company provides outsourced payroll accounting (Lohnbuchhaltung), financial accounting (Finanzbuchhaltung), and debtor management (Debitorenmanagement) to German small and medium-sized enterprises (SMEs). Operationally, the firm manages approximately 10,000 payroll and salary accounts per month, processes €1.8 million in health insurance contributions monthly, and oversees more than €100 million in annual client turnover, including €8.5 million in managed revenue per month across financial accounting engagements.

The firm is a legally certified specialist for payroll and financial accounting under § 6 Nr. 3 and Nr. 4 of the German Tax Advisory Act (StBerG) and has maintained ISO 9001:2015 quality certification since 2006. Zahlenwerk has co-developed a proprietary payroll and workforce management system called WeLo in partnership with METATEXX since 2013, which is tailored for retail and gastronomy chains with more than 500 employees and provides day-current performance measurement. The firm also maintains a long-standing technology integration with e.bootis ag's ERPII Suite, used for approximately 20 years.

The business operates on a B2B outsourced-services model with monthly billing, contact-based custom pricing, and a sales-led go-to-market approach centered on direct consultation, referral networks (tax advisors, auditors, lawyers), and the company website. Revenue is generated entirely through professional services fees across the three core service lines, supplemented by the proprietary WeLo software offering. The firm is privately held with no disclosed parent, subsidiaries, or external funding, and is led by Managing Director Mike Friedrich with approximately 40–50 employees.

Name

Zahlenwerk Verwaltungs GmbH

Legal name

Zahlenwerk Verwaltungs GmbH

Website

https://zahlenwerk.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

1–10 employees

Short description

Zahlenwerk Verwaltungs GmbH is a German outsourced payroll, financial accounting, and debtor management services firm founded in 1993, serving German SMEs from its Lohmar headquarters under StBerG §6 certification and ISO 9001:2015 quality standards with approximately 40–50 employees.

Ownership category

akta.pro rank

Product category

Payroll and Accounting Outsourcing

NAICS

Payroll Services (541214), Accounting, Tax Preparation, Bookkeeping, and Payroll Services (5412)

akta.pro primary industry

Payroll, Contractor Payments & SME HR Finance (FSAGAJAI)

akta.pro secondary industries

Payroll Outsourcing & Pay Administration (Multi-country/Managed Payroll) (BPACAKAD), Employer Payroll Processing (SMB & Enterprise) (FSAMAKAA)

Keywords

• Payroll accounting services
• Financial bookkeeping outsourcing
• Accounts receivable management
• SME accounting outsourcing
• Payroll and financial accounting

Headquarters

HQ city

Lohmar

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Payroll Accounting Services (Lohnbuchhaltung): Comprehensive payroll management including salary processing, social security declarations, personnel file administration, correspondence with health insurance providers, employment agencies, and professional associations. Covers disciplinary actions, terminations, certificates, and employer correspondence.
2. Financial Accounting Services (Finanzbuchhaltung): Complete financial accounting including voucher entry, bank and cash booking, account reconciliation, business evaluations, debtor and creditor management, invoice verification, and payment processing with cash discount optimization.
3. Debtor Management (Debitorenmanagement): Professional receivables management including efficient invoice processing and systematic dunning procedures to ensure sustainable liquidity for clients.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Zahlenwerk Verwaltungs GmbH is a German accounting and payroll outsourcing firm that delivers three integrated service lines to SMEs: Lohnbuchhaltung (payroll accounting covering salary processing, social security filings, and full personnel file administration), Finanzbuchhaltung (financial bookkeeping, bank reconciliation, accounts payable and reporting), and Debitorenmanagement (professional receivables management and dunning). The firm is certified under § 6 No. 3 and No. 4 of the German Tax Advisory Act (StBerG) and operates with approximately 40–50 staff from its headquarters in Lohmar near Cologne, managing roughly 10,000 payroll accounts, €1.8 million in monthly health insurance contributions, and over €100 million in annual client turnover.

Product overview

Zahlenwerk Verwaltungs GmbH is a certified specialist for payroll accounting and financial bookkeeping under § 6 No. 3 and No. 4 StBerG, offering outsourced accounting services to businesses. Founded in 1993 in Lohmar near Cologne, the company employs approximately 40–50 staff members and operates as a single integrated service offering rather than a modular software platform. Its core portfolio consists of three interconnected service lines: Lohnbuchhaltung (payroll accounting), Finanzbuchhaltung (financial accounting), and Debitorenmanagement (debtor management). Additionally, the company co-developed the WeLo-System proprietary software for workforce management in the retail and hospitality sectors. All services are delivered by experienced in-house teams from the company's modern office location, emphasizing personal partnerships and sustainable solutions.

Differentiator

Problem solved

Functional benefit

Brands

• WeLo: An internally developed software system for capturing daily performance data, designed for retail chains and businesses with more than 500 employees, particularly serving the retail and hospitality sectors.

Products and services

• Lohnbuchhaltung (Payroll Accounting) Comprehensive outsourced payroll accounting service for German SMEs, including salary/wage processing, social security filings, correspondence with health insurance providers, employment agencies, and professional associations, plus complete personnel file administration covering disciplinary actions, terminations, certificates, and employer correspondence.
• Finanzbuchhaltung (Financial Accounting) Comprehensive outsourced financial bookkeeping service encompassing voucher entry, bank and cash booking, account reconciliation, business evaluations, debtor and creditor management, invoice verification, and payment processing with cash discount optimization. Handles over €100 million in annual client turnover.
• Debitorenmanagement (Debtor Management) Professional accounts receivable management including efficient invoice processing and systematic dunning procedures to ensure sustainable client liquidity and fair customer partnerships, along with maintenance of customer data.
• WeLo-System Proprietary payroll and workforce management software co-developed with METATEXX, tailored for the retail and hospitality/gastronomy sectors. Captures all relevant performance data daily, enabling day-current success measurement for chain operators and companies with more than 500 employees.

Quantifiable outcome

• 10,000 payroll and salary accounts managed per month
• +3 more outcomes

Named customers4 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Five partnerships are on record, tiered core and minor.

• OFM Oebel Fröhlich Michels GmbHcoreStrategic or Co-development PartnerRegional and supra-regional auditing and tax advisory firm with six partners and over 25 employees. Long-term partnership with Zahlenwerk spanning decades. Praised for rapid professional service, competent solution orientation, and high reliability of data quality.
• JSW RechtsanwälteminorStrategic or Co-development PartnerNationwide and internationally active law firm based in Cologne providing comprehensive business and civil law consulting for over 40 years. Long-term collaboration with Zahlenwerk.
• e.bootis agcoreTechnology or IntegrationTechnology-independent manufacturer of innovative business software 'Made in Germany'. ERP solution e.bootis-ERPII Suite used by Zahlenwerk for 20 years. Family-run company with around 100 employees in Essen, Hamburg, and Stuttgart.
• METATEXXcoreTechnology or IntegrationSoftware development company founded in 2013 specializing in individual software solutions across numerous industries. Strategic partner for joint development of WeLo software - Zahlenwerk's proprietary payroll system.
• Thorsten Emrich Steuerberatungs GmbHminorStrategic or Co-development PartnerRegional tax advisory firm based in Cologne founded in 2016. Primarily advises small and medium enterprises on all tax matters. Long-term collaboration characterized by special trust relationship.

Scale indicators7 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• HRworks: German SaaS provider of payroll, HR administration, and workforce management for SMEs. Directly comparable to Zahlenwerk in serving German SMEs with outsourced payroll and HR services, with a more software-led delivery model.

Broad incumbents

• ADP: Global payroll and HR services provider with presence in Germany through ADP Employer Services. Comparable to Zahlenwerk in delivering outsourced payroll, but targeting larger enterprise and multi-country clients with significantly greater scale.
• Haufe Group: German provider of HR, payroll, tax, compliance, and learning solutions via its Lexoffice and Haufe Payroll brands. Comparable to Zahlenwerk across SME payroll and financial accounting services, operating at significantly larger scale and breadth.
• Paychex: Large US-based payroll, HR, and benefits outsourcing provider for SMBs. Comparable to Zahlenwerk in serving SME payroll outsourcing needs at scale, though operating primarily in the US market with a different geographic focus.
• Sage: Global provider of accounting, payroll, and HR software, including its German Sage HR/Payroll and Sage 50 offerings. Comparable to Zahlenwerk in serving SME payroll and financial accounting needs, particularly in Germany, with a broader international product portfolio.
• DATEV: Germany's largest cooperative for tax advisors, auditors, and payroll/accounting professionals, offering comprehensive payroll, financial accounting, and ERP software. Broadly comparable to Zahlenwerk as the dominant German player in SME payroll and accounting services, though at vastly greater scale across all of Germany.

Emerging players

• Personio: Munich-headquartered HR and payroll platform for SMBs in Europe. Comparable to Zahlenwerk in targeting the German SME payroll/HR outsourcing segment, but with a modern all-in-one SaaS approach rather than a hybrid service model.
• Kenjo: Berlin-based HR and payroll software platform for European SMBs. Comparable to Zahlenwerk in addressing SME payroll and HR outsourcing needs in Germany, with a modern cloud-native SaaS approach.
• Lexoffice: German cloud accounting SaaS for SMEs and freelancers, part of the Haufe Group. Adjacent to Zahlenwerk's financial accounting services, addressing the same SME segment through a self-service software model rather than full-service outsourcing.
• sevDesk: German cloud-based accounting and invoicing software for SMBs, freelancers, and small businesses. Comparable to Zahlenwerk in the SME financial accounting space, though delivered as a self-service SaaS platform rather than as a managed outsourcing service.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/zahlenwerk

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Zahlenwerk Verwaltungs GmbH