Mittelrheinische Treuhand GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft

What Mittelrheinische Treuhand GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft does

Mittelrheinische Treuhand GmbH is a German audit, tax, and advisory firm headquartered in Koblenz, Rheinland-Pfalz, founded in 1914. The firm operates four office locations across Germany with approximately 80 staff, and has been a partner of ETL AG Wirtschaftsprüfungsgesellschaft (ETL Prüfung & Beratung) since 2015, positioning it among the TOP 15 audit and tax advisory firms in Germany. Through ETL GLOBAL, the firm has access to over 2,700 experts including 1,500 auditors, tax advisors, and lawyers across 50+ countries. The company serves three primary verticals: family businesses and mid-market companies (Familienunternehmen und Mittelstand), the public sector (municipalities, public enterprises, universities, subsidy-funded organizations), and the energy sector (energy utilities, grid operators, renewable energy producers).

Name

Mittelrheinische Treuhand GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft

Legal name

Mittelrheinische Treuhand Gesellschaft mit beschränkter Haftung

Website

https://m-treuhand.de

Company type

Private

Founded year

1914

Operating status

Operating

Headcount range

11–50 employees

Short description

Mittelrheinische Treuhand is a German audit, tax, and advisory firm with 80 staff across four locations, serving mid-market family businesses, the public sector, and the energy sector as a partner of ETL AG.

Ownership category

akta.pro rank

Product category

Audit & Tax Advisory Services

NAICS

Offices of Certified Public Accountants (541211), Management Consulting Services (54161), Management, Scientific, and Technical Consulting Services (5416)

SIC

Services-Engineering, Accounting, Research, Management (8700), Services-Management Consulting Services (8742)

akta.pro primary industry

Financial Reporting & Technical Accounting Advisory (GAAP/IFRS) (BPAHABAF)

akta.pro secondary industries

Compliance Technology, GRC Platforms & Controls Automation Advisory (BPAHAFAO), Testing, Inspection, Certification & Commissioning (TICx) Technical Services (BPAHAIAL)

Keywords

• Audit assurance services
• Tax advisory services
• Public sector auditing
• Energy sector consulting
• IT compliance auditing

Headquarters

HQ city

Koblenz

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Wirtschaftsprüfung (Audit & Assurance): Statutory and voluntary annual audit services, including HGB-compliant financial statement audits, consolidated group audits, special audits per energy sector regulations (EEG, KWKG, StromNEV, KAV), and IT system audits. Revenue is generated on a project/fee basis tied to scope and complexity.
2. Steuerberatung (Tax Advisory): Tax compliance and advisory services including corporate tax, income tax, VAT, energy taxes, and tax compliance management systems. Revenue is fee-based per engagement.
3. Organisationsberatung (Organizational & Business Advisory): Business consulting, organizational restructuring, fee calculation (Gebührenkalkulation), and transaction/cooperation advisory, particularly for public sector and energy sector clients.
4. IT Assurance & Digital Services: IT security audits for critical infrastructure, IT compliance (GoBD 2.0), data analytics, e-invoicing, and digital transformation advisory services, delivered by interdisciplinary teams.
5. Nachhaltigkeitsberichterstattung (Sustainability Reporting): Advisory services on CSRD compliance, sustainability reporting, and ESG matters for affected companies, particularly in preparation for mandatory reporting requirements from 2024/2025.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Mittelrheinische Treuhand GmbH is a professional services firm delivering statutory and voluntary audit, tax advisory, organizational consulting, and fee calculation services primarily to German mid-market companies, public sector entities, and energy sector clients. The firm operates across four German office locations with approximately 80 staff, supplemented by specialized IT assurance, IT security audits for critical infrastructure, sustainability reporting, electronic invoicing, and digital audit simulation capabilities. As a partner of ETL AG since 2015, it combines regional proximity with the resources of a TOP 15 German audit and tax advisory network connected to ETL GLOBAL's 2,700+ experts across 50+ countries.

Product overview

Mittelrheinische Treuhand is a full-service auditing and tax advisory firm operating as part of the ETL Group, offering a comprehensive portfolio of professional services. The core offering consists of Wirtschaftsprüfung (audit & assurance), Steuerberatung (tax advisory), and wirtschaftliche Beratung (business advisory) services, supplemented by specialized IT services including IT-Assurance, IT-Sicherheitsaudit for critical infrastructure, and Data & Analytics offerings. The company provides industry-specific services for three main sectors: Familienunternehmen & Mittelstand (family businesses & Mittelstand), Öffentlicher Sektor (public sector), and Energiewirtschaft (energy sector). Digital service offerings include SMABI (Smart Business Intelligence), Simulation einer digitalen Betriebsprüfung (digital audit simulation using TaxAuditProfessional), E-Invoicing, and Sustainability Services for CSRD compliance. Additional offerings include Abschlusserstellung (financial statement preparation) with digital workflows, Gebührenkalkulation for public sector fee calculations, and the Next Generation of Leaders leadership development program.

Differentiator

Problem solved

Functional benefit

Products and services

• Wirtschaftsprüfung (Audit & Assurance) Annual financial statement audits, consolidated group audits, special audits (including energy-sector audits under EEG, KWKG, StromNEV, KAV), and audit-related advisory services for Mittelstand companies, public sector entities, and energy sector clients.
• IT-Assurance – prüfungsnahe IT-Beratung IT system audits, IT compliance consulting, IT infrastructure assessment, GoBD compliance, and project-accompanying audit services, including IT strategy and outsourcing advisory.
• IT-Sicherheitsaudit kritischer Infrastrukturen Security audits for operators of critical infrastructure (KRITIS) under §8a BSIG, including audit reports for BSI certification and support from interdisciplinary teams of IT specialists.
• Steuern & Recht (Tax & Compliance) Tax advisory services including corporate tax, income tax, VAT, energy taxes, and tax compliance management systems for private companies and public sector entities.
• Wirtschaftliche Beratung (Advisory) Business advisory services including organizational consulting, business valuations, transaction support, and process optimization for Mittelstand and public sector clients.
• Abschlusserstellung, digitale Buchführung und Lohnabrechnung Financial statement preparation, digital accounting, and payroll processing with automated workflows, interfaces to cash register systems and banks, and digital document submission.
• Sustainability Services / Nachhaltigkeitsberichterstattung Sustainability reporting services including CSRD compliance, carbon footprint assessment, and support for non-financial reporting requirements.
• Gebührenkalkulation (Public Sector Fee Calculation) Fee calculation services for public sector entities including water supply, wastewater, cemeteries, waste management, and street cleaning fee calculations.
• Simulation einer digitalen Betriebsprüfung (Digital Audit Simulation) Digital tax audit simulation using AIS TaxAudit Professional (the same software used by German tax authorities) to identify potential irregularities before official audits.
• SMABI – Smart Business Intelligence Smart Business Intelligence solution for data analytics and reporting, part of the ETL Group's digital service portfolio.
• E-Invoicing Electronic invoicing solutions as part of digital transformation services for compliance with E-Rechnungsverordnung (ERechVO).

Quantifiable outcome

• The firm serves clients across 4 locations with a team of 80 employees within the ETL network of 2,700+ experts.

Named customers8 records

Segments3 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature3 records

Partnerships

Four partnerships are on record, tiered core and minor.

• ETL AG Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft (ETL Prüfung & Beratung)coreStrategic or Co-development Partner · 1 January 2015Since 2015, Mittelrheinische Treuhand has been a partner firm of ETL AG Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft. This partnership positions the firm among the TOP 15 audit and tax advisory firms in Germany and provides access to ETL's nationwide network of offices, shared methodologies, training resources, and brand credibility. The relationship enables interdisciplinary collaboration and referrals across the ETL-Gruppe.
• ETL GLOBALcoreStrategic or Co-development PartnerThrough the ETL GLOBAL network, Mittelrheinische Treuhand is connected with over 2,700 experts (including 1,500 auditors, tax advisors, and lawyers) operating in over 50 countries worldwide. This enables the firm to serve clients with cross-border mandates and access international expertise when needed.
• Women's Networking Lounge (WNL)minorOthersMittelrheinische Treuhand, through its parent ETL-Gruppe, participates in the Women's Networking Lounge (WNL), a business network founded by Christine Wernze (ETL). WNL connects women in leadership positions across the ETL network. While not a commercial partnership, it is a recognized networking initiative within the professional community.
• Institut der deutschen Wirtschaft (IW) KölnminorStrategic or Co-development PartnerETL, in collaboration with the IW Köln, conducts the annual ETL-Mittelstandskompass study — a resilience and trends survey of German mid-market companies. Mittelrheinische Treuhand participates in this initiative through the ETL network. The IW Köln provides research methodology and analysis expertise.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Warth & Klein Grant Thornton: Top-20 German audit and advisory firm with regional positions and direct overlap with Mittelrheinische Treuhand on SME, public sector, and energy sector clients. Highly comparable in service scope and client base.
• Grant Thornton Germany: Member of an international audit and advisory network, Germany operations focus on mid-market and Mittelstand clients. Comparable in service portfolio (audit, tax, advisory) and target client segments.
• Ebner Stolz: Top-10 German audit and tax advisory firm with multi-disciplinary teams serving mid-market, family businesses, and public sector. Directly comparable in service portfolio, vertical specializations, and Mittelstand focus, competing on similar engagements across Germany.
• Rödl & Partner: Germany-headquartered international audit, tax, and advisory firm with strong mid-market and family business focus. Comparable in interdisciplinary service model (audit + tax + legal + IT) and in cross-border capabilities via its own global network.
• Mazars Germany: International audit and advisory firm with German operations focused on mid-market and energy sector clients. Directly competes on audit, tax, and advisory engagements and operates with similar vertical specialization.
• BDO Germany: Member of the global BDO network, BDO Germany is a mid-market-focused audit and advisory firm with similar Mittelstand and public sector client base. Competes directly on SME audit, tax, and advisory engagements.
• RSM Germany: Mid-market audit and advisory firm operating in Germany with a comparable Mittelstand and family business focus. Competes directly on audit and tax engagements at similar client size classes.
• Baker Tilly Germany: Mid-market audit and advisory firm operating in Germany with comparable Mittelstand, family business, and public sector client profiles. Direct competitor on size-class-relevant audit and tax advisory mandates.

Broad incumbents

• KPMG Germany: Big 4 audit firm with significant Germany operations and broad coverage of mid-market, public sector, and energy clients. Offers overlapping capabilities but at a much larger scale and with a wider portfolio than Mittelrheinische Treuhand's specialized regional focus.
• Deloitte Germany: Big 4 firm with extensive German footprint serving large enterprises, mid-market, and public sector on audit, tax, and advisory. Represents the incumbent scale player competing for the upper end of Mittelrheinische Treuhand's addressable market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/ETL.PruefungBeratung
• LinkedInlinkedin.com/company/mittelrheinische-treuhand-gmbh
• Instagraminstagram.com/etl_pb

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

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 Mittelrheinische Treuhand GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft