WTG Wirtschaftstreuhand Dr. Grüber PartG mbB

What WTG Wirtschaftstreuhand Dr. Grüber PartG mbB does

WTG Wirtschaftstreuhand Dr. Grüber PartG mbB is a German professional services firm headquartered in Wuppertal, North Rhine-Westphalia, operating continuously since 1930. The firm delivers an integrated 360-degree offering across four service lines: Wirtschaftsprüfung (audit, including HGB and IFRS financial statement audits, review engagements, due diligence, and special audits), Steuer- und Rechtsberatung (national and international tax advisory, corporate law, M&A, succession planning, and tax litigation), ESG-Reporting (CSRD compliance, materiality assessments, EU Taxonomy alignment, and assurance of non-financial statements), and Betriebswirtschaftliche Beratung (business advisory including valuations, financial planning, liquidity management, and crisis management). Eleven managing partners hold dual or triple qualifications as Wirtschaftsprüfer (auditor), Steuerberater (tax advisor), and/or Rechtsanwalt (lawyer), and the broader team of approximately 70 employees is academically credentialed, enabling interdisciplinary engagement on complex mandates. The technical stack relies on modern IT-supported auditing techniques, cloud-based data exchange for hybrid audits, and DATEV accounting software; the firm operates no public-facing software platform or API.

The business model is fee-based professional services delivered through partner-led teams, with two partners assigned to every mandate to ensure continuity and decision-making accessibility. Pricing is quote-based and engagement-by-engagement, with multi-year advisory contracts typical for ongoing tax and audit mandates. GTM is sales-led and direct, targeting the German Mittelstand — family-owned and internationally oriented medium-sized companies, particularly GmbH and GmbH & Co. KG structures, as well as German subsidiaries of foreign corporations, foundations, and public-sector clients. Customer acquisition is driven by professional reputation, client referrals, industry events, and content marketing through Mandanteninformation bulletins and Fachartikel. International reach is delivered via membership in Morison Global (160+ firms across 86+ countries), avoiding the need for internal international build-out. The firm has been consecutively recognized by Manager Magazin with 5 Kronen (highest distinction) in the Mittelstand category for audit years 2022/2023 and 2024/2025, and operates a wholly-owned legal advisory subsidiary, WTG Dr. Grüber GmbH Rechtsanwaltsgesellschaft, registered at Amtsgericht Wuppertal HRB 22337. The firm has no external institutional investor and no parent company.

Name

WTG Wirtschaftstreuhand Dr. Grüber PartG mbB

Legal name

WTG Wirtschaftstreuhand Dr. Grüber PartG mbB

Website

https://wtgwp.de

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

11–50 employees

Short description

WTG Wirtschaftstreuhand Dr. Grüber PartG mbB is a Wuppertal-based German professional services firm founded in 1930, providing audit, tax and legal advisory, ESG reporting, and business consulting to the German Mittelstand through eleven partners and approximately 70 staff.

Ownership category

akta.pro rank

Product category

Audit and Advisory Services

NAICS

Management, Scientific, and Technical Consulting Services (5416), Other Legal Services (54119)

SIC

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

akta.pro primary industry

ESG Governance, Sustainability Reporting & Assurance Advisory (BPAHAFAJ)

akta.pro secondary industry

Sustainability, ESG & Climate Risk Advisory (BPAHAJAH)

Keywords

• Audit services
• Tax advisory
• Legal advisory
• ESG reporting
• Business consulting

Headquarters

HQ city

Wuppertal

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Professional Services Fees: Fee-based professional services for audit, tax advisory, legal advisory, and business consulting. Revenue generated through project-based engagements and ongoing advisory mandates. Services delivered by interdisciplinary teams of Wirtschaftsprüfer (auditors), Steuerberater (tax advisors), and Rechtsanwälte (lawyers).

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

WTG Wirtschaftstreuhand is a German audit, tax, and legal advisory partnership offering integrated Wirtschaftsprüfung (statutory and consolidated financial statement audits under HGB and IFRS, special audits, due diligence), Steuer- und Rechtsberatung (national and international tax advisory, corporate law, M&A, and succession planning), ESG-Reporting (CSRD compliance, EU Taxonomy, sustainability assurance), and Betriebswirtschaftliche Beratung (company valuations, M&A advisory, crisis management, and business consulting). Services are delivered by interdisciplinary teams of Wirtschaftsprüfer, Steuerberater, and Rechtsanwälte, primarily to medium-sized German companies.

Product overview

WTG is a professional services firm offering an integrated portfolio of four core service lines: (1) Wirtschaftsprüfung (audit services) for HGB/IFRS financial statement audits, (2) Steuer- und Rechtsberatung (tax and legal advisory) for national and international tax matters and corporate law, (3) ESG-Reporting for sustainability and CSRD compliance, and (4) Betriebswirtschaftliche Beratung (business advisory) including company valuations, M&A support, and crisis management. The firm emphasizes interdisciplinary collaboration among its eleven partners who hold dual or triple qualifications as Wirtschaftsprüfer (auditors), Steuerberater (tax advisors), and Rechtsanwalt (lawyers). As a member of Morison Global, the firm also provides international advisory services through a network of over 160 firms in more than 86 countries.

Differentiator

Problem solved

Functional benefit

Products and services

• Wirtschaftsprüfung (Audit Services) Annual and consolidated financial statement audits under HGB and IFRS standards, review engagements, special audits, due diligence, and founding audits for medium-sized German companies.
• Steuer- und Rechtsberatung (Tax and Legal Advisory) Comprehensive tax advisory covering national and international tax law, and legal consulting including corporate law, M&A transactions, succession planning, and representation before tax courts.
• ESG-Reporting Sustainability reporting advisory including materiality assessments, readiness checks, CSRD compliance support, EU Taxonomy alignment, and assurance of non-financial reports.
• Betriebswirtschaftliche Beratung (Business Advisory) Business consulting including financial planning, liquidity management, investment analysis, company valuations, M&A advisory, due diligence, crisis management, and support for charitable organizations.

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

Partnerships

One partnership is on record.

• Morison GlobalcoreStrategic or Co-development PartnerWTG is an independent member of Morison Global, a cross-border community of auditors and tax advisors headquartered in London, UK. Through this partnership, WTG offers its clients access to professional consulting services in over 86 countries worldwide through 160+ member firms. The network enables WTG to provide international solutions for complex cross-border challenges while maintaining the personal service of a mid-sized firm.

Scale indicators3 records

Recent moves17 records

Expansion highlights5 records

Direct peers

• Ebner Stolz: German mid-market audit and advisory firm headquartered in Stuttgart. Directly comparable as an independent, partner-led firm serving the German Mittelstand with audit, tax, and legal services, similar scale and positioning to WTG.
• RSM Germany: German member of RSM International, an audit and advisory network. Directly comparable in mid-market positioning, international reach, and Mittelstand-focused service portfolio.
• Flick Gocke Schaumburg: Bonn-based German tax advisory and audit firm with strong Mittelstand and family-office focus. Highly comparable in interdisciplinary tax/legal/audit positioning and clientele profile.
• BDO AG Wirtschaftsprüfungsgesellschaft: Germany member of the BDO global audit network. Competes directly for Mittelstand audit and advisory mandates; WTG's Morison Global membership places them in adjacent network territory to BDO.
• Warth & Klein Grant Thornton: Düsseldorf-based mid-market audit and advisory firm, Grant Thornton Germany member. Comparable in geographic base (Nordrhein-Westfalen), scale, and Mittelstand service mix.
• Forvis Mazars Germany: German operations of the Forvis Mazars international audit network. Direct competitor in audit, tax, and advisory for the German Mittelstand; comparable international network leverage.
• Rödl & Partner: German-headquartered international audit, tax, and legal advisory firm. Comparable interdisciplinary model with auditors, tax advisors, and lawyers under one roof serving mid-market and family-owned clients.
• Baker Tilly Germany: German member of Baker Tilly network. Competes head-to-head for mid-sized company audits and tax advisory, with similar interdisciplinary service offerings and Mittelstand focus.

Broad incumbents

• Deloitte Germany: Big 4 firm with broad German presence including Mittelstand, ESG assurance, and M&A advisory. Represents the upper-bound competitive threat on ESG assurance mandates specifically.
• KPMG Germany: Big 4 audit firm with substantial German Mittelstand practice. Competes for larger Mittelstand mandates and offers international reach that WTG must match through Morison Global.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/wtgwp
• Instagraminstagram.com/wtg.wirtschaftspruefung

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries1 record

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 WTG Wirtschaftstreuhand Dr. Grüber PartG mbB