FIDES

What FIDES does

FIDES Treuhand GmbH & Co. KG Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft is a German mid-market professional services firm headquartered in Bremen and founded in 1919. The firm operates from six German offices (Bremen, Hamburg, Hannover, Osnabrück, Bremerhaven, Berlin) and delivers five integrated service lines: Wirtschaftsprüfung (statutory and IFRS auditing), Steuerberatung (corporate, VAT, customs, and energy tax advisory), IT-Beratung (IT audit, KRITIS audits, BSI C5 attestation, cybersecurity, data protection, AI and NIS-2 compliance), Unternehmensberatung (M&A advisory, restructuring, valuation, corporate finance, CSRD/ESRS sustainability reporting), and Rechtsberatung (legal advisory through the wholly-owned Nölle & Stoevesandt Rechtsanwälte practice). Specialized IT consulting is housed in the subsidiary FIDES IT Consultants GmbH, and corporate finance sits in FIDES Corporate Finance GmbH.

The firm's technical moat rests on regulated credentials — particularly BSI registration as a KRITIS testing body and BSI C5 attestation capability — and on a deeply tenured partner roster with average tenure measured in decades. FIDES is a member of the Praxity international alliance, enabling cross-border referrals that extend reach beyond its six domestic offices. The customer base is concentrated in the German Mittelstand (family-owned and mid-market companies), supplemented by public-sector entities (Gebietskörperschaften, statutory health insurers, utilities), non-profits, capital-market-oriented companies, and operators of critical infrastructure. Revenue is generated entirely on an engagement-based, quote-driven basis across multi-year audit and advisory cycles, with no public pricing or SaaS product distribution. Recent strategic emphasis has shifted toward regulatory tailwinds — EU AI Act governance, CSRD/ESRS sustainability disclosure, DORA for financial services, NIS-2 implementation, and BSI C5 cloud attestation — positioning the firm to convert compliance mandates into recurring advisory revenue.

Name

FIDES

Legal name

FIDES Treuhand GmbH & Co. KG

Website

https://fides-online.de

Company type

Private

Founded year

1919

Operating status

Operating

Headcount range

251–500 employees

Short description

FIDES is a 100-year-old German mid-market professional services firm offering integrated auditing, tax, IT consulting, management consulting, and legal advisory across six German offices, serving Mittelstand companies, public-sector entities, and critical-infrastructure operators.

Ownership category

akta.pro rank

Product category

Professional Audit, Tax and Advisory Services

NAICS

Management, Scientific, and Technical Consulting Services (5416)

akta.pro primary industry

Audit & Assurance Services (BPAHABAA)

akta.pro secondary industries

Audit Management, Controls & SOX Compliance (BPAEAPAH), EHS Management Systems & ISO Consulting (ISO 14001/45001) (BPAHAJAF)

Keywords

• Statutory audit services
• Tax advisory services
• IT audit consulting
• Management consulting
• Regulatory compliance advisory

Headquarters

HQ city

Bremen

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Professional Services - Auditing: Annual audit services (Jahresabschlussprüfung) for companies including IFRS and Konzernabschluss, statutory health insurance companies, and quality control ('Peer Reviews').
2. Professional Services - Tax Advisory: Tax advisory services (Steuerberatung) including corporate tax, VAT, customs, energy taxes, and tax structuring for companies and public entities.
3. IT Consulting Services: IT consulting including IT-Audit, KRITIS audits, cybersecurity, data protection, DORA compliance, NIS-2 implementation, and AI compliance services.
4. Business Consulting: Corporate consulting including restructuring, M&A transaction support, valuation, corporate finance, strategy consulting, and sustainability reporting (CSRD/ESRS).
5. Legal Services: Legal advisory through affiliated practice Nölle & Stoevesandt Rechtsanwälte.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

FIDES (legal entity: FIDES Treuhand GmbH & Co. KG Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft) is a German auditing, tax, IT, management and legal advisory firm founded in 1919 and headquartered in Bremen. It sells five integrated service lines — Wirtschaftsprüfung (statutory and IFRS auditing), Steuerberatung (tax advisory), IT-Beratung (IT auditing, KRITIS audits, BSI C5 attestations, cybersecurity, DORA, NIS-2), Unternehmensberatung (M&A, valuation, restructuring, CSRD/ESRS sustainability reporting), and legal advisory through the affiliated Nölle & Stoevesandt Rechtsanwälte practice — delivered by partner-led teams across six German offices.

Product overview

FIDES is a German auditing and consulting firm (Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft) offering integrated professional services through a multi-service architecture. The core portfolio consists of five main service lines: Wirtschaftsprüfung (auditing), Steuerberatung (tax advisory), IT-Beratung (IT consulting), Unternehmensberatung (management consulting), and Rechtsberatung (legal advisory through Nölle & Stoevesandt). The IT consulting division includes specialized modules for C5 attestation, KRITIS compliance, data protection, and AI services. The management consulting practice encompasses M&A transaction support, business valuation, restructuring, sustainability reporting (CSRD/ESRS), and corporate finance. Additional specialized service modules address regulatory requirements including NIS-2, DORA, and Business Continuity Management. FIDES operates from six German locations (Bremen, Hamburg, Hannover, Osnabrück, Bremerhaven, Berlin) and is a member of the international Praxity alliance.

Differentiator

Problem solved

Functional benefit

Products and services

• Wirtschaftsprüfung (Auditing) Annual statutory audits and financial-statement examination (Jahresabschlussprüfung) for medium-sized enterprises, corporate groups, and statutory health insurance companies, including IFRS auditing, Konzernabschluss consolidated audits, and quality-control reviews ('Peer Reviews').
• Steuerberatung (Tax Advisory) Tax consulting services for businesses and public entities, covering corporate tax law (Körperschaftsteuer / Gewerbesteuer), VAT/sales tax (Umsatzsteuer), customs duties, energy taxes (Energiesteuer / Stromsteuer), tax structuring, and representation in tax audits.
• IT-Beratung (IT Consulting) IT consulting services including IT audit, IT security, KRITIS (Critical Infrastructure) audits as a BSI-registered testing body, BSI C5 attestation, data protection (GDPR), NIS-2 and DORA compliance implementation, IT forensics, and IT-supported process audits.
• Unternehmensberatung (Management Consulting) Strategic and corporate consulting covering M&A transaction support (due diligence, negotiation strategy, post-merger integration), restructuring, business valuation (IDW S1), corporate finance, succession planning, and sustainability reporting under CSRD/ESRS and EU Taxonomy.
• Nölle & Stoevesandt Rechtsanwälte (Legal Advisory) Legal advisory services delivered through the affiliated FIDES-owned law practice Nölle & Stoevesandt Rechtsanwälte, covering corporate law, labor law, liability matters, and interdisciplinary issues intersecting with the firm's audit, tax, IT and management consulting mandates.

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Praxity, AISBLcoreStrategic or Co-development PartnerFIDES is a member of Praxity, an international alliance of independent audit and advisory firms. The partnership enables FIDES to serve clients with cross-border advisory needs and provides access to global expertise networks. Praxity members collaborate on international engagements and share methodologies and best practices. FIDES logo appears alongside Praxity branding on their website footer.

Scale indicators1 record

Recent moves6 records

Expansion highlights6 records

Direct peers

• dhpg: Bonn-based German audit, tax, legal, and management consulting firm focused on Mittelstand and family businesses. Comparable to FIDES in interdisciplinary service model, partner-led delivery, and mid-tier positioning in the German market.
• Mazars Germany (Forvis Mazars): German operations of the Forvis Mazars international audit and advisory network serving mid-market companies. Directly comparable to FIDES in integrated audit/tax/consulting delivery and Mittelstand focus, with larger international footprint.
• Ebner Stolz: Stuttgart-based audit, tax, and consulting firm focused on the German Mittelstand and family-owned businesses. Most direct comparable to FIDES in service breadth, partner-led model, and Mittelstand specialization, with similar headcount scale and full-service (audit/tax/legal/management consulting) offering.
• Grant Thornton Germany: German arm of Grant Thornton International serving mid-market audit, tax, and advisory clients. Comparable to FIDES in target customer (German Mittelstand and mid-caps), service portfolio breadth, and international network access.
• CURACON: Münster-based German audit and consulting firm specialized in social economy, healthcare, and Mittelstand clients. Comparable to FIDES in full-service delivery, Mittelstand/healthcare/public-sector focus, and mid-tier scale; both serve regulated industries (statutory health insurance, NPOs).
• Warth & Klein Grant Thornton: Düsseldorf-headquartered German audit and advisory firm serving Mittelstand, family businesses, and public-sector clients. Comparable to FIDES in mid-tier positioning, partner-led engagement model, and full-service audit/tax/advisory delivery in northern and central Germany.
• PKF Fasselt: Duisburg-based German audit and consulting firm in the PKF International network, focused on mid-market industrial and family-owned clients. Comparable to FIDES in size, regional focus, Mittelstand specialization, and full-service (audit/tax/advisory) delivery.
• Baker Tilly Germany: German operations of Baker Tilly International, providing audit, tax, and consulting to mid-market companies. Directly comparable to FIDES in mid-market positioning, multi-service delivery, and network-enabled cross-border capability.
• Rödl & Partner: Nuremberg-headquartered international audit, tax, legal, and consulting firm with strong German Mittelstand focus and proprietary international office network. Comparable to FIDES in integrated multi-discipline delivery and Mittelstand orientation, though at larger scale.
• BDO Germany: German member of the BDO global audit network serving mid-market and Mittelstand clients with audit, tax, and advisory services. Comparable to FIDES in market segment, full-service orientation, and IT/risk advisory, with international delivery via BDO network.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInde.linkedin.com/in/andreas-hlawaty-244928114

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Subsidiaries3 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 FIDES