FIDES
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.
- Company typePrivate
- Founded1919
- HeadquartersBremen, Germany
- Headcount251–500
- GTM typeB2B
- OfferingServices
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.
FIDES firmographics
Firmographics- 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
FIDES industry classification
Industry- 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
Where FIDES is headquartered
LocationHeadquarters
- HQ city
- Bremen
- HQ country
- Germany
- HQ region
- Europe
Offices6 records
Markets served
FIDES business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Professional Services - Auditing: Annual audit services (Jahresabschlussprüfung) for companies including IFRS and Konzernabschluss, statutory health insurance companies, and quality control ('Peer Reviews').
- Professional Services - Tax Advisory: Tax advisory services (Steuerberatung) including corporate tax, VAT, customs, energy taxes, and tax structuring for companies and public entities.
- IT Consulting Services: IT consulting including IT-Audit, KRITIS audits, cybersecurity, data protection, DORA compliance, NIS-2 implementation, and AI compliance services.
- Business Consulting: Corporate consulting including restructuring, M&A transaction support, valuation, corporate finance, strategy consulting, and sustainability reporting (CSRD/ESRS).
- Legal Services: Legal advisory through affiliated practice Nölle & Stoevesandt Rechtsanwälte.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Professional services engagement-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
FIDES product offering
Product offeringCore 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.
Companies that use FIDES
Customer profileSegments5 records
Ideal customer profiles5 records
FIDES technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
FIDES partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Praxity, AISBLcoreFIDES 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
FIDES competitors and assessment
Company assessmentDirect 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
FIDES social profiles
Digital presenceFIDES compliance and trust
Trust signalCompliance1 record
FIDES financial estimates
Financial estimateRevenue estimate
Valuation estimate
FIDES leadership team
Management profileNumber of profiles
Profiles12 records
FIDES subsidiaries and ownership
Company hierarchySubsidiaries3 records
FIDES funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
FIDES M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about FIDES
What does FIDES do?
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.
Is FIDES a public or private company?
FIDES is a private company. It is classified as management employee owned and is currently operating.
When was FIDES founded?
FIDES was founded in 1919. It employs 251 to 500 people.
Where is FIDES based?
FIDES is headquartered in Bremen, Germany, in the Europe region.
How does FIDES make money?
Five revenue lines are on record. Professional Services - Auditing is the primary driver. The others are professional Services - Tax Advisory, IT Consulting Services, business Consulting and legal Services.
Who are FIDES's main competitors?
Direct peers on record are dhpg, Mazars Germany (Forvis Mazars), Ebner Stolz, Grant Thornton Germany, CURACON, Warth & Klein Grant Thornton, PKF Fasselt, Baker Tilly Germany, Rödl & Partner and BDO Germany.
Does FIDES have an API?
No public API is recorded for FIDES.
What industry is FIDES in?
FIDES's product category is Professional Audit, Tax and Advisory Services. Its primary akta.pro industry code is BPAHABAA, Audit & Assurance Services, with a secondary code of BPAEAPAH, Audit Management, Controls & SOX Compliance. Its NAICS code is 5416.