3D

Tax Advisory and Audit Services3d-stb.de

Company typePrivate
Founded2014
HeadquartersMannheim, Germany
Headcount1–10
GTM typeB2B
OfferingServices

3D firmographics

Firmographics

Name: 3D
Legal name: 3D GmbH Steuerberatungsgesellschaft
Website: https://3d-stb.de
Company type: Private
Founded year: 2014
Operating status: Operating
Headcount range: 1–10 employees
Ownership category
akta.pro rank

3D industry classification

Industry

Product category: Tax Advisory and Audit Services
NAICS: Accounting, Tax Preparation, Bookkeeping, and Payroll Services (5412)
SIC: Services-Engineering, Accounting, Research, Management (8700)
akta.pro primary industry: Audit & Assurance Services (BPAHABAA)
akta.pro secondary industries: Financial Reporting & Technical Accounting Advisory (GAAP/IFRS) (BPAHABAF), ESG Governance, Sustainability Reporting & Assurance Advisory (BPAHAFAJ)

Keywords

Tax advisory services
Statutory auditing services
Digital accounting implementation
Business succession planning
Nonprofit tax compliance

Where 3D is headquartered

Location

Headquarters

HQ city: Mannheim
HQ country: Germany
HQ region: Europe

Offices1 record

Markets served

3D business model

Business model

GTM type: B2B
Offering type: Services
Cost components: Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

Tax Advisory Services: Professional tax advisory services including tax return preparation, tax planning, and representation before tax authorities. Revenue is generated through fee-for-service engagements billed according to the German Steuerberatervergütungsverordnung (StBVV) or agreed-upon fees.
Audit Services: Statutory and voluntary audit services for small and medium-sized companies, associations, and charitable organizations. Includes sustainability reporting audits (CSRD/ESRS) conducted by certified auditors.
Business Advisory: Business consulting including startup advisory, business succession planning, change management, and restructuring services. May include services around sustainability processes and digital transformation.

Pricing tiers

Model	Billing	Price
Other	Pay-as-you-go	Tax advisory and compliance services billed per mandate

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

3D product offering

Product offering

Core offering

3D GmbH Steuerberatungsgesellschaft is a Mannheim-based tax advisory and audit firm delivering Steuerberatung (tax advisory), Wirtschaftsprüfung (statutory and voluntary auditing including CSRD/ESRS sustainability reporting), digital accounting implementation, business succession and restructuring consulting, and specialized services for startups, non-profits, and the hotel and gastronomy industry. The firm supports clients' digital transformation of accounting via DATEV and billbox tools.

Product overview

3D GmbH Steuerberatungsgesellschaft is a tax consulting and auditing firm offering a comprehensive portfolio of professional services organized around three core offerings: tax advisory (Steuerberatung), auditing (Wirtschaftsprüfung), and digital tax services (Digitale Steuerkanzlei). The firm's service offerings include annual financial statements, digital accounting, tax returns, business audit support, startup advisory, business succession planning, and restructuring/sustainability consulting. These services are delivered through specialized modules and supported by digital tools including billbox (a standalone accounting and analysis system) and DATEV Unternehmen online (DATEV's online platform for digital solutions). The company emphasizes digital transformation in tax consulting, helping clients transition to paperless, efficient digital processes.

Differentiator

Problem solved

Functional benefit

Products and services

Tax Advisory (Steuerberatung)

Companies that use 3D

Customer profile

Named customers3 records

Segments5 records

Ideal customer profiles4 records

3D technology and API

Technology

Technology focussed No

API detail

Has API: No
API docs
API detail

Core technology

AI maturity

App detail

Integration4 records

Feature1 record

3D partnerships and signals

Strategic signal

Partnerships

Five partnerships are on record, tiered minor.

FORUM PforzheimminorOthersForum Pforzheim — a regional business/education network in Pforzheim, Germany. Listed as a partner/membership organization.
Steuerberater Verband (DStV)minorOthersGerman Tax Advisors Association (Deutscher Steuerberaterverband e.V.) — the professional association for tax advisors in Germany. Listed as a partner/membership.
CfG (Centrale für GmbH)minorOthersCentrale für GmbH (CfG) — an organization supporting company law and management. Listed as a partner/membership organization.
BDS BW (Bund der Selbstständigen Baden-Württemberg)minorOthersAssociation of Self-Employed Professionals in Baden-Württemberg. Listed as a partner/membership organization.
Metropolregion Rhein-NeckarminorOthersMetropolitan region Rhein-Neckar — the regional economic development organization covering the Mannheim/Heidelberg/Ludwigshafen area. Listed as a partner/membership.

Scale indicators3 records

Recent moves1 record

Expansion highlights5 records

3D competitors and assessment

Company assessment

Others

DATEV eG: Germany's leading software cooperative for tax advisors and accountants; not a direct competitor but deeply intertwined with 3D's digital service delivery (DATEV Unternehmen online) and shapes the broader ecosystem.
Haufe Group: Provider of tax compliance software, content, and training for German tax advisors and SMEs; not a direct competitor but an enabler/adjacent ecosystem participant that competes in digital workflow tooling.

Direct peers

Warth & Klein Grant Thornton: German mid-tier audit and tax advisory firm focusing on Mittelstand and family-owned businesses; competes head-to-head with 3D for the same regional and sector niches.
ETL AG: Germany's largest tax advisory franchise network, serving Mittelstand and SMEs with tax, audit, and digital accounting services — directly comparable to 3D in client base and service mix, but at national scale.
Ebner Stolz: Leading German mid-market tax, audit, and consulting firm focused on Mittelstand and family businesses; comparable in service portfolio (Steuerberatung, Wirtschaftsprüfung, digital transformation) and target client segment.

Broad incumbents

Mazars GmbH & Co. KG: International tax, audit, and advisory firm with a strong German Mittelstand practice; comparable service portfolio (audit, tax, consulting, sustainability/CSRD) and client overlap.
KPMG AG Wirtschaftsprüfungsgesellschaft: Big-4 firm with a substantial German Mittelstand and family-business practice; competes for the same CSRD/sustainability audit mandates and larger Mittelstand clients.
Rödl & Partner: German-origin mid-market advisory firm with integrated tax, audit, legal, and consulting services targeting Mittelstand and family businesses — overlaps with 3D's core client base and Mittelstand positioning.
BDO AG Wirtschaftsprüfungsgesellschaft: Top-5 German audit and tax advisory firm; Barbara Hoffmann's prior employer. Competes for the same Mittelstand and family-business clients 3D serves, but with significantly larger bench and international footprint.

Regional players

Lohnsteuerhilfe Bayern e.V. Germany's largest income-tax-aid association, focused on private individual tax returns; competes with 3D's individual/private client segment but does not serve business clients.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

3D compliance and trust

Trust signal

Compliance6 records

3D financial estimates

Financial estimate

Revenue estimate

Valuation estimate

3D leadership team

Management profile

Number of profiles

Profiles8 records

3D funding detail

Funding detail

Funding overview

Funding rounds

Investors

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

3D M&A and investment

M&A and investment

M&A

Investments

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

Frequently asked questions about 3D

What does 3D do?

Is 3D a public or private company?

3D is a private company. It is classified as founder individual operated bootstrapped and is currently operating.

When was 3D founded?

3D was founded in 2014. It employs 1 to 10 people.

Where is 3D based?

3D is headquartered in Mannheim, Germany, in the Europe region.

How does 3D make money?

Three revenue lines are on record. Tax Advisory Services are the primary driver. The others are audit Services and business Advisory.

Who are 3D's main competitors?

Others on record are DATEV eG and Haufe Group. Direct peers are Warth & Klein Grant Thornton, ETL AG and Ebner Stolz. Broad incumbents are Mazars GmbH & Co. KG, KPMG AG Wirtschaftsprüfungsgesellschaft, Rödl & Partner and BDO AG Wirtschaftsprüfungsgesellschaft. Lohnsteuerhilfe Bayern e.V. is listed as a regional player.

Does 3D have an API?

No public API is recorded for 3D.

What industry is 3D in?

3D's product category is Tax Advisory and Audit Services. Its primary akta.pro industry code is BPAHABAA, Audit & Assurance Services, with a secondary code of BPAHABAF, Financial Reporting & Technical Accounting Advisory (GAAP/IFRS). Its NAICS code is 5412 and its SIC code is 8700.