STOTaX GmbH & Co.KG

What STOTaX GmbH & Co.KG does

STOTaX GmbH & Co. KG is a privately-held German software company founded in 1994 and headquartered in Bonn, specializing in tax, accounting, and payroll software for the German market. The company serves more than 6,500 customers across tax advisory firms (Steuerberater), accountants (Buchhalter), SMEs, payroll bureaus, and corporate tax departments through a modular suite including Stotax Kanzlei (tax practice software), Stotax Kontor (bookkeeping), Stotax Betrieb (business accounting), Stotax Select (cloud client collaboration), Stotax Gehalt und Lohn (payroll), Stotax Konzern (corporate tax), plus add-on modules for travel expenses, mileage logs, and salary calculations. The platform is built around native ELSTER integration for electronic tax filing, DATEV-compatible data exchange, GoBD-certified document management, and GKV/ITSG-certified payroll, with recent additions of AI-powered OCR document recognition and learning-based bank transaction booking automation. The company employs 100+ people and reports 98.7% customer satisfaction.

The business model is hybrid: one-time perpetual licenses (e.g., Stotax Gehalt und Lohn 2026 at €356 per workstation) combined with recurring annual maintenance and monthly ASP/cloud subscriptions (e.g., Stotax Kontor at €54/month software plus €20/month cloud platform, totaling €74/month). The cloud offering includes Microsoft Office 365, automatic updates, antivirus, and 99% guaranteed availability from ISO 27001-certified German data centers. Distribution is direct-sales-led with regional postal-code-based account managers, supplemented by an online shop, a partner network of tax advisors, and a professional services arm (Stotax Seminare, Stotax Lernvideos) charging €100-3,300 per training session. Marketing combines SEO, content (Stotax Blog), email newsletters, Google Ads, YouTube, and a Stotax Academy seminar program. STOTaX operates exclusively in Germany, holds no external investment, and is led by Managing Directors Christian Stollfuß and Michael Stollfuß.

Name

STOTaX GmbH & Co.KG

Legal name

STOTaX GmbH & Co. KG

Website

https://www.stotax.de/

Company type

Private

Operating status

Operating

Short description

STOTaX GmbH & Co. KG is a Bonn-based German software company founded in 1994 that provides tax, accounting, payroll, and compliance software to over 6,500 tax advisors, accountants, SMEs, and corporate tax departments across Germany, delivered via perpetual licenses and ASP cloud subscriptions.

Ownership category

akta.pro rank

Product category

Tax and Accounting Software

NAICS

Software Publishers (5132), Software Publishers (513210), Software Publishers (51321)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Tax Planning & Personal Tax Optimization Tools (FSAGADAJ)

akta.pro secondary industries

Expense Management & Reimbursements Administration (BPACAIAH), Document Creation & Office Suites (BPAMAMAD)

Keywords

• Tax preparation software
• Accounting software
• Payroll software
• ELSTER integration
• Tax advisory software

Headquarters

HQ city

Bonn

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Software Licenses (Inhouse): One-time perpetual license sales for software modules (Stotax Kanzlei, Stotax Kontor, Stotax Betrieb, Stotax Gehalt und Lohn) with annual maintenance/support fees. Licenses are registered and require periodic verification.
2. Software Subscription (ASP/Cloud): Monthly subscription model for cloud-based ASP versions including automatic updates, daily backup, antivirus protection, and IT management. Includes Microsoft Office programs in some packages.
3. Cloud Platform Services: Additional monthly fees for cloud-based client collaboration platform (Stotax Select) providing document exchange and client portal capabilities.
4. Individual Software Modules: Separate sales of standalone tools like Stotax Reisekosten (travel expenses), Stotax Fahrtenbuch (mileage log), and Stotax Lohn (salary calculator) as perpetual licenses.
5. Training and Seminar Services: Online and in-person training seminars, webinars, and certification courses for software users and tax professionals, ranging from €100-3,300 per session.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

STOTaX develops and sells modular software solutions for tax advisors, accountants, and businesses in Germany, covering tax preparation, financial accounting, payroll processing, and practice management. Core offerings include Stotax Kanzlei (tax advisor suite), Stotax Kontor (bookkeeping software), Stotax Betrieb (business accounting), and Stotax Gehalt und Lohn (payroll), delivered as both on-premise Inhouse installations and ASP cloud subscriptions, with integrated ELSTER submission, AI-powered document recognition, and the Stotax Select cloud client collaboration platform.

Product overview

STOTaX GmbH & Co.KG offers a modular software suite for tax advisers, accountants, and businesses in Germany. The core products are Stotax Kanzlei (tax adviser software), Stotax Kontor (bookkeeping software), and Stotax Betrieb (business accounting software), each available as complete software solutions with integrated modules. Key add-on modules include Stotax Gehalt und Lohn (payroll), Stotax Steuern (tax filing), Stotax Kanzleiorganisation (practice management/DMS), Stotax Select (cloud client collaboration platform), Stotax Konzern (enterprise tax management), Stotax Reisekosten (travel expenses), Stotax Fahrtenbuch (mileage log), Stotax Lohnrechner (salary calculator), and Stotax Banking (automated bank transaction processing). Additional offerings include Microsoft 365 bundles, training seminars (Stotax Seminare), video-based learning (Stotax Lernvideos), and mobile apps (Stotax2Go, Scan2Select, mail2Select). The software is available as Inhouse/on-premise installation or ASP (cloud-hosted) delivery, with German data centers ensuring GDPR compliance.

Differentiator

Problem solved

Functional benefit

Brands

• Stotax Kanzlei: Tax advisor software for Steuerberater
• Stotax Kontor
• Stotax Betrieb
• Stotax Gehalt und Lohn
• Stotax Select
• Stotax Konzern
• Stotax Reisekosten
• Stotax Fahrtenbuch
• Stotax2Go
• Stotax Lohn
• Stotax Banking
• Stotax Academy

Products and services

• Stotax Kanzlei Professional tax adviser software suite providing complete solutions for accounting, payroll, tax filing, and client management for tax advisory practices in Germany.
• Stotax Kontor Bookkeeping software for accountants and accounting offices offering full-featured financial accounting, payroll, and tax management with GoBD compliance.
• Stotax Betrieb Business accounting software for companies, providing financial accounting, payroll, and tax management tools tailored for in-house business use.
• Stotax Select Cloud-based client software platform enabling digital collaboration between tax advisers and their clients, including online document exchange, digital cash books, invoice management, and bank accounting.
• Stotax Lohnsteuer Tax advice association software for processing salary tax guidance and related advisory services for members of salary tax assistance associations (Lohnsteuerhilfevereine).
• Stotax Gehalt und Lohn Payroll accounting software (Entgeltabrechnungsprogramm) certified by GKV/ITSG, providing comprehensive wage and salary processing including tax calculations, social security, and digital workflows with over 300 pre-built salary types.
• Stotax Konzern Enterprise-grade tax department software designed for corporate tax departments and large organizations, providing multi-entity tax management including GewSt and KSt splitting.
• Stotax Reisekosten 2026 Travel expense software for 2026, enabling tax-precise calculation of travel expenses with intuitive, professional travel cost reimbursement features for domestic and international travel.
• Stotax Fahrtenbuch 2026 Electronic mileage log software for 2026, enabling rapid and comfortable recording of business and private mileage for company vehicles, financially compliant and recognized by German tax authorities.
• Stotax Lohnrechner 2026 Salary and income tax calculator for 2026, using certified calculation routines from Stotax Gehalt und Lohn to determine exact wage tax, church tax, solidarity surcharge, and social security contributions.
• Stotax Kanzleiorganisation Practice management module providing digital tools for fee billing (StBVV, BRAGO, b.b.h. fee tables), order management, time tracking, deadline control, and document management system (DMS).
• Stotax Steuern Tax filing software module covering all tax types (ESt, GewSt, KSt, USt, ErbSchSt) with e-government services including ELSTER, pre-filled tax returns, and tax account queries.
• Stotax Banking Banking module enabling automatic retrieval and booking of bank transactions, integrated into the financial accounting workflow with learning-based transaction matching.
• Stotax2Go Mobile web app for capturing receipts via smartphone, tablet, or PC browser using camera scanning or PDF upload, with automatic intelligent document recognition that extracts and categorizes relevant data directly into the accounting software.
• Stotax Cloudportal / Mitarbeiter-App Cloud-based employee portal and mobile app enabling employees to record working hours and vacation requests, access payslip documents, and view sick days accessible from anywhere.
• Scan2Select Free mobile app for document capture via scanner, integrating with Stotax DMS for digital receipt recording.
• mail2select Free Outlook integration app enabling emails with attachments to be sent directly to Stotax Select for automated document management.
• Stotax Seminare Training and seminar program covering software modules, onboarding, specialized topics (Baulohn, Kurzarbeit), and practice management topics, available as online seminars, in-house training, webinars, and video recordings.

Quantifiable outcome

• 98.7% customer satisfaction rate
• +3 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability4 records

Feature6 records

Partnerships

Six partnerships are on record, tiered core and minor.

• MicrosoftcoreTechnology or IntegrationMicrosoft Gold Partner status, with Microsoft Office programs included in ASP cloud solutions. Microsoft 365 integration available as a product offering.
• DATAGROUP Köln GmbHcoreTechnology or IntegrationHosting service provider for data processing in Stotax Select cloud platform, operating German data centers for ASP services.
• CANCOM Managed Services GmbHcoreTechnology or IntegrationPrimary hosting service provider for website and web applications, managing IT infrastructure and cloud services from Cologne, Germany.
• united hoster GmbHcoreTechnology or IntegrationHosting provider for data processing in Stotax Select services, providing German-based server infrastructure.
• b.b.h. FachseminareminorStrategic or Co-development PartnerProfessional seminars for tax and business law, offered as training partner alongside STOTaX software training programs.
• Dr. BANNAS SteuerberaterausbildungminorStrategic or Co-development PartnerTax consultant training courses (Steuerlehrgänge) offered as educational partner for professional development.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Datev eG: Datev is the dominant German cooperative providing tax, accounting, payroll, and ERP software to tax advisors and SMEs, with deep penetration across German tax practices. Directly comparable to Stotax as the incumbent competitor in the same product categories serving the same German tax advisor and business segments.
• Sage (Germany): Sage offers German accounting, payroll, and ERP solutions including Sage 50, Sage 100, and Sage HR Suite targeting SMBs and mid-market companies. Comparable to Stotax Betrieb and Stotax Gehalt und Lohn in the German SMB accounting/payroll market.
• Wolters Kluwer Tax & Accounting (Addison): Wolters Kluwer's Addison One suite is a German tax and accounting platform serving tax advisors and corporate tax departments with similar functionality to Stotax Kanzlei and Stotax Konzern, including DATEV integration and digital workflows.
• Lexware (Haufe Group): Lexware is Haufe Group's flagship German accounting, payroll, and tax software suite serving SMBs, freelancers, and small tax practices. Overlaps significantly with Stotax Betrieb, Stotax Gehalt und Lohn, and tax preparation modules in the German SMB market.

Emerging players

• SevDesk: SevDesk is a cloud-native German accounting and invoicing platform targeting SMBs, freelancers, and small tax practices. Represents the cloud-first generation competing with Stotax's on-premise and ASP offerings in the German SMB bookkeeping market.
• LucaNet: LucaNet is a German software company providing financial consolidation, planning, and corporate performance management solutions to mid-market and enterprise finance teams. Adjacent but complementary to Stotax Konzern for corporate tax and financial reporting needs.

Direct peers

• Diamant Software: Diamant Software provides German accounting and financial management software focused on SMBs, with comparable modular approach to financial accounting, cost accounting, and reporting. Directly competes with Stotax Kontor and Stotax Betrieb in the German SMB accounting segment.
• Agenda Software: Agenda is a German tax and accounting software publisher offering similar modular solutions for tax advisors, accountants, and SMBs in Germany. Competes head-to-head with Stotax in the German tax practice software market with overlapping product functionality.
• Simba (Sisma): Simba is a German accounting and payroll software provider for SMBs and tax advisors, certified for DATEV and GKV compliance. Competes with Stotax Kontor and Stotax Gehalt und Lohn in the German SMB and tax practice market.
• Buhl (WISO / Mein Büro): Buhl Data Service is a German software publisher offering WISO tax software and Mein Büro accounting solutions for consumers, SMBs, and tax advisors. Overlaps with Stotax Steuern, Stotax Lohn, and Stotax Betrieb for the German professional and consumer tax/accounting segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/Stotax
• Facebookfacebook.com/stotax.software

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 STOTaX GmbH & Co.KG