GDI - Gesellschaft für Datentechnik und Informationssysteme mbH

What GDI - Gesellschaft für Datentechnik und Informationssysteme mbH does

GDI - Gesellschaft für Datentechnik und Informationssysteme mbH (commercial name "GDI Software GmbH") develops and distributes ERP, financial accounting, payroll, and time-tracking software for German Mittelstand small and medium-sized enterprises. Founded in 1979 and headquartered in Landau in der Pfalz, the company serves customers across manufacturing, food and beverage, automotive/tire retail, construction, and public-sector-adjacent segments, with named references including Pneuhage, Bausch, and the city of Mannheim.

The core product is the GDI Vision Suite, organized into three pillars: Business Line (Warenwirtschaft / inventory and order processing), Rechnungswesen (financial accounting), and Radius (vertical ERP for automotive and tire dealers). Adjacent modules include GDI Lohn & Gehalt (payroll), GDI Baulohn (construction payroll), GDI Zeit (time tracking, with the 2025 cloud-based GDI Zeit Compact release), plus E-Bilanz, E-Rechnung (with "learning system" account suggestion), eCommerce, Dashboard, and shipping software. The platform runs on a Firebird 2.5.5 SQL relational database in a client/server architecture supporting both on-premise and cloud deployments; deep localization for Germany (GoBD, IDW PS 880, ITSG, GDPR, BITMi Software Made in Germany) is positioned to compliance-sensitive buyers.

GDI monetizes through a multi-module subscription (Abo) model introduced in January 2025 alongside legacy perpetual licensing, supported by a 255+ Fachhandelspartner channel across Germany providing localized sales, implementation, and support. As a wholly-owned subsidiary of the SelectLine Group, GDI is part of a broader Mittelstand SMB software consolidation, with disclosed technology integrations spanning Vectron Systems AG (POS) and Datafox (terminals). Headcount is reported at 101-250 employees, and certifications include the 2024 PUR HR Award and testsieger recognition for GDI Zeit.

Name

GDI - Gesellschaft für Datentechnik und Informationssysteme mbH

Legal name

GDI Software GmbH

Website

https://gdi.de

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

101–250 employees

Short description

GDI Software GmbH develops ERP, financial accounting, payroll, and time-tracking software for German Mittelstand SMEs, serving manufacturing, automotive, construction, and public-adjacent segments via its GDI Vision Suite and 255+ Fachhandelspartner channel.

Ownership category

akta.pro rank

Product category

ERP Software

NAICS

Software Publishers (513210)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Core ERP Suites (Financials, Procurement, Projects) (HDAEAEAA)

akta.pro secondary industry

ERP Extensions & Add-ons (CPQ, Billing, Revenue Management) (HDAEAEAO)

Keywords

• ERP software
• Inventory management
• Financial accounting
• Payroll software
• Time tracking

Headquarters

HQ city

Landau In Der Pfalz

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 Subscription (SaaS/Abo): Since January 1, 2025, GDI Vision is offered as a subscription (Abo) with three tiers per module (Basis, Profi, Unlimited). Pricing is per module and per number of users, with monthly or annual billing. Existing customers receive transition discounts up to 50% off standard new-customer prices.
2. Professional Services via Channel Partners: Regional Fachhandelspartner (authorized dealers) provide implementation, customization, training, and ongoing consulting services. Revenue flows through the partner channel with GDI providing software and support.

Pricing tiers

Go-to-market motion3 records

Distribution channels2 records

Marketing channels7 records

Core offering

GDI develops and sells GDI Vision, a modular subscription-based ERP software suite for German small and medium-sized businesses covering Warenwirtschaft (purchasing, sales, inventory, logistics), Rechnungswesen (financial, asset, and cost accounting plus e-invoicing), Personalwirtschaft (time tracking, payroll, and construction payroll), and a vertical ERP (Radius) for automotive workshops and tire dealers. The software is built on a Firebird SQL database, deployable on-premise or in the cloud, and distributed exclusively through a nationwide channel of 255+ regional Fachhandelspartner with tiered Basis/Profi/Unlimited subscription packages.

Product overview

GDI is an ERP software company offering the GDI Vision product line as a modular, subscription-based (Abo) system for small and medium-sized businesses (KMU). The portfolio consists of three core pillars: GDI Vision Business Line (inventory management for purchasing, sales, warehouse, and logistics), GDI Vision Rechnungswesen (financial accounting, cost accounting, fixed assets, E-Bilanz, E-Rechnung), and GDI Vision Radius (specialized for automotive workshops/tire retail). Supporting modules include GDI Zeit Profi/Compact for time tracking, GDI Lohn & Gehalt for payroll with Baulohn extension, plus add-ons for Dashboard, eCommerce, and Versandsoftware (multi-carrier shipping). The company has operated since 1979 and is part of the SelectLine Group.

Differentiator

Problem solved

Functional benefit

Brands

• GDI Vision: Modern ERP software product line offered as subscription, including Business Line, Rechnungswesen, and Radius modules.
• GDI Zeit
• GDI Lohn & Gehalt
• GDI Baulohn

Products and services

• GDI Vision Business Line Modular subscription ERP covering purchasing, sales, warehouse, and logistics (Warenwirtschaft) for German SMEs. Available in Basis, Profi, and Unlimited tiers with monthly billing per module and per user.
• GDI Vision Rechnungswesen Subscription financial management suite providing financial accounting, asset accounting, e-balance (E-Bilanz), and e-invoicing (ZUGFeRD/XRechnung) integrated into a single system. Available in Basis and Profi tiers with monthly billing.
• GDI Vision Radius Specialized subscription ERP for automotive workshops and tire dealers (Reifenhandel), mapping end-to-end operations from appointment scheduling through parts, service, and billing. Available in Basis, Profi, and Unlimited tiers with monthly billing.
• GDI Zeit Profi Professional time and attendance management offering web terminal, hardware terminal, and mobile app access with shift planning, leave management, and GKV-compliant statutory reporting. Voted Testsieger (best-in-test) in an independent user survey and recipient of the PUR HR Award 2024 for Time Management.
• GDI Zeit Compact Cloud-based time recording solution accessible via browser or mobile app, providing basic time tracking, absence management, and team attendance features for small businesses; operates as a SaaS offering.
• GDI Lohn & Gehalt In-house payroll and salary accounting subscription software with integrated reporting, ELStAM support, electronic wage replacement certificates (EEL) processing, DATEV export, and the GDI MeldeCenter for automated electronic submissions to social security and tax authorities.
• GDI Baulohn Construction-industry-specific payroll module covering seasonal short-time work (Kurzarbeitergeld), winter weather compensation, vacation pay calculation, SOKA-Bau and SOKA-DACH reporting, and cross-trade wage determination for the Bauhaupt- und Baunebengewerbe (construction, roofing, painting, scaffolding, landscaping).

Quantifiable outcome

• Customer support rated 1.6 (on school grade scale) based on independent user surveys.
• +3 more outcomes

Named customers9 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

Feature8 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Datafox GmbHcoreTechnology or IntegrationDatafox GmbH develops and produces innovative systems for electronic data capture, helping companies improve their cost efficiency. As a technology leader in embedded systems for time and data collection, Datafox provides the hardware foundation for GDI's time tracking integration.
• Vectron Systems AGcoreTechnology or IntegrationVectron Systems AG is listed on the Frankfurt Stock Exchange and is one of the largest European manufacturers of POS (point-of-sale) systems, holding market leadership in many industries. Their end-customer range spans from single-cash-register installations in small-town restaurants to 1,000-cash-register networks for European chains.
• b.b.h. (Bundesverband selbständiger Buchhalter und Bilanzbuchhalter e.V.)minorOthersWith over 12,000 members, b.b.h. is the largest professional association for self-employed bookkeepers and financial accountants in Germany. GDI collaborates with b.b.h. on technical developments, market trend exchange, and political framework discussions.
• Bitkom e.V.minorOthersBitkom is Germany's digital association, founded in Berlin in 1999 as a merger of individual industry associations. It represents more than 2,500 companies of the digital economy, including 1,000 SMEs, 400 startups, and nearly all global players. GDI participates in Bitkom for policy advocacy and industry dialogue.
• Bundesverband IT-Mittelstand e.V. (BITMi)coreOthersBITMi represents over 2,000 IT companies and is the largest professional association exclusively for mid-sized IT companies in Germany. GDI holds BITMi membership and has been awarded the BITMi 'Software Made in Germany' quality seal, certifying its products are developed entirely in Germany.
• Bundesverband Reifenhandel und Vulkaniseur-Handwerk e.V. (BRV)coreOthersBRV is the nationwide trade association for the German tire trade and vulcanization craft. With over 1,950 member companies and approximately 3,500 sales outlets, it represents around 80% of the industry in Germany. GDI is an active member and develops specialized ERP solutions (GDI Vision Radius) for this vertical.
• Deutscher Mittelstands-Bund e.V. (DMB)minorOthersDMB is an interest representation organization for small and medium-sized enterprises in Germany. Politically non-partisan and sector-neutral, DMB represents over 14,000 member companies in their economic-policy interests. GDI participates as a member for SME advocacy and market intelligence.
• SelectLine Group (SelectLine Holding GmbH)coreStrategic or Co-development PartnerGDI is a member company of the SelectLine Group, a strong alliance of software companies serving the German-speaking SME market. The Group combines expertise, knowledge, and technology across 13+ companies (GDI, SelectLine, DATALINE, dicom, MKS, orderbase, Clarity & Success, SoftClean, Terra, groupe.iD, uptodate, europa3000) to deliver intuitive ERP solutions for SMEs. GDI contributes its specialized solutions for automotive workshops and construction payroll to the Group's combined portfolio.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Emerging players

• Lexoffice (Haufe Group): Cloud-native accounting and invoicing platform from Haufe targeting German freelancers and small businesses. Represents the newer SaaS-native competitive threat to GDI's Rechnungswesen and E-Rechnung modules.
• Combit Software: German developer of business and CRM software (cRM, Relationship Manager) targeting SME workflows. Overlaps with GDI's CRM and reporting functionality within similar German SME customer segments.
• sevDesk: Cloud accounting and ERP-lite platform for German small businesses and self-employed. Competes with GDI's financial accounting and e-invoicing capabilities in the lower-end KMU segment with a modern UX and cloud-first architecture.

Broad incumbents

• Sage 50 / Sage Business Cloud: Established European accounting and ERP suite serving SMEs with cloud and on-premise options. Overlaps with GDI on financial accounting, payroll, and inventory for the smaller end of the Mittelstand.
• Microsoft Dynamics 365 Business Central: Cloud-native ERP from Microsoft targeting the same mid-market segment as GDI, with deeper analytics, AI (Copilot), and Office integration. Competes head-on for German KMU digitalization budgets and partner-driven implementations.
• SAP Business One: SAP's mid-market ERP suite targeting small and medium-sized businesses globally, including German Mittelstand. Overlaps with GDI Vision on financials, purchasing, and inventory but is part of SAP's broader enterprise portfolio with significantly larger scale and resources.
• DATEV: Cooperative-owned German software and services provider dominating tax advisor and SMB accounting workflows. GDI integrates with DATEV (LODAS, Lohn und Gehalt) but DATEV's ecosystem power shapes buying decisions in the same German Mittelstand.

Direct peers

• SelectLine Software: Sibling company within SelectLine Group offering modular ERP for German SMEs in similar KMU segments. Most directly comparable in product, customer profile, and GTM, including partner-channel distribution and German-only focus.
• Amicron Software: German vendor of Faktura-XS / Amicron Office ERP serving small businesses with inventory, POS, and accounting modules. Closely comparable in target market, German Mittelstand focus, and SME ERP scope.
• Lexware (Haufe Group): German SMB-focused accounting, payroll, and ERP software suite from Haufe. Directly comparable on target customer (German KMU), regulatory coverage, and Fachhandel distribution model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xxing.com/companies/gdisoftware-gesellschaftf%C3%BCrdatentechnikundinformationssystemembh
• Facebookfacebook.com/GDIonline
• LinkedInlinkedin.com/company/gdi-software
• Instagraminstagram.com/gdi_software

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 GDI - Gesellschaft für Datentechnik und Informationssysteme mbH