DiBAC ERP
DiBAC ERP is the construction and architectural ERP from mb AEC Software, the German construction-software vendor headquartered in Kaiserslautern. The product is part of the broader mb AEC software family that covers structural engineering, building physics, BIM and construction-management workflows for the German construction industry. DiBAC ERP specifically addresses the commercial workflow of construction businesses — architects, structural engineers, construction management offices, planning bureaux and the broader AEC (Architecture, Engineering, Construction) Mid-Market — with project accounting, time tracking, fee management, invoicing per HOAI (the German fee structure for architectural and engineering services) and integration with the broader mb AEC engineering tools.
Architecture and deployment
DiBAC ERP is delivered as on-premises Windows application or hosted desktop, with the architecture matching the broader mb AEC software-family pattern: a desktop-oriented user experience suitable for office engineers and architects, against a relational-database backend, with browser-based and mobile interfaces for specific workflows like field time tracking and project-status checks. Cloud SaaS in the strict multi-tenant sense is not the primary deployment model. Integration with the broader mb AEC product family (ViCADo for architectural CAD, structural-engineering tools, BIM exchange formats) is the core integration value — DiBAC functions as the commercial-and-project-controlling layer on top of the mb AEC engineering stack rather than as a standalone product disconnected from engineering workflows.
Functional scope
Construction-and-AEC-specific functional depth is the competitive moat. DiBAC ERP covers project structures with construction-specific WBS, HOAI-compliant fee management for German architectural and engineering services (calculation per German Honorarordnung fee scales, partial-billing workflows, fee-amendment handling), time-and-expense capture with project allocation, sub-contractor management, project profitability tracking, integration with the mb AEC engineering tools for design-data-to-commercial-workflow linkage and project cost-controlling. Standard ERP functions of customer-and-supplier master data, invoicing and basic financial accounting are part of the scope. Financial accounting typically integrates with DATEV rather than being a full built-in module. Construction-specific workflows (Pre-LV, AVA, GAEB exchange, VOB invoicing) are supported through partner connectors or extensions.
DACH localisation and HOAI
DACH localisation is deep for the German AEC market specifically. HOAI compliance is built in — the German fee structure for architectural and engineering services has prescribed fee tables, calculation methods and contract-amendment patterns that general-purpose ERPs handle awkwardly. DiBAC ERP covers HOAI fee calculation, partial-invoice workflows per HOAI fee-tier, fee-amendment handling for scope changes, and the typical German construction-project commercial documentation. GoBD compliance for digital bookkeeping is built in. DATEV integration provides the standard bookkeeping interface to the tax-adviser DATEV system. ZUGFeRD and XRechnung outbound invoicing are supported. Austrian counterpart fee structures (LeistungsbilderHonorar) are supported. International rollouts beyond DACH are unusual for the customer segment.
Pricing model and TCO
DiBAC ERP is licensed within the broader mb AEC software-family commercial framework, with bundles depending on the breadth of mb AEC products the customer runs alongside DiBAC. Standalone DiBAC licensing exists but the typical commercial configuration combines DiBAC with the mb AEC engineering tools for an integrated AEC-software stack. Indicative TCO for a 15 to 30 user architectural-or-engineering office over five years lands in the low-to-mid five-figure range for DiBAC alone, scaling up materially when the broader mb AEC engineering-tool suite is included. Implementation is typically faster than for general-purpose ERPs because the standard product matches DACH AEC workflows out of the box.
Selection considerations
DiBAC ERP is the natural fit for DACH architectural offices, structural-engineering firms, construction-management bureaux and the broader AEC Mid-Market that need HOAI-compliant commercial workflow integrated with engineering-design tools. It is particularly compelling for customers already running mb AEC engineering tools (ViCADo, the structural-engineering modules) where the integrated mb AEC software stack provides operational benefits. It is less compelling for construction-execution businesses (general contractors, trades businesses) where construction-execution-focused ERPs (BRZ.BAU, RIB iTWO, NEVARIS) fit better, for non-AEC businesses (general-purpose ERPs fit better) or for very small architectural practices below 5 users where the integrated mb AEC stack may be commercially heavier than alternatives.
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Frequently Asked Questions
What is HOAI and why does DiBAC handle it natively?
HOAI (Honorarordnung für Architekten und Ingenieure) is the German fee regulation for architectural and engineering services, prescribing fee tables, calculation methods and partial-billing workflows that govern how German architects and engineers charge for their services. The fee structure has specific tier-based calculation patterns that general-purpose ERPs handle awkwardly without significant customisation. DiBAC ERP's native HOAI support means architectural and engineering offices can calculate fees, issue HOAI-compliant invoices and handle scope amendments correctly without bespoke workarounds.
Does DiBAC integrate with BIM workflows?
DiBAC operates as the commercial-and-project-controlling layer on top of the mb AEC engineering tools, which themselves support BIM workflows through IFC exchange formats and integration with the broader BIM-ecosystem standards. The commercial-engineering-data linkage allows project costs and fees to be tracked against BIM-anchored design data. Full BIM authoring and coordination is the job of the engineering tools rather than DiBAC ERP.
Is DiBAC ERP suitable for general contractors and construction-execution firms?
DiBAC ERP is positioned for architectural and engineering services (planning and design), not for construction-execution (general contracting, trades). General contractors and construction-execution firms typically use construction-execution ERPs like BRZ.BAU, RIB iTWO, NEVARIS or specialist construction-trades tools. The two segments have different operational workflows (AVA, LV management, Nachtragsmanagement for execution versus HOAI fee management for planning) that drive different product choices.