Iwb Entwicklungsgesellschaft mbH

What Iwb Entwicklungsgesellschaft mbH does

Iwb Entwicklungsgesellschaft mbH, operating as iwb Immobilienwirtschaftliche Beratung GmbH, is a German consulting and software firm founded in 1992 and headquartered in Braunschweig. The company is focused exclusively on the German housing industry (Wohnungswirtschaft) and serves more than 500 organizations that collectively manage over 3 million apartments. Its customer base spans housing companies, housing cooperatives, municipal landlords, church-owned housing providers, and social institutions — a structurally fragmented segment of the German real-estate market.

The firm's core product is IGISsix, a portfolio management software platform that supports housing organizations across asset management, accounting, and operational workflows specific to the German regulatory environment. The firm released IGISsix Version 2.0 in 2025, indicating sustained product investment. A second product line, iwomo, addresses apartment modernization planning. The technology is purpose-built for the German housing sector rather than adapted from a horizontal ERP base, with depth in regulatory reporting and tenant-related workflows that are difficult to replicate without local domain expertise.

Iwb generates revenue through a hybrid model combining professional consulting services with subscription-based software licensing. Its go-to-market approach is sales-led and event-driven, anchored by formal partnerships with six German housing-industry associations — vdw, VNW, VSWG, SFA, MFA, and EBZ — which provide trusted access to housing-sector buyers across regional federations. The firm is led by managing director Oliver Helms and operates with a headcount of 11–50 employees, indicating a focused niche-market position rather than horizontal scale, with employer-brand recognition including kununu Top Company 2025/2026, Digitalpioniere, and Zukunftsgeber.

Name

Iwb Entwicklungsgesellschaft mbH

Legal name

iwb Immobilienwirtschaftliche Beratung GmbH

Website

https://iwb-e.de

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

11–50 employees

Short description

Iwb is a German consulting and software firm serving the housing industry, with 500+ customers managing 3M+ apartments. It offers the IGISsix portfolio management platform and iwomo modernization tools via a hybrid consulting-plus-SaaS model anchored by regional industry-association partnerships.

Ownership category

akta.pro rank

Product category

Real Estate Consulting

NAICS

Management Consulting Services (54161), Computer Systems Design and Related Services (54151), Other Management Consulting Services (541618)

SIC

Services-Management Consulting Services (8742), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Workplace/Occupancy Data, Utilization & IWMS Administration (BPABAFAF)

akta.pro secondary industry

EHS Management Systems & ISO Consulting (ISO 14001/45001) (BPAHAJAF)

Keywords

• Real estate consulting
• Portfolio management software
• Energy consulting services
• Residential housing sector
• Organizational development

Headquarters

HQ city

Braunschweig

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Consulting Services: Advisory services covering portfolio management, organizational development, energy consulting, and IT solutions for residential real estate companies. Services are tailored to individual customer needs across Germany.
2. Software Licensing (IGISsix & iwomo): License-based software solutions for portfolio management, task management, and apartment modernization. Includes customer login for data access, support, and regular updates.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels10 records

Core offering

iwb Immobilienwirtschaftliche Beratung GmbH provides holistic consulting and proprietary software solutions for the German residential housing sector. Its service portfolio covers portfolio management, investment planning, energy and climate consulting (Klimapfad 2030/2045, CO2 balancing), organizational development, and ESG reporting for housing companies, cooperatives, municipalities, and social institutions. The firm's two proprietary software products, IGISsix (portfolio management system) and iwomo (online apartment modernization platform), are sold alongside consulting engagements to over 500 customers managing more than 3 million apartments across Germany.

Product overview

iwb (iwb Immobilienwirtschaftliche Beratung GmbH) offers a unified platform combining consulting services with proprietary software solutions for the residential property management industry. The core product portfolio consists of IGISsix (the leading portfolio management system with modules for portfolio management, task management, and various analytical functions) and iwomo (intelligent online apartment modernization tool). The company provides holistic consulting solutions spanning three pillars: building technology, business administration, and IT. Services include portfolio management, organizational consulting, energy/climate advisory, and specialized software products developed since 1992.

Differentiator

Problem solved

Functional benefit

Brands

• IGISsix: Leading portfolio management and inventory management software system for the real estate industry.
• iwomo

Products and services

• IGISsix Portfolio Management Software The leading portfolio management system (Bestandsmanagementsystem) for the residential economy, providing comprehensive tools for property inventory management, investment planning, energetic analysis, and portfolio optimization, sold as licensed software with customer login, support, and regular updates to German housing companies.
• iwomo – Intelligent Online Apartment Modernization An online platform for intelligent apartment modernization that enables efficient planning and management of modernization measures during tenant transitions, sold as licensed software to housing companies to digitize modernization workflows.
• Real Estate Portfolio Management Consulting Tailored consulting covering portfolio analysis, investment planning, building condition assessment (Bestandserfassung & Bauzustandsbewertung), portfolio strategies, and traffic safety/maintenance for housing companies, cooperatives, municipalities, and social institutions across Germany.
• Energy and Climate Consulting Advisory services covering Klimapfad 2030/2045 climate-path planning, CO2 balancing, consumption data analysis, district heating concepts (Quartierskonzepte), heating benchmarking, and sustainability strategy for housing companies.
• Organizational Consulting for Housing Companies Organizational development and process optimization, ESG reporting, maintenance optimization (Instandhaltungsoptimierung), unit price agreements and framework contracts (Einheitspreisabkommen & Rahmenverträge), and spin-off support (Ausgründungen) for housing organizations.

Quantifiable outcome

• Serves over 500 customers managing more than 3,000,000 apartments
• +2 more outcomes

Named customers5 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

Integration1 record

Feature3 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• vdw (Verband der Wohnungswirtschaft)coreStrategic or Co-development PartnerStrategic partnership with regional housing associations (vdw Sachsen, vdw Niedersachsen/Bremen, vdw Bayern) to deliver educational seminars and training programs on topics including investment planning, climate strategies, and technical property management to member housing companies across Germany
• VNW (Verband norddeutscher Wohnungsunternehmen)coreStrategic or Co-development PartnerPartnership with VNW to deliver seminars on topics including climate path 2045, traffic safety, and property management for member housing companies in Hamburg, Mecklenburg-Vorpommern, and Schleswig-Holstein
• VSWG (Verband Sächsischer Wohnungsgenossenschaften)coreStrategic or Co-development PartnerPartnership with VSWG to deliver seminars on housing modernization, property management, and technician shortage for Saxon housing cooperatives
• SFA (Südwestdeutsche Fachakademie der Immobilienwirtschaft)coreStrategic or Co-development PartnerPartnership with SFA to deliver online seminars on topics including investment planning, organizational development, technical property management, and maintenance optimization for housing industry professionals
• MFA (Mitteldeutsche Fachakademie der Immobilienwirtschaft)coreStrategic or Co-development PartnerPartnership with MFA to deliver seminars on topics including digital property data and sustainability concepts for Thuringia and central Germany housing companies
• EBZ (Europäisches Bildungszentrum der Wohnungs- und Immobilienwirtschaft)coreStrategic or Co-development PartnerPartnership with EBZ (Bochum) to deliver seminars on topics including investment planning and contractor management for housing companies, located at Springorumallee 20, 44795 Bochum
• QUIScoreStrategic or Co-development PartnerPartnership with QUIS for workshop on 'Agile Investment Strategy in Housing Stock' combining digital pricing and measure planning expertise
• BREDEX GmbHminorOthersDesignated data protection officer (Datenschutzbeauftragter) for the company, located at Lindentwete 1, 38100 Braunschweig

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Planon: International IWMS vendor with growing presence in the DACH real estate market. Comparable to IGISsix in IWMS-style functionality but serves a broader corporate real estate audience rather than purely residential portfolios.
• Dr. Klein (Wüstenrot-Gruppe): German real estate financial services and consulting provider serving private and institutional housing investors. Overlaps with iwb in investment planning and portfolio advisory for residential real estate.
• Haufe Group (Real Estate Division): Large German software and content provider with a real estate vertical offering portfolio management, tax, and compliance tools to the Wohnungswirtschaft. Broader portfolio than iwb but overlaps significantly in target customers.

Direct peers

• Schnee + Hagen: German real estate consulting firm serving housing companies and cooperatives with portfolio management, organizational consulting, and energy advisory — a direct functional peer to iwb's consulting practice.
• IMS Wohnen: Provider of ERP and management software specifically for the German residential housing industry. Closely comparable to IGISsix in product scope and target customer segment (Wohnungsgesellschaften, Genossenschaften).
• ABGnova: German consulting and software provider focused on housing cooperatives and the Wohnungswirtschaft, offering portfolio analysis and organizational consulting — directly comparable to iwb's Genossenschaften-focused service line.
• DOMUS Software: Specialist vendor of property and portfolio management software for German housing companies and property managers. Competes head-to-head with IGISsix in Bestandsmanagement functionality.
• Aareon: Germany's leading housing-industry software provider (formerly part of Aareal Bank, now owned by Advent International). Directly competes with IGISsix in portfolio and property management software for Wohnungsunternehmen, but operates at much larger scale and serves the same customer base.

Emerging players

• bfw – BFW Bauakademie / BFW Consult: Education and consulting arm of the German housing and real estate sector, offering organizational and technical advisory to Wohnungsunternehmen — partial overlap with iwb's organizational consulting pillar.
• CAS GenesisWorld (CAS Software): Mid-market German CRM/ERP vendor with a real estate edition. Overlaps with iwb in software-enabled portfolio management for smaller Wohnungsunternehmen, though broader in scope.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/sanitary-service-company-inc.

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Iwb Entwicklungsgesellschaft mbH