Signal Iduna Bauspar Ag

What Signal Iduna Bauspar Ag does

Signal Iduna Bauspar AG is a German Bausparkasse (building society) and wholly-owned financial subsidiary of the SIGNAL IDUNA Gruppe, headquartered in Hamburg-Wandsbek and founded on 21 February 1930. The company manages building savings contracts (Bausparverträge) and provides residential real estate financing to German individual consumers under BaFin supervision (HR B 15310 Amtsgericht Hamburg). It serves four primary customer cohorts: savers under 25 (eligible for flexible-use Wohnungsbauprämie unlock), employees channeling Vermögenswirksame Leistungen (VL) into building savings contracts, home buyers and builders, and property owners undertaking renovation or energy-efficient modernization. As a member of the Verband der Privaten Bausparkassen, the company operates within Germany's regulated private building-savings sector alongside approximately ten peers.

The company's core product is the Bausparvertrag, sold under the FREIraum tariff family (F30/F40/F50), enabling customers to accumulate savings toward a target Bausparsumme (minimum €5,000) while securing guaranteed future loan access at a predetermined interest rate. The product set is anchored by Immobilienfinanzierung (real estate financing), a Modernisierungskredit of €10,000–€50,000 for renovation projects, and integration with state subsidy programs (Wohnungsbauprämie up to €70/year, Arbeitnehmersparzulage of 9% on VL contributions). Technology infrastructure centers on a digital advisory and contract-conclusion platform (bausparvertrag.si-bausparen.de) supporting 24/7 self-service calculation and initiation, complemented by the :frieda customer portal, POSTIDENT video-based identity verification through Deutsche Post for regulatory onboarding under Geldwäschegesetz, and integrations with KfW and BAFA for the energy-renovation vertical. No proprietary AI/ML capability is disclosed.

Revenue is generated through interest income on the building-loan portfolio (Baudarlehensbestand of €1,293.9M in 2025), commission and fee income, contract conclusion fees on savings products, and modernization-loan interest. In 2025, the company reported a Zinsergebnis of €19.5M and Provisionsergebnis of €10.3M against administrative expense of €26.3M, generating new-business Bausparsumme of €788.4M and administering €8,238.7M of real estate financing for the SIGNAL IDUNA group. Distribution combines a sales-led motion through the SIGNAL IDUNA insurance agent network with a product-led self-service channel, supported by phone hotlines and digital content marketing under BFSG/WCAG 2.2 accessibility compliance implemented in January 2025.

Name

Signal Iduna Bauspar Ag

Legal name

SIGNAL IDUNA Bauspar Aktiengesellschaft

Website

https://si-bausparen.de

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

101–250 employees

Short description

Signal Iduna Bauspar AG is a Hamburg-based German Bausparkasse and wholly-owned subsidiary of the SIGNAL IDUNA Gruppe, managing building savings contracts and providing residential real estate financing to German retail consumers through a hybrid agent-network and digital self-service model.

Ownership category

akta.pro rank

Product category

Building Savings and Residential Mortgage Lending

NAICS

Savings Institutions and Other Depository Credit Intermediation (522180)

SIC

Mortgage Bankers & Loan Correspondents (6162)

akta.pro primary industry

Affordable Housing / Down Payment Assistance (DPA) Mortgage Origination (FSALAAAM)

akta.pro secondary industries

Loss Mitigation & Home Retention Servicing (Modifications/Forbearance/Repayment Plans) (FSALAEAG), Public Mortgage Insurance & Government Credit Guarantee Programs (FSALAKAD)

Keywords

• Building savings contracts
• Residential real estate financing
• Home construction loans
• Property modernization credit
• Housing savings products

Headquarters

HQ city

Hamburg-wandsbek

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Bausparverträge: SIGNAL IDUNA Bauspar AG manages its own Bausparverträge (building savings contracts). Revenue is generated through Bausparbeiträge (savings contributions), Abschlussgebühren (conclusion fees), and Darlehenszinsen (loan interest) during the loan phase. The company administers both savings deposits and provides housing loans.
2. Immobiliendarlehen: The company grants and services real estate loans on behalf of SIGNAL IDUNA insurance companies. Interest income from mortgage lending constitutes a key revenue stream.
3. Modernisierungskredit: Short to medium-term modernization loans between 10,000€ and 50,000€ for property renovations. The credit functions as pre-financing of a new Bausparvertrag, with customers paying only interest during the savings phase.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Signal Iduna Bauspar AG is a German building savings society (Bausparkasse) that issues and administers Bausparverträge (building savings contracts) and provides residential real estate financing, including forward mortgage loans (Annuitätendarlehen) and modernization credits. As a wholly-owned subsidiary of SIGNAL IDUNA Gruppe, the company channels insurance customers into the German building savings system, combining savings plans, government subsidies (Wohnungsbauprämie, Arbeitnehmersparzulage, VL) and follow-on home loans into one housing finance offering.

Product overview

Signal Iduna Bauspar AG operates as a building society within the SIGNAL IDUNA Group, offering a comprehensive building savings and real estate financing ecosystem. The core product is the Bausparvertrag (building savings contract), which serves as the foundation for multiple related offerings including Immobilienfinanzierung (real estate financing) and Modernisierungskredit (modernization credit). The company markets its FREIraum tariff family (F30, F40, F50) as the primary savings products, supplemented by state subsidy programs including Wohnungsbauprämie (10% housing premium) and Arbeitnehmersparzulage (9% employee savings grant) for VL-Sparen (investment-linked employee benefits). Special products target young savers under 25 and energy-efficient renovations. The offering follows a unified platform approach where building savings contracts can be combined with various financing products and government incentives.

Differentiator

Problem solved

Functional benefit

Brands

• FREIraum: Bauspartarif (building savings product tariff) of SIGNAL IDUNA Bauspar AG, including FREIraum F30, F40, and F50 variants. Awarded 'Sehr Gut' by WirtschaftsWoche FMH rating for 2025 and 2026.

Products and services

• Bausparvertrag (Building Savings Contract)

Named customers1 record

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature3 records

Partnerships

Three partnerships are on record, tiered core.

• Verband der Privaten Bausparkassen e.V.coreStrategic or Co-development PartnerSIGNAL IDUNA Bauspar AG is a member of the Association of Private Bausparkassen (Bausparkassen). The association represents the shared interests of German private Bausparkassen before politics, administration, and regulatory authorities. It advocates for the interests of Germany's ten private Bausparkassen and provides consumer information about building savings.
• Berufsbildungswerk der Bausparkassen (BWB) e.V.coreStrategic or Co-development PartnerProfessional training institution for Bausparkassen employees. BWB offers external sales staff the opportunity to earn certification as Bauspar- und Finanzfachmann/-frau (Building Savings and Finance Specialist), qualifying advisors as experts in finance and building savings topics.
• SIGNAL IDUNA Gruppe (Parent)coreStrategic or Co-development PartnerSIGNAL IDUNA Bauspar AG is a financial subsidiary of the SIGNAL IDUNA Gruppe. The Bausparkasse manages its own Bausparverträge and grants and services Immobiliendarlehen (real estate loans) on behalf of SIGNAL IDUNA Versicherungsgesellschaften (insurance companies).

Scale indicators9 records

Recent moves5 records

Expansion highlights5 records

Others

• KfW (Kreditanstalt für Wiederaufbau): German government development bank that provides subsidized energy-efficiency and housing loans. Signal Iduna explicitly refers customers to KfW programs (e.g., KfW 261/262) and is therefore a partner-adjacent, not directly competitive, entity.

Direct peers

• Schwäbisch Hall Bausparkasse: Germany's largest private Bausparkasse and the dominant benchmark for the FREIraum tariff family. Operates an identical Bausparvertrag-plus-Wohnungsbauprämie product set under the cooperative banking group (DZ Bank), with materially larger portfolio scale.
• Wüstenrot Bausparkasse: Second-largest private German Bausparkasse, offering Bausparverträge, Wohnungsbauprämie, and Wohnfinanzierung. Directly competes with Signal Iduna in tariff pricing, agent distribution, and digital self-service channels.
• BHW Bausparkasse: Bausparkasse owned by Deutsche Bank/Postbank, offering Bausparverträge and Immobilienfinanzierung. Closely comparable operating model with parallel reliance on branch/agent distribution and government-subsidized savings products.
• LBS (Landesbausparkassen): Federation of regional public-sector Bausparkassen affiliated with the Sparkassen group. Offers the same Bausparvertrag product family, Wohnungsbauprämie administration, and Immobilienfinanzierung — the primary alternative distribution channel for German housing savers.

Emerging players

• Interhyp: Germany's largest independent mortgage broker. Not a Bausparkasse, but a direct substitute for Signal Iduna's Immobilienfinanzierung business — competes on speed, online UX, and rate comparison for the same home-purchase customer.
• ING-DiBa: Germany's largest direct bank, offering Baufinanzierung as a core product. Represents the digital-first challenger model that pressures traditional Bausparkassen on price transparency and online origination speed.
• Debeka Bausparkasse: Insurance-linked Bausparkasse serving mutual insurance members. Comparable in that it sits within a larger insurance conglomerate (analogous to SIGNAL IDUNA), and competes for similar insurance-affiliated Bauspar customers but with a more concentrated mutual customer base.

Broad incumbents

• Allianz: Diversified financial services group that historically offered a Bausparkasse (via a former subsidiary) and competes in integrated insurance-plus-housing-finance bundles. Useful comp for the cross-sell and parent-distribution model that Signal Iduna operates within the SIGNAL IDUNA Gruppe.
• Münchener Hypothekenbank (MHB Bank): Specialist German mortgage bank focused on residential and commercial real estate financing. Comparable in its housing-finance product set but operates without the savings-pool (Bauspareinlagen) side of the Bausparkasse model.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/signaliduna
• Facebookfacebook.com/signaliduna
• Instagraminstagram.com/signal.iduna.gruppe
• LinkedInlinkedin.com/company/signal-iduna-bauspar-ag

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Signal Iduna Bauspar Ag