What Siedle does

Siedle (legal name: S. Siedle & Söhne Telefon- und Telegrafenwerke OHG) is a privately held, family-owned German manufacturer of building communication systems, founded in 1750 and headquartered in Furtwangen in the Black Forest, where all products are developed and manufactured. The company produces door intercom systems (audio and video), access control devices (fingerprint, code, card, transponder), and increasingly IP-based and cloud-connected building communication platforms. Its portfolio spans hardware design lines — Siedle Classic, Vario, Steel, Select and Compact — and the Siedle IQ IP door communication family, which includes IQ Touch, IQ 2wire, IQ Door, the Smart Gateway and the Siedle App. The upper end of the portfolio extends into the Siedle Access IP system, the Secure Controller SC 600-0 for commercial facilities (up to 500,000 users, 1,000,000 event logs), and the Vixinity-Cloud platform that integrates door communication, access control and smart building functions on a single interface.

Siedle generates revenue primarily from one-time hardware sales of intercom and access control systems, supplemented by subscription-style software licenses for Smart Gateway participant slots (factory-equipped with 2, expandable to 50) and additional Siedle Access licenses purchased via the Mein Siedle partner portal, plus professional commissioning services. Distribution is exclusively through qualified trade channels: approximately 500 specialist dealers and electrical wholesalers, 115 Studio-Partner showrooms, four wholly-owned regional subsidiaries (Siedle Electric AG in Switzerland, Siedle Benelux N.V., Siedle Nordic A/S covering Denmark, Sweden, Norway and Finland), and a distributor/representative network across roughly 40 countries in Europe, the Middle East, Asia, Africa and the Americas. Customer segments are residential buildings (single- and multi-family), large residential complexes and housing companies, commercial and industrial facilities, public buildings (cultural, healthcare, hospitality), and accessibility-focused developments.

The company is run by four managing directors — Jochen Cura, Frank Schondelmaier (Sales), Peter Strobel and Christoph Weber — under an OHG general partnership structure, with no external investors, funding rounds or M&A activity disclosed. Its go-to-market is sales-led through the certified trade channel, supported by field sales by German territory, technical consultants, training programs, trade shows (e.g., Sonepar Trend + Technik, ineltec Zurich) and the Mein Siedle partner portal. Pricing is quote-based and not publicly disclosed; standard products ship within six weeks, orders under EUR 1,000 net incur a packaging/shipping surcharge, orders at or above EUR 1,000 are delivered freight-paid, and payment terms are 14 days with a 2% cash discount or 30 days net.

Name

Siedle

Legal name

S. Siedle & Söhne Telefon- und Telegrafenwerke OHG

Website

https://siedle.de

Company type

Private

Founded year

1750

Operating status

Operating

Headcount range

51–100 employees

Short description

Siedle is a 275-year-old, family-owned German manufacturer of building communication systems — door intercoms, access control and IP-based platforms (Siedle IQ, Access, Vixinity-Cloud) — developed and produced in Furtwangen and sold via certified electrical trade partners and regional subsidiaries across Europe and beyond.

Ownership category

akta.pro rank

Product category

Building Communication Systems

NAICS

Other Communications Equipment Manufacturing (33429), Communications Equipment Manufacturing (3342)

SIC

Communications Equipment, Nec (3669), Electronic Components, Nec (3679)

akta.pro primary industry

Connectors & Interconnect Components (Industrial connectors, terminals, sockets, backplane) (IMAGAJAC)

akta.pro secondary industries

Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve) (IMAGAEAF), Enclosures, Boxes & DIN-Rail Hardware (junction boxes, cabinets, panel enclosures, DIN rail, gland plates) (IMAGAEAH)

Keywords

• Door intercom systems
• Building communication technology
• Access control hardware
• Video door stations
• IP intercom solutions

Headquarters

HQ city

Furtwangen

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Product Sales: Siedle generates revenue primarily from selling physical intercom systems, door stations (audio and video), indoor stations, access control devices, and related hardware components. Products are sold through a network of specialist dealers and electrical wholesalers.
2. Software Licenses: Additional software licenses for Smart Gateway (factory-equipped with 2 participant licenses, expandable to 50 participants total). Access Certified Partners can purchase additional licenses for Siedle Access system. Licenses are ordered through the Mein Siedle service portal.
3. Professional Services: Remote commissioning services for system startup (Smart Gateway, Siedle Axiom, Siedle Touch, Entry/Secure Controller, DoorCom, In-Home-Bus). On-site service through qualified electrical specialist partners.

Pricing tiers

Go-to-market motion2 records

Distribution channels8 records

Marketing channels8 records

Core offering

Siedle develops and manufactures door intercom systems (audio and video), indoor stations, access control devices, and IP-based building communication platforms under its own brands (Siedle IQ, Siedle Access, Siedle Classic, Vario, Steel, Compact, Select), plus the Smart Gateway hardware and the Vixinity-Cloud software platform. Products are developed and produced entirely in Furtwangen, Black Forest, Germany, and sold exclusively through a network of approximately 500 qualified electrical specialist dealers, 115 Studio Partners, and wholly-owned subsidiaries in Switzerland, Benelux, and the Nordics.

Product overview

Siedle is a manufacturer of building communication systems, primarily door intercom and access control products. The product portfolio is organized around several sub-brands and product families: (1) Siedle IQ — an IP-based door communication platform consisting of IQ Touch (door station for large residential complexes), IQ 2wire (two-wire digital retrofit system), IQ Door (IP door station), and associated indoor stations (HTS, HTA), plus the Smart Gateway and Siedle App for mobile door communication. (2) Siedle Access — an IP-based communication system for complex commercial installations with mobile concierge video and site-spanning networking. (3) Siedle Classic, Vario, Steel, Select, and Compact — design lines for door stations and indoor stations, ranging from modular systems to premium bespoke units. (4) Zutrittskontrolle (Access Control) — including the Secure Controller (SC 600-0), fingerprint modules, code keypads, card readers, and transponders. (5) Vixinity-Cloud — cloud platform for building management integrating door communication, access control, and smart building functions. (6) Supplementary products include DoorCom, In-Home-Bus, mailboxes, video surveillance, and the Beschriftungsservice (labeling service). All products are developed and manufactured in Furtwangen, Black Forest, Germany. The company was founded in 1750 and celebrates its 275th anniversary in 2025.

Differentiator

Problem solved

Functional benefit

Brands

• Siedle IQ: IP-based door communication platform with digital services and app-enabled video intercom system
• Siedle Steel
• Siedle Classic
• Siedle Vario
• Siedle Compact
• Siedle Access
• Vixinity-Cloud
• IQ Touch
• IQ 2wire

Products and services

• Siedle IQ IP door communication platform consisting of platform, digital services, and devices (door station, indoor stations, mobile app). Targeted at electrical installers, developers, and end customers as Siedle's IoT product family.
• Siedle Classic Door intercom system available with audio or video door station and classic indoor stations for up to four residential units. Extensible with Smart Gateway and Siedle App for mobile door communication. Made in Furtwangen.
• Siedle Vario Modular door station system with flexible configuration, available in various materials and finishes. Supports laser labeling, screen printing, foil labeling, and engraving for customization.
• Siedle Steel Premium door station line where each unit is a unique piece. Offers laser cutting, engraving, screen printing, foil labeling, and illuminated information surfaces up to 120 cm wide. Used in prestige projects such as the Norwegian National Opera & Ballet and SRH Holding Heidelberg.
• Siedle Select Door station system with labeling service options within the Siedle design line portfolio.
• Siedle Compact Compact door station system with labeling service options within the Siedle design line portfolio.
• Smart Gateway Gateway hardware that delivers door calls directly to mobile devices worldwide via the Siedle App, without requiring an indoor station. Ships factory-equipped with 2 participant licenses; expandable up to 50 participants via additional software licenses.
• Siedle App iOS and Android mobile application that receives door calls, conducts video intercom calls, and controls door access remotely from anywhere in the world. Required companion to Smart Gateway.
• IQ Touch Door station that extends the Siedle IQ system, targeted at operators of large residential complexes. Adds extended functions and service options for multi-tenant and multi-building deployments.
• IQ 2wire System enabling digital door communication over existing two-wire cabling, suitable for new construction or renovation. Simplifies planning and installation for installers.
• Vixinity-Cloud Cloud platform for property management that brings together door communication, access control, and smart building management functions on one interface, allowing centralized management of digital building processes.
• Siedle Access IP-based communication system that integrates door communication into existing IP infrastructure, supporting complex switching operations and individually programmed functions. Current release enables mobile concierge video via Siedle App and site-spanning networking of Access installations.
• Secure Controller SC 600-0 Central control unit for managing access authorizations in commercial and industrial facilities. 2 RS485 interfaces, 4 doors per controller, OSDP/Vario-Bus protocols, supports up to 500,000 users and 1,000,000 event log entries, with web-interface programming and a wizard for commissioning.
• Zutrittskontrolle (Access Control: Fingerprint, Code, Card, Transponder) Modern access control integrated into Siedle door intercoms and communication systems across the Siedle Steel, Classic, and Vario design lines. Supports fingerprint, numeric code, card, and wireless transponder to replace conventional keys.
• Briefkästen (Mailboxes) Siedle mailboxes with professional labeling service. Front and nameplate labeling available in Siedle Vario and Classic design lines. Solitary Siedle mailbox with street name and house number labeling offered free of charge.
• Videoüberwachung (Video Surveillance) Video surveillance capabilities as an extended option for Siedle door communication systems.
• Beschriftungsservice (Labeling Service) Professional labeling service for door stations and mailboxes using laser, screen printing, foil, and engraving techniques. Labels are weather-resistant, moisture-resistant, and precisely matched to product design. Online labeling for IQ Door via the IQ platform.

Quantifiable outcome

• Products last for decades with repair services available even for older devices
• +2 more outcomes

Named customers10 records

Segments8 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature9 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Access Certified Partners (ACP)coreChannel Partner/ Reseller/ DistributorAccess Certified Partners are authorized to commission Access systems. Their suitability for proper planning and administration of Siedle Access has been verified through audits and certified by Siedle. ACPs can purchase additional licenses for Siedle Access system.
• Vertragskundendienst (Contract Service Partners)coreImplementation/ SI/ Consulting PartnerQualified electrical specialist companies that perform repairs, planning, installations and more on behalf of Siedle under the company's service network.
• JUNG (Various Regional Partners)minorChannel Partner/ Reseller/ DistributorJUNG and related companies serve as distribution partners in various countries including Lithuania, Portugal, Spain, UK, Korea, Austria, and others.
• Smith & Norland hf. (Iceland)minorChannel Partner/ Reseller/ DistributorExclusive representative for Siedle products in Iceland.
• HansefitminorOthersSiedle cooperates with Hansefit corporate fitness program, providing employees with access to online offerings and 1,000+ sports and fitness facilities.
• JobRadminorOthersSiedle cooperates with JobRad for 'Siedle-Bike' sustainable mobility program. Siedle leases employees their desired bicycle for use in daily life and commuting.
• Duale Hochschule Baden-Württemberg (DHBW)coreStrategic or Co-development PartnerSiedle partners with DHBW Villingen-Schwenningen and DHBW Horb for dual study programs in Electrical Engineering, Computer Science, and Industrial Engineering. Students combine theoretical study with practical phases at Siedle.
• Hochschule Furtwangen UniversityminorStrategic or Co-development PartnerSiedle partners with Hochschule Furtwangen for 'Studium Plus' programs combining apprenticeship with university studies.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• TCS TürControlSysteme: German manufacturer of door intercom, door communication, and access control systems. Closest like-for-like competitor to Siedle in the German trade and DACH market, with a similarly specialist channel model and overlapping electrical-installer customer base.
• Gira: German family-owned manufacturer of building technology including door intercoms, KNX smart-home, and switch systems. Comparable premium 'Made in Germany' positioning, installer-led GTM, and expanding IP/cloud building-management portfolio overlapping with Siedle IQ and Vixinity-Cloud.
• Albrecht Jung (JUNG): German premium electrical installation systems and building communication manufacturer with door intercoms and KNX integration. Highly comparable on design-led premium positioning, electrical-installer channel, and German/European footprint; already a Siedle distribution partner in several countries.
• Fermax: Spanish manufacturer of audio and video door entry systems with strong European and international presence. Direct competitor in the IP-intercom category, especially in residential and multi-family projects, with overlapping channel and end-customer profiles.
• Comelit Group: Italian intercom, video door entry, and home automation manufacturer with a broad European distribution footprint. Closely comparable in product scope (door stations, access control, IP/cloud platforms) and target segments (residential, large residential complexes, commercial).
• Urmet Group: Italian building communication and security systems group covering intercoms, video door entry, access control, and home automation. Directly comparable product portfolio and similar mix of European direct subsidiaries and international distributors.
• 2N (Axis Communications): IP intercom and access control specialist (owned by Axis Communications). Direct competitor in IP-native door intercoms, with stronger software/IT-channel orientation and developer ecosystem that competes with Siedle IQ and Vixinity-Cloud in commercial and enterprise segments.

Broad incumbents

• ABB Welcome: ABB's door communication and welcome system portfolio. Larger incumbent with broader industrial and electrification portfolio; directly comparable in door intercom products but competes as part of a much wider smart-building and electrification offering.
• Legrand: Global building electrical and digital infrastructure group (including BTicino) with intercom and door entry systems. Larger incumbent that competes with Siedle in the wiring device and door entry category as part of a much broader electrical-systems portfolio.

Emerging players

• DoorBird (Bird Home Automation): Berlin-based IP video door intercom manufacturer with strong software/app focus and direct-to-installer sales. Emerging player competing for the IP-native, smart-home-integrated segment where Siedle is now pushing with Siedle IQ and Vixinity-Cloud.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/siedle_com
• YouTubeyoutube.com/siedlecompany
• Facebookfacebook.com/Siedle

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries4 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 Siedle