What Ktf Elektrotechnik does

KTF-Berlin GmbH (operating as KTF Berlin and KTF Elektrotechnik) is a Berlin-based, privately held technical services company founded in 1976 as Kabeltechnik H. Flemming GmbH. The firm is led by three managing directors — Kai Friedrich, Oliver Känner and Dr. Matthias von Bodecker — and is registered at Josef-Orlopp-Str. 101 in 10365 Berlin. It functions as a multi-trade building-technology integrator, grouping its work around five core service areas: Telecommunications (TK systems, electroacoustic systems, nurse call, antenna and clock systems), Security Technology (intrusion detection, DIN 14675-certified fire alarm systems, access control, electronic escape route controls, fault alarm and video surveillance), Data Technology (network cabling, distributor and switch configuration), Electrical Technology (conventional and KNX smart-building installations, DGUV V3 inspections), and Telephone & Data Networks (structured cabling Cat 5/6/7, CTI and unified communications integration). The company also offers Technical Office Relocations covering IT, telecom, security, furniture transport and disposal.

Underlying technology is service-led rather than software-led: KTF acts as a certified installer and value-added reseller integrating third-party security and communications hardware from vendors including Siemens, esser, Telenot, GEUTEBRÜCK, KABA, Vanderbilt, Ajax and CALA, plus a Certified Lexmark Service Partner authorization. Certifications include ISO 9001 quality management and DIN 14675 (SAA and BMA) for fire alarm planning, installation, commissioning, acceptance and maintenance. The business model is project-based, quote-driven and multi-year contract in nature, with no publicly disclosed pricing. Go-to-market is direct enterprise field sales, currently confined to the Berlin metropolitan area. Customers disclosed on the reference list are concentrated in German federal and Berlin state government agencies (multiple ministries and federal offices), major Berlin-headquartered banks (Deutsche Bank, Landesbank Berlin, Sparda Bank, Investitionsbank Berlin), and a handful of technology partners. The firm is hiring service technicians, telecommunications craftsmen and electrical installers, and in 2025 published both B2B and B2C terms and conditions, signaling incremental formalization of a consumer-facing channel.

Name

Ktf Elektrotechnik

Legal name

KTF-Berlin GmbH

Website

https://ktf-berlin.de

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

51–100 employees

Short description

KTF-Berlin GmbH (KTF Elektrotechnik) is a Berlin-based, privately held technical services firm founded in 1976 that installs and maintains telecommunications, data networks, security technology and electrical systems for German federal and state government agencies, banks and large enterprises in the Berlin region.

Ownership category

akta.pro rank

Product category

Building Technology Services

NAICS

Security Systems Services (56162), Security Systems Services (except Locksmiths) (561621), Electronic and Precision Equipment Repair and Maintenance (8112)

SIC

Services-Computer Integrated Systems Design (7373), Electric Lighting & Wiring Equipment (3640), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Low-Voltage & Security Systems Contracting (Access Control, CCTV, Intrusion) (IMAFALAF)

akta.pro secondary industries

Fire Alarm & Life Safety Systems Integration (BPAKAGAF), Fire Alarm Systems (Design/Install/Service/Monitoring) (BPABAHAA), Security, Safety & Fire/Life Safety Management (BPABAAAE)

Keywords

• Electrical installation services
• Security system integration
• Structured cabling networks
• Telecommunications infrastructure
• Fire alarm systems

Headquarters

HQ city

Berlin

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Technical Relocation Services: Complete technical office relocation services including computer, telephony, and communication systems, office furniture transport, and disposal of materials and equipment.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

KTF-Berlin GmbH provides integrated technical building services including telecommunications, security technology, data networks, and electrical installations for government agencies and large enterprises in the Berlin region. The company plans, installs, and maintains KNX-based smart building systems, DIN 14675-certified fire alarm systems, structured cabling networks (Cat 5/6/7), and intrusion detection and access control solutions, alongside technical office relocation services. The company also resells and installs third-party security hardware brands such as Ajax wireless alarm systems, Siemens, esser, Telenot, and GEUTEBRÜCK.

Product overview

KTF-Berlin GmbH is a mid-sized technical services company founded in 1976 (originally Kabeltechnik H. Flemming GmbH) that offers integrated building technology services. The company operates five core service areas: (1) Telecommunications (Telekommunikation) — TK-system planning and installation, electroacoustic systems, nurse call systems; (2) Security Technology (Sicherheitstechnik) — intrusion detection, DIN 14675-certified fire alarm systems, access control, video surveillance; (3) Data Technology (Datentechnik) — network infrastructure, cable installation, configuration; (4) Electrical Technology (Elektrotechnik) — conventional and KNX smart building electrical installations; and (5) Telephone and Data Networks (Telefon- und Datennetze) — structured cabling (Cat 5/6/7), network integration. The company also provides Technical Relocations (Technische Umzüge) as a bundled service covering IT/telecom搬迁 and new installations. As a value-added reseller and certified installer, KTF integrates third-party security hardware brands including Ajax, SIEMENS, esser, Telenot, KABA, GEUTEBRÜCK, Vanderbilt, CALA, and MS-AG. The portfolio is structured as service-led with hardware resale, rather than a software platform.

Differentiator

Problem solved

Functional benefit

Products and services

• Telekommunikation (Telecommunications Services)

Named customers28 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

Feature3 records

Partnerships

Seven partnerships are on record, tiered core.

• SiemenscoreTechnology or IntegrationSiemens is listed as a security technology product partner. KTF Berlin uses Siemens products for security installations including fire detection and building security systems.
• esser (Essersystems)coreTechnology or Integrationesser is a product partner for fire alarm and security technology solutions used by KTF Berlin in their installations.
• TelenotcoreTechnology or IntegrationTelenot is a product partner for security alarm systems used in KTF Berlin installations.
• CALA Systemtechnik GmbHcoreTechnology or IntegrationCALA Systemtechnik is both a product partner and customer of KTF Berlin, providing security technology solutions.
• GEUTEBRÜCK GmbHcoreTechnology or IntegrationGEUTEBRÜCK is both a product partner (video security systems) and customer of KTF Berlin.
• AjaxcoreTechnology or IntegrationAjax wireless intrusion detection systems are a specialized product line offered by KTF Berlin. They have a dedicated Ajax product page on their website with information brochures.
• Lexmark Deutschland GmbHcoreTechnology or IntegrationCertified Lexmark Service Partner - KTF Berlin is authorized to service and support Lexmark printing and imaging solutions.

Scale indicators2 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Bosch Sicherheitssysteme GmbH: Manufacturer and integrator of video surveillance, intrusion detection, access control, and fire-alarm systems in Germany. Comparable as a vendor-side player whose products (and competing installers) address the same DIN-certified security scope as KTF.
• Siemens Smart Infrastructure (Building Products): Global manufacturer and systems integrator of fire safety, security, and building-automation products. KTF is a Siemens integration partner and customer, making Siemens the leading vendor-side comparable whose product portfolio drives much of KTF's installed scope.
• Johnson Controls Deutschland: Global fire-alarm, security, and building-automation systems provider with German operations. Comparable as a larger competitor in DIN-compliant fire detection and integrated security installations for public-sector and commercial facilities.
• Caverion Deutschland: European technical building services provider with German operations covering HVAC, electrical, security, and life-safety installations. Comparable as a larger incumbent competing for the same integrated building-technology projects in commercial and public-sector facilities.
• SPIE Deutschland & Europa: One of Germany's largest multi-technical service providers covering electrical engineering, ICT, security, and facility management. Directly comparable because it competes for the same Berlin-area public-sector and enterprise low-voltage, security, and structured-cabling scope but at significantly greater scale and geographic reach.
• Wisag Gebäude-Service: Large German facility-services group with technical building services including security and electrical installations. Comparable as a broader incumbent offering overlapping low-voltage and security-installation capabilities across Germany.

Regional players

• Elektro Beckhoff GmbH & Co. KG: Mid-sized German electrical contractor delivering commercial and industrial electrical, data-network, and security installations. Comparable as a regional peer with similar service breadth but operating in a different German territory.
• Elektro Kreutzpointner GmbH: Mid-sized German electrical and building-services contractor with industrial and commercial focus including telecommunications and security installations. Comparable as a regional peer of similar size competing in adjacent German markets.

Direct peers

• BAM Industries GmbH: German regional installer of fire alarm, intrusion, video surveillance, and access-control systems. Directly comparable because its core business mirrors KTF's Sicherheitstechnik service line targeting enterprise and public-sector customers.
• Telent GmbH: German specialist in network, telecommunications, and security infrastructure services with strong public-sector exposure. Closely comparable on telecommunications, data-network, and electronic-security installation work for government and critical-infrastructure customers.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/ktf-berlin-gmbh

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Ktf Elektrotechnik