Verified Nov 2026
Metal Fabrication
·
Leer, Lower Saxony
·
Since 1999
Forterro Windows & Doors is a software provider for the window, door, and façade industry, headquartered in Leer, Lower Saxony, Germany, and founded in 1999. It employs an estimated 500 to 1,000 people, with estimated annual revenue of $250 to $500 million. The company is privately held and serves automotive, electric-vehicle, construction, renewable-energy, and industrial-equipment sectors. Its flagship Logikal software suite supports production planning, design, and engineering for manufacturers. In April 2026, Forterro announced its acquisition of Klaes, a window industry software firm.
Forterro Windows & Doors at a glance
Revenue
$250-500M
Est. band
Employees
500-1,000
Founded
1999
Headquarters
Leer, Lower Saxony
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
Overview
Forterro Windows & Doors is a software provider for the window, door, and façade industry, headquartered in Leer, Lower Saxony, Germany, and founded in 1999. It employs an estimated 500 to 1,000 people, with estimated annual revenue of $250 to $500 million. The company is privately held and serves automotive, electric-vehicle, construction, renewable-energy, and industrial-equipment sectors. Its flagship Logikal software suite supports production planning, design, and engineering for manufacturers. In April 2026, Forterro announced its acquisition of Klaes, a window industry software firm.
At a glance
Attribute | Detail |
|---|---|
Founded | 1999 |
Headquarters | Leer, Lower Saxony |
Employees | 500-1,000 |
Revenue | $250-500M (estimated) |
Primary capability | Metal Fabrication |
What Forterro Windows & Doors makes
The company offers the Logikal software suite, which covers planning, production integration, and design for window and door manufacturers, along with end-to-end production planning, design, calculation, and engineering services.
Latest developments
2026-10-09 — For the First Time: Forterro Brings Its Windows & Doors Portfolio Together at Batimat 2026 | Pro Installer (proinstaller.co.uk)
2026-09-24 — FORTERRO: Klaes și 3E extind portofoliul pentru industria de ferestre și uși - FEREASTRA (fereastra.ro)
2026-06-12 — Software specialist becomes the go-to all-rounder for the window and door industry (profiel-online.nl)
2026-05-18 — Forterro to Acquire 3E, Expanding Mid‑Market Software | Forterro (forterro.com)
2026-04-16 — Forterro acquires Klaes | Window industry software | Forterro (forterro.com)
2026-01-13 — BM Group and Orgadata rebrand to Forterro - (enterprisetimes.co.uk)
Company details
Forterro Windows & Doors is a division of Forterro, a European software provider focused on the industrial midmarket, and it consolidated its window and door operations through the acquisitions of Orgadata AG, BM Group, and Klaes. Forterro Windows & Doors was founded in 1999, has an estimated 500-1,000 employees, and is headquartered in Leer, Lower Saxony.
Frequently asked questions
What does Forterro Windows & Doors make?
Forterro Windows & Doors is a software provider for the window, door, and façade industry, headquartered in Leer, Lower Saxony, Germany, and founded in 1999. It employs an estimated 500 to 1,000 people, with estimated annual revenue of $250 to $500 million. The company is privately held and serves automotive, electric-vehicle, construction, renewable-energy, and industrial-equipment sectors. Its flagship Logikal software suite supports production planning, design, and engineering for manufacturers. In April 2026, Forterro announced its acquisition of Klaes, a window industry software firm.
Where is Forterro Windows & Doors headquartered?
Forterro Windows & Doors is headquartered in Leer, Lower Saxony (14 Am Nesseufer, Leer, Lower Saxony, 26789).
When was Forterro Windows & Doors founded?
Forterro Windows & Doors was founded in 1999.
How big is Forterro Windows & Doors?
Forterro Windows & Doors has an estimated 500-1,000 employees, with revenue in the $250-500M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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