Topstar

What Topstar does

Topstar GmbH is a family-owned German manufacturer of ergonomic seating founded in 1949 and headquartered in Langenneufnach near Augsburg, with a workforce in the 251–500 range. The company's core differentiator is the proprietary Sitness movement technology — a patented mechanism that decouples the chair base from the seat to enable three- and four-dimensional dynamic sitting, allowing 360-degree movement that the company claims exercises back musculature and supports spinal health. Product lines span office and corporate seating (including AGR-certified dynamic chairs), the Sitness RS gaming sub-brand, the Sitness Urban hospitality collection (developed with chef Mike Süsser), children's seating, and living/outdoor furniture, with an additional 3D-printed stool line using 100% recycled PETG.

The business operates a B2B sales-led model primarily through an independent furniture dealer network in the DACH region, supported by area sales managers, project sales for office and hospitality fit-outs, and a factory outlet at the Langenneufnach headquarters for direct consumer sales. GTM is heavily event-driven, with major presence at ORGATEC, Gamescom, Ambiente, Intergastra, Internorga, and Salone del Mobile Milano, complemented by an influencer/ambassador program anchored on gaming creator Huebi (Sitness RS) and partnerships with Red Bull Gaming Garden, Gamechair, and FC Augsburg. Revenue is generated through one-time hardware sales of seating products; no subscription, licensing, or recurring revenue streams are disclosed, and no public consumer pricing is published. The company holds the AGR "Tested & Recommended" certification on eight products and is pursuing a Hong Kong listing as part of an internationalization strategy, with Q1–Q3 2025 net profit up 446.74% year-over-year.

Name

Topstar

Legal name

TOPSTAR GmbH

Website

https://topstar.de

Company type

Private

Founded year

1949

Operating status

Operating

Headcount range

251–500 employees

Short description

Topstar GmbH is a family-owned German manufacturer, founded in 1949, of ergonomic chairs and seating built around its proprietary Sitness dynamic-movement technology. It serves office, gaming, hospitality, kids, and residential customers primarily through a DACH dealer network and B2B project sales.

Ownership category

akta.pro rank

Headquarters

HQ city

Langenneufnach

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Furniture and Seating Product Sales: One-time hardware sales of ergonomic chairs and seating solutions through dealer network and direct B2B sales for project fit-outs. Products include office chairs, gaming chairs, children's seating, and hospitality furniture.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Topstar manufactures and sells ergonomic chairs and seating furniture — office chairs, executive chairs, visitor chairs, gaming chairs (Sitness RS), children's chairs (Sitness Home S'Cool), hospitality furniture (Sitness Urban) and outdoor/living seating — all produced in Germany. Its flagship differentiator is the patented Sitness 3D/4D movement technology, which decouples the seat from the chair base so the user can move dynamically while seated, training back muscles and reducing back pain. The company sells primarily B2B via a dealer network and direct project sales, supplemented by a factory outlet at its Langenneufnach headquarters.

Differentiator

Problem solved

Functional benefit

Brands

• Sitness: Dynamic seating brand featuring patented Sitness movement technology that enables three-dimensional sitting, promoting active posture and back health across office, home, and gaming environments.
• Sitness RS
• Sitness Urban

Products and services

• Sitness 4D office chair Sitness 4D office chair with the patented four-direction movement mechanism that allows unconscious back-muscle training and back-pain prevention during work.
• Sitness AirWork office chair AGR-certified office chair built around Sitness dynamic-movement technology, designed for active sitting in modern workplaces.
• Sitness AirWork Meeting 10 meeting chair Meeting-room chair with Sitness dynamic-movement technology for active sitting in conference and meeting environments.
• Sitness AirWork Meeting 20 meeting chair Premium meeting-room chair in the Sitness AirWork family with dynamic multi-directional seating for board and meeting rooms.
• Sitness Airhop / Airhop High office chair Sitness Airhop is an office chair bringing dynamic movement to every workplace, with a high-back Airhop High variant for extended sitting.
• Sitness X Back Pro ergonomic office chair AGR-certified ergonomic office chair with Sitness dynamic movement for back-health-conscious workplaces.
• Soft Sitness Art chair AGR-certified soft-upholstered Sitness chair targeted at design-conscious office and home-office buyers.
• Sitness Life 40 chair Sitness dynamic-movement chair for office and home office use.
• Sitness RS X gaming chair Sitness RS premium gaming chair with 3D seating technology, combining dynamic movement with maximum ergonomics — features include 3-dimensional Sitness joint, synchronous mechanism, height-adjustable armrests, adjustable headrest, mesh/upholstery backrest, and premium synthetic leather from Continental.
• Sitness RS gaming chair collection Made-in-Germany gaming chair sub-brand combining Sitness movement technology with sporty ergonomic design, targeting gamers, streamers and esports professionals. Standard models include Sitness RS X, RS Sport, RS Pro and RS Sport Plus.
• Gamechair x Sitness RS exclusive gaming chair collection Exclusive co-developed gaming-chair collection produced with Gamechair, blending Topstar's Sitness ergonomic expertise with specialist gaming chair design.
• Sitness Urban Salzburg by Mike Süsser hospitality collection Hospitality seating collection for catering, hotel, bar and residential applications developed in collaboration with celebrity chef Mike Süsser, featuring dynamic organic seat shapes and Sitness movement technology.
• Sitness Urban hospitality line Hospitality-grade seating line that merges style and functionality for the gastronomy and hotel sector, featuring Sitness dynamic-movement seating for bars, restaurants, hotels and catering venues.
• Sitness 3D Stool AGR-certified 3D-printed stool using 100% recycled PETG, featuring a base plate that delivers free-swinging 360-degree movement via the Sitness 3D mechanism.
• Sitness Home S'Cool children's chair AGR-certified children's seating solution designed to promote healthy posture from an early age, suited to homework and learning use at home or in school.

Quantifiable outcome

• 446.74% increase in net profit attributable to parent in Q1-Q3 2025

Named customers2 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered minor and core.

• Red Bull Gaming GardenminorGTM or Marketing Partner · 1 January 2024Partnership for gaming events and brand exposure at Red Bull Gaming Garden events. Showcases Sitness RS gaming chairs at gaming tournaments and events.
• Mike SüssercoreStrategic or Co-development Partner · 1 January 2024Celebrity chef collaboration creating Sitness Urban Salzburg by Mike Süsser collection for hospitality sector. Joint product development combining Sitness movement technology with hospitality design expertise. Collection launched at Intergastra Stuttgart and Internorga Hamburg.
• FC Augsburg (FCA)minorGTM or Marketing Partner · 1 January 2024Sustainability partnership supporting FCA Forest tree planting campaign. Part of regional community engagement and environmental responsibility initiatives.
• GamechairminorStrategic or Co-development Partner · 1 January 2024Partnership with gaming chair specialist Gamechair for exclusive Gamechair collection. Combines Topstar's ergonomy expertise with Gamechair's gaming design.
• Michael Wagner Foundation KinderlachenminorGTM or Marketing Partner · 1 January 2024Corporate social responsibility partnership supporting disadvantaged children in Romania through Christmas gift campaigns. 100-300 parcels delivered annually. Sitness RS testimonial Huebi raised €140,000+ through charity livestream.
• Huebi (Tobias Hübenthal)coreGTM or Marketing Partner · 1 January 2024Gaming influencer and content creator as official Sitness RS testimonial. Partnership since 2022, made official October 2024. Face of Sitness RS Gaming in (E)Motion brand. Annual charity livestream #HuebiCharity raising funds for Kinderlachen Foundation.
• Rumänienhilfe Stauden e.V.minorGTM or Marketing PartnerRomanian charity organization for delivery of Christmas gift parcels to children in Romania. Operational partner for humanitarian aid logistics.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Interstuhl: German premium office seating manufacturer with comparable size, German production and B2B dealer-led GTM. Directly competes with Topstar in ergonomic office chairs in the DACH market and pursues similar "Made in Germany" positioning.
• Sedus Stoll: German office furniture and seating manufacturer of similar scale, headquartered in southern Germany. Overlaps directly with Topstar's office and corporate segment on ergonomic task chairs, dealer distribution and project business.
• Klöber GmbH: German premium office seating brand focused on ergonomic task chairs and executive seating. Closely comparable to Topstar on product, target buyer (DACH corporates) and Made-in-Germany quality positioning.
• Flokk (HÅG): European premium office chair group owning HÅG and other ergonomic seating brands. Competes with Topstar in dynamic/active ergonomic seating and shares a similar project-based, ergonomic-led value proposition.
• Kinnarps: European office furniture group with strong ergonomic seating portfolio. Comparable to Topstar in targeting DACH and Northern European corporates with dealer-led distribution and a focus on ergonomic office solutions.
• Secretlab: Singapore-based gaming chair specialist with global DTC scale and heavy influencer marketing. Directly competes with Topstar's Sitness RS line for premium gaming-chair buyers who care about ergonomics and brand.
• DXRacer: Pioneering gaming chair brand with established esports/gamer distribution. Competes head-to-head with Sitness RS in the gaming segment, although DXRacer's positioning is more style/lifestyle than back-health-driven.

Broad incumbents

• Steelcase: Global office furniture leader with deep ergonomic seating portfolio and large dealer network. Operates far above Topstar's scale but competes for the same corporate ergonomic seating budgets, especially in enterprise and project deals.
• MillerKnoll (Herman Miller): Global premium office furniture and seating group (Herman Miller, Knoll, etc.). Broader incumbent competing with Topstar on ergonomic task chairs, dynamic/active seating concepts, and international project business.
• Vitra: Swiss design-led furniture company with strong presence at Salone del Mobile and in European contract/hospitality segments. Adjacent incumbent relevant to Topstar's design-led hospitality (Sitness Urban) and Living/Outdoor ambitions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/topstargmbh
• YouTubeyoutube.com/@Topstar_gmbh
• Facebookfacebook.com/topstargmbh
• LinkedInlinkedin.com/company/topstar-gmbh
• Instagraminstagram.com/topstar_gmbh
• TikToktiktok.com/@topstar_gmbh

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 Topstar