What SIDIZ does

SIDIZ is a South Korea-based seating manufacturer and direct-to-consumer brand operating as a subsidiary of the Fursys Group, founded in 1994 with 251–500 employees and headquartered in Seoul. The company designs, engineers, and manufactures ergonomic office chairs at its Pyeongtaek plant, with a four-SKU core office lineup — the T80 premium (from $699, co-developed with ITO Design Germany), the T50 flagship high-performance chair (from $419; 3M+ units shipped across 62 countries since 2007), the T40 SE entry-level chair (from $399), and the T25 compact chair for petite users (from $355, featuring a patented weight-sensing auto-fit tilt). It has extended beyond office seating into adjacent categories with the GC Pro gaming chair ($1,353, with integrated cooling and LED lighting), the Ringo and iloom kids furniture sub-brands, and DESKER computer desks.

The company's technology moat rests on two granted patents — the Ultimate Sync tilting mechanism (Patent No. 10-1533650) and the Auto-Fit tilt (Patent No. 01-2012-7029858) — supported by GREENGUARD and ANSI/BIFMA certifications and a portfolio of international design awards. SIDIZ sells primarily through its Shopify-powered sidiz.com storefront with an interactive product quiz, supplemented by wholesale via the Faire marketplace, a bulk-order enterprise program (up to 15% volume discount), and Affirm buy-now-pay-later financing. Revenue is generated almost entirely from one-time hardware sales across consumer, SMB, and enterprise customer segments, with a small accessories and never-expiring gift-card tail.

Name

SIDIZ

Legal name

SIDIZ

Website

https://sidiz.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

251–500 employees

Short description

SIDIZ is a South Korea-based ergonomic seating manufacturer (Fursys Group subsidiary, founded 1994) that designs, produces, and sells a tiered line of office, gaming, and kids chairs — flagship T50, premium T80, entry T40 SE, compact T25, and gaming GC Pro — directly to consumers via sidiz.com and through wholesale and bulk enterprise channels.

Ownership category

akta.pro rank

Product category

Ergonomic Office Chairs

NAICS

Office Furniture (including Fixtures) Manufacturing (3372), Furniture Retailers (449110), Furniture and Home Furnishings Retailers (4491)

SIC

Office Furniture (2520), Household Furniture (2510), Retail-Furniture Stores (5712)

akta.pro primary industry

Home Office Furniture Retail (Desks, Office Chairs, Bookcases, Filing/Storage) (CRAIAAAD)

Keywords

• Ergonomic office chairs
• Gaming chairs
• Office seating
• Kids study chairs
• Ergonomic furniture

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Chair Sales (Hardware): Primary revenue from selling ergonomic office chairs, gaming chairs, kids chairs, and accessories. Products are sold at one-time purchase prices with various color and configuration options.
2. Bulk/Business Orders: Volume sales to business customers with discounts up to 15%, targeting corporate offices and enterprise deployments.
3. Gift Cards: Digital gift cards sold in denominations of $50, $100, $250, $500, and $1,000, never expiring and applicable to all products including new releases.
4. Accessories and Replacement Parts: Revenue from replacement seat cushions ($79), headrests ($69), and other accessories compatible with specific chair models.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

SIDIZ designs, manufactures, and sells ergonomic office chairs across multiple tiers (premium T80, flagship T50, entry-level T40 SE, petite T25), gaming chairs (GC Pro), and kids furniture (Ringo, iloom). Products are sold primarily direct-to-consumer via sidiz.com, with additional wholesale distribution through Faire and dedicated bulk-order programs for business customers. The company supports its products with up to 15-year warranties and GREENGUARD/ANSI-BIFMA certified construction.

Product overview

SIDIZ is a progressive seating brand under Fursys Group, offering a portfolio of ergonomic office chairs, gaming chairs, and kids furniture. The core product line consists of four office chair models: T80 (premium, with ITO Design Germany collaboration), T50 (flagship high-performance), T40 SE (entry-level), and T25 (compact/petite). The recent GC Pro gaming chair expansion introduces LED lighting and cooling seat technology. Supporting products include accessories (seat cushions, headrests), the iloom kids furniture sub-brand, DESKER desks, and gift cards. All chairs feature ANSI/BIFMA compliance and GREENGUARD certification.

Differentiator

Problem solved

Functional benefit

Brands

• iloom: Family brand offering furniture for children including desks and chairs, trusted by over 1 million Korean families.
• DESKER
• GC Pro

Products and services

• T80 Premium Ergonomic Office Chair Premium ergonomic office chair developed with ITO Design Germany, featuring the patented Ultimate Sync tilting mechanism with 138 harmonized components, 4-step multi-limiter, forward tilt, seat depth adjustment, and lumbar support. Supports up to 275 lbs, GREENGUARD certified, starting at $699.
• T50 High Performance Ergonomic Office Chair Flagship high-performance ergonomic chair with S-curve backrest design and 10+ adjustable functions (headrest, lumbar support, armrest, seat height/depth, tilt angle/strength). Supports users 5'1" to 6'2" and has sold over 3 million units worldwide since 2007 across 62 countries. Starting at $374-$419 depending on color.
• T40 SE Entry Level Ergonomic Chair Entry-level ergonomic chair with adjustable headrest, 3D armrests, tilting angle/strength functions, and reclining tilt lock. Designed for daily home office use with modern styling and pop color options, starting at $308-$324.
• T25 Small Ergonomic Office Chair Compact ergonomic chair specifically designed for petite users 4'9" and over, featuring patented auto-fit weight-sensing tilt mechanism that automatically adjusts tilting strength based on individual user weight. Awarded five international design awards. Starting at $355.
• GC Pro Gaming Chair Performance gaming chair with LED Starlight ambient lighting (4 modes controllable via buttons or app), cooling seat with 3-level adjustment, 9-step armrest, dedicated gaming tilt, wing-type headrest, and polyurethane gaming casters. Hyper car-shaped ergonomic design inspired by premium sports cars. Priced at $1,353.
• Ringo Ergonomic Kids Chair with Footrest Ergonomic chair designed for children with adjustable components and footrest to support proper posture during study, part of the FOR KIDS category.
• iloom Family Brand (Kids Furniture) Family brand sub-line focused on kids furniture including the iloom Peanut Floor Table Set for Toddler (from $119) and other desks and chairs designed for children, emphasizing focused learning with comfort and organization. Now available in California.
• DESKER Computer Desk Computer desk product line under the DESKER brand, with the W1400*D700 model priced at $189 (on sale from $229).
• T50 Seat Cushion Replacement Replacement seat cushion for the T50 office chair, available in multiple cover colors. Cushion only at $79, with cover at $89. Includes 30-day trial and 3-year brand warranty.
• T50 Headrest Accessory Replacement headrest accessory for the T50 office chair, priced at $69 (on sale from $99).
• SIDIZ Gift Cards Digital gift cards sold in denominations of $50, $100, $250, $500, and $1,000. Never expire and are applicable to all SIDIZ products including new releases.

Quantifiable outcome

• T50 has sold over 3 million units since 2007, becoming one of Korea's best-selling office chairs
• +3 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature7 records

Partnerships

Five partnerships are on record, tiered core, minor and secondary.

• Fursys GroupcoreStrategic or Co-development PartnerSIDIZ is a brand under Fursys Group, a major Korean furniture and seating manufacturer. Fursys Group provides the manufacturing capabilities and corporate structure supporting SIDIZ's R&D and production operations.
• ITO Design GermanycoreStrategic or Co-development PartnerT80 chair is a product of collaboration with ITO Design Germany, bringing industry-leading ergonomic features and design expertise to SIDIZ's premium chair line.
• NellyRodiminorStrategic or Co-development PartnerFrench design agency NellyRodi consulted on T80 chair's color scheme, adding to its distinction as a globally acclaimed executive desk chair.
• Faire (Wholesale Marketplace)secondaryChannel Partner/ Reseller/ DistributorSIDIZ distributes products through Faire wholesale marketplace, enabling independent retailers to access SIDIZ products for resale.
• AffirmminorOthersFinancing partner offering customers 4 interest-free payments or monthly installments as low as $28-$59/mo for chair purchases.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Secretlab: Premium gaming chair brand (Titan, Omega) with strong direct-to-consumer positioning and cooling/comfort features, the closest head-to-head competitor to SIDIZ's GC Pro gaming chair.
• Herman Miller (MillerKnoll): Premium ergonomic office chair manufacturer (Aeron, Embody, Mirra 2) competing directly with SIDIZ's T80/T50 in the high-end ergonomic seating category for enterprise and home office buyers.
• Steelcase: Global office seating leader (Gesture, Leap, Series 1) offering ergonomic task chairs that overlap directly with SIDIZ's T-series lineup for corporate and home office customers.
• HÅG (Flokk): European ergonomic seating specialist (HÅG Creed, HÅG Capisco) known for distinctive tilting mechanisms, directly comparable to SIDIZ's patented Ultimate Sync and Auto-Fit tilt technologies.
• DXRacer: Gaming chair specialist (Drift, Boss, King) competing with SIDIZ's GC Pro in the gaming and esports segment, with established US distribution and gaming-channel partnerships.

Broad incumbents

• Haworth: Established contract furniture manufacturer with ergonomic task chairs (Soji, Zody) targeting corporate workspaces, competing with SIDIZ in enterprise procurement channels.
• IKEA (Markus / JÄRVFJÄLLET): Mass-market furniture retailer with office chairs (MARKUS, JÄRVFJÄLLET) that compete on price against SIDIZ's entry-level T40 SE and on global retail scale for WFH customers.

Emerging players

• Branch Furniture: DTC office furniture brand offering ergonomic task chairs (Branch Ergonomic Chair, Verve) at mid-tier price points, competing with SIDIZ's T40 SE and T25 in the direct-to-consumer channel.
• FlexiSpot: DTC ergonomic seating and standing desk brand with broad product line (BS8, OC14B) competing with SIDIZ's T-series and DESKER lines on price and online reach.
• Autonomous: Direct-to-consumer office furniture maker (SmartDesk, ErgoChair Pro, ErgoChair Core) overlapping with SIDIZ in ergonomic task chairs for home office and prosumer buyers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/SIDIZAMERICA

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 SIDIZ