What Seth does

Seth GmbH is a Hamburg-headquartered, privately held garment manufacturer founded in 1971, operating a wholly-owned production subsidiary (Slam Clothing) in Bulgaria. The company produces woven garments — primarily shirts, workwear, uniforms, and protective clothing — for B2B private-label clients (including named enterprise customer Dyson) while concurrently running its own consumer-facing smart shirting brand, Soulution. Its core technology is woven garment manufacturing, layered with proprietary input technology (HeiQ Viroblock NPJ03 anti-viral textile finish applied at the final stage) and backed by GOTS, GRS, and OCS sustainability certifications at the Bulgarian production base.

The company differentiates on European production geography (HQ in Hamburg, manufacturing in Bulgaria) to deliver fast lead times, low minimum order quantities, and avoidance of customs delays for EU buyers — a positioning explicitly targeted at enterprises and retail leaders needing agile, mid-volume production. Beyond core contract manufacturing, the firm operates sustainability-adjacent service lines: Jersey Life (launched 2019) upcycles branded dead inventory from North American and European brands and sports clubs into masks, gym bags, and similar goods, and Inheritage (planned for 2021) is positioned as an own-brand line producing garments from fashion-industry deadstock fabric. Distribution is direct B2B; the own-brand Soulution line is distributed via the company website.

Commercially, Seth operates as a privately held GmbH under Managing Director Nitesh Seth, with no disclosed external investors, funding rounds, M&A activity, or parent-company relationships. Customer logos are sparse in public materials (Dyson being the only named enterprise), the headcount band is reported at 11–50, revenue is not disclosed, and the firm markets primarily through its own Squarespace-hosted website targeting enterprise procurement and retail-brand sourcing teams.

Name

Seth

Legal name

Seth GmbH

Website

https://sethgroup.com

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

11–50 employees

Short description

Seth GmbH is a Hamburg-headquartered, privately held garment manufacturer producing woven shirts, workwear, and uniforms via Bulgarian production subsidiary Slam Clothing, serving B2B private-label clients (including Dyson) and operating its own Soulution shirting brand.

Ownership category

akta.pro rank

Product category

Apparel Manufacturing

NAICS

Cut and Sew Apparel Contractors (315210), Cut and Sew Apparel Manufacturing (except Contractors) (315250)

SIC

Apparel & Other Finishd Prods Of Fabrics & Similar Matl (2300)

akta.pro primary industry

Apparel OEM/ODM & Private Label Manufacturing (CRAAAAAK)

Keywords

• Woven garment manufacturing
• Private label apparel
• Workwear uniforms
• Custom shirt making
• Protective clothing

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Private Label Manufacturing: Design, tailoring, and production of garments for private label clients including workwear, uniforms, and fashion brands. They serve as both manufacturer and brand owner with their own brand 'Soulution'.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Seth Group is a German garment manufacturer that designs, tailors, and produces workwear, uniforms, and private label clothing lines for businesses and brand clients, leveraging more than 50 years of shirt-making expertise. It operates European dual-location production (Hamburg headquarters and Bulgaria manufacturing via subsidiary Slam Clothing) and sells its own consumer smart shirting brand, Soulution. The company also runs upcycling initiatives including Jersey Life and a planned Inheritage line producing garments from deadstock fabrics.

Product overview

Seth Group is a garment manufacturing company with 50+ years of experience, operating as both a manufacturer and brand owner. The company offers a portfolio of products consisting of Workwear & Protective Wear (core product) and Tailoring services, combined with Private Label manufacturing for other brands. Their own branded offering is Soulution Shirts, which represents their consumer-facing smart shirting brand. The company also runs upcycling initiatives including Jersey Life (converting branded inventory into masks and gym bags) and the planned Inheritage line for deadstock fabric garments.

Differentiator

Problem solved

Functional benefit

Brands

• Soulution: Smart shirting brand - intelligently constructed, sustainable and comfortable shirts designed for dynamic people.
• Inheritage
• Jersey Life

Products and services

• Workwear & Protective Wear Exceptionally made uniforms and protective clothing for professionals, combining fashion-brand elegance with the comfort and durability required from performance workwear, targeted at businesses and organizations.
• Tailoring Services Custom shirting and garment production services bringing craftsmanship and sophisticated materials to create impeccable garments for clients requiring bespoke textile products.
• Private Label Manufacturing Full clothing line creation service for brands, leveraging Seth's design, tailoring, and production capabilities to present fully conceived clothing lines spanning a spectrum of consumer segments.
• Soulution Shirts Seth's own consumer brand of intelligently constructed, sustainable, and comfortable shirts designed for dynamic individuals who want style without compromising freedom of movement and comfort.
• Jersey Life Upcycling Service Upcycling service that helps brands and sports clubs across North America and Europe convert their branded old and unwanted inventory into masks, gym bags, and other useful textile products.

Named customers2 records

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Slam ClothingcoreOthersProduction partner facility Slam Clothing located in Bulgaria, receiving an 86% workplace conditions assessment score. This is Seth's strategic production base enabling European manufacturing with fast turnaround times.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Sioen Industries: Belgian protective and technical apparel manufacturer serving industrial, professional, and military markets. Comparable in functional/professional apparel manufacturing, European production, and B2B enterprise sales motion.
• Engelbert Strauss: German family-owned workwear and protective wear manufacturer with own-brand and B2B uniform programs. Directly comparable to Seth's European workwear/private-label model with similar geographic and customer overlap.
• Mascot International: Danish workwear manufacturer producing certified, functional workwear for trades and industrial customers in Europe. Comparable in product focus (workwear), European production footprint, and B2B sales approach.
• Seidensticker Group: German shirt and blouse manufacturer combining private-label production with own-brand retail. Closely matches Seth's hybrid manufacturer-plus-own-brand shirting model in the German market.
• Olymp Bezner: German shirt and businesswear manufacturer with own brand and contract-manufacturing activities. Comparable to Seth in menswear shirt focus, German production heritage, and B2B retail-supply model.
• Eterna Mode Holding: German shirt specialist combining own-brand retail with private-label and contract manufacturing. Directly comparable to Seth in shirt category focus, German heritage, and hybrid brand/manufacturer positioning.
• Fristads Kansas Group: Swedish-based workwear manufacturer offering branded and corporate uniform solutions across Europe. Closely comparable product portfolio (workwear/uniforms), European footprint, and B2B distribution motion to Seth.

Broad incumbents

• Uvex Group: German-headquartered protective equipment group with broad occupational-safety portfolio. Larger incumbent offering overlapping protective-workwear capabilities, though it spans a wider product range than Seth's specialist focus.
• CWS Group: European workwear and hygiene services provider operating rental, laundering, and uniform-supply programs. Overlaps with Seth's workwear/uniform customer base but at much larger scale via service-led model.

Others

• Klopman International: Italian manufacturer of technical and workwear fabrics supplying European uniform and corporate-garment producers. Adjacent to Seth as a likely upstream textile supplier in the same workwear supply chain.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/seth-gmbh

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 Seth