Vinolok

What Vinolok does

Vinolok, a.s. is a Czech-headquartered manufacturer of decorative glass closures for premium wine and spirits bottles, operating from Jablonec nad Nisou with 101-250 employees and private ownership. The company's core product is a glass closure system that pairs a proprietary glass stopper with an ethylene-vinyl acetate (EVA) sealing ring supplied by DOW Chemical, producing a hermetic seal as an alternative or complement to traditional cork. The portfolio spans four tiers — Classic, Duet, Edge (creative shapes), and Premium (metal-glass combinations) — addressing progressively higher positioning in the premium packaging segment. Independent validation has been conducted through a 60-month study by the Australian Wine Research Institute (AWRI) and supporting testing at Geisenheim University.

The company sells through a B2B hardware model with quote-based pricing and custom volume contracts. Distribution reaches 50+ countries primarily through a partnership with Amorim Cork, the world's largest cork producer, supplemented by regional specialty distributors and a dedicated Italian subsidiary (Vinolok Italia Srl). Customer adoption is concentrated in premium wineries globally, with named accounts including Château Puech-Haut, J.B. Becker, Fantini, Viña Las Perdices, and Vicente Gandía, with reference dates spanning 2020-2023. The company cites cumulative production of hundreds of millions of bottles sealed, indicating multi-year operational scale rather than nascent market entry.

Founded in 1893, Vinolok has built a niche position in specialty industrial manufacturing for premium beverage packaging. Revenue is generated from physical product sales rather than licensing or services, with margin profile reflecting premium pricing on a differentiated glass product. There is no disclosed revenue, no funding rounds, and no public-company financial reporting, which limits financial visibility but is consistent with a privately held, founder- or family-controlled European industrial business.

Name

Vinolok

Legal name

Vinolok, a.s.

Website

https://vinolok.com

Company type

Private

Founded year

1893

Operating status

Operating

Headcount range

101–250 employees

Short description

Vinolok, a.s. manufactures premium decorative glass closures for wine and spirits bottles, distributed globally through Amorim Cork and regional partners to premium wineries in 50+ countries from its Czech base.

Ownership category

akta.pro rank

Product category

Wine and Spirits Bottle Closures

NAICS

Glass Container Manufacturing (327213), Other Pressed and Blown Glass and Glassware Manufacturing (327212)

SIC

Glass Containers (3221), Glass & Glassware, Pressed Or Blown (3220)

akta.pro primary industry

Custom Closures & Closure Decoration (Coloring, Printing, Metallization) (IMALALAO)

akta.pro secondary industries

Alcoholic Beverage Packaging & Closures Brands (Bottles, Cans, Kegs, Corks, Caps) (CRADAIAK), Specialty & Decorative Glass Packaging (Custom Shapes, Embossed, Premium) (IMALAEAE)

Keywords

• Glass bottle closures
• Wine bottle stoppers
• Spirits bottle sealing
• Premium bottle packaging
• Glass closure manufacturing

Headquarters

HQ city

Jablonec Nad Nisou

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Glass Closure Sales: Vinolok generates revenue through the sale of glass closures to wine and spirits producers worldwide. The closures are sold in multiple collections (Classic, Duet, Edge, Premium) with various customization options including printing, laser engraving, hot foil stamping, embossing, and color coating. The company offers direct sales through their sales team and distributes through an extensive global network of regional distributors and partners.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Vinolok manufactures and sells customizable glass closures for wine and spirits bottles, organized into four collections (Classic, Duet, Edge, Premium). The closures use an EVA sealing ring and are sold globally through direct sales and a network of regional distributors, with options for custom design, printing, and embossing.

Product overview

Vinolok is a glass closure manufacturer for wine and spirits bottles, offering four main product collections: Vinolok Classic (the original glass closure in clear, rosé, and noir variants), Vinolok Duet (wood and glass combination in multiple shapes), Vinolok Edge (creative forms), and Vinolok Premium (luxury top-tier with metal elements). The closures work as part of a system including compatible bottles and capsules, with sealing rings made of DOW EVA material. Customization options include printing, embossing, lasering, and color coating. The product portfolio is complemented by design options and custom closure services.

Differentiator

Problem solved

Functional benefit

Brands

• Vinolok Classic: The original version of the glass closure, available in transparent, rosé, and black glass variants
• Vinolok Duet
• Vinolok Edge
• Vinolok Premium

Products and services

• Vinolok Classic The original glass closure, available in Clear (transparent), Rosé (pink glass), and Noir (black glass) variants in low-top and high-top versions. Suitable for bottleneck sizes 17.5, 18.2, 18.5, 20.0, 21.5, and 23.0 mm. Designed for premium wine and spirits producers seeking a distinctive, recyclable alternative to cork or synthetic closures.
• Vinolok Duet Glass closure combining wood and glass in a harmonious design. Available in variants: Block, Cone, Drum, Loop, Echo, Lake, and Hover. Sizes: 18.5, 21.5, 23.0 mm (18.2 and 20.0 on request). Designed for premium wine and spirits producers seeking distinctive wood-glass aesthetic combinations.
• Vinolok Edge Glass closure available in a variety of creative and unique shapes for distinctive bottle packaging. Designed for premium wine and spirits producers seeking unconventional, visually distinctive closure forms.
• Vinolok Premium The highest-tier glass closure collection featuring Aurora (large glass disk), Onix (smooth metal disk), and Titus (large metal disk) variants. Designed for luxury packaging with bottleneck sizes 21.5 and 23.0 mm. Targeted at ultra-premium wine and spirits producers.
• Custom Closures Custom-designed glass closures tailored to specific bottle and branding requirements for premium wine and spirits producers seeking unique packaging solutions.

Quantifiable outcome

• Wines sealed with Vinolok maintain freshness and character for decades, with 2001 vintage Sangiovese remaining 'unbelievably young' after years of aging
• +4 more outcomes

Named customers15 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered core, primary and supporting.

• DOW ChemicalcoreTechnology or IntegrationDOW supplies the EVA (Ethylene Vinyl Acetate Copolymer) material used for Vinolok's sealing rings. This material is PVC and phthalates-free, compliant with European regulations for materials intended to come into contact with beverages. The DOW partnership is critical to Vinolok's product quality and regulatory compliance.
• Amorim CorkcoreChannel Partner/ Reseller/ DistributorAmorim Cork, the world's largest cork producer, serves as a key distribution partner for Vinolok in multiple markets including USA, Australia, Hungary, Portugal, Spain, Italy, South Africa, Mexico, and Switzerland. Amorim represents Vinolok closures to their extensive wine industry customer base across these regions.
• Vinolok Italia SrlprimaryChannel Partner/ Reseller/ DistributorDedicated Italian subsidiary company managing Vinolok sales and support in Italy with team members Filippo Peroni and Alan Legovic Cunjac.
• Australian Wine Research Institute (AWRI)supportingStrategic or Co-development PartnerAWRI conducted independent performance benchmarking testing of Vinolok closures, publishing a 60-month comparative analysis report on wines sealed with Vinolok versus alternative closures. This research validates Vinolok's performance claims.
• Geisenheim UniversitysupportingStrategic or Co-development PartnerGeisenheim University in Germany conducted independent bottling trials and 36-month aging studies on Vinolok closures, providing scientific validation of closure performance.
• Versuchs und Lehranstalt für Brauerei in BerlinsupportingStrategic or Co-development PartnerBerlin brewing institute conducted HACCP risk analysis reference documentation for bottles sealed with Vinolok, supporting food safety compliance requirements.

Scale indicators4 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Nomacorc (Vinventions): Vinventions' Nomacorc brand is the leading synthetic wine closure producer and the most direct alternative to natural cork and glass closures in the premium wine segment — competing head-to-head with Vinolok for winery adoption. It is also a current Vinolok distribution partner in China, making it a competitor-and-partner hybrid.
• DIAM (Oeneo): Oeneo's DIAM brand produces technical cork closures with controlled OTR and TCA elimination, competing directly with Vinolok for premium wine producers seeking a non-natural-cork closure. Targets many of the same biodynamic and sulfite-free wineries in Vinolok's customer base.
• Cork Supply Group: Global cork closure supplier offering natural cork, technical cork (Neutrocork), and other closure types to wine producers — directly competing with Vinolok for the same premium winery accounts.

Emerging players

• Saverglass: Premium glass bottle producer serving the same ultra-premium wine and spirits customers as Vinolok; complementary rather than directly competing, but operates in the same premium glass-packaging value chain and customer set.

Regional players

• Bericap: Global manufacturer of plastic closures and caps for beverages including wine and spirits. Competes in the broader beverage closure market though its plastic/screw cap range targets different price tiers than glass closures.

Broad incumbents

• Pelliconi: Italian manufacturer of bottle closures for beverages (wine, spirits, oil, water) and a broad-incumbent competitor with overlapping customers in the Italian and European premium wine/spirits market.
• Verallia: Large European glass packaging manufacturer producing bottles and jars for wine, spirits, food, and cosmetics. Adjacent rather than directly competing in closures, but operates in the same glass packaging value chain serving many of the same beverage customers.
• Amorim Cork: World's largest cork producer and a key distribution partner for Vinolok across multiple markets. Competes with Vinolok through its natural and technical cork portfolio while simultaneously distributing Vinolok closures — making it both incumbent competitor and channel partner.
• Guala Closures: Major global producer of premium closures for spirits, wine, and beverages, with metal, plastic and composite offerings. Closely comparable to Vinolok in targeting premium spirits packaging (gin, whisky) with premium-tier closures.

Others

• Preciosa Group: Czech glass and crystal group whose Sharepoint hosts Vinolok's partner portal, indicating Vinolok is housed within or closely affiliated with Preciosa. Preciosa supplies glass manufacturing capability, raw materials, and likely corporate infrastructure for Vinolok closures.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xinstagram.com/vinolok_global
• YouTubeyoutube.com/channel/UCPHUtqS1SLR2lWD86L1vW6A
• Facebookfacebook.com/vinolokitalia
• LinkedInlinkedin.com/company/vinolok

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

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 Vinolok