What Seastock does

Seastock Srl is an Italian coastal storage terminal operator headquartered in Chieti with its operational facility at the Trieste Oil & Gas terminal. Founded in 2014, it is a wholly-owned business unit of Tosto Group, a diversified Italian industrial conglomerate with 60+ years of history, 9 portfolio companies, and over 1,300 employees across Italy and Romania. Seastock's terminal provides bulk storage of petroleum products across 26 tanks totaling 130,000 m³ of capacity, split into 14 diesel tanks, 9 fuel oil tanks, and 2 crude palm oil (CPO) tanks, alongside blending with additives and color treatment, and bunkering operations for calling vessels.

The underlying technology is physical midstream infrastructure rather than software: two jetty berths (San Sabba 1 and 2) with manifolds at 11-meter depth accommodating vessels up to 30,000 DWT (up to 40,000 DWT in multi-configuration), plus multi-modal outbound loading capability through 3 diesel truck bays, 1 palm oil truck bay, 1 fuel oil truck bay, and 2 railway loading stations. This combination of deepwater marine access with rail and road egress positions the terminal as a logistics gateway between Mediterranean seaborne flows and Central/Eastern European land distribution.

Seastock's business model is B2B enterprise terminal services sold via direct sales engagement to oil companies, petroleum traders, and maritime operators. Revenue is generated through three streams: usage-based fees for tank storage (volume × duration), professional-service fees for blending and additive treatment, and transaction-based fees for bunkering delivered to vessels. Pricing is quote-based and not publicly disclosed, consistent with bespoke commodity logistics contracts. The company's primary geographic value proposition is its position as a supply-chain bridge into Central and Eastern European fuel and edible oil markets, leveraging its parent group's industrial relationships and counterparty standing.

Name

Seastock

Legal name

Seastock Srl

Website

https://seastock.it

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

11–50 employees

Short description

Seastock Srl is an Italian coastal terminal operator and Tosto Group subsidiary providing 130,000 m³ of petroleum and crude palm oil storage, blending, and bunkering services at the Port of Trieste for oil majors, traders, and maritime operators targeting Central and Eastern European markets.

Ownership category

akta.pro rank

Product category

Oil & Gas Terminal Storage Services

NAICS

Petroleum Bulk Stations and Terminals (424710)

SIC

Wholesale-Petroleum Bulk Stations & Terminals (5171)

akta.pro primary industry

Marine Terminals & Port Storage (Jetties, Docking, Bunkering Interfaces) (EUALAEAG)

akta.pro secondary industries

Liquid Bulk Petroleum Terminals (Crude, Refined Products) (TLAHABAH), Bunker Storage Terminals & Tank Farms (Onshore/Offshore) (TLAHAKAF), Hazardous Liquids & Specialty Chemical Terminals (Methanol, Solvents, Sulfur) (EUALAEAL), Marine Bunkering & Port Fuel Supply (EUALAIAG)

Keywords

• Oil product storage
• Petroleum terminal services
• Bulk liquid blending
• Bunkering operations
• Multi-modal fuel logistics

Headquarters

HQ city

Trieste

HQ country

Italy

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Supply Chain

Revenue model

1. Storage Services: Tank storage rental and handling services for petroleum products including diesel, fuel oil, and crude palm oil. Revenue generated through capacity usage fees based on storage volume and duration.
2. Blending Services: Product improvement through blending with additives, colour treatment, and additive application for petroleum products.
3. Bunkering Operations: Fuel supply services to vessels at the terminal, providing additional revenue stream from maritime customers.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Seastock Srl operates an oil and gas coastal storage terminal in Trieste, Italy providing bulk storage, blending, and bunkering services for petroleum products. The facility offers 130,000 m³ of total storage capacity across 26 tanks handling diesel, fuel oil, and crude palm oil (CPO), with multi-modal accessibility via vessel, truck, rail, and jetty. The company is a business unit of the Tosto Group and positions its Trieste terminal as a strategic gateway to Central and Eastern European markets.

Product overview

Seastock Srl is a coastal storage terminal operator providing integrated oil product logistics services. The company operates a single facility in Trieste, Italy, offering a portfolio of core services including bulk storage (26 tanks, 130,000 m3 capacity for diesel, fuel oil, and crude palm oil), blending with additives, and bunkering operations for vessels. Additional services include special handling (colouring, additive treatment) and dilution of accidental mix. The terminal provides multi-modal accessibility via vessel, truck, train, and jetty connections. The services are delivered as an integrated terminal operation rather than separate modular products.

Differentiator

Problem solved

Functional benefit

Products and services

• Storage Services Bulk storage of petroleum products including diesel (14 tanks), fuel oil (9 tanks), and crude palm oil/CPO (2 tanks) across 26 storage tanks totaling 130,000 m³ capacity at the Trieste terminal. Service is delivered to oil companies, petroleum traders, and industrial customers requiring capacity rental.
• Blending Services Product improvement services through blending with additives, colour application, and additive treatment for petroleum products, plus special handling for accidental mix dilution. Service is targeted at oil traders and industrial customers needing product customization to meet specific specifications.
• Bunkering Operations Direct fuel supply to vessels at the Trieste terminal jetty, serving maritime customers calling at San Sabba berths 1 and 2 which accommodate vessels up to 30,000 DWT (up to 40,000 DWT in multiple DWT configurations) with manifolds at 11 meters depth.
• Terminal Logistics (Multi-Modal Loading) Multi-modal logistics services through 3 diesel truckload stations, 1 palm oil truckload station, 1 fuel oil truckload station, and 2 railway loading stations, providing flexible loading options for petroleum distribution across road and rail networks.
• Special Handling Services Specialized handling services including colouring, additive treatment, and pick-up/dilution of accidental mix for petroleum products stored at the terminal. Targeted at customers requiring value-added product treatment beyond standard storage.

Quantifiable outcome

• 130,000 m³ total storage capacity serving regional markets
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Tosto GroupcoreStrategic or Co-development Partner · 1 January 2014Seastock Srl is a business unit/company of the Tosto Group since 2014. Tosto Group consists of nine companies located in Italy and Romania with over 1,300 employees and more than 60 years of history. Major group companies include Walter Tosto SpA, Walter Tosto WTB Srl (Romania), and Belleli Energy CPE Srl.

Scale indicators5 records

Recent moves3 records

Expansion highlights4 records

Direct peers

• Royal Vopak: Royal Vopak is the global leader in independent marine tank storage with terminals across Europe, including Italy. It directly competes with Seastock for petroleum and chemical storage customers in the Mediterranean and northern Adriatic basin.
• Oiltanking: Oiltanking operates a worldwide network of bulk liquid storage terminals handling petroleum, chemicals, and gases. Its European footprint, including Mediterranean hubs, makes it a direct rival for refining, trading, and bunkering customers served by Seastock.
• VTTI (Vitol Tank Terminals International): VTTI is a global independent tank storage player with significant European terminal assets in the Amsterdam-Rotterdam-Antwerp corridor and Mediterranean. It competes with Seastock for petrochemical and petroleum bulk storage customers across Europe.
• SIOT (Società Italiana per l'Oleodotto Transalpino): SIOT operates the TAL crude pipeline terminating at the Trieste port area and associated tank and jetty infrastructure. As the dominant in-port storage and jetting operator, it is Seastock's closest on-the-ground competitor at the same Trieste location.
• GATX Corporation: GATX operates a large global fleet of rail tank cars and storage terminals for bulk liquids, including petroleum. Its European storage and logistics operations make it a comparable bulk-liquid terminal operator to Seastock.

Regional players

• Adria Terminal (Adria Tank d.o.o.): Adria Terminal operates the Omišalj tank farm on Croatia's Krk island, offering seaborne petroleum storage for the Mediterranean and CEE markets. It competes with Seastock's Trieste gateway for Adriatic and central European petroleum flows.
• Transnafta (Serbia): Transnafta operates Serbia's crude oil pipeline and storage system linking the Adriatic to central European markets, complementary to Seastock's terminal but serving an overlapping CEE customer base for petroleum logistics.

Emerging players

• Zenith Energy (Zenith Energy Italy): Zenith Energy operates an inland and Adriatic-focused petroleum storage and logistics business in Italy, including assets near Trieste. It overlaps with Seastock's storage and petroleum product handling offering in the same regional market.

Broad incumbents

• ENI (Eni SpA): ENI is Italy's integrated energy major that owns refining, trading, and downstream storage assets, including extensive Trieste-area logistics infrastructure. While it operates primarily upstream and downstream, its storage arm shares customers and infrastructure context with Seastock's terminal.
• MOL Group: MOL Group is a Hungarian-headquartered integrated oil and gas major serving central and eastern Europe through refining, logistics, and retail. Its downstream storage network overlaps with the geographies Seastock targets via its Trieste gateway.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/seastocksrl
• LinkedInlinkedin.com/company/seastock-srl

Compliance1 record

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 Seastock