VSL

What VSL does

VSL is a calibration facility operating in the flow metering domain, providing SI-traceable calibration services for gaseous carbon dioxide. Its core technical offering addresses the Carbon Capture, Utilization and Storage (CCUS) industry, where verified CO2 flow measurements are required for process control, custody transfer, and regulatory compliance. The facility tests at flows up to 400 m3/h and pressures of 31 bar(a), using Coriolis meters and critical flow Venturi nozzles as primary calibration references.

VSL's distinguishing capability is its participation in international interlaboratory comparison studies alongside peer national metrology and certification bodies including NEL (UK), INRIM (Italy), DNV (Norway), and FORCE (Denmark). In the 2026 study, VSL's results at intermediate-scale facilities fell within INRIM's Calibration and Measurement Capability (CMC) values, validating measurement equivalency. Across participating laboratories, 91% of test points using Coriolis meters passed equivalency criteria.

The business model is consistent with that of a national metrology institute: services are delivered directly to industrial clients and other calibration laboratories, with revenue derived from calibration fees rather than disclosed pricing. The company reaches its market through scientific publications and international metrology collaborations rather than commercial marketing channels. Data quality note: the firm's website (vsal.net) and firmographic records describe unrelated businesses (a Korean consumer loan information site and an e-sports content company respectively); the analysis above is based on the substantive calibration-focused data block attributable to.

Name

VSL

Legal name

VSL

Website

https://vsal.net

Company type

Private

Founded year

2016

Operating status

Operating

Short description

VSL is a flow metering calibration facility providing SI-traceable calibration services for gaseous carbon dioxide, serving the Carbon Capture, Utilization and Storage (CCUS) industry with validation from international interlaboratory comparison studies alongside NEL, INRIM, DNV, and FORCE.

Ownership category

akta.pro rank

Product category

Calibration & Measurement Services

NAICS

Testing Laboratories and Services (541380)

SIC

Services-Testing Laboratories (8734)

akta.pro primary industry

Industrial & Energy MRV (Facilities, Renewables, Methane, Process Emissions) (EUABACAI)

akta.pro secondary industry

Data Assurance, Audit & Attestation (ISAE 3000/3410, SOC, Chain-of-Custody) (EUABACAJ)

Keywords

• Flow calibration services
• SI-traceable measurement
• CO2 flow metering
• Coriolis meter calibration
• Carbon capture metrology

Headquarters

HQ city

Doksansadong

HQ country

South Korea

HQ region

Asia

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Infrastructure

Core offering

VSL provides SI-traceable flow metering calibration services for gaseous carbon dioxide at flows up to 400 m3/h and pressures of 31 bar(a), serving the Carbon Capture, Utilization, and Storage (CCUS) industry. The company validates its measurement capabilities through interlaboratory comparison studies with other national metrology institutes, comparing results against CMC values to establish measurement equivalence for CO2 flow metering.

Differentiator

Problem solved

Functional benefit

Products and services

• SI-Traceable Flow Metering Calibration Services Provides SI-traceable calibration services for flow metering equipment using gaseous carbon dioxide at flows up to 400 m3/h and pressures of 31 bar(a), supporting the Carbon Capture, Utilization and Storage (CCUS) industry. Service encompasses Coriolis meter testing, critical flow Venturi nozzle calibration, and CMC validation across participating laboratories.

Quantifiable outcome

• 91% of test points using Coriolis meters passed equivalency criteria, confirming traceability for CO2 flow measurement across participating laboratories

Segments1 record

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core.

• NELcoreStrategic or Co-development Partner · 24 March 2026Participated alongside VSL in an interlaboratory comparison study for SI-traceable flow metering calibration with gaseous carbon dioxide, testing at flows up to 400 m3/h and pressures of 31 bar(a) for the CCUS industry
• INRIMcoreStrategic or Co-development Partner · 24 March 2026Collaborated with VSL in interlaboratory comparison for CO2 flow calibration. At intermediate-scale facilities, differences between VSL and INRIM results fell within their CMC values, validating measurement equivalence
• DNVcoreStrategic or Co-development Partner · 24 March 2026Participated in interlaboratory comparison study with VSL and other facilities for SI-traceable CO2 flow metering calibration supporting the CCUS industry
• FORCEcoreStrategic or Co-development Partner · 24 March 2026Participated in interlaboratory comparison study with VSL and other facilities for SI-traceable CO2 flow metering calibration supporting the CCUS industry

Recent moves4 records

Expansion highlights3 records

Direct peers

• FORCE Technology: Denmark-based technology institute operating flow calibration facilities for the energy sector and a co-participant with VSL in the CCUS CO2 interlaboratory comparison.
• INRIM (Istituto Nazionale di Ricerca Metrologica): Italian national metrology institute that ran an intermediate-scale CO2 calibration facility directly benchmarked against VSL in the same study.
• NEL (National Engineering Laboratory): UK national measurement laboratory operating large-scale CO2 flow calibration facilities and confirmed co-participant with VSL in the same SI-traceable CCUS interlaboratory comparison.
• NMi (Netherlands Measurement Institute): Dutch national metrology organization historically connected to VSL and active in flow and energy measurement; an obvious domestic peer with overlapping mandate in SI-traceable calibration.

Broad incumbents

• PTB (Physikalisch-Technische Bundesanstalt): German national metrology institute with extensive flow calibration capabilities and active CCUS measurement programs; a much larger incumbent that can serve as a substitute for VSL's offering in Central Europe.
• NPL (National Physical Laboratory): UK national measurement institute with published work on CO2 and CCUS flow measurement traceability; competes with VSL for European flow calibration mandates.
• DNV: Global certification, verification and standards body involved in CCUS measurement assurance; participated in the same VSL interlaboratory comparison and is a much larger, broader player in energy certification.
• NIST (National Institute of Standards and Technology): US national metrology institute with deep flow measurement programs; while not a direct CO2-CCUS specialist, it sets reference standards and methodologies that influence European CCUS calibration requirements.
• TÜV SÜD: Large industrial testing, inspection and certification group that operates flow calibration laboratories and serves CCUS and oil & gas customers; broader portfolio but overlapping measurement-services capability.

Emerging players

• Bureau Veritas: Global TIC provider increasingly active in CCUS MRV and emissions verification, with laboratory and field measurement services that could overlap with VSL's calibration and assurance scope.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• Facebookfacebook.com/vslgm

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about VSL