What Sonotech does

Sonotech Limited, founded in 1994 and headquartered in Trinidad & Tobago, is a privately held advanced non-destructive testing (NDT) services and proprietary inspection technology company. It serves industrial asset owners in oil & gas (upstream, midstream, and downstream), chemical and petrochemical, power generation, infrastructure, fabrication & welding, and defense, with field engineering delivery described as global despite the Caribbean base. Its core technology stack spans ultrasonic, electromagnetic, and acoustic methods — specifically TOFD, Phased Array Ultrasonic Testing (PAUT), Acoustic Emission, Pulsed Eddy Current (PEC), and high-temperature hydrogen attack (HTHA) imaging — used for corrosion detection, weld inspection, and asset integrity assessment on operating plants, pipelines, and offshore wells.

Sonotech's commercial offering combines project-based inspection services with proprietary equipment and a recurring licensing/training channel. Proprietary and patented systems include the SeeScan corrosion mapping system (ultrasound plus miniature video camera), HydroForm phased array corrosion mapping, the Asterix AUT system for small bore piping welds (co-developed with NEM Energy Systems B.V. / Siemens Heat Transfer Technology), the patented D&C PEC method for offshore well casing inspection, SonoPec PEC for corrosion under insulation, Pipe Explorer MFL robotic inline inspection, Tank Explorer for in-service storage tank floors, Heater Surveyor for furnace tubes, and ScanPlan inspection-planning software. Revenue is generated through three streams: per-project inspection service contracts, PEC equipment licensing bundled with training and support, and fees from an ISO 9712 / ASNT SNT-TC-1A accredited NDT training school delivered in English, German, and Dutch. The company sells via direct enterprise field sales to plant operators, integrity engineers, and maintenance managers, and operates only 8 disclosed employees, suggesting heavy reliance on contracted or mobilized field engineers per project. Certifications include TÜV Rheinland ISO 45001, ISO 9712, and inspection compliance with API 653, API 941, EN-ISO 10863, EEMUA 159, PED, ASME, and Def Stan, with ATEX/UL intrinsically safe equipment used for hazardous-area work.

Name

Sonotech

Legal name

Sonotech Limited

Website

https://sonotechtt.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Industrial Non-Destructive Testing (NDT) Inspection Services

NAICS

Testing Laboratories and Services (541380), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Services-Testing Laboratories (8734), Special Industry Machinery, Nec (3559)

akta.pro primary industry

Non-Destructive Testing (NDT) & Inspection Services (IMAIACAI)

akta.pro secondary industries

Non-Destructive Testing (NDT) & Advanced Inspection (Phased Array, TOFD, Guided Wave) (EUAEAKAF), NDT/NDE Inspection Equipment (Ultrasonic, eddy current, radiography, thermography) (IMAGAFAI), Corrosion Inspection & Coating/CP Surveys (CUI, CP, DCVG/ACVG) (EUAEAHAF)

Keywords

• Non-destructive testing services
• Pipeline integrity inspection
• Corrosion mapping solutions
• Phased array ultrasonic testing
• Offshore well inspection

Headquarters

HQ city

Trinidad

HQ country

Trinidad & Tobago

HQ region

Latin America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. NDT Inspection Services: Sonotech provides specialized advanced NDT inspection services including pipeline inspection (piggable, unpiggable, robotic, ultrasonic), corrosion mapping, weld inspection (TOFD, PAUT), HTHA detection, heater inspection, and storage tank inspection. Revenue is generated through project-based service contracts, typically charged per inspection job, day rate, or per weld/area inspected.
2. PEC Equipment, Training, and Support: PEC (Pulsed Eddy Current) equipment is available through a License Agreement. The company delivers PEC equipment, associated training, and ongoing support to clients. This is a combination of hardware sales and recurring service/support revenue.
3. Accredited NDT Training Courses: The company operates an accredited training school for advanced NDT (UT, TOFD, Phased Array) offering formal qualifications per ISO 9712 and ASNT SNT-TC-1A. Training is delivered in multiple languages (English, German, Dutch) globally. Revenue from course fees for Level 1, 2, and 3 certification programs.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Sonotech provides specialized advanced Non-Destructive Testing (NDT) inspection services and proprietary inspection technologies for industrial asset integrity. Offerings include pipeline inspection (piggable and unpiggable, robotic, ultrasonic), corrosion mapping, weld inspection via TOFD and PAUT, high-temperature inspection up to 485°C+, HTHA detection, offshore well D&C PEC inspection, storage tank and heater inspection, and accredited NDT training courses certified to ISO 9712 and ASNT SNT-TC-1A.

Product overview

Sonotech is a provider of advanced Non-Destructive Testing (NDT) inspection services and proprietary inspection technologies. The company operates a portfolio of proprietary solutions including the SeeScan corrosion mapping system, SonoPec Pulsed Eddy Current technology, ScanPlan inspection software, HydroForm phased array corrosion mapping, Heater Surveyor for furnace tube inspection, and Tank Explorer for robotic storage tank bottom inspection. Core services encompass pipeline inspection (including MFL robotic Pipe Explorer and ultrasonic free-swimming systems), high-temperature inspection up to 500°C, HTHA inspection, AUT inspection for small bore piping, offshore well D&C PEC inspection, and turn-around time reduction methodology. The company also provides accredited NDT training courses (UT, TOFD, Phased Array) and plant management consulting services. Sonotech operates primarily in the Oil & Gas, Chemical/Petrochemical, Power Generation, and Defense sectors with operations in the Caribbean and globally.

Differentiator

Problem solved

Functional benefit

Brands

• SonoPec: Pulsed Eddy Current (PEC) technology for corrosion detection and monitoring under insulation, coatings, and concrete.
• SeeScan
• Asterix AUT
• TATR
• ScanPlan

Products and services

• Heater Surveyor

Quantifiable outcome

• Reduce T/A intrusive inspection scope by up to 40% using RBI and TATR technologies (from a UK gas plant case study)
• +6 more outcomes

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

One partnership is on record.

• NEM Energy Systems B.V. / Siemens Heat Transfer TechnologycoreStrategic or Co-development PartnerDeveloped and patented the Asterix AUT inspection system for small bore piping welds in close cooperation with NEM Energy Systems B.V. / Siemens Heat Transfer Technology. The system covers outer diameter range from ؾ" (19mm) to Ø4" (100mm) and wall thickness 2.6 to 6.4mm, providing complete weld coverage including the root area for longitudinal and transverse indications.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Applus+: Global testing, inspection and certification (TIC) company with extensive NDT, asset integrity, and energy services divisions. Competes with Sonotech in industrial inspection but as part of a much broader multi-sector TIC portfolio rather than a specialist NDT focus.
• SGS: World-leading TIC group providing industrial inspection, testing, and certification across oil & gas, energy, and infrastructure. Overlaps with Sonotech in industrial NDT but competes from a much broader, multi-sector service portfolio rather than specialist advanced NDT.
• Intertek: Global TIC incumbent serving the energy sector with inspection, testing, and asset integrity services. Comparable buyer/competitor for industrial NDT work, particularly in oil & gas and power, but typically as part of multi-line framework contracts rather than bespoke advanced NDT.
• Bureau Veritas: Major TIC incumbent offering industrial inspection, asset integrity management, and oil & gas industry services. Comparable as a buyer of advanced NDT work and a competitor for asset integrity frameworks, though most of its TIC business sits outside advanced NDT specialization.

Direct peers

• T.D. Williamson: Specialized pipeline integrity and hot tapping services provider serving oil & gas operators worldwide. Comparable to Sonotech's pipeline inspection portfolio (piggable and unpiggable), with a more established North American and Middle East footprint.
• Mistras Group: US-listed provider of advanced NDT, inspection, and condition monitoring services to oil & gas, power, and aerospace customers. Direct competitor in advanced ultrasonic NDT (PAUT, TOFD) and asset integrity services, with a far larger field workforce and broader geographic reach.
• Rosen Group: Global leader in pipeline integrity inspection, offering in-line inspection tools, advanced NDT, and integrity services to oil & gas operators. Directly comparable to Sonotech's piggable ILI, unpiggable robotic, and pipeline integrity offerings, though at significantly larger scale.
• Intero Integrity Services: Provider of integrity inspection and industrial services for the hydrocarbon process industry, including pipeline, tank, and vessel inspection. Sonotech's own materials reference Intero Integrity Services, indicating close overlap in advanced NDT service offerings and customer base.
• TEAM Industrial Services: Provider of specialty industrial services including advanced NDT, inspection, and integrity solutions to the energy, refining, and petrochemical sectors. Direct competitor in field NDT and turnaround inspection services for refinery and petrochemical operators.
• NDT Global: Specialist in ultrasonic and electromagnetic in-line inspection of oil & gas pipelines, including crack detection and geometry services. Closely comparable to Sonotech's Piglet ILI and free-swimming UT inspection capabilities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

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• Instagraminstagram.com/sonotechtt

Compliance8 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 Sonotech