STI Engineering Service

What STI Engineering Service does

STI Engineering Service Srl is a privately held Italian environmental engineering consultancy headquartered in Livorno, with an operational office in Cecina (Livorno province), serving clients exclusively within Tuscany. Founded in 2000 by Ing. Stefano Frosini, who has practiced in civil and industrial engineering since 1985, the firm delivers integrated environmental engineering services spanning acoustic and vibration investigations, electromagnetic field measurements, building construction design, HVAC and renewable energy plant design, fire prevention, workplace safety consulting, training courses, and judicial technical-legal consulting. The company addresses regulatory compliance, noise pollution mitigation, and environmental assessment needs for private companies, public entities and municipalities, and individual citizens.

The technical backbone combines specialized measurement instrumentation — including the SCS9003 continuous monitoring station, 01dB Solo, Bruel & Kjaer 2260, Svantek 958 analyzers, and a PMM 8053A EMF meter — with a software suite for environmental (Cadna-A, dB Trait, Evaluator, Svanpc++, Mithrà), building (dB Bati, Qualifier, Sonido), and architectural acoustics (Ramsete). Services are scoped from instrumental investigations through predictive modeling, remediation design, work supervision, inspections, and expert witness engagements.

The business operates on a sales-led, project-based professional services model with direct client outreach via phone, email, and the company website (sti-dba.it). There are no disclosed pricing models, no external investors, and no parent or subsidiary structure. The registered share capital is €10,400, indicating a small founder-operated firm. Customer relationships are sustained through founder reputation and a partnership ecosystem including Tecnoacustica, Peecker Sound, Luma, Intredesign, and Eleonora Frosini, which extends project delivery capability without internal headcount expansion.

Name

STI Engineering Service

Legal name

STI Engineering Service Srl

Website

https://sti-dba.it

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1–10 employees

Short description

STI Engineering Service Srl is a privately held Italian environmental engineering consultancy founded in 2000 by Ing. Stefano Frosini, based in Livorno and Cecina, serving private companies, public entities, and municipalities across Tuscany with integrated acoustic, vibration, electromagnetic field, building, and safety consulting services.

Ownership category

akta.pro rank

Product category

Environmental Engineering Consulting

NAICS

Engineering Services (54133), Testing Laboratories and Services (541380), Management, Scientific, and Technical Consulting Services (5416)

SIC

Services-Engineering Services (8711), Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Educational Services (8200)

akta.pro primary industry

Fire Safety Compliance, Risk Assessments & Training (Code Consulting) (IMAIAJAL)

akta.pro secondary industries

Health, Safety & Environment (HSE) Training (EDAGANAI), Safety, Compliance & Regulatory (OSHA/HSE/GxP) Certifications (EDAAANAJ)

Keywords

• Environmental engineering consulting
• Acoustic and vibration measurement
• Electromagnetic field assessment
• Building construction design
• Industrial plant engineering

Headquarters

HQ city

Cecina

HQ country

Italy

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Professional engineering consulting services for environmental engineering including acoustic measurements, vibration analysis, electromagnetic field assessments, building construction projects, installation design, safety consulting, training courses, and technical-legal consulting. Revenue is generated through project-based professional service engagements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

STI Engineering Service is an Italian environmental and industrial engineering consultancy that delivers measurement, design, and technical advisory services across acoustics, vibrations, electromagnetic fields, building construction, industrial plants, workplace safety, and fire prevention. The firm also provides accredited professional training courses and acts as a court-appointed technical expert in judicial proceedings. Service delivery is supported by a wide portfolio of certified measurement instrumentation and specialized modeling software.

Product overview

STI Engineering Service is an integrated environmental engineering services company founded in 2000, operating in civil and industrial engineering since 1985. The company offers a portfolio of professional services including acoustic and vibration investigations, electromagnetic field measurements, building construction design, plant engineering, technical judicial consulting, training courses, and workplace safety services. These services are delivered using proprietary instrumentation and specialized software tools for acoustic analysis (environmental, building, and architectural), energy analysis, safety compliance, and accounting. The company operates as a service-based firm rather than a software product company.

Differentiator

Problem solved

Functional benefit

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered core and minor.

• TecnoacusticacoreStrategic or Co-development PartnerCollaboration for noise insulation barriers for roads, railways, and industrial applications. Tecnoacustica provides specialized barrier solutions that complement STI Engineering Service's acoustic measurement and assessment capabilities.
• Peecker SoundminorStrategic or Co-development PartnerProfessional audio systems collaboration for projects requiring specialized sound equipment and expertise.
• LumaminorStrategic or Co-development PartnerCollaboration for external sound diffusion with low environmental impact, supporting outdoor acoustic projects.

Scale indicators2 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• Ramboll Group: Ramboll is a large global engineering, environmental and acoustics consultancy with offices across Europe, providing acoustic impact studies, vibration analysis, EMF assessments and building engineering at much greater scale than STI and serving overlapping public- and private-sector clients.
• Arcadis NV: Arcadis is a global design and engineering consultancy providing environmental, acoustic and building services to public and private clients in Europe, directly competing for the same municipal and industrial mandates STI pursues but with deeper resources.
• WSP Global: WSP is a multinational engineering consultancy with established acoustics, vibration and environmental practices delivering noise impact assessments, building design and safety services that overlap directly with STI's core offering, though at much larger scale and geographic reach.
• AECOM: AECOM is a global infrastructure consulting firm whose environment and building engineering practices deliver acoustic, vibration, EMF and safety services comparable to STI's portfolio, but as part of a far broader multi-disciplinary offering to municipalities and corporates.

Direct peers

• Tecnoacustica: Tecnoacustica is an Italian partner of STI that designs and supplies noise insulation barriers for roads, railways and industrial sites; while primarily a product supplier, it participates in acoustic mitigation projects in Italy that directly overlap with STI's measurement, impact assessment and remediation work.
• Acuson (Italian acoustic engineering consultancy): Acuson is a small Italian acoustic engineering consultancy providing environmental noise assessments, building acoustics, vibration analysis and EMF services — directly comparable in scale and service mix to STI Engineering Service and competing for the same municipal and industrial clients in Italy.

Others

• Brüel & Kjær (HBK): Brüel & Kjær (now part of HBK) supplies the 2260 analyzer and Qualifier software STI deploys; it is a leading global acoustic and vibration instrumentation manufacturer that also enables and shapes the broader noise/vibration consulting market STI serves.
• Svantek: Svantek is a Polish acoustic and vibration instrumentation manufacturer whose 958 analyzer STI uses; it supplies the hardware backbone for many acoustic consultancies and adjacent service providers across Europe.

Emerging players

• ACOEM Group (01dB, Ecophysics, Soft dB): ACOEM Group owns the 01dB brand whose Solo analyzer STI uses, and through its subsidiaries (Ecophysics, Soft dB, Metravib) delivers acoustic and vibration measurement solutions and consulting services that overlap with STI's instrumentation-led environmental engineering offering.
• Politecnico di Milano - Acoustics Group (spin-off consultancies): Italy's leading technical universities (Politecnico di Milano, Politecnico di Torino) spin out small acoustic and environmental engineering consultancies that compete with STI for municipal noise mapping, building acoustics and EMF measurement mandates across Italy.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks2 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/sti-engineering-service-srl

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 STI Engineering Service