Testing, Inspection and Compliance Across Infrastructure Lifecycles

Phenna Group's Infrastructure Division delivers specialist testing, inspection, certification and compliance (TICC) services across the full lifecycle of infrastructure assets.

Supporting projects across transport, utilities, energy and the built environment, our companies provide the critical data, insight and technical assurance required to deliver safe, compliant and high-performing infrastructure.

Operating globally, we support clients from early-stage investigation and design through to construction, operation and long-term asset management.

CBR Testing on site

Our Infrastructure Services

We provide a comprehensive range of infrastructure services through our specialist companies, combining technical expertise with a practical, delivery-focused approach across every stage of the asset lifecycle.

Delivered Through Specialist Expertise

Our services are delivered through a network of expert companies, each bringing deep technical capabilities in their discipline while working collaboratively to support clients on complex infrastructure projects.

From localised investigations to large-scale, multi-disciplinary programmes, we provide consistent, high-quality delivery with a focus on technical excellence, reliability and practical outcomes.

Find the Right Service for Your Project 

Use our service search tool below to quickly identify the expertise you need across our Infrastructure Division.

Contact one of our teams today to learn how we can support your infrastructure project.

Can't find what you're looking for?

Contact us with your enquiry and we'll get back to you.

In the UK and Ireland, our companies include

ACS Logo

ACS provides construction materials testing, inspection and technical consultancy for the construction and environmental sectors, helping clients verify material performance, demonstrate compliance with specifications and make informed decisions throughout project delivery.

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Celtest Logo

Celtest delivers UKAS-accredited laboratory and on-site testing of soils, aggregates, asphalt, concrete, water and hydraulically bound materials, providing inspection data that helps construction and infrastructure clients demonstrate quality and compliance.

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CGL Logo

CGL combines geotechnical and geoenvironmental investigation, testing, inspection and compliance consultancy to help infrastructure and development clients understand ground conditions, manage contamination and geotechnical risk, and progress projects with greater technical certainty.

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Concept Logo

Concept delivers site investigation, laboratory testing, instrumentation, monitoring and surveying, providing inspection evidence and compliance-focused ground data that supports safe design, construction and long-term asset performance.

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Construction Testing Services Logo

Construction Testing Services, now part of Simtec, provides construction materials testing and site inspection across Northern Ireland, helping contractors verify soils, aggregates, concrete and asphalt against project specifications and maintain construction quality and compliance.

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CTS Logo

Construction Testing Solutions delivers UKAS-accredited materials testing, site investigation, structural and pavement inspection, calibration, surveying and monitoring services, helping construction and infrastructure clients verify quality, manage risk and demonstrate compliance across the project lifecycle.

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Ecology Solutions Logo

Ecology Solutions provides ecological surveys, habitat inspection, biodiversity assessment and environmental compliance consultancy, helping developers and infrastructure clients meet planning and wildlife legislation, secure consent and deliver effective mitigation and biodiversity outcomes.

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ECT delivers MCERTS- and UKAS-accredited chemistry and microbiology testing for soils, leachates, water and construction materials, providing reliable analytical evidence that helps clients verify quality, assess contamination and demonstrate environmental and project compliance.

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GSTL Logo

GSTL provides laboratory and on-site testing and inspection of soils, rock, aggregates and concrete, supplying accurate geotechnical and materials data that helps clients confirm performance, satisfy specifications and reduce construction risk.

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In Situ Logo

In Situ Site Investigation delivers specialist geotechnical and geoenvironmental investigations using Cone Penetration Testing and complementary in situ testing techniques, providing high-quality inspection data that supports design decisions, risk assessment, and regulatory compliance.

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Mason Evans Logo

Mason Evans provides geoenvironmental and geotechnical investigation, testing and compliance consultancy, helping clients assess land quality, manage contamination and ground risk, and develop practical solutions for planning, remediation and construction.

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PSL Logo

PSL provides UKAS-accredited geotechnical and construction materials testing, delivering laboratory evidence that helps engineers and contractors verify soil and material properties, support ground investigations and demonstrate compliance with project requirements.

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RammSanderson Logo

RammSanderson delivers ecological surveys, arboricultural inspections, flood risk assessments, and environmental compliance consultancy, alongside habitat creation and management services that help clients secure planning consent, protect biodiversity, and manage environmental obligations.

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Silkstone Logo

Silkstone provides environmental, geotechnical, planning and surveying services for quarrying, landfill and construction clients, combining site investigation, inspection and compliance support to manage land, permitting and operational risk.

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Simtec Logo

Simtec delivers laboratory and site testing and inspection of soils, asphalt, concrete, aggregates, and hydraulically bound materials, helping civil engineering, construction, and quarrying clients verify performance, maintain quality assurance, and meet project compliance requirements.

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SWG Logo

SWG combines ground investigation, geotechnical consultancy, drilling and UKAS-accredited laboratory testing, providing inspection evidence and technical assurance that helps clients understand ground conditions and deliver safe, compliant projects.

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STM Logo

STM Environmental delivers environmental assessment, inspection, and compliance consultancy for public- and private-sector clients, helping organisations identify environmental risks, navigate planning and regulatory requirements, and implement proportionate management solutions.

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Testall Logo

Testall provides materials testing, site investigation and geotechnical inspection across Ireland, delivering reliable technical evidence that helps contractors and consultants verify quality, understand ground conditions and meet construction and regulatory requirements.

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XAIS-PTS Logo

XAIS-PTS delivers infrastructure asset inspection, surveying, engineering consultancy and accredited asset management systems, helping owners capture reliable condition data, demonstrate governance and compliance, optimise maintenance and improve whole-life asset performance.

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In Australia and America, our companies include

ASCT logo

ASCT provides NATA-accredited geotechnical, soil and concrete testing and site inspection services, helping Australian construction and infrastructure clients verify material quality, understand ground performance and demonstrate compliance with project specifications.

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ATL Logo

ATL provides geotechnical engineering, environmental services, construction materials testing and special inspection, helping clients across the United States verify quality, manage site and regulatory risk and deliver compliant infrastructure and building projects.

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Briggs Engineering Logo

Briggs delivers geotechnical engineering, construction materials testing, special inspections and building envelope assessment, helping New England clients verify construction quality, demonstrate code compliance and manage ground and moisture-related risk.

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Civiltest Logo

Civiltest delivers geotechnical engineering, site investigation, laboratory and field testing and inspection across Australia, providing quality-assured ground and materials data that helps mining, infrastructure and development clients manage risk and meet project requirements.

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ISGroup Logo

ISGroup provides surveying, geospatial inspection, structural monitoring, utility detection and digital modelling services, helping infrastructure owners capture accurate asset data, verify condition and compliance, manage risk and support informed lifecycle decisions.

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MLA Geotechnical Logo

MLA Geotechnical provides geotechnical engineering, drilling, laboratory and field testing and construction inspection, helping clients understand subsurface conditions, verify materials and foundations and satisfy technical and regulatory requirements.

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In EMEA, our companies include

ITS logo

ITS Controlli Tecnici delivers design review, technical inspection, project control and compliance verification for major infrastructure and complex building projects, helping clients manage technical risk, demonstrate regulatory conformity and improve delivery assurance.

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Built Environment

The Built Environment Division provides TICC expertise that covers buildings and building products.

Built Environment
Construction site meeting with a handshake

Certification & Compliance

The Certification and Compliance Division provides TICC expertise that covers people, process, and products.

Certification and Compliance
People working in the laboratory

Food & Life Sciences

The Food & Life Sciences Division provides TICC expertise to food, environmental, pharmaceutical, and med tech sectors.

Life Sciences
An industrial welder at work

Industrials

The Industrials Division provides TICC expertise to marine, offshore, petrochemicals, renewables, fabrications, industrial, aerospace, and metals & minerals sectors.

Industrials

Frequently Asked Questions