W D M

What W D M does

W.D.M. Limited is a UK-based engineering company founded in 1945 that designs, manufactures, and operates proprietary road condition surveying technology and modular asset management software for highway infrastructure operators. The company produces custom-engineered survey vehicles including SCRIM® (Sideway-force Coefficient Routine Investigation Machine) for skid resistance measurement, Road Assessment Vehicles (RAV) for high-speed condition monitoring (capturing roughness, macrotexture, rutting, GPS-referenced crack detection via machine vision), and Deflectograph systems for structural pavement assessment. These vehicles generate the standardised data inputs that feed into WDM's modular Pavement Management System (PMS) software platform supporting SCANNER, SCRIM, CVI, DVI, FNS, and UKPMS-aligned data analysis, lifecycle modelling, and scheme prioritisation.

WDM operates a four-pillar revenue model spanning surveying services (per-survey or network-assessment contracts with highway authorities), software licensing and support (PMS, UKPMS, Scheme Manager, Asset & Network Management, Reactive & Planned Maintenance, Contract & Claims Management modules on subscription-style agreements), data solutions (analysis, lifecycle planning, skid resistance strategy), and capital equipment sales (friction, texture, structure assessment, condition monitoring). Go-to-market is direct enterprise sales-led, with bespoke multi-year contracts targeting national highway authorities (e.g., National Highways, Welsh Government), local highway authorities (e.g., Devon County Council, Gloucestershire County Council), and private infrastructure owners. Operations span the UK (Staple Hill, Bristol headquarters), USA (Richmond, Virginia, since 2018-2019), and New Zealand (Plimmerton, Wellington) via wholly-owned subsidiaries.

The company is privately held and remains under Gardiner family ownership, with Chris Gardiner (the founder's grandson) serving as Managing Director. WDM holds multiple ISO certifications (9001, 27001, 45001), Cyber Essentials and Constructionline Gold pre-qualification, and sector accreditations including CS 228 (SCRIM), CS 229 (Deflectograph), and UKPMS Annual Health Check. In April 2026, WDM entered a strategic partnership with Metricell to integrate the SmartVision AI platform (trained on 11+ million images, identifying 120+ road condition criteria) into PAS 2161-compliant surveying services. US Federal Highways Administration awarded WDM's SCRIM vehicle an "exceptional" rating in 2017.

Name

W D M

Legal name

W.D.M. Limited

Website

https://wdm.co.uk

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

101–250 employees

Short description

W.D.M. Limited is a UK-based engineering company that designs, manufactures, and operates proprietary road condition survey vehicles (SCRIM®, RAV, Deflectograph) and modular Pavement Management System software for national and local highway authorities in the UK, USA, and New Zealand.

Ownership category

akta.pro rank

Product category

Highways infrastructure asset management

NAICS

Surveying and Mapping (except Geophysical) Services (541370)

SIC

Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Work Zone Intelligent Transportation Systems (WZ-ITS) & Temporary Signal Systems (TLAJACAN)

Keywords

• Road surveying services
• Highway asset management
• Pavement management software
• Skid resistance measurement
• Road condition monitoring

Headquarters

HQ city

Staple Hill

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales, Supply Chain

Revenue model

1. Surveying Services: Precision road data collection services including SCRIM surveys, RAV surveys, Deflectograph surveys, and Visual Condition Surveys delivered to highway authorities and government bodies. Services are typically contracted per survey or network assessment.
2. Software Licenses and Support: Pavement Management System software modules including PMS, UKPMS, Scheme Manager, Asset & Network Management, Reactive & Planned Maintenance, and Contract & Claims Management. Provided through software license agreements.
3. Data Solutions: Analysis and reporting services including Lifecycle & Maintenance Planning, Scheme Identification & Prioritisation, Skid Resistance Strategy, and network-level analysis to support maintenance decisions.
4. Products & Equipment: Sale of road condition assessment equipment including friction measurement, texture measurement, structure assessment, and road condition monitoring systems.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

WDM provides precision road surveying services, a modular pavement management software platform, data analysis solutions, and specialist road condition monitoring equipment for highways asset management. Offerings span SCRIM® skid resistance surveys, Road Assessment Vehicle (RAV) high-speed condition surveys, Deflectograph structural assessments, PAS 2161-compliant monitoring, visual condition surveys, the PMS/UKPMS/Scheme Manager software suite, lifecycle and skid resistance data services, and friction/texture/structural measurement equipment sold to government highway authorities.

Product overview

WDM offers a modular, integrated platform for intelligent road management combining surveying technology, asset management software, and data solutions. The core offering spans: (1) Surveying Services including SCRIM skid resistance surveys, RAV high-speed condition surveys, Deflectograph structural assessments, PAS 2161-compliant monitoring, and Visual Condition Surveys (CVI, DVI, FNS); (2) Software modules including the Pavement Management System (PMS), UKPMS, Scheme Manager, Visual Surveys Module, Asset & Network Management, Reactive & Planned Maintenance, and Contract & Claims Management; (3) Data Solutions for Analysis & Reporting, Lifecycle Planning, Skid Resistance Strategy, and Scheme Prioritisation; and (4) Specialist Equipment for friction, texture, structure, and condition monitoring. The software platform is modular by design, with modules integrating to create a unified intelligent system.

Differentiator

Problem solved

Functional benefit

Brands

• SCRIM®: A registered trademark for WDM's skid resistance survey technology and services, measuring Sideway-force Coefficient values to assess road surface friction under wet conditions.

Products and services

• SCRIM Surveys Specialist skid resistance surveys measuring Sideway-force Coefficient (SFC) values under wet conditions to assess surface friction and safety risk across road networks; delivered to highway authorities and government bodies.
• RAV Surveys High-speed vehicle-mounted surveys capturing continuous data on surface condition, texture, roughness, visible distress, cracking, rutting, and structural performance at up to 100 km/h.
• Deflectograph Surveys Pavement deflection surveys measuring structural strength under controlled load to assess remaining life and identify areas at risk of structural failure.
• PAS 2161 Surveys Road condition monitoring surveys compliant with PAS 2161:2024 standard, delivered using WDM Road Assessment Vehicles with approved mobile survey technologies and standardised processing methodologies.
• Visual Condition Surveys Manual inspections including Coarse Visual Inspection (CVI), Detailed Visual Inspection (DVI), and Footway Network Survey (FNS) for surfaces where automated surveys cannot reach, aligned with UKPMS standards.
• Bespoke Condition Surveys Tailored survey services combining visual, deflectograph, RAV, and skid resistance methods for comprehensive asset condition assessment.
• Pavement Management System (PMS) Modular software platform supporting multi-survey compatibility including SCANNER, SCRIM, DVI, CVI, FNS, TRACS, and Deflectograph data analysis with lifecycle modelling, scheme prioritisation, and investment planning.
• UKPMS Software Software module enabling local authorities to manage road networks in line with UK Pavement Management System specification, supporting SCANNER and CVI surveys for condition analysis and national reporting compliance.
• Scheme Manager Software Software module for refining, ranking, and delivering maintenance schemes, enabling planners to import prioritised treatments, apply local knowledge, and prepare delivery programmes with route editing, carbon scoring, and export features.
• Visual Surveys Software Module Software module enabling local authorities to record and manage surface defects using CVI, DVI, and custom inspection methods, built for mobile use with UKPMS alignment and supporting data capture, validation, and submission.
• Asset & Network Management Software Software module for optimising road networks with intelligent asset management solutions, linking visual data to asset histories, works, and inspections.
• Reactive & Planned Maintenance Software Software module for turning defects into tasks and tracking resolution workflows for daily and cyclical work plans.
• Contract & Claims Management Software Software module supporting claims validation and contractor performance audits, connecting scheme delivery with budget control and audit reporting.
• Analysis & Reporting Data Service Data analysis service transforming road data into actionable intelligence for maintenance planning and decision support.
• Lifecycle & Maintenance Planning Service Strategic planning service using survey data to inform decisions on when to intervene and whether minor repairs or structural treatment is required.
• Skid Resistance Strategy Service Specialist data analysis service for managing skid resistance across road networks using SCRIM data to inform surface treatments and safety interventions.
• Scheme Identification & Prioritisation Service Data-driven service for identifying and prioritising maintenance schemes based on condition data, risk assessment, and budget optimisation.
• Friction Measurement Equipment Specialist measurement equipment for assessing road surface friction and skid resistance performance.
• Texture Measurement Equipment Equipment for measuring road surface texture characteristics for pavement condition assessment.
• Structure Assessment Equipment Equipment for assessing pavement structural strength and load-bearing capacity.
• Road Condition Monitoring Equipment Vehicle-mounted and portable equipment for monitoring road condition parameters including roughness, rutting, cracking, and surface deterioration.

Quantifiable outcome

• Reduce road accidents through early detection of surface defects and skid resistance issues
• +3 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature6 records

Partnerships

One partnership is on record.

• Metricell (SmartVision)coreStrategic or Co-development Partner · 21 April 2026WDM collaborates with Metricell's SmartVision AI platform to deliver PAS 2161-compliant road condition surveying. The partnership combines WDM's highway surveying expertise with SmartVision's AI-powered computer vision capabilities (trained on 11+ million images) to provide comprehensive, scalable road condition monitoring with automated defect detection and classification.

Scale indicators4 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• Gaist Solutions: UK-based road infrastructure asset management specialist offering high-resolution pavement surveys and digital twin mapping for local authorities and utilities. Directly comparable to WDM as a UK-niche road condition data and asset management peer targeting the same highway authority buyers.
• International Cybernetics Corporation: US-based manufacturer of pavement measurement and analysis equipment including falling weight deflectometers and roughness/profile systems. Closely comparable to WDM as a manufacturer of structural and condition road survey equipment serving highway agency customers.
• Dynatest: Global supplier of pavement testing equipment and pavement engineering services, including FWD deflectographs, profilers and consulting. Highly comparable to WDM's Deflectograph product line and broader surveying services offering.
• Mandli Communications: US-based provider of high-speed digital road and runway data collection systems (LiDAR, video, profiler data) for asset management. Directly comparable to WDM's RAV-based high-speed condition survey capability for DOT and airport customers.

Broad incumbents

• Fugro: Large global geo-data specialist with a road asset management division offering pavement surveys and monitoring across infrastructure markets. Overlaps WDM's road data collection services but within a much broader offshore and land-survey portfolio.
• AECOM: Global infrastructure consulting firm whose Asset Management practice bundles pavement management software (e.g., Leveraging PavementView / AgileAssets) with engineering services — adjacent competitor to WDM's integrated software + services offering.
• Mott MacDonald: Global engineering consultancy with a highways and asset management practice delivering pavement management software and advisory to UK local authorities. Comparable to WDM at the software and strategy layer though part of a much larger consultancy.
• WSP Global: Major international engineering consultancy providing pavement management, asset management and highways advisory to authorities worldwide. Comparable to WDM as a buyer-side advisor and adjacent tech provider in the same accounts.

Emerging players

• RoadBotics (Michelin): AI-driven road condition assessment platform that uses smartphone-grade and dash-cam imagery to rate pavement — now part of Michelin. Comparable to WDM's emerging SmartVision AI capability but as a lower-cost, image-only alternative for budget-constrained authorities.

Regional players

• Pathway Services: US provider of pavement friction testing equipment (including locked-wheel and continuous friction measurement) and consulting. Comparable to WDM's SCRIM® friction measurement product line and skid-resistance strategy services, but primarily serving the US market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@w.d.mlimited9937
• LinkedInuk.linkedin.com/company/wdm-limited
• Xx.com/wdmlimited

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries2 records

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 W D M