Diona Construction Ltd.

What Diona Construction Ltd. does

Diona Construction Ltd. is a Glasgow-headquartered, UK-based civil engineering and utility infrastructure contractor serving telecommunications providers, power and utility companies, infrastructure developers, and the public sector. Founded around 2006 and led by founder William Docherty (35+ years industry experience), the company operates an integrated portfolio of six service divisions: Telecommunications Infrastructure Build (chamber construction, overhead/underground cabling, splicing, testing and commissioning, business and customer connections, MDU connections); Network Asset Maintenance & Repair (lifecycle services for telecom infrastructure, including emergency response and compliance); Complex Civil Engineering (utility-network groundworks and large-scale developments); Power Infrastructure Build (duct lay, chamber construction, reinstatement, cable installation and jointing); Traffic Management (temporary design, installation, maintenance of lane closures, multi-phase lights and contra flow); and a Training Division delivering vocational qualifications (NRSWA Streetworks, EUSR SHEA, SSSTS/SMSTS, PIA Smart Awards, First Aid, Confined Spaces, SVQ/NVQ).

The company's revenue model is project-based B2B services delivered through framework agreements and direct contract awards, with no public pricing and pricing negotiated project by project. Customer relationships include Openreach and the VM02 Network Expansion Framework (delivering 153,568 XGSPON FTTP homes across Scotland, 2023-2025) and Scottish Local Authorities through the LFFN programme (2020-2024). The go-to-motion is enterprise field sales — reputation, accreditation (NRSWA, EUSR SHEA, CITB, PIA Smart Awards, Openreach approved status), and framework incumbency drive contract wins rather than self-serve or digital channels. Headcount stands at approximately 45 employees, indicating heavy reliance on subcontracted field labour to deliver the documented contract volumes.

Diona is a privately held, founder-owned Scottish private limited company without disclosed external investment or parent ownership. Geographic reach spans the UK, though the majority of named flagship projects (VM02, LFFN) are Scotland-based. The firm is actively operating, having launched a refreshed website in 2026 alongside its 20th anniversary, with ongoing operations across all six divisions.

Name

Diona Construction Ltd.

Legal name

Diona Construction Ltd.

Website

https://dionaconstruction.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

Diona Construction Ltd. is a Glasgow-headquartered, UK civil engineering and utility infrastructure contractor delivering integrated telecoms build, network maintenance, power infrastructure, civil engineering, and traffic management services to telecom carriers, utility companies, infrastructure developers, and public sector clients.

Ownership category

akta.pro rank

Product category

Utility Infrastructure Construction

NAICS

Heavy and Civil Engineering Construction (237), Utility System Construction (2371), Power and Communication Line and Related Structures Construction (237130)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Underground Duct, Conduit & Manhole/Vault Construction (Telecom Civils) (IMAFAIAK)

akta.pro secondary industry

Outside Plant (OSP) Permitting, Make-Ready & Right-of-Way Construction Support (IMAFAIAJ)

Keywords

• Utility infrastructure construction
• Telecommunications network build
• Civil engineering services
• FTTP network deployment
• Power infrastructure installation

Headquarters

HQ city

Glasgow

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Infrastructure Construction Services: Project-based civil engineering and infrastructure construction services delivered across telecommunications, power, and civil engineering divisions. Revenue generated through contracted works including network builds, maintenance, and specialist installation services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Diona Construction Ltd. is a UK specialist utility infrastructure contractor delivering civil engineering, telecommunications, and power infrastructure services. The company provides turnkey FTTP/XGSPON network builds, network asset maintenance and repair, complex civil engineering, power infrastructure build, traffic management, and a vocational training division across the UK under framework agreements with major telecom providers and public sector clients.

Product overview

Diona Construction Ltd. is a civil engineering and utility infrastructure services company offering a unified portfolio of six integrated service divisions. The Telecommunications Infrastructure Build division provides full turnkey telecom services including chamber construction, cabling, splicing, and commissioning. The Network Asset Maintenance & Repair division covers emergency response and compliance services for telecom infrastructure. The Complex Civil Engineering division delivers infrastructure solutions for utility networks and large-scale developments. The Power Infrastructure Build division supports utility network construction from groundworks to commissioning. The Traffic Management Division provides design, installation, and maintenance of temporary traffic control systems. The Training Division offers vocational qualifications and safety training programmes for the utilities and construction sectors. Together, these divisions enable Diona to deliver end-to-end infrastructure services across the UK's telecommunications, power, and civil engineering sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Telecommunications Infrastructure Build Full turnkey telecommunications infrastructure services including chamber construction, overhead/underground cabling, splicing, testing and commissioning, business and customer connections, and multi-dwelling unit connections. Targeted at telecom network operators and infrastructure providers across the UK.
• Network Asset Maintenance & Repair Specialist network asset maintenance and repair services covering the full lifecycle of telecommunications infrastructure from emergency response to compliance and certification works. For telecom network operators and asset owners.
• Complex Civil Engineering Robust, high-quality infrastructure solutions across complex projects supporting utility networks, groundworks, and large-scale developments throughout the UK. For infrastructure developers and utility network operators.
• Power Infrastructure Build Construction and installation of resilient utility networks from initial groundworks to final commissioning, including duct lay, chamber construction, reinstatement, cable installation, and jointing. For power and utility companies in the UK.
• Traffic Management Division Comprehensive traffic management services including temporary traffic management design, site installation, maintenance and removal, lane closures, multi-phase traffic lights, and contra flow. For construction projects and public highway works.
• Training Division Vocational training programmes including NRSWA Streetworks, EUSR SHEA Telecoms/Power & Gas, SSSTS/SMSTS Site Safety, PIA Smart Awards, First Aid & Mental Health, Confined Spaces, Abrasive Wheels, and SVQ/NVQ qualifications. For utilities and construction sector workers.

Quantifiable outcome

• 153,568 XGSPON FTTP homes built in Scotland as part of Network Expansion Framework (VM02), 2023-2025
• +1 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered minor.

• HRNminorOthersEquipment partner supporting Diona's Pink Digger initiative - a specially commissioned digger to raise awareness for cancer and early detection. HRN provided support in bringing the project to life alongside Kubota.
• KubotaminorOthersEquipment manufacturer partner for Pink Digger initiative - a specially commissioned digger to support and raise awareness for cancer and the importance of early detection. Partnered with HRN and Diona on this community initiative.
• Macmillan Cancer SupportminorOthersCharitable partnership - Diona team held a charity coffee morning in support of Macmillan Cancer Support, demonstrating company commitment to supporting causes that affect employees and communities.
• GHA Rugby ClubminorOthersSports team sponsorship supporting community initiatives. Diona supports sports teams including GHA Rugby Club as part of wider commitment to supporting sport and community beyond immediate project areas.
• Culdaff FCminorOthersSports team sponsorship demonstrating wider commitment to supporting sport and community initiatives. Diona supports clubs with shared values of dedication, performance and development.

Scale indicators7 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Network Plus (now part of M Group Services): Multi-utility infrastructure contractor delivering telecoms, power, and water network build and maintenance across the UK. Highly comparable integrated services model and customer mix to Diona.
• Instalcom: Telecom and power infrastructure contractor offering civils, fibre, and utility build services across the UK. Comparable integrated delivery model to Diona.
• MJ Quinn Integrated Services: UK-wide telecom infrastructure contractor providing civils, fibre installation, splicing, and network maintenance for Openreach and major carriers. Closely comparable to Diona across the full telecom OSP value chain.
• Kelly Group: UK field services contractor specialising in telecom network build, maintenance, and civils for Openreach and major operators. Closely comparable services mix and customer base.
• Morrison Telecom Services: Telecom field services contractor delivering civils, cabling, splicing and maintenance for Openreach and other UK carriers. Directly comparable in core capabilities and customer base.
• Avonline Networks: UK fibre network builder focused on rural and urban FTTP rollouts, with strong Openreach and altnet relationships. Comparable to Diona in fibre civils and FTTP delivery scope.
• KN Circet: One of the largest telecom infrastructure contractors in the UK and Ireland, delivering fibre build, civils, and network maintenance for Openreach and other operators. Directly comparable to Diona in core OSP civils and FTTP delivery, but operating at substantially greater scale.

Regional players

• McGowan Group: Scotland-based civil engineering and utility infrastructure contractor serving telecom and energy clients. Closely comparable geographic and service overlap with Diona's Scottish operations, though smaller scale.

Broad incumbents

• Balfour Beatty: Major UK infrastructure group operating across telecoms, power, rail, highways and civils. Overlaps with Diona in utility and telecoms civils, but operates at vastly greater scale and broader portfolio scope.
• Kier Group: Large UK contractor with utilities, telecoms and infrastructure divisions. Comparable utility infrastructure capabilities but as part of a much broader construction portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/diona-construction-ltd-

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Diona Construction Ltd.