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  • Who We Are

    Our Story

    We are a family of builders building amazing spaces across the US, Canada, UK, Ireland, and the Netherlands.

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    History

    Founded in 1971, we have grown into an organization made up of over 5,700 employees across 54 offices.

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    ST. PATRICK`S CATHEDRAL

    St. Patrick’s Cathedral, a New York City landmark building and one of the most revered Catholic Churches in the United States, underwent a major restoration and conservation project.

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    • Aviation
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    • Corporate Base Building
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    • Virtual Design & Construction
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    No matter the type of project, complexity or client, one thing remains constant—people do the work. Learn more about our career opportunities.

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    STOBG Insights Magazine

    Get inspired by the latest issues on project renovations, designs, company commemorations, and collaborations.

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    STOBG Podcast

    Connect and listen to construction professionals and leaders one conversation at a time.

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    Thought Leadership

    What’s next in construction? From trends to data, find out more from our experts.

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    • Structure Tone International
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Structure Tone International | Dublin, Ireland - Construction Leader
Structure Tone Dublin is a leader in the Irish market for construction and contracting, and recently earned the contractor of the year award. STO Building Group (STOBG) specializes in commercial office fit-outs, infrastructure upgrades, and more.
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Sectors

Corporate Interiors Cover Image

Corporate Interiors

Mission Critical

Mission Critical

HealthCare

HealthCare

Hospitality

Hospitality

PharmaLife Sciences

Pharma/Life Sciences

Building Repositioning

Building Repositioning

Established in 1995, Structure Tone Dublin has grown to become a leading construction partner in the Irish market, delivering complex, high-quality projects across a diverse range of sectors. As part of STO Building Group (STOBG), we specialise in commercial interiors and fit-outs, building refurbishment and infrastructure upgrades, mission critical and data centre facilities, sustainability-led developments, healthcare, pharmaceutical and life sciences projects, and new-build construction.

We provide a comprehensive suite of services, from early-stage site selection and constructability reviews through to full project delivery. Our experience spans corporate interior fit-outs and ground-up construction, as well as aesthetic enhancements, large-scale building repositioning, modernisation programmes, and major infrastructure upgrades. This end-to-end capability enables us to deliver tailored solutions aligned with our clients’ operational, technical and sustainability objectives.
Since our establishment, we have delivered hundreds of projects across Ireland and Europe, totalling in excess of 10.5 million sq ft of high-quality commercial, technical and specialist facilities. Our commitment to excellence is reflected in long-standing client partnerships and a track record of repeat business.

In recognition of our industry leadership and project excellence, we were named Fit-Out Contractor of the Year at the Fit-Out Awards Ireland 2025, where we also received awards for Excellence in Sustainability and Excellence in Health & Safety. We are proud to collaborate with many of the world’s leading organisations, delivering innovative, high-performing spaces throughout Ireland.

Contact Us

Richard Hemming2
Richard Hemming
Managing Director

LinkedIn: Richard Hemming | LinkedInGo to https://www.linkedin.com/in/richardhemming73/

Tom Murnane2

Tom Murnane
Managing Director

LinkedIn: Tom Murnane | LinkedInGo to https://www.linkedin.com/in/tom-murnane-bb7440184/

OPENED

1995

150
Staff
2025
Fitout Contractor of the Year
1
Leading Interior Contractor
Structure Tone Dublin
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Featured Projects

Aon IrelandDublin, Ireland
SMBC Together AcademyDublin, Ireland
SalesforceDublin, Ireland
Confidential Healthcare ClientDublin, Ireland
LinkedInDublin, Ireland
Confidential Technology ClientGalway, Ireland

Our Leaders

Richard
Hemming
Managing Director
Read Bio
Thomas
Murnane
Managing Director
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Thomas
Kennedy
Operations Director
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Jason
Monks
Director, Mission Critical
Read Bio
Tom
O'Connor
Regional Managing Director, Mission Critical
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Brian
Doyle
Account Executive
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Fiona
O'Reilly
EHS Director
Read Bio
James
Reidy
COO
Structure Tone
International
Read Bio

What We Do

Interiors

Our interiors portfolio includes projects for global clients such as Google, Amazon, KPMG, Workday, Meta, and Riot Games, as well as leading professional services and design partners. We place a strong emphasis on long-term client relationships, with repeat business representing a significant proportion of our work.

We are recognised for our leadership in sustainability, consistently delivering high-performing fit-out projects that embed low-carbon design principles, responsible material selection, and best-in-class environmental standards from concept through to completion.

Refurbishment

We have successfully delivered major refurbishment and repositioning projects for clients including IPUT Real Estate, PayPal, Spear Street Capital, and SIG. Recent projects include North Wall Quay and Fifteen George’s Quay for IPUT, where we delivered comprehensive upgrades focused on sustainability, building performance, and long-term asset value.

Our refurbishment works typically encompass targeted improvements to building fabric and core services, energy-efficiency upgrades, and the integration of modern, flexible workplace standards. A strong emphasis is placed on extending the life of existing structures and reducing embodied carbon through intelligent retention, reuse and low-impact specification.

Data Centres

Structure Tone Dublin has extensive experience delivering mission critical facilities across Ireland and Europe, with a strong focus on technically complex, high-performance data centre environments.

Key projects include major data centre developments at Grange Castle, Ireland, and Amsterdam (Haarlem) for CyrusOne and Interxion, where we delivered large-scale, resilient facilities to support global hyperscale operations. These projects required rigorous programme control, close coordination with specialist supply chains, and strict adherence to quality, safety, and operational resilience standards.

More recently, we delivered data centre works for eir Ireland in Drogheda, supporting the expansion and modernisation of critical national digital infrastructure. This project demonstrates our capability to deliver mission critical facilities within live environments, with a strong emphasis on reliability, security, and future scalability.

Hotels and Leisure

Structure Tone Dublin has delivered a range of high-quality hospitality and leisure projects, combining technical expertise with a strong focus on quality, programme certainty, and minimal disruption to live environments.

Our experience includes the fit-out works at the renowned Temple Bar Hotel in Dublin city centre. Following the successful completion of the initial phase, we were subsequently appointed to deliver the full renovation of all guest rooms, reception areas, and bar and restaurant spaces.

We have also completed works at the Dylan Hotel in Ballsbridge, delivering high-end refurbishment and fit-out works within a premium hospitality setting, with careful coordination to maintain operational continuity and uphold the brand’s design and service standards.

Pharma

Structure Tone Dublin has extensive experience delivering pharmaceutical and life sciences projects across Ireland, operating within highly regulated environments where safety, quality, and continuity of operations are critical.

Our capabilities include the delivery of high-specification laboratory and life sciences fit-outs, encompassing main and starter laboratories, collaboration and office spaces, equipment rooms, and specialist support facilities. We regularly undertake complex architectural scopes alongside building envelope adaptations to support laboratory operations.

Our project experience includes delivery of cutting-edge life sciences environments such as Cherrywood Labs, demonstrating our capability to deliver technically demanding, compliance-driven facilities that support research, innovation and long-term operational performance.

Healthcare

Structure Tone Dublin has delivered healthcare projects across Ireland within live clinical environments, where patient safety, infection control and continuity of care are paramount.

Our healthcare capability includes the delivery of complex in-patient ward and clinical fit-out projects, involving full demolition and reconfiguration works, new bed wards, nurses’ stations, medication rooms, and essential support spaces. We coordinate the installation of specialist healthcare systems, ensuring full compliance with healthcare and regulatory standards.

Projects such as The Beacon Hospital Fifth Floor Ward Upgrade demonstrate our ability to deliver in fully operational hospitals, requiring meticulous planning, sequencing and logistics management to minimise disruption to adjacent departments and occupied wards, including during accreditation and audit processes.

Our healthcare capability is further supported by the delivery of VeoNet projects in Waterford, Cork and Dublin, showing our ability to consistently deliver controlled, high-quality healthcare environments across multiple locations.

Contact Us

Structure Tone

Warrington House
1st Floor,
Mount Street Crescent,
Dublin 2, Ireland
Tel: 00.353.1.775.1800
Tel Int’l: 011.353.1.775.1800
Email: stie@stobuildinggroup.com

Our Family of Builders

  • Abbott Construction
  • Ajax
  • BCCI
  • Govan Brown
  • Layton Construction
  • LF Driscoll
  • STO Mission Critical
  • Pavarini North East
  • Pavarini McGovern
  • RC Andersen
  • Structure Tone
  • Structure Tone International
  • Structure Tone Southwest

Who We Are

  • Our Story
  • History
  • Leadership
  • Corporate Responsibility

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Contact Us

Locations

Business Development
bd@stobuildinggroup.com
Careers
careers@stobuildinggroup.com
Press
press@stobuildinggroup.com

STO Building Group (STOBG) is a Family of Builders.

STO Building Group (STOBG) is a leader in commercial construction management. We draw on each other’s strengths to deliver expert services in preconstruction, sustainable construction, virtual design and construction, and more.

 

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