Insights

International Growth O'Connor Sutton Cronin has expanded from a domestic Dublin-based practice to an international multidisciplinary engineering firm with over 270 staff in Ireland and the UK, indicating ongoing opportunities for partnership and service expansion across borders.

Sustainability Credentials The company's focus on LEED, BREEAM, Low Carbon Energy, and CEEQUAL certifications highlights a strong commitment to sustainable building practices, making them a prime partner for clients seeking environmentally certified and energy-efficient projects.

Technological Leadership With BIM Level 2 accreditation and extensive use of advanced tech stack including AWS, HTTP/3, and Site Kit, OCSC demonstrates a sophisticated approach to digital project delivery, enabling sales opportunities in innovative design and project management solutions.

Recognition & Culture Their designation as a 'Great Place to Work' and recent community initiatives like ‘Thank a Colleague Week’ suggest a positive organizational culture that appeals to talent acquisition and retention, as well as building brand reputation in the engineering sector.

Market Position & Revenue Operating within a competitive mid-market revenue range of $1M to $10M and serving diverse sectors, OCSC is positioned to expand its service offerings to similar-sized projects and clients in evolving construction markets focused on sustainability and innovation.

O'Connor Sutton Cronin Tech Stack

O'Connor Sutton Cronin uses 8 technology products and services including Site Kit, WP Rocket, Amazon Web Services, and more. Explore O'Connor Sutton Cronin's tech stack below.

  • Site Kit
    Analytics
  • WP Rocket
    Caching
  • Amazon Web Services
    Cloud Hosting
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • Microsoft
    Miscellaneous
  • HTTP/3
    Web & Portal Technology
  • WP-PageNavi
    Web Platform Extensions

O'Connor Sutton Cronin's Email Address Formats

O'Connor Sutton Cronin uses at least 1 format(s):
O'Connor Sutton Cronin Email FormatsExamplePercentage
First.Last@ocsc.ieJohn.Doe@ocsc.ie
90%
First@ocsc.ieJohn@ocsc.ie
7%
First.MiddleLast@ocsc.ieJohn.MichaelDoe@ocsc.ie
2%
FLast@ocsc.ieJDoe@ocsc.ie
1%

Frequently Asked Questions

Where is O'Connor Sutton Cronin's headquarters located?

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O'Connor Sutton Cronin's main headquarters is located at 9 Prussia Street Dublin 7, Leinster Ireland. The company has employees across 4 continents, including EuropeNorth AmericaAsia.

What is O'Connor Sutton Cronin's official website and social media links?

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O'Connor Sutton Cronin's official website is ocsc.ie and has social profiles on LinkedIn.

What is O'Connor Sutton Cronin's SIC code NAICS code?

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O'Connor Sutton Cronin's SIC code is 8711 - Engineering Services NAICS code is 23 - Construction.

How many employees does O'Connor Sutton Cronin have currently?

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As of March 2026, O'Connor Sutton Cronin has approximately 249 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Cto - Chief Technology Officer: K. K.Owner, Director, Structural Engineer: P. H.Partner: P. C.. Explore O'Connor Sutton Cronin's employee directory with LeadIQ.

What industry does O'Connor Sutton Cronin belong to?

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O'Connor Sutton Cronin operates in the Construction industry.

What technology does O'Connor Sutton Cronin use?

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O'Connor Sutton Cronin's tech stack includes Site KitWP RocketAmazon Web ServicesGoogle Fonts APIjQueryMicrosoftHTTP/3WP-PageNavi.

What is O'Connor Sutton Cronin's email format?

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O'Connor Sutton Cronin's email format typically follows the pattern of First.Last@ocsc.ie. Find more O'Connor Sutton Cronin email formats with LeadIQ.

When was O'Connor Sutton Cronin founded?

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O'Connor Sutton Cronin was founded in 1988.

O'Connor Sutton Cronin

ConstructionLeinster, Ireland201-500 Employees

OCSC is an established International Multidisciplinary Consulting Engineering & Project Management Practice.

The firm was founded in 1988 in Dublin and over the years has grown to become one of the leading multi-disciplinary engineering consultancies in the State, having worked successfully with all of the major public, semi-private and private clients in the Institutional, Commercial, Domestic & Industrial sectors. 

The practice has expanded to become an International Multidisciplinary Consulting Engineering firm with over 270 staff in Ireland and the UK. 

We provide Civil, Structural, Mechanical & Electrical, Sustainability and Traffic engineering design and consultancy, project management and PSDP services. 

OCSC is LEED, BREEAM, Low Carbon Energy Assessor, CEEQUAL and ISO 9001, 14001 & 18001 accredited as well as being a CPD award winning engineering consultancy with an untiring focus on continuing personal and professional staff development. 

We are also BSI verified for PAS 1192-2 Information Management for the capital/delivery phase of construction projects as a BIM Level 2 Tier 1 consultant. 

We are an accredited 'Great Place to Work' since 2018.

Section iconCompany Overview

Headquarters
9 Prussia Street Dublin 7, Leinster Ireland
Website
ocsc.ie
SIC Code
8711 - Engineering Services
NAICS Code
23 - Construction
Founded
1988
Employees
201-500

Section iconFunding & Financials

  • $1M$10M

    O'Connor Sutton Cronin's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    O'Connor Sutton Cronin's revenue is estimated to be in the range of $1M$10M

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