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O'Leary & O'Sullivan Developments Ballyvolane Ltd

#735226 LTD - Private Company Limited by Shares

Registered in Ballincollig, Co. Cork

O'Leary & O'Sullivan Developments Ballyvolane Ltd is a private company limited by shares registered in Ireland on 17 February 2023 (company number 735226), based in Ballincollig, Co. Cork. Current status on the CRO register: Active. Its website is olosdev.com.

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Registry facts

Registered Name O'LEARY & O'SULLIVAN DEVELOPMENTS BALLYVOLANE LIMITED
Company Number 735226
Company Type LTD - Private Company Limited by Shares
Type Code 1153
Status Normal

Important Dates

Registration Date 17 February 2023
Last Annual Return 31 December 2025
Last Accounts Date 31 March 2025

Industry Classification (NACE)

NACE Code: 41.10
Section Construction Division Construction of buildings Group Development of building projects Class Development of building projects

Registered Address

4 Joyce House

Barrack Square

Ballincollig, CORK, Ireland

P31HW35

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Additional business information

Contact details, websites, social profiles and summaries are gathered from public web sources. They are not CRO registry fields.

Contact Details

Phone Number Unknown
Email Address sales@olosdev.com

Company Website

Business summary

O'Leary & O'Sullivan Developments Ballyvolane Limited (OLOS) is a specialist home‑building company dedicated to delivering high‑quality, modern family residences across East Cork. Their flagship project, Current Nua in Knockraha, showcases A‑rated, block‑built homes that meet the stringent standards of the Help to Buy scheme, making first‑time ownership both attainable and sustainable.

The firm’s portfolio also includes the Ard Abhainn Nua development in the picturesque village of Knockraha, Glanmire, where a range of spacious, detached properties – such as the 166 m² Type A+ homes priced at €490,000 – are ready for new owners to add the finishing touches. By focusing on energy efficiency, contemporary design and family‑friendly layouts, OLOS serves aspiring homeowners seeking a blend of comfort, style and long‑term value.

With a clear commitment to quality construction and responsive customer service, OLOS continues to shape the housing landscape of Knockraha, offering families a reliable pathway to

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How to read this record

Registry fields come from the CRO open data source.

CRO register status: Normal.

Company Check displays this as Active for readability.

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CRO snapshot retrieved: 2 Oct 2026, 10:40. Imported successfully: 2 Oct 2026, 10:44.