Denis O'Sullivan & Associates Consulting Engineers

SEAI Registered BER Assessor

Brian O'Sullivan

County Cork

Also on one other SEAI register

SEAI keeps these registers separately. Denis O'Sullivan & Associates Consulting Engineers appears on more than one.

  • SEAI Registered BER Assessor

    One registered BER assessor works here: Colm Cronin (Cork)

Matched on registered company name plus a shared phone number or company email domain. Each register is scraped and published separately, so where the evidence is thin a business may appear more than once on this site.

Contact

Call 021 4871781
Email
BRIAN.OSULLIVAN@DOSA.IE
Address
Dennis O'Sullivan and Company Ltd Joyce House Barracks Square, Ballincollig

Work covered

No specific trades listed on the SEAI register for this business.

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Denis O'Sullivan & Associates Consulting Engineers appears on the SEAI national BER assessor register. Details on this page were last checked against that register on 24 August 2026. Registration status can change, so confirm directly with SEAI before signing anything.

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