Exhibit 12.1

CERTIFICATIONS

CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

I,
Dr. Philip Nolan of eircomGroup plc (registrant), and eircomFunding, Valentia Telecommunications and eircomLimited (additional registrants), certify that:



|1. | I have reviewed this annual report on Form 20-F of eircomGroup plc (registrant), and eircomFunding, Valentia Telecommunications and eircomLimited (additional
registrants);
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|2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect to the period covered by this report;
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|3. | Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of
operations and cash flows of the companies as of, and for, the periods presented in this report;
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|4. | The companies other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)
and 15d-15(e)) for the companies and have:
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| | (a) | Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information
relating to the companies, including their consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
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| | (b) | Evaluated the effectiveness of the companies disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls
and procedures, as of the end of the period covered by this report based on such evaluation; and
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| | (c) | Disclosed in this report any change in the companies internal control over financial reporting that occurred during the period covered by the annual report that has materially
affected, or is reasonably likely to materially affect, the companies internal control over financial reporting; and
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|5. | The companies other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the companies auditors
and the audit committee of the companies boards of directors (or persons performing the equivalent functions):
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(a) All
significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the companies ability to record, process, summarize and report financial
information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the
companies internal control over financial reporting.



|      |  |                     
|----- |  | --------------------
|Date: |  | 26thJune, 2006      
|      | 
|By:   |  | /s/ Dr. Philip Nolan
|      |  | Dr. Philip Nolan    
|      |  | Chief Executive     
|      |  | eircomGroup plc