Bank of Commerce (BOCH) 10-Q 2005 Q3 Quarterly report

Exhibit 31.1

CERTIFICATIONS

I, Michael C. Mayer, certify that:

1.)	I have reviewed this quarterly report on Form 10-Q of Bank of Commerce Holdings (the “registrant”);
2.)	Based on my knowledge, this quarterly 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 quarterly report:
3.)	Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report:
4.)	The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13-a-15 (e) and 15d-15 (e) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
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 registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared:
b.)	Evaluated the effectiveness of the registrant’s disclosure controls and presented in this quarterly report our conclusions about the effectiveness of the disclosure controls and procedures based on such evaluation as of the Evaluation Date.
c.)	Disclosed in this report any change in internal control over financial reporting that occurred during the most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, internal control over financial reporting; and
5.)	The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant’s auditors and the audit committee of the registrant’s board of directors:
a.)	All significant deficiencies in the design or operation of internal controls which could adversely affect the registrant’s ability to record, process, summarize and report financial data and have identified for the registrant’s auditors any material weaknesses in internal controls: and
b.)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/MICHAEL C. MAYER

Michael C. Mayer

President & Chief Executive Officer

(Principal Executive Officer)

Dated November 10, 2005

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