**Exhibit 99.7**

**CERTIFICATION OF FORM 40-F**

**REQUIRED BY RULE 13a-14(a)**

**OR RULE 15D-14(a), PURSUANT TO SECTION 302**

**OF THE SARBANES–OXLEY ACT OF 2002**

I, David Blackley, the Chief Financial Officer of North American Energy Partners Inc., certify that: 

1.        I have reviewed this annual report on Form 40-F for the fiscal year ended March 31,2010 of North American Energy Partners Inc.; 

2.        Based on my knowledge, thisreport 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 periodcovered by this report; 

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 issuer as of, and for, the periods presented in this report; 

4.        The issuer’s other certifying officer and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-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 issuer and have: 

(a)        Designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the issuer, including its consolidated subsidiaries, is made known to us by others within those entities, particularly duringthe period in which this report is being prepared; 

(b)        Designed such internal control over financial reporting, or causedsuch internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordancewith generally accepted accounting principles; 

(c)        Evaluatedthe effectiveness of the issuer’s 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 onsuch evaluation; and 

(d)        Disclosed in this report any changein the issuer’s 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 issuer’s internal control over financialreporting; and 

5.        The issuer’s other certifying officer and I havedisclosed, based on our most recent evaluation of internal control over financial reporting, to the issuer’s auditors and the audit committee of the issuer’s board of directors (or persons performing the equivalent functions): 

(a)        All significant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which are reasonably likely to adversely affect the issuer’s ability to record, process, summarize and report financial information; and 

(b)        Any fraud, whether or not material, that involves management or otheremployees who have a significant role in the issuer’s internal control over financial reporting. 

Date: June 10, 2010