**Exhibit 31.2**

### **CERTIFICATIONS**

I,Lisa J. Maxwell, Principal Financial and Accounting Officer, certify that:

1.     I have reviewedthis quarterly report on Form 10-Q of FirstBank Financial Services, Inc. (the “Company”);

2.     Based on my knowledge, thisreport does not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this quarterly report;

3.     Based on my knowledge, theconsolidated financial statements, and other financial information included inthis quarterly report, fairly present in all material respects the financialcondition, results of operations, and cash flows of the Company as of, and for,the periods presented in this quarterly report;

4.     The Company’s othercertifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)and 15d-15(e)) for the Company and have:

(a)           Designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that material information relatingto the Company is made known to us by others within this entity, particularlyduring the period in which this report is being prepared;

(b)           Evaluated the effectivenessof the Company’s disclosure controls and procedures and presented in thisreport our conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based on suchevaluation; and

(c)           Disclosed in this report anychange in the Company’s internal control over financial reporting that occurredduring the Company’s most recent fiscal quarter that has materially affected,or is reasonably likely to materially affect, the Company’s internal controlover financial reporting; and

5.     The Company’s othercertifying officer and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the Company’s auditors and theaudit committee of the Company’s board of directors:

(a)           All significant deficienciesand material weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect the Company’sability to record, process, summarize and report financial information; and

(b)           Any fraud, whether or notmaterial, that involves management or other employees who have a significantrole in the Company’s internal control over financial reporting.

6.     The Company’s othercertifying officer and I have indicated in this quarterly report whether or notthere were significant changes in internal controls or in other factors thatcould significantly affect internal controls subsequent to the date of theirevaluation, including any corrective actions with regard to significantdeficiencies and material weaknesses.
|        | May 14, 2007                          | /s/ Lisa J.  Maxwell |
|--------|---------------------------------------|----------------------|
|   | Lisa J. Maxwell,  Principal Financial |
|   | and Accounting Officer                |
|   | (Principal Financial Officer)         |

 

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