**Exhibit 31.2**

 

### **CERTIFICATIONS**

 

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

 

1.                                     I have reviewed this quarterly report on Form 10-QSBof FirstBank Financial Services, Inc. (the “Company”);

 

2.                                     Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this quarterly report;

 

3.                                     Based on my knowledge, the consolidatedfinancial statements, and other financial information included in thisquarterly 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 other certifying officer and Iare responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))for the Company and have:

 

(a)                                  Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theCompany is made known to us by others within this entity, particularly duringthe period in which this report is being prepared;

 

(b)                                 Evaluated the effectiveness of the Company’sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and

 

(c)                                  Disclosed in this report any change in theCompany’s internal control over financial reporting that occurred during theCompany’s most recent fiscal quarter that has materially affected, or isreasonably likely to materially affect, the Company’s internal control overfinancial reporting; and

 

5.                                     The Company’s other certifying officer and Ihave disclosed, based on our most recent evaluation of internal control overfinancial reporting, to the Company’s auditors and the audit committee of theCompany’s board of directors:

 

(a)                                  All significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect the Company’s abilityto record, process, summarize and report financial information; and

 

(b)                                 Any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theCompany’s internal control over financial reporting.

 

6.                                     The Company’s other certifying officer and Ihave indicated in this quarterly report whether or not there were significantchanges in internal controls or in other factors that could significantlyaffect internal controls subsequent to the date of their evaluation, includingany corrective actions with regard to significant deficiencies and materialweaknesses.

 

 
|   | August 10,  2005 | /s/  Lisa J. Maxwell                  |   |
|--------|-----------------------|---------------------------------------|--------|
|   |                  | Lisa J. Maxwell, Principal  Financial |   |
|   |                  | and Accounting Officer                |   |
|   |                  | (Principal Financial  Officer)        |   |

 

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