**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-QSB of FirstBank Financial Services, Inc. (the “Company”);                                                                                                                                                                                                     |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                                                                       |
| 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 quarterly report;   |
|   |   |                                                                                                                                                                                                                                                                                                                       |
| 3.     |   | Based on my knowledge, the consolidated 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 Company as of, and for, the  periods presented in this quarterly report; |
|   |   |                                                                                                                                                                                                                                                                                                                       |
| 4.     |   | The Company’s 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  Company 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 Company is  made known to us by others within this entity, particularly during the period  in which this report is being prepared; |
|--------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                                                                               |
| (b)    |   | Evaluated the effectiveness of the Company’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 on such evaluation; and                                           |
|   |   |                                                                                                                                                                                                                                                                                                                               |
| (c)    |   | Disclosed in this report any change in the  Company’s internal control over financial reporting that occurred during the  Company’s most recent fiscal quarter that has materially affected, or is  reasonably likely to materially affect, the Company’s internal control over  financial reporting; and           |

 
| 5. |   | The Company’s other certifying officer and I have  disclosed, based on our most recent evaluation of internal control over  financial reporting, to the Company’s auditors and the audit committee of the  Company’s board of directors: |
|----|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

 
| (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 Company’s 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 Company’s internal control over financial reporting.                                                                                                  |

 
| 6. |   | The Company’s other certifying officer and I have  indicated in this quarterly report whether or not there were significant  changes in internal controls or in other factors that could significantly  affect internal controls subsequent to the date of their evaluation,  including any corrective actions with regard to significant deficiencies and  material weaknesses. |
|----|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

 
| November  09, 2005 |   | /s/ Lisa J. Maxwell                   |
|--------------------|--------|---------------------------------------|
|               |   | Lisa J. Maxwell, Principal  Financial |
|               |   | and Accounting Officer                |
|               |   | (Principal Financial  Officer)        |

 

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