Exhibit 23.3 [Letterhead of RP Financial, LC.] June 7, 1999 Board of Trustees Westborough Bancorp, MHC Board of Directors Westborough Savings Bank 100 East Main Street Westborough, Massachusetts 01581 Gentlemen: We hereby consent to the use of our firm's name in the Form SB-2 Registration Statement and any amendments thereto for Westborough Financial Services, Inc. We also hereby consent to the inclusion of, summary of and references to our Appraisal and our statement concerning subscription rights in such filings including the Prospectus of Westborough Financial Services, Inc. Sincerely, RP FINANCIAL, LC. /s/ RP FINANCIAL, LC.