Attached files
Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S
CONSENT
We
consent to the incorporation by reference in this Registration
Statement of Bridgeline Digital, Inc. on Form S-1/A, Amendment No.
2, FILE NO. 333-227430, of our report dated December 21, 2017, with
respect to our audits of the consolidated financial statements of
Bridgeline Digital, Inc. as of September 30, 2017 and 2016 and for
the years ended September 30, 2017 and 2016, which report is
included in the Annual Report on Form 10-K of Bridgeline Digital,
Inc. for the year ended September 30, 2017 and incorporated by
reference in the Prospectus, which is part of the Registration
Statement. We also consent to the reference to our Firm under the
heading “Experts” in such Prospectus.
Marcum
LLP
Boston,
MA
October
12, 2018