Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form S-1, Amendment No. 3 of our report dated January 9, 2018, relating to the balance sheet of Nebula Acquisition Corporation as of December 31, 2017, and the related statements of operations, changes in stockholders’ deficit and cash flows for the period from October 2, 2017 (inception) to December 31, 2017 and to the reference to our Firm under the caption “Experts” in the Prospectus.