Exhibit 5.1

May 13, 2022

Deluxe Corporation 

801 S. Marquette Ave.

Minneapolis, MN 55402-2807

Ladies and Gentlemen:

I, as General Counsel, am acting as counsel for Deluxe Corporation, a Minnesota corporation (the “Company”), in connection with the preparation of the Company’s registration statement on Form S-3ASR (the “Registration Statement”) to be filed on the date hereof with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933, as amended (the “Act”), for the purpose of registering with the Commission the following securities that may be issued by the Company (the “Securities”) from time to time on a delayed or continuous basis pursuant to Rule 415 under the Act:

The Securities will be offered in amounts, at prices and on terms to be determined in light of market conditions at the time of sale and to be set forth in supplements (each a “Prospectus Supplement”) to the prospectus (the “Prospectus”) contained in the Registration Statement. This opinion is being furnished to you at your request in accordance with the requirements of Item 601(b)(5)(i) of Regulation S-K.

I have examined originals or copies, certified or otherwise identified to my satisfaction, of such corporate records, agreements, and other instruments, certificates, orders, opinions, correspondence with public officials, certificates provided by the Company’s officers and representatives, and other documents as I have deemed necessary or advisable for the purposes of rendering the opinions set forth herein, including (i) the corporate and organizational documents of the Company, including the Articles of Incorporation, as amended to date (the “Articles”), and the Bylaws of the Company, as amended to date, (ii) the resolutions of the Board of Directors of the Company (the “Board”) with respect to the Registration Statement and related matters, (iii) the specimen Common Stock certificate of the Company, and (iv) the Registration Statement and exhibits thereto, including the Prospectus.

In connection with rendering the opinions set forth below, I have assumed that (i) all information contained in all documents reviewed is true and correct, (ii) all signatures on all documents examined are genuine and provided by natural persons with legal capacity and authority to execute such documents, (iii) all documents submitted as originals are authentic and all documents submitted as copies conform to the originals of those documents, (iv) the Registration Statement, and any amendments thereto (including post-effective amendments), will have become effective and will not have been terminated or rescinded, (v) a Prospectus Supplement, if necessary, will have been prepared and filed with the Commission describing any Securities that are offered, (vi) all Securities will be issued and/or sold in compliance with applicable federal and state securities laws and in the manner specified in the Registration Statement and any applicable Prospectus Supplement or term sheet, (vii) each of the Securities, and the instruments pursuant to which they are duly authorized and established, will have been specifically authorized for issuance by the Board or an authorized committee thereof (the “Company Authorizing Resolutions”), (viii) the terms of each of the Securities and of their respective issuance and sale will have been duly authorized and established in conformity with the applicable corporate and organizational documents of the Company, the Indenture, the Guarantees, the Warrant Agreements, the Unit Agreements or the Rights Agreements, as the case may be, (ix) each of the Securities will have been duly executed and countersigned, (x) the Board will have determined that the consideration to be received for any Common Stock to be issued is adequate, (xi) the Company will have received the consideration provided for in the Company Authorizing Resolutions and any applicable purchase, underwriting or similar agreement and as contemplated by any applicable Prospectus Supplement, (xii) the applicable Indenture, Guarantees, Warrant Agreements, Unit Agreements and Rights Agreements will be duly authorized, executed and delivered by the parties thereto, (xiii) with respect to the Common Stock, there will be sufficient shares of Common Stock authorized under the Articles and not otherwise reserved for issuance, (xiv) a definitive purchase, underwriting or similar agreement with respect to any Securities offered thereby will have been duly authorized and validly executed and delivered by the Company and the other parties thereto, and (xv) any Securities issuable upon conversion, exchange, redemption or exercise of any Securities being offered will have been duly and validly authorized, created and, if appropriate, reserved for issuance upon such conversion, exchange, redemption or exercise.

As to any facts material to the opinions expressed herein which were not independently established or verified, I have relied upon oral or written statements and representations of officers and other representatives of the Company and others and of public officials.

I have also assumed that (i) the Company will continue to be validly existing and in good standing under the laws of Minnesota, and will continue to have all requisite power and authority to enable it to execute, deliver and perform its obligations under the Securities and the related documents, (ii) the Securities will be established so as not to, and such execution, delivery and performance thereof (including the documents establishing them) will not, violate, conflict with or constitute a default under any applicable laws, rules or regulations to which the Company is subject, (iii) such execution, delivery and performance do not and will not constitute a breach, conflict, default or violation of (a) the Company’s organizational documents, or any agreement or other instrument to which the Company or its properties are subject, (b) any judicial or regulatory order or decree of any governmental authority or (c) any consent, approval, license, authorization or validation of, or filing, recording or registration with, any governmental authority, (iv) the Debt Securities will not bear interest at a rate that is usurious under the laws of the jurisdiction governing the creation thereof and will not provide for the compounding of interest if prohibited by applicable law and (v) the choice of law in each of the agreements is legal, valid, binding and enforceable under the laws of all applicable jurisdictions.

I am a member of the bar of the State of Minnesota and am not purporting to be an expert on, or generally familiar with, or qualified to express legal conclusions based upon, laws of any state or jurisdiction other than the State of Minnesota and I express no opinion as to the effect of the laws of any other jurisdiction or as to the securities or blue sky laws of any state (including, without limitation, Minnesota), municipal law or the laws of any local agencies within any state (including, without limitation, Minnesota). This opinion is limited to the matters stated herein, and no opinion is implied or may be inferred beyond the matters expressly stated herein. Troutman Pepper Hamilton Sanders LLP may rely upon this opinion in rendering its opinion as to the Securities.

Based on the foregoing and in reliance thereon, and subject to the limitations, qualifications, assumptions, exceptions and other matters set forth herein, I am of the opinion that:

My opinion is as of the date hereof and I have no responsibility to update this opinion for events and circumstances occurring after the date hereof or as to facts relating to prior events that are subsequently brought to my attention and I disavow any undertaking to advise you of any changes in law.

I hereby consent to the filing of this opinion as an exhibit to the Registration Statement and to the use of my name under the caption “Validity of the Securities” in the Prospectus and Registration Statement. In giving this consent, I do not hereby admit that I come within the category of persons whose consent is required under Section 7 of the Act, or the General Rules and Regulations of the Commission promulgated thereunder.