Alliance Laundry Holdings Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

(Rule 14a‑101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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Alliance Laundry Holdings Inc.

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NOTICE & PROXY

STATEMENT

Annual Meeting of Stockholders

June 11, 2026

4:00 p.m. (Eastern time)

221 SHEPARD STREET

RIPON, WISCONSIN 54971

To Our Stockholders:

You are cordially invited to attend the 2026 Annual Meeting of Stockholders (the “Annual Meeting”) of Alliance Laundry Holdings Inc. at 4:00 p.m. Eastern time on Thursday, June 11, 2026. The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast.

The Notice of Meeting and Proxy Statement on the following pages describe the matters to be presented at the Annual Meeting. Please see the section called “Who can attend the Annual Meeting?” on page 66 of the proxy statement for more information about how to attend the meeting online.

Whether or not you attend the Annual Meeting online, it is important that your shares be represented and voted at the Annual Meeting. Therefore, I urge you to promptly vote and submit your proxy by phone, via the Internet or if you received paper copies of these materials, by signing, dating and returning the enclosed proxy card in the enclosed envelope, which requires no postage if mailed in the United States. If you have previously received our Notice of Internet Availability of Proxy Materials, then instructions regarding how you can vote are contained in that notice. If you have received a proxy card, then instructions regarding how you can vote are contained on the proxy card. If you decide to attend the Annual Meeting, you will be able to vote online, even if you have previously submitted your proxy.

Thank you for your support.

Sincerely,

/s/ Michael D. Schoeb

Michael D. Schoeb

Chief Executive Officer and Director

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

TO BE HELD THURSDAY, JUNE 11, 2026

The 2026 Annual Meeting of Stockholders (the “Annual Meeting”) of Alliance Laundry Holdings Inc., a Delaware corporation (the “Company”), will be held at 4:00 p.m. Eastern time on Thursday, June 11, 2026. The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast. You will be able to attend the Annual Meeting online and submit your questions during the meeting by visitingwww.virtualshareholdermeeting.com/ALH2026 and entering your 16‑digit control number included in your Notice of Internet Availability of Proxy Materials, on your proxy card or on the instructions that accompanied your proxy materials. The Annual Meeting will be held for the following purposes:

•To elect Michael D. Schoeb, Phyllis A. Knight and Robert L. Verigan as Class I directors to serve until the 2029 Annual Meeting of Stockholders and until their respective successors shall have been duly elected and qualified;

•To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026;

•To approve, on an advisory (non‑binding) basis, the frequency of future advisory votes on the compensation of our named executive officers;

•To approve, on an advisory (non‑binding) basis, the compensation of our named executive officers; and

•To transact such other business as may properly come before the Annual Meeting or any continuation, postponement or adjournment of the Annual Meeting.

Holders of record of our common stock as of the close of business on April 16, 2026 are entitled to notice of and to vote at the Annual Meeting or any continuation, postponement or adjournment of the Annual Meeting. A complete list of such stockholders will be open to the examination of any stockholder for a period of ten days prior to the Annual Meeting for a purpose germane to the meeting by sending an email to the Secretary, at Secretary@alliancels.com, stating the purpose of the request and providing proof of ownership of Company stock. The Annual Meeting may be continued or adjourned from time to time without notice other than by announcement at the Annual Meeting.

It is important that your shares be represented regardless of the number of shares you may hold. Whether or not you plan to attend the Annual Meeting online, we urge you to vote your shares via the toll‑free telephone number or over the Internet, as described in the enclosed materials. If you received a copy of the proxy card by mail, you may sign, date and mail the proxy card in the enclosed return envelope. Promptly voting your shares will ensure the presence of a quorum at the Annual Meeting and will save us the expense of further solicitation. Submitting your proxy now will not prevent you from voting your shares at the Annual Meeting if you desire to do so, as your proxy is revocable at your option.

By Order of the Board of Directors

/s/ Samantha Hannan

Samantha Hannan

Chief Legal & Compliance Officer

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