Exhibit 99.3

October 22, 2019

Dear Valued Cision Customer:

I’d like to share some exciting news about Cision Ltd. (“Cision” or the “Company”). Today, we announced that Cision has entered into an agreement to be acquired by an affiliate of investment funds sponsored by Platinum Equity (“Platinum Equity”), pursuant to a merger transaction. Subject to the terms and conditions of the merger agreement, once this transaction is complete, Cision will be a private company.

More details of this announcement can be found in our press release available on our investor website at https://investors.cision.com.

Platinum Equity is a highly regarded private equity firm with a successful track record across a number of industries. Their focus is on working with management teams to build market-leading companies. They share our values for the things that have always been important to us, including developing great products, delivering incredible customer service and developing talented employees. We believe there is a significant opportunity to leverage each other’s strengths to drive continued innovation and achieve long-term success. Platinum Equity is investing in Cision because they believe in our ability to remain a market leader and continue our history of meeting customer needs with innovative solutions. Cision plans to continue to execute on its current initiatives, including continuing to innovate to help our customers navigate an increasingly complex earned media landscape.

We currently expect the transaction to close during the first quarter of 2020.

We are proud of the company we have built and even more proud of the work we have done with you and your organization. We will continue to strive to deliver the high-quality solutions and service that you have come to expect from Cision. Should you have any questions, please feel free to reach out to me directly.

Sincerely,

Kevin Akeroyd

President and CEO

Forward-Looking Statements

Certain statements in this communication are forward-looking statements, including, without limitation, the statements made concerning the proposed transaction, and are made pursuant to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by the following words: “may,” “will,” “could,” “would,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “project,” “aim,” “potential,” “continue,” “ongoing,” “goal,” “can,” “seek,” “target” or the negative of these terms or other similar expressions, although not all forward-looking statements contain these words. You should read any such forward-looking statements carefully, as they involve a number of risks, uncertainties and assumptions that may cause actual results to differ significantly from those projected or contemplated in any such forward-looking statement. Those risks, uncertainties and assumptions include: (i) the risk that the proposed

transaction may not be completed in a timely manner or at all, which may adversely affect the Company’s business and the price of the Company’s ordinary shares; (ii) the failure to satisfy any of the conditions to the consummation of the proposed transaction, including the authorization of the merger agreement by the Company’s shareholders and the receipt of certain regulatory approvals; (iii) the occurrence of any event, change or other circumstance or condition that could give rise to the termination of the merger agreement; (iv) the effect of the announcement or pendency of the proposed transaction on the Company’s business relationships, operating results and business generally; (v) risks that the proposed transaction disrupts current plans and operations and the potential difficulties in employee retention as a result of the proposed transaction; (vi) risks related to diverting management’s attention from the Company’s ongoing business operations; (vii) the outcome of any legal proceedings that may be instituted against the Company related to the merger agreement or the proposed transaction, (viii) unexpected costs, charges or expenses resulting from the proposed transaction; (ix) uncertainties as to Platinum Equity’s ability to obtain financing in order to consummate the merger; and (x) other risks described in the Company’s filings with the SEC, such as its Annual Report on Form 10-K for the year ended December 31, 2018. Forward-looking statements speak only as of the date of this communication or the date of any document incorporated by reference in this document. Except as required by applicable law or regulation, the Company does not assume any obligation to update any such forward-looking statements whether as the result of new developments or otherwise.

Additional Information and Where to Find It

In connection with the proposed transaction, the Company will file with the Securities and Exchange Commission (the “SEC”) and furnish to the Company’s shareholders a proxy statement. BEFORE MAKING ANY VOTING DECISION, THE COMPANY’S SHAREHOLDERS ARE URGED TO READ THE PROXY STATEMENT IN ITS ENTIRETY WHEN IT BECOMES AVAILABLE AND ANY OTHER DOCUMENTS TO BE FILED WITH THE SEC IN CONNECTION WITH THE PROPOSED MERGER OR INCORPORATED BY REFERENCE IN THE PROXY STATEMENT (IF ANY) BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND THE PARTIES TO THE PROPOSED TRANSACTION. Investors and shareholders may obtain a free copy of documents filed by the Company with the SEC at the SEC’s website at http://www.sec.gov. In addition, investors and shareholders may obtain a free copy of the Company’s filings with the SEC from the Company’s website at http://investors.cision.com or by directing a written request to: Cision Ltd., Attn: Secretary, 130 E. Randolph St., 7th Floor, Chicago, IL 60601.

Participants in the Solicitation

The Company and certain of its directors, executive officers, and certain other members of management and employees of the Company may be deemed to be participants in the solicitation of proxies from shareholders of the Company in favor of the proposed merger. Information about directors and executive officers of the Company is set forth in the proxy statement for Cision’s 2019 annual general meeting of shareholders, as filed with the SEC on Schedule 14A on August 9, 2019. Additional information regarding the interests of these individuals and other persons who may be deemed to be participants in the solicitation will be included in the proxy statement with respect to the merger that the Company will file with the SEC and furnish to the Company’s shareholders.