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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 8, 2015

THE DUN & BRADSTREET CORPORATION

(Exact name of registrant as specified in its charter)

(973) 921-5500

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

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Item 1.01 Entry into a Material Definitive Agreement.

On June 8, 2015, The Dun & Bradstreet Corporation (the “Company”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with J.P. Morgan Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the several underwriters named therein (the “Underwriters”), relating to its sale to the Underwriters of $300 million aggregate principal amount of its 4.000% Senior Notes due 2020 (the “Senior Notes”). The Underwriting Agreement is attached hereto as Exhibit 1.1. The Senior Notes have been registered under the Securities Act of 1933, as amended, pursuant to a registration statement on Form S-3 (Registration No. 333-203764) (the “Registration Statement”) previously filed with the Securities and Exchange Commission.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The discussion under Item 1.01 is incorporated by reference herein.

Item 8.01 Other Events.

On June 11, 2015, the Company issued a press release announcing that it is shifting its Australia/New Zealand (“ANZ”) business to a Worldwide Network partner model. Archer Capital, a leading Australian private equity firm, via its newly-formed Credit Data Solutions business, will acquire the entirety of the Company’s ANZ business, including consumer risk and debt collection, and commercial solutions, for AUD $220 million, pending regulatory approval.

A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated in this Item 8.01 by reference.

Item 9.01 Financial Statements, Pro Forma Financial Information and Exhibits.

(d) Exhibits.

The following exhibits are being filed herewith and incorporated by reference in the Registration Statement:

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SIGNATURES

Pursuant to the requirement of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

DATE: June 11, 2015

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