As filed with the Securities and Exchange Commission on December 12, 2011

Registration No. 333-176297

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

AMENDMENT No. 10

to

FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

FUSIONSTORM GLOBAL INC.

(Exact name of registrant as specified in its charter)

8 Cedar Street, Suite 54A

Woburn, MA 01801

(781) 782-1900

(Address, including zip code, and telephone number, including

area code, of registrant’s principal executive offices)

James L. Monroe

FusionStorm Global Inc.

8 Cedar Street, Suite 54A

Woburn, MA 01801

(781) 782-1900

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box.  ¨

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration number of the earlier effective registration statement for the same offering.  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 under the Securities Exchange Act of 1934. (Check one):

Large Accelerated Filer  ¨         Accelerated Filer  ¨         Non-accelerated Filer  x        Smaller Reporting Company  ¨

The registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment that specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended, or until this Registration Statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

EXPLANATORY NOTE

This Amendment No. 10 to the Registration Statement is being filed solely for the purpose of amending Item 16 of “Part II—Information Not Required in Prospectus.”

PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 13. Other Expenses of Issuance and Distribution.

The following table sets forth all costs and expenses, other than underwriting discounts and commissions, payable by us in connection with the sale of the common stock being registered. All amounts shown are estimates except for the SEC registration fee, the FINRA filing fee and the NASDAQ Global Market initial listing fee.

Item 14. Indemnification of Directors and Officers.

Section 102 of the Delaware General Corporation Law permits a corporation to eliminate the personal liability of directors of a corporation to the corporation or its stockholders for monetary damages for a breach of fiduciary duty as a director, except (1) for any breach of the director’s duty of loyalty to the corporation or its stockholders, (2) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (3) arising under Section 174 of the Delaware General Corporation Law, which provides for liability of directors for unlawful payment of dividends or unlawful stock purchases or redemptions, or (4) for any transaction from which the director derived an improper personal benefit.

Section 145 of the Delaware General Corporation Law provides that a corporation has the power to indemnify a director, officer, employee or agent of the corporation and certain other persons serving at the request of the corporation in related capacities against expenses (including attorneys’ fees), judgments, fines and amounts paid in settlements actually and reasonably incurred by the person in connection with an action, suit or proceeding to which he is or is threatened to be made a party by reason of such position, if such person acted in good faith and in a manner he reasonably believed to be in or not opposed to the best interests of the corporation, and, in any criminal action or proceeding, had no reasonable cause to believe his conduct was unlawful, except that, in the case of actions brought by or in the right of the corporation, no indemnification shall be made with respect to any claim, issue or matter as to which such person shall have been adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery or other adjudicating court determines that, despite the adjudication of liability but in view of all of the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem proper.

Our amended and restated certificate of incorporation, which will be in effect immediately prior to the completion of this offering, will eliminate the personal liability of directors to the fullest extent permitted by the

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Delaware General Corporation Law. This provision in the amended and restated certificate of incorporation does not eliminate the directors’ or officers’ fiduciary duty, and in appropriate circumstances, equitable remedies like injunctive or other forms of non-monetary relief will remain available under Delaware law. This provision also does not affect a director’s or officer’s responsibilities under any other law, such as the federal securities laws or state or federal environmental laws.

We intend to enter into indemnification agreements with our directors and officers, a form of which is attached as Exhibit 10.10 and incorporated by reference. The indemnification agreements provide our directors and officers with further indemnification to the maximum extent permitted by the Delaware General Corporation Law. Reference is made to Section 8 of the underwriting agreement attached as Exhibit 1.1 to this Registration Statement, which provides for indemnifying our directors and officers against limited liabilities.

Our amended and restated bylaws, which will be in effect upon the completion of this offering, provide for mandatory indemnification of our directors and officers to the maximum extent permitted by the Delaware General Corporation Law, provided that, except with respect to proceedings to enforce rights to indemnification, the Company will indemnify our directors and officers in connection with a proceeding initiated by such indemnitee only if the proceeding was authorized by our Board of Directors. Our amended and restated bylaws also provide that we are authorized to purchase directors’ and officers’ liability insurance, which we will maintain effective not later than the effectiveness of the registration statement to cover our directors and executive officers.

Please see Section 8 of the underwriting agreement relating to this offering, filed as Exhibit 1.1 to this Registration Statement, for indemnification arrangements between us and the underwriters.

Item 15. Recent Sales of Unregistered Securities.

In the three years preceding the filing of this Registration Statement, we have issued the following securities that were not registered under the Securities Act:

On November 19, 2009, pursuant to the exemption from registration provided under Section 4(2) of the Securities Act, we issued 16,000,000 shares of common stock (after giving effect to our stock split) to Bluefin Management, LLC, a Delaware limited liability company and our sole stockholder, for an aggregate price of $1, in connection with our incorporation in Delaware.

Item 16. Exhibits and Financial Statement Schedules.

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All schedules are omitted because they are not applicable or the required information is shown in our financial statements and related notes.

Item 17. Undertakings.

The undersigned Registrant hereby undertakes to provide to the underwriters at the closing specified in the underwriting agreement, certificates in such denominations and registered in such names as required by the underwriters to permit prompt delivery to each purchaser.

Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.

The undersigned Registrant hereby undertakes that:

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, FusionStorm Global Inc. has duly caused this Amendment No. 10 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Boston, Massachusetts, on this 12^th day of December, 2011.

Pursuant to the requirements of the Securities Act of 1933, this Amendment No. 10 to the Registration Statement has been signed by the following person in the capacities and on the date indicated.

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EXHIBIT INDEX