SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of: February 2006

ADECCO SA

(Exact name of Registrant as specified in its charter)

Commission # 0-25004

Sägereistrasse 10

CH-8152 Glattbrugg

Switzerland

+41 1 878 88 88

(Address of principal executive offices)

[Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or 40-F]

Form 20-F      X            Form 40-F              

[Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934]

Yes                      No      X    

Attached:

- Adecco secures over 75% of DIS AG

Press Release

Adecco secures over 75% of DIS AG

Increase of offer price from EUR 54.50 to EUR 58.50

Chéserex, Switzerland – February 13, 2006: Adecco, the world’s largest human resource services provider announced today that the offer price for its voluntary tender offer for all outstanding shares of German listed DIS AG is increased from EUR 54.50 to EUR 58.50 per share in cash.

German Voith AG, Heidelheim, and Jupiter Asset Management, London, both agreed to immediately sell their shares in DIS AG based on the increased offer price. Voith AG holds 3’628’057 shares (29.5%), Jupiter Asset Management at least 900’000 (7.3%). Adecco has previously announced an agreement to acquire approx. 29% of DIS’ share capital from the Paulmann family and a subsequent additional purchase of over 10%. Accordingly Adecco has secured over 75% of DIS’ capital.

Chairman and Chief Executive Officer of Adecco Klaus J. Jacobs said: “I appreciate Voith’s and Jupiter’s decision. It is in the best interest of shareholders, clients as well as employees of Adecco and DIS AG.”

About Adecco

Adecco S.A. is a Fortune Global 500 company and the global leader in HR services. The Adecco Group network connects over 700,000 associates with business clients each day through its network of over 33,000 employees and over 6,600 offices in over 70 countries and territories around the world. Registered in Switzerland, and managed by a multinational team with expertise in markets spanning the globe, the Adecco Group delivers an unparalleled range of flexible staffing and career resources to corporate clients and qualified associates.

Adecco S.A. is registered in Switzerland (ISIN: CH0012138605) and listed on the Swiss Stock Exchange with trading on virt-x (SWX/VIRT-X:ADEN), the New York Stock Exchange (NYSE:ADO) and Euronext Paris—Premier Marché (EURONEXT: ADE).

Forward-looking statements

Information in this release may involve guidance, expectations, beliefs, plans, intentions or strategies regarding the future. These forward-looking statements involve risks and uncertainties. All forward-looking statements included in this release are based on information available to Adecco S.A. (the “company”) as of the date of this release, and we assume no duty to update any such forward-looking statements. Factors that could affect the company’s forward-looking statements include, among other things: global GDP trends and the demand for temporary work; changes in regulation of temporary work; intense competition in the markets in which the company competes; changes in the company’s ability to attract and retain qualified temporary personnel; the resolution of US state unemployment tax reviews; the resolution of a French anti-trust investigation; the resolution of the US class action litigation; and any adverse developments in existing commercial relationships, disputes or legal proceedings.

The forward-looking statements in this release are not guarantees of future performance and actual results could differ materially from our current expectations. Numerous factors could cause or contribute to such differences. Please refer to the company’s most recent Annual Report on Form 20-F and other reports filed with or submitted to the United States Securities and Exchange Commission from time to time, for a further discussion of the factors and risks associated with our business.

This is not an offer to acquire or sell any securities.

Press Release

Contacts:

Adecco Corporate Investor Relations

Investor.relations@adecco.com or +41 (0) 44 878 8925

Adecco Corporate Press Office

Press.office@adecco.com or +41 (0) 44 878 8832

SIGNATURES

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

	ADECCO SA (Registrant)
Dated: 13 February 2006	By:	/s/ Jim Fredholm
		Jim Fredholm
		Chief Financial Officer
Dated: 13 February 2006	By:	/s/ Hans R. Brütsch
		Hans R. Brütsch
		Corporate Secretary