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: ~~May~~June 2007

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:

•- ~~Disclosure of shareholdings~~Director’s Dealings: ~~Change~~Adecco indelists ~~the~~from ~~structure~~New ofYork aStock ~~shareholder~~Exchange ~~group~~(NYSE) ~~consisting~~and ofends ~~Deutsche~~US ~~Bank~~reporting ~~AG, Germany, and its subsidiaries~~obligations

LOGO

~~Disclosure~~Adecco ofdelists ~~shareholdings~~from New York Stock Exchange (NYSE) and ends US reporting obligations

Glattbrugg, Switzerland, June 5, 2007: Adecco, ~~S.A.~~the ~~Chéserex~~world -leader ~~Pursuant~~in tohuman ~~art.~~resource 15(HR) ~~and~~services 17announced today that it completed the delisting of its American Depositary Shares (ADS) from the New York Stock Exchange ~~Ordinance-FBC~~(NYSE) on June 4, 2007. Adecco ~~S.A.~~also ~~has~~terminated ~~received~~its American Depositary Receipts (ADR) program on June 4, 2007 and will today file the ~~following~~required ~~notification:~~form to terminate the registration of its shares under the US Securities Exchange Act of 1934 (Exchange Act).

1.The ~~Name~~reasons offor delisting and the ~~listed~~termination ~~company:~~of ~~Adecco~~its ~~S.A.~~ADR program were:

2.• ~~Proportion~~The ofaverage ~~voting~~daily ~~rights~~trading ~~held~~volume of shares represented by ~~the~~ADRs ~~group~~has ~~(total~~declined ~~holdings~~since in2000 ~~percent):~~and ~~27.153~~accounted for approximately 1% of the total shares traded in 2006;

3.• ~~Identity~~The majority of ~~those~~shares ~~involved~~held by US domiciled investors are ordinary shares acquired through virt-x London and the Eurolist of Euronext Paris; and

~~Group consisting~~• ofAdecco ~~Deutsche~~is ~~Bank~~continuously ~~AG,~~seeking ~~Taunusanlage~~to ~~12,~~optimize ~~D-60325 Frankfurt am Main, Germany, and~~ its ~~subsidiaries:~~ costs.

-By ~~Deutsche~~filing ~~Bank~~an ~~AG,~~application ~~Taunusanlage~~for 12the deregistration of its shares with the US Securities and Exchange Commission (SEC), ~~60325~~Adecco’s ~~Frankfurt~~US amreporting ~~Main~~obligations will be suspended with immediate effect and are expected to terminate following a ninety-day SEC waiting period.

-Until ~~Deutsche~~December 4, ~~Bank AG~~2007, ~~London~~holders ~~Branch,~~will ~~Winchester~~be ~~House~~entitled to exchange their ADRs for underlying Adecco ordinary shares. At the end of this period any remaining shares underlying the ADRs will be sold, 1the ~~Great~~proceeds ~~Winchester~~of ~~Street~~sale will be held by JP Morgan Chase Bank, ~~EC2N~~the depositary, ~~UK;~~and the ADRs will represent only the right to receive the cash proceeds of sale of the underlying shares on a pro rata basis.

-Adecco ~~Deutsche~~plans ~~Bank~~to AGfurther develop its business operations in the US, ~~Zurich~~but ~~Branch~~wishes to concentrate its trading volume at virt-x and the Eurolist, ~~Uraniastr~~which reduces complexity and therefore costs. 9,Adecco ~~CH-8023~~considers ~~Zurich~~that US investors are an important part of its investor base and will maintain English language reporting and its relationship with US investors.

-Following ~~Deutsche~~the ~~Asset~~delisting ~~Management~~from ~~Investmentgesellschaft~~the ~~mbH~~NYSE, ~~Mainzer~~Adecco ~~Landstr~~S.A.’s ~~178~~common shares will continue to trade on virt-~~190,~~x ~~60327~~and ~~Frankfurt~~the amEurolist ~~Main~~of Euronext Paris. The Company has not arranged for the listing and/or registration of the Company’s securities on another U.S. securities exchange or for quotation of the Company’s securities on any other quotation medium in the United States.

-SOX ~~Deutsche~~Compliance ~~Asset Management (Japan) Limited, Nagata-cho, Chiyoda-ku, Sanno Park Tower 2-11-1, J-Tokyo~~

-In ~~DWS~~March 2007 Adecco was certified for SOX (~~Austria~~Sarbanes-Oxley)-404 ~~Investmentgesellschaft~~compliance ~~mbH~~as of December 31, ~~Hohenstaufengasse~~2006. 4This demonstrates that Adecco has in place and is committed to maintain internal controls throughout its global organisation that meet the world’s highest standards. After delisting and deregistering in the United States Adecco will continue to provide a high standard of corporate governance, ~~A-1010~~information ~~Wien~~and disclosure for all investors at least in line with current Swiss regulations and applicable rules of the stock exchanges Adecco shares are traded on.

LOGO

-About ~~DWS~~Adecco ~~Investment GmbH, Mainzer Landstr. 178-190, D-60327 Frankfurt am Main~~

-Adecco ~~DWS~~is ~~Investment~~the world Smarket leader in Human Resource services with sales of EUR 20.4 Abillion in 2006. The Adecco network connects over 700,000 ~~Luxemburg~~associates with business clients each day through its network of 35,000 2employees ~~Boulevard~~and ~~Konrad~~6,700 ~~Adenauer~~offices in over 70 countries and territories around the world. Headquartered in Switzerland, ~~L-1115~~and ~~Luxembourg~~managed by a multinational team with expertise in markets spanning the globe, Adecco delivers an unparalleled range of flexible staffing solutions and career services to clients and associates.

-Contacts: ~~DWS Investments Italy SGR S.p.A., Via M. Gioia n.8, I-20124 Milano~~

-Adecco ~~DWS~~Corporate ~~Investments~~Press Office ~~Schweiz, Theaterstrasse 12, CH-8001 Zurich~~

-Axel.Schafmeister@adecco.com ~~Deutsche~~; ~~Investment Management Americas Inc~~Tel., ~~345~~+41 ~~Park~~(0) 44 ~~Avenue,~~878 ~~New~~8832 ~~York, NY 10154~~

-Adecco ~~Deutsche~~Corporate ~~Bank~~Investor ~~Trust~~Relations ~~Company Americas, 60 Wall Street, New York, NY 10005-2858~~

-Investor.relations@adecco.com ~~Tilney~~; ~~Group~~Tel. ~~Limited,~~+41 ~~Royal~~(0) 44 ~~Liver~~878 ~~Building,~~8925 ~~Pier Head, GB-Liverpool L31NY.~~

- DWS Polska TFI S.A., ul. Armii Ludowej 26, 00-0609 Warsaw / PL.

4. Nature of the agreement: Group of companies

5. Number and type of shares:	2’237’911	Registered Shares: 1.185%
	4’857’251	Call Options (Long Calls, Cov. Warrants) 2.537%
	44’170’829	Put Options: 23.395%

6. Changes in the composition of the group

Change in group membership: DWS Investments (Spain) not part of the group, see above item 3.

Adecco S.A. 3 May 2007

Contact:

Investor Relations:

Tel: +41 44 878 89 25

E-Mail: investor.relations@adecco.com

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
	ADECCO SA (Registrant)
	(Registrant)
Dated: 5 June 2007	By:	/s/ Dominik de Daniel
Dated: 11 May 2007	By:	/s/ Dominik de Daniel
		Dominik de Daniel
		Chief Financial Officer
Dated: 11 May 2007	By:	/s/ Hans R. Brütsch
Dated: 5 June 2007	By:	/s/ Hans R. Brütsch
		Hans R. Brütsch
		Corporate Secretary

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