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 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:

- Director’s Dealings: Philippe Marcel _D

Directors’ Dealings

Transactions in Adecco securities by Directors and Senior Management

1. Details of the Liable Person

1.1 Family Name	Marcel
1.2 Forename	Philippe
1.3 Street	Adecco, 4, rue Louis Guérin
1.4 Postcode / City / Country	F-69100 Villeurbanne, France
1.5 Function	Non-executive member of the Board of Directors
1.6 This transaction has been executed not by the liable person, but by or on behalf of a person closely associated with the liable person.	n.a.

2. Details of the product acquired / sold

2.1 Type of transaction	Sale
2.2 Type of security	Call option
2.3 Key conditions attached to unlisted conversion and purchase rights and financial instruments (e.g. exercise price, exercise period, duration, american/european style, etc.)	- 10’000 calls    strike CHF 88    12/07    CHF 7.20 - 10’000 calls    strike CHF 90    12/07    CHF 6.10 - 10’000 calls    strike CHF 92    12/07    CHF 5.20 - 10’000 calls    strike CHF 96    12/07    CHF 3.80
2.4 Number of units traded	10’000 + 10’000 + 10’000 + 10’000 = 40’000
2.5 Price paid / received	CHF 71’885 + CHF 60’885 + CHF 51’885 + CHF 37’885 = CHF 225’540
2.6 Date of trade and place (“relevant binding transaction”)	18 May 2007
2.7 Reason for transaction (optional)
21 May 2007

1

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: 22 May 2007	By:	/s/ Dominik de Daniel
		Dominik de Daniel
		Chief Financial Officer

Dated: 22 May 2007	By:	/s/ Hans R. Brütsch
		Hans R. Brütsch
		Corporate Secretary