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I am trying to create a table with a list for firms. However, due to the length of the firm names, it becomes a bit too wide. I have set a fixed width to the columns, but I would still like to move the table a bit to the left of the margin.
I am aware that it is not best practice to do so, but as I am already using a very small text size, I would prefer it anyway.

I have tried several of the solutions proposed in similar question, such as adding hspace*-4cm or hskip-4.0cm, etc. without any luck.

Here is the code I am using:

Any clever ideas?

begingroup
tiny
RaggedRight
renewcommand*arraystretch1.3
beginlongtablep1.6cmp3.1cmp3.1cmp0.1cmp1.6cmp3.1cmp3.1cm
textbfEvent Date & textbfAcquirer Name & textbfTarget Name & & textbfEvent Date & textbfAcquirer Name & textbfTarget Name \
endfirsthead
%
endhead
%
01/01/1999 & THALES SA & ADI LTD & & 01/01/1999 & TRAVIS PERKINS PLC & KEYLINE BUILDERS MERCHANTS LTD \
02/02/1999 & OBRASCON HUARTE LAIN SA & CONSTRUCCIONES LAIN SA & & 04/02/1999 & ADECCO SA & DELPHI GROUP PLC \
23/02/1999 & RWE AG & VEW AG & & 01/03/1999 & SAGE GROUP PLC, THE & TETRA PLC \
11/03/1999 & PENAUILLE POLY SERVICES SA & SERVISAIR PLC & & 22/03/1999 & VIVENDI SA (OLD) & US FILTER CORPORATION \
30/03/1999 & ENTERPRISE INNS PLC & CENTURY INNS PLC & & 01/04/1999 & BP AMOCO PLC & ATLANTIC RICHFIELD COMPANY \
12/04/1999 & CSM NV & LEAF OY & & 14/04/1999 & IMI PLC & POLYPIPE LTD \
23/04/1999 & GECINA SA & SEFIMEG - SOCIETE FRANCAISE D'INVESTISSEMENTS IMMOBILIERS ET DE GESTION & & 19/05/1999 & BRITISH AMERICAN TOBACCO PLC & ROTHMANS HOLDINGS LTD \
08/06/1999 & ELECTROCOMPONENTS PLC & ALLIED ELECTRONICS INC. & & 14/06/1999 & STAGECOACH HOLDINGS PLC & COACH USA INC. \
22/06/1999 & GREENE KING PLC & MORLAND PLC & & 06/07/1999 & WOLTERS KLUWER NV & BANKERS SYSTEMS INC. \
30/07/1999 & TRINITY PLC & MIRROR GROUP PLC & & 30/08/1999 & CARREFOUR SA & PROMODES SA \
25/10/1999 & TRAVIS PERKINS PLC & SHARPE & FISHER PLC & & 01/11/1999 & MORGAN CRUCIBLE COMPANY PLC, THE & VACUUMSCHMELZE GMBH & CO KG \
16/11/1999 & SAAB AB & CELSIUS AB & & 22/11/1999 & WHITBREAD PLC & SWALLOW GROUP PLC \
03/01/2000 & HUFVUDSTADEN AB & VASATERMINALEN AB & & 11/01/2000 & PUBLICIS GROUPE SA & FRANKEL & COMPANY \
12/01/2000 & SAGE GROUP PLC, THE & BEST SOFTWARE INC. & & 14/01/2000 & TELEFONICA SA & TELEFONICA DEL PERU SAA \
18/02/2000 & RADIOTRONICA SA & TELEVISION Y SONIDO TELSON SA & & 28/02/2000 & MERKANTILDATA ASA & AVENIR ASA \
07/03/2000 & KONINKLIJKE AHOLD NV & US FOODSERVICE INC. & & 10/03/2000 & PEARSON PLC & DORLING KINDERSLEY HOLDINGS LTD \
14/03/2000 & BP AMOCO PLC & BURMAH CASTROL PLC & & 15/03/2000 & SBS BROADCASTING SA & STRATEUROP INTERNATIONAL BV \
22/03/2000 & ABENGOA SA & BEFESA MEDIO AMBIENTE SA & & 24/03/2000 & RENAULT SA & BENETTON FORMULA LTD \
03/04/2000 & NH HOTELES SA & KRASNAPOLSKY HOTELS & RESTAURANTS NV & & 05/04/2000 & PIERRE ET VACANCES SA & GRAN DORADO LEISURE NV \
06/04/2000 & COMPAGNIE DE SAINT-GOBAIN SA & RAAB KARCHER BAUSTOFFE GMBH & & 12/04/2000 & CAPITA GROUP PLC, THE & IRG PLC
endlongtable

endadjustwidth
endgroup

Reset the length LTleft:

documentclass[10pt]article
usepackagelongtable

begindocument

some text\some text

setlengthLTleft-2cm
beginlongtablel
xxxxxxx
endlongtable
enddocument