  Young nearby stars are good candidates in the search for planets with both
radial velocity (RV) and direct imaging techniques. This, in turn, allows for
the computation of the giant planet occurrence rates at all separations. The RV
search around young stars is a challenge as they are generally faster rotators
than older stars of similar spectral types and they exhibit signatures of
magnetic activity (spots) or pulsation in their RV time series. Specific
analyses are necessary to characterize, and possibly correct for, this
activity. Our aim is to search for planets around young nearby stars and to
estimate the giant planet (GP) occurrence rates for periods up to 1000 days. We
used the HARPS spectrograph on the 3.6m telescope at La Silla Observatory to
observe 89 A-M young (< 600 Myr) stars. We used our SAFIR (Spectroscopic data
via Analysis of the Fourier Interspectrum Radial velocities ) software to
compute the RV and other spectroscopic observables. Then, we computed the
companion occurrence rates on this sample. We confirm the binary nature of
HD177171, HD181321 and HD186704. We report the detection of a close low mass
stellar companion for HIP36985. No planetary companion was detected. We obtain
upper limits on the GP (< 13 MJup) and BD (13-80 MJup) occurrence rates based
on 83 young stars for periods less than 1000 days, which are set, 2_-2^+3 % and
1_-1^+3 %.
