There are 25 Trophies that can be collected.

BRONZE

1st mission complete
Death of a Show man completed on any difficulty.

Rookie mode complete
Completed Rookie difficulty.

Silent Assassin
A Silent Assassin rating has been awarded.

Fully customised Silverballers
All custom Silverballer components purchased.

Fully Customised SMG Tactical
All custom SMG Tactical components purchased.

Fully Customised SP12 Shotgun
All custom Shotgun components purchased.

Fully Customised M4
All custom M4 components purchased.

Fully Customised W2000 Sniper
All custom W2000 components purchased.

Tier 2 Kruger Schmidt
Tier 2 of the Kruger Schmidt upgrade shop unlocked.

Tier 3 Kruger Schmidt
Tier 3 of the Kruger Schmidt upgrade shop unlocked.

Tier 4 Kruger Schmidt
Tier 4 of the Kruger Schmidt upgrade shop unlocked.

GOLD

Normal mode complete
Completed Normal difficulty.

Expert mode complete
Completed Expert difficulty.

Professional mode complete
Completed Professional difficulty.

5 Normal Silent Assassins
5 Silent Assassin ratings awarded on the Normal difficulty.

5 Expert Silent Assassins
5 Silent Assassin ratings awarded on the Expert difficulty.

5 Professional Silent Assassins
5 Silent Assassin ratings awarded on the Professional difficulty.

All firearms collected
All firearms collected and displayed in Hideout.

PLATINUM

Perfect Assassin
Unlock all trophies

6 SECRET

http://www.ps3trophies.org/game/hitman-blood-money-hd/trophies/

professional I think mate.