The international companies will generally assist in relocation for those who move to Singapore and standard benefits include shipping of personal effects, initial accommodation for 2-4 weeks, an estate agent’s assistance and payment of the service fee thereof. Most local corporations will generally not want to give a relocation package. Visas need to be applied for if you are non-Singaporean but for professionals, are relatively simple to obtain by the employer.
http://www.citystate.com.sg/index.php