Here are some of the links that you may find useful: –

For the surrounding amenities: –

1. KL Sentral Station (http://www.stesensentral.com/)
2. Nu Sentral Mall (http://www.nusentral.com/)
3. KLIA Express (https://www.kliaekspres.com/)
4. Klang Valley Public Transport Porvider (MyRapid) (http://www.myrapid.com.my/)

For the related government agencies: –

1. The Companies Commission of Malaysia (https://www.ssm.com.my/)
2. InvestKL (http://www.investkl.com/)
3. MIDA – Malaysian Investment Development Authority (http://www.mida.gov.my/home/)
4. MSC Malaysia (http://www.mscmalaysia.my/)
5. Malaysia Central Bank (http://www.bnm.gov.my/)
6. Inland Revenue Board of Malaysia (http://www.hasil.gov.my/index.php?bt_lgv=2)
7. Royal Malaysia Customs Department (http://www.customs.gov.my/front.html)
8. Malaysia Government Business Portal (https://www.malaysia.gov.my/en/business)