NetSuite OneWorld in a nutshell:

It is a NetSuite cloud ERP and CRM that allows each of your group’s companies to work on a single system in order to facilitate cross-company transactions by allowing users to work on inter-company deals and it helps speed up consolidation. Management and directors have real-time, accurate data of their financial reports by subsidiary.

NetSuite OneWorld runs on a (oracle) database that they (NetSuite) secure and maintain.

Features of NetSuite OneWorld:
The cloud ERP for groups and multi nationals offer CRM functionalities that include:a) Marketing automation
b) Sales forecast
c) Opportunities, Estimates and Sales Orders
d) Items/ Services
e) Employee Time tracking
f) Support & case management for after-sales service
g) Dashboards
h) Reports

The system also provides ERP functionalities that include :
a) Customer invoicing
b) Receivables
c) Procurement
d) Payables
e) Journal entry
f) General accounting
g) Employee expense reports
h) VAT
i) Financial reports

NetSuite ERP bundles
Netsuite offers bundles to fit your business needs faster than developping it internally.
These are priced on top of the core licence fee and include elements like:
1) Fixed Assets Management
2) Advanced financial
3) Advanced inventory
4) Advanced project management
5) Localization (For VAT and Accounting purposes)