Some of the WebSphere Commerce services we have provided in the past:
Install WebSphere Commerce and its related software like Business Integration Server.
Configure Commerce server instance and payment instance.
Custom command, task, EJB development using WebSphere Commerce Studio (WSAD)
Setup WebSphere Commerce messaging
Inbound/outbound messages using XML and MQ Series
Incorporate LDAP into WebSphere Commerce
Script and develop a catalog load process for customers (ID Resolver/Mass Loader)
Payment Processor integration
JSTL and how to create new tag libraries
Enable Dynamic Caching for WebSphere Commerce
Script an ANT build of WebSphere Commerce from CVS
Deploy WebSphere Commerce in a clustered environment
Manage store configuration and operational data using WebSphere Commerce Accelerator e.g. :