I develop Internet Projects based on DRUPAL. I have posted links about DRUPAL, but this is the short answer of why every serious organization should have a web presence like DRUPAL. But specifically...
ATTORNEY and CPA’s
A bilingual site that can capture contact requests. A way for your staff to post their own articles, and a way to SEO ( search Engine Optimize) a site with content that can be scanned and indexed by the search engine spiders.
This is most important when a practice wants to demonstrate a particular specialization, such as For-closure, Divorce, Tax...
Bilingual, Assist in customer service with directions. Contact information. And to promote the service to prospects out side the US interested in coming to the US.
There are many strategies for electronic commerce. They include Customer service, which can convert a prospect into a customer. Promotion, branding and Blogging, which can promote your service or products. And, of course, there are traditional Electronic Stores, which require integration with shipping services, ERP...
Solutions for fund raising, campaign promotion, Events. A Smart Phone (iPHONE or ANDROID) application complements these kinds of projects.