Here is a Video that Egg had pointed out to me a couple years ago when I was asking a similar type of question. It shows how to use WP with a Serif Webplus site.
https://www.youtube.com/watch?v=Lj3FTD5DNnE
I never did add a blog to our company pages but I would of went the above route. It was the easiest way to implement a blog that I could find and have a similar look on both the web pages and blog.
Ray
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