Penalty after 301 redirect?

[wellnesswooz]

We run a training center. We had 1 main website and 2 dedicated websites to certain themes. The 2 dedicated websites are older and the main website is about 6 months old. The 2 dedicated websites had a top 5 ranking for their most important keywords.

2 weeks ago we imported all the content from the dedicated websites into the main website. Then immediately after we did a perfect 301 redirect of these websites to the main website. 2 SEO companies checked it for us and so I'm very sure this is done right. Google immediately caught this up and gave the main website a boost. We where in the top 10 for many important keywords for 1 week. The next week all our rankings dropped. We only have a top 50 ranking for 10 keywords. Before it was 75 keywords in the top 20.

Do you know what could have caused this? Any suggestion, thought, ... is welcome!

[AlanMosley]

Can we see the website?

[wellnesswooz]

Sure. It is www.wijss.com.