How To SEO Video for YouTube Channel

Target video time 3 minutes, if longer, segment into parts 1, 2, 3, etc.
Don’t dump, drip. Upload 1 a day at most. Try to be consistent.
Encourage audience participation; subscriptions, likes or comments in video.
Use all social media connections, and monitor for participation. re. Facebook fans, Twitter followers.
Use only one YouTube Channel. Build 1 strong channel, not lots of little channels.
Use unique titles with keywords. Don’t use you brand name in the title.
No more than 10 tags, keywords only. Ask yourself how you want your video to show up in other “Related Videos”

Finally:

Use videos in blogs and posts, linking and embedding as neccessary or possible. Here you may need some help with Video Search Engine Optimization (VSEO).