Relevant updates that you should consider include recently completed projects, new cooperation’s, news coverage, creative tips, new features or products and anything that shows your business as an active and serious operation.
I think linkedin is more on building professional reputation, hmm.. for businesses I think it will also do. Just connect to business niche relevant to yours, and also build following.
For promoting your website you can use LinkedIn but rather than this you can use it as a strong social media platform for your website by sharing article, information, images related to your website or you can participate in your niche post that also give you good results is you use your website link wisely.
1. Create a Company Page
2. Highlight Your Business on Your Own Profile
3. Update Frequently
4. Use Great Visuals
5. Start a Group
6. Participate in Other Groups
7. Get Employees and Partners on Board
8. Write Smart
9. Interact with other users