They are useful tips only for you

  1. Never direct sell your products

  2. Feature your customers

  3. Give useful advice away for free, demonstrate your knowledge

  4. Keep it business like, but not boring

  5. Give credit where it is due

  6. Tell a story

  7. Plan your posts, make a note of topics covered

  8. Add value to material you quote or link to

  9. Blog news articles about your staff, area and clients

  10. Host it on a dedicated hosting, i.e. yourcompany.co.uk/blog

  11. Thinking about your audience you wish to attract, the game plan

  12. Break it up with images

  13. Keep it professional, don’t ruin it with adverts

  14. Keep it a two way affair, read other blogs and leave comments

  15. Match your blog with the company website style and formatting if possible

  16. Feature business events you attend

  17. Talk about problems your business has solved for your clients

  18. Grammar, yes I’m guilt of this one!

  19. Use attractive blog titles

  20. Space out your blog posts, blog regularly

  21. Stop emailing clients newsletters, blog it

  22. Measure and review your blog popularity

  23. Cross reference your posts with pervious posts

  24. Include key search phrases if SEO is a goal

  25. Get everyone in the company involved

  26. Think about other mediums such as Facebook and Flickr

  27. Socialise with bloggers offline

  28. Give it time!

PS:Visit my another blog, ok!

(I get this tips from here)