A Google Webmaster Help thread has a webmaster who launched a business web directory in the Netherlands complaining his ranking is really poor.
As you know, less than a year ago, Google began removing directories from the index. But why? Why does Google dislike web directories?
The main reason is they lack unique and valuable content – for the most part. Of course not all web directories do, but most do.
John Mueller of Google explained in the thread:
Starting a directory? Think twice.
Forum discussion at Google Webmaster Help.