Welcome to the Q&A Forum

Hi Daniel, I agree with Emanuele, you can invest your time and resources in much more valuable, long-term link building strategies, that will be much more beneficial for your clients without risks that links from directories that are not necessarily that relevant or an authority towards your industry. Instead of thinking where to create links with high PageRank you should instead identify along with your clients how you can create and promote valuable and attractive assets (from content, guides, tools, giveaways, contests, etc.) with them in order to not only improve their Website popularity (with natural links, shares, references, +1's, citations, etc.) but that are also aligned with their business goals and allow you to improve your branding, loyalty, conversions, etc. If you have a bit of time you should watch the #RCS presentation of Wil Reynolds at Mozcon last year where he covered this topic. You can see what I talk about and get inspired by taking a look at this summary with the slides of the latest LinkLove presentations. By switching your focus on building links like this you can really create a competitive advantage over your local competitors that from what you shared might still be building links in a more "artificial" way. I hope this helps!