Who do you write your blog for? For most lawyers, past clients and referral partners make up a large portion of their subscribers. So use that as a tool for follow-up contact with those who know your business best.
If you are in a professional service industry, like law or accounting, it can sometimes be hard to separate yourself from your business. Your clients hire you, refer you, and trust you, not your company. So why do you spend so much time marketing your business instead of yourself?