Capfin don't make provision for people with hearing disabilities

I'm trying to find assistance with Capfin via email. I need to speak to their accounts department. I have a hearing disability and cannot hear over the phone. According to Capfin there's no email address for their accounts department and the only way they can assist me is telephonically. This is PATHETIC as they don't make provision for people with hearing disabilities! And since when doesn't a business have an email for their accounts department. Seriously! Will never support them in this case again.