Small is a totally responsive and retina ready Interior Design & Architecture WordPress Theme.
Demo: https://themeforest.net/item/small-tiny-house-living-lifestyle-wordpress-theme/42277101
JA Small Biz is multi purpose Joomla template for Business, corporate or company websites with 4 pre-made demos for Barbershop, Gym, Wedding and Car Services and it can be adapted for other business easily.
Demo: https://www.joomlart.com/joomla/templates/ja-smallbiz
Kingo WordPress Theme is a responsive WordPress theme designed specifically for small businesses like accountant, hairdresser, lawyer, financial advisor, yoga studio, healthcare and medicine, restaurant, bed and breakfast, life coach, tourism, etc.
Demo: https://themeforest.net/item/kingo-landing-booking-for-small-businesses/23385668