DORO is a multi-purpose template. It has pinned vertical menu (black and white). It also has some opacity scrolling effects.
Demo: https://themeforest.net/item/doro-creative-agency-multipurpose-template/23355762
Scalo is a WordPress theme, specially made for startups and service based SaaS businesses.
Demo: https://themeforest.net/item/scalo-startup-saas-wordpress-theme/41588402
ProHauz is a WordPress Theme for home improvement and maintenance services such as plumbing, ventilation, heating, air conditioning and solar system services but works well with other businesses as well.
Demo: https://themeforest.net/item/prohauz-hvac-services-wordpress-theme/23088023
Minim a minimal business WordPress theme crafted for entrepreneurship business or blogging.
Demo: https://themeforest.net/item/minim-minimal-agency-consultancy-wp-theme/20267937