BuddyPress.org

Problem solved

Solution provided by buddydev.com

Paste the following code in your bp-custom.php file

function buddydev_hide_add_friend_button( $button ) {

	$displayed_user_id = bp_displayed_user_id();

	$user_id = ( $displayed_user_id ) ? $displayed_user_id : bp_get_member_user_id();

	$member_type = bp_get_member_type( $user_id );

	if ( 'business' !== $member_type ) {
		return $button;
	}

	return '';

}
add_filter('bp_get_add_friend_button', 'buddydev_hide_add_friend_button');