index.html.haml

= render :partial => "companies/menu", :locals => { :company => @company, :locations => @locations, :sectors => @sectors, :openings => @openings }

%h2= "#{@company.name} > Reviews"

#reviews
  - if @reviews.count > 0
    - @reviews.each do |review|
      %p
        "
        = review.review_text
        "
  - else
    %p No reviews yet. Why not leave your own?
    #new_review
      = form_for(@review) do |f|
        .new_review_field
...rest of the gist...

reviews_controller.rb

def index
    if @company
      @locations = @company.locations
      @sectors = @company.sectors
      @openings = @company.openings
      @reviews = Review.where(:company_id => @company.id)
    end
    @review = Review.new
  end