It's true that we are a 360 virtual tour company, and as virtual photographers we really like 360 virtual tours. However, it's important to remember that a 360 virtual tour is only a part of a complete marketing plan.
Other services you may want to consider besides doing a 360 virtual tour are interactive floor plans, and cinematic video tours, aerial photography, and real estate photography.
Why do you need those?
Well, because they give buyers a more complete understanding of the property they are viewing, and they have strengths that 360 virtual tours don't have.
For example, 360 virtual tours, while very impressive, are also quite warped when it comes to showing true proportions. Walls look like they are leaning in/out, and in general they give a sort of "fun-house" look to a listing, which while it is very impressive and informative to buyers, it is also somewhat misleading.
Buyers have a difficult time understanding true proportions when viewing the ultra-wide-angle views that a 360 virtual tour presents, so it is helpful to also include high-quality real estate photography alongside the virtual tour.
Cinematic video tours also have the added benefit of creating a narrative (sometimes with voiceover), and showing quick highlights of the property, often with special visual effects to enhance the presentation.
Lastly, interactive floor plans give a bird's-eye view of the property, and allow buyers to see where all the photos were taken within the property, which can provide them with a clearer frame of reference as to the layout of the property. So, be sure to ask your virtual tour provider about that.
So, whatever virtual tour company you wind up hiring, just remember that the more photography/marketing assets you commission upfront, the faster your listing will sell, and the more money it will command.