This will enable the two-year-old company to make the most of options for helicopter landings throughout Otago, Southland and Canterbury for recreation or tourism activities.
Heli Tours owner Paul Mitchell said it had taken the company a couple of years to get to this point as he had started before the company was officially launched.
"We're really thrilled and delighted that the ink has dried on this historic agreement with Doc.
"As far as I'm aware, this is the first multiconservancy concession of its type in New Zealand," he said.
It will give Heli Tours the edge over competitors by enabling it to offer multiple landing options where others might be limited by bad weather.
"The scope of the concession is so broad ... if weather conditions aren't conducive to landing in our immediate area or in Fiordland, the Canterbury sites give us the flexibility to go further afield.
"If clients want to travel to a range of sites and experience some of the very best views or activities over a few hours or a whole day, we can go from Livingstone Mountains in Southland or the Humbolts in Otago, to the Arrowsmith or Jollie Range in Canterbury to many glaciers not far from Mt Cook.
"There are so many positives to this.
"In summer we can take people to snow."
They also fly fishermen, trampers, photographers, hunters, and whitebaiters to spots which they would have difficulty accessing any other way.
"The good thing is that it doesn't take much more additional flying time to get there."
Mr Mitchell said Heli Tours was the first helicopter company to realise the opportunities available when Doc made the longer-term permits available, and put the work into going through the lengthy application process.
"I saw the opportunity and was determined to go for it.
"It was a lot of work but worth it when we reap the benefits that the scope of the permit will bring."
The process has resulted in the forging of a mutually beneficial relationship between Heli Tours and Doc.
As well as offering sponsorship for a current Doc research project, Heli Tours has offered ongoing support for Doc's research and scientific monitoring projects.
Mr Mitchell said he and his wife Katherine, both of whom have farming backgrounds, were "passionate" about the high country and the environment Heli Tours worked in.
"We're really proactive about helping Doc where we can because we have a genuine love for environmental stewardship."
Mr Mitchell said he had continued confidence in the tourism market.
"It gives us reason to be confident in the future.
"Not only will the concession be good for us, but also good for the local economy.
"We can now look to invest in more staff and in our business for growth."
The concession showed that Doc had faith in the company and its operating practices, and trusted them to operate in such a pristine region.
"We know all the good work Doc does and want to be part of that.
"We won't abuse our right to be there, we want to give back.
"We're very passionate about the environment and investing in New Zealand."
