The Family Holiday Association is looking to appoint a £36,000-a-year programme and policy manager who will enforce its wider vision.
The association has traditionally operated on an ad-hoc basis in funding holidays for around 1,000 families affected by poverty or disability each year.
But it now plans to work more strategically with partner organisations including local authorities as well as spending more time quantifying the effects of its work.
Director John McDonald said: "We have looked at how we measure our work.
We have to monitor whatever we do to accurately evaluate and constantly improve the value we get."
The charity's Family Breaks Project, which provides holidays for families under severe stress, demonstrates the new collaboration. Funded by a £180,000 grant from the Community Fund, the association worked with family mentoring charity Home-Start, which provided a business plan for the venture.