The company said in a statement New Zealand's spending would be NZ$15.3 billion (A$14.3 billion), an increase of 7.4% from 2021.
The global figure for IT spending and services was put at US$4.5 trillion (A$6.22 trillion), a rise of 5.1% from 2021.
Gartner distinguished research vice-president John-David Lovelock described 2022 as the year when the future would return for CIOs.
"Simultaneously, staff skills gaps, wage inflation and the war for talent will push CIOs to rely more on consultancies and managed service firms to pursue their digital strategies.”
In Australia, the IT services sector, the segment which includes consulting and managed services and has the highest spending, is forecast to have its second highest rate of growth in 2022, up 6.1% from 2021 to reach US$39.2 billion (A$54.2 billion).
Within this sector, business and technology consulting spending, is expected to grow 8.3% to US$8.5 billion (A$11.8 billion) in 2022.
The forecast said organisations would increasingly rely on external consultants over the next few years as urgency and an accelerated pace of change widened the gap between ambitions and internal resources and capabilities.
“This will be particularly poignant with cloud as it serves as a key element in achieving digital ambitions and supporting hybrid work,” said Lovelock.
“Gartner expects the vast majority of large organisations to use external consultants to develop their cloud strategy over the next few years.”
In New Zealand, Gartner said IT services spending would grow from 8.5% in 2021 to more than US$4.5 billion (A$6.22 billion), with business and technology consulting spending expected to grow 8% to US$764 million (A$1.1 billion) in 2022.