If ever there was a growth story in the next 2-3 years, especially during potential economic uncertainty, then infrastructure-as-a-service (IaaS) is it. This past week, Amazon’s IaaS offering, AWS, reported sales growth of 45% from $5.11 billion to $7.43 billion, with operating income increasing 61% to $2.18 billion up from $1.35 billion. Microsoft’s IaaS offering, Azure, was up 76 percent (same as last quarter) reaching $4 billion in revenue. Microsoft’s overall commercial cloud computing revenue which includes software grew 48 percent to $9 billion. If both companies continue on this trajectory in 2019, then Microsoft will narrow its gap from 3:1 to 2:1 with Amazon.
2018 CLOUD IAAS REVENUES $26 billion AWS $10 billion MS
UPDATED PROJECTED 2019 if growth continues at current rate $16 billion MS $30 billion AWS

Amazon, Microsoft and Google Revenue Trend Chart
Note: I’ve written quite a bit of analysis over the last few months about the duopoly between Microsoft and Amazon. To quickly summarize, my first analysis discussed the strategic acquisition of Github. My second analysis discussed the great efforts Microsoft has put into become a serious bidder for the Pentagon contract.my first analysis discussed the strategic acquisition of Github. My second analysis discussed the great efforts Microsoft has put into become a serious bidder for the Pentagon contract.
Truly, there is plenty of green field for both players. The investment window for the IaaS market is far from over as it took twelve years for the IaaS market to reach $40 billion and it will take only three years to double to $80 million – and this figure is on the low end of estimates.
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Here are a few of the projections for this space from various analysts:
- Amazon’s Cloud Business could reach $71 billion by 2022 with a valuation of $350 Billion (source Jefferies – which tends to be more bullish on AWS than MS).




