Every CFO has asked the question at least once: why does our HubSpot bill look like a car payment? Why does Atlassian keep getting bigger? And Microsoft, Slack, and Google Workspace, you'd think they were running the company on their own.
They're not wrong to ask. These three vendors represent some of the highest per-buyer spending across the market. But understanding why requires looking beyond sticker price into adoption breadth, feature expansion, and how companies actually use these platforms.
HubSpot: The $30,903 Question
HubSpot is currently the most expensive vendor on a per-customer basis. The average spend per buyer sits at $30,903, yet adoption is moderate at 37.2%. This gap tells an important story.
Most companies aren't using just HubSpot CRM. They're buying HubSpot for sales, marketing, and service. Then they're adding sales automation, advanced reporting, custom integrations. Some add the commerce hub. A few commit to full platform consolidation, replacing legacy systems with HubSpot's ecosystem.
The per-buyer figure reflects the depth of investment from the companies using it, not breadth. It's premium pricing for premium customers. If you're using HubSpot, you're typically using it across teams and investing in it seriously.
What's interesting is what HubSpot doesn't compete with. It's not just Salesforce or Pipedrive in the CRM space. It's also competing with Mailchimp in marketing automation (21% adoption, $5,074/buyer), Zapier for workflow automation (37.4% adoption, $3,331/buyer), and Typeform for form collection (28.4% adoption, $1,350/buyer). Companies choosing HubSpot are consolidating vendor count, which justifies higher per-vendor spend.
Atlassian: The Hidden Cost of Developer Infrastructure
Atlassian sits at $23,608 per buyer with 49% adoption. This is the platform tax of modern software development.
Most companies running Atlassian aren't using just Jira. They're buying Jira (project tracking), Confluence (documentation), Bitbucket or Cloud (source control), and increasingly Opsgenie or Statuspage. Many are on Data Center licenses for scale and compliance. The platform becomes foundational infrastructure that teams depend on daily.
The competition for Atlassian is fragmented. GitHub offers similar capabilities at $7,934 average spend with 56.5% adoption, but GitHub is primarily a developer platform. Notion enters the documentation and knowledge management space at $7,511 per buyer with 34.7% adoption. Neither replaces the full Atlassian stack.
The $23,608 reflects a three-to-one price premium over GitHub, but it's buying a different commitment: workflow standardization, security controls, and cross-functional integration that extends beyond development. HR teams use Confluence. Marketing plans with Jira. Executives track roadmaps in Portfolio.
What's driving this cost is the platform effect. The more teams integrate into Atlassian, the more expensive it becomes to leave. This is both Atlassian's strength and the reason some CFOs view it as vendor lock-in.
Microsoft: Ubiquity and Creep
Microsoft's landscape is complex. When you combine all Microsoft products (Microsoft 365, Teams, Azure, Power BI, enterprise licensing), the aggregate spending reaches $21,805 on average, with 57.5% adoption rate. Microsoft 365 alone averages $10,798 per buyer.
Microsoft's dominance isn't because it's the cheapest option in any single category. It's dominant because it's the integrated option. A company buys Office 365 for productivity. Then they add Teams for collaboration (integrated free). Then they add Power BI for analytics. Then they're considering Azure for hosting. Then it's Azure AD for identity. Before long, Microsoft is mission-critical infrastructure.
The key difference between Microsoft and the other two: Microsoft has the broadest adoption rate at 57.5%. This indicates that some companies pay very little for Microsoft (just Office + Exchange) while others pay massive amounts. HubSpot and Atlassian show more consistent spending density.
Google Workspace sits at $21,929 with 55.7% adoption, right in the same ballpark. The choice between Microsoft and Google is often geographic and historical rather than cost-driven. UK companies lean slightly toward Microsoft. Global startups often lean Google.
The Alternative Approach: Best-of-Breed Cost
What if you rejected the megaplatform approach and built your own stack?
Skip HubSpot for CRM. Use Pipedrive (not in top 50, so adoption is fragmented) plus separate best-of-breed tools: Mailchimp for email (21% adoption, $5,074), Zapier for automation (37.4%, $3,331), and a lightweight CRM. You're likely at $15,000-$18,000 total.
Skip Atlassian. Use GitHub (56.5%, $7,934) for version control and collaboration, Notion (34.7%, $7,511) for documentation, and Hatchbox or Fly.io for deployment. You're at roughly $18,000-$20,000 total.
Skip Microsoft for productivity. Use Google Workspace ($21,929 adoption rate matches Microsoft's) plus Slack for chat. You're likely around $25,000.
The problem is that best-of-breed feels cheaper at first but compounds in three ways: integration friction, account management overhead, and license multipliers. Every additional vendor is another contract, another renewal date, another SSO configuration. The TCO gap narrows quickly.
Why the Cost Matters Less Than You Think
The critical insight is that per-buyer spending on these three vendors is driven by platform commitment, not sticker price gouging. Companies choosing HubSpot, Atlassian, or Microsoft are often choosing them because integrating more functionality into a single platform actually reduces total infrastructure cost.
That said, the market is fragmenting. Slack (54.5% adoption, $7,555) has been cannibalizing some of Microsoft Teams' potential value. Figma (59% adoption, $5,344) is pulling design work out of Adobe's orbit. GitHub is increasingly competing with Atlassian for platform status among dev teams.
The three big platforms are expensive because they're comprehensive. If you're only paying $5,000 a year for Microsoft 365, you're not using Teams at scale, you're not adding Power BI, and you're not locked in. If you're paying $30,000+ per buyer, you've likely chosen platform consolidation as a strategy.
For most CFOs, the question isn't whether these vendors are too expensive. It's whether the platform bet is correct for your company. And that's worth a conversation with your teams before you decide to switch.
This analysis is based on anonymized, aggregated transaction data from Cledara's platform. All figures represent averages, percentages, and ratios. No individual company data is disclosed.




