Cloud Solution Provider is Microsoft's partner-led purchasing model. Rather than buying subscriptions directly from Microsoft, you buy them from a partner who holds the billing relationship, provides first-line support, and — in a good arrangement — takes responsibility for whether the licensing you hold matches the licensing you need.
The three ways to buy Microsoft cloud services
| Route | Typical size | Commitment | Support |
|---|---|---|---|
| Direct (web direct) | Any | Monthly or annual | Microsoft standard support |
| CSP via partner | 1 – 2,500 seats | Monthly or annual | Partner first-line |
| Enterprise Agreement | 500+ seats | Three-year | Microsoft with premier options |
Buying direct is straightforward and gives you a credit-card relationship with Microsoft. What it does not give you is anyone whose job it is to notice that you are paying for 40 seats belonging to people who left last year.
An Enterprise Agreement makes sense at scale, but it locks you into a three-year commitment with an annual true-up. For organizations whose headcount moves unpredictably, that rigidity has a real cost.
What changes when you buy through a CSP
- Billing consolidates — Microsoft 365, Azure, and add-ons on one monthly invoice
- Support routes through your partner first, rather than a general queue
- Seat counts can be adjusted at term boundaries without a formal amendment
- Someone other than you is accountable for the licensing being correct
Direct vs indirect resellers
The program has two partner tiers, and the distinction affects you less than it might appear.
Direct-bill partners transact with Microsoft themselves. The requirements are substantial — minimum revenue thresholds, dedicated support infrastructure, and specific insurance obligations.
Indirect resellers work through an indirect provider (a distributor such as Pax8, Ingram Micro, or TD SYNNEX) who handles the Microsoft transaction and platform. The reseller owns the customer relationship, the advice, and the support.
From your side of the table, the practical difference is minimal. Your subscriptions, tenant, and service levels are identical. What varies between partners is the quality of the people you deal with.
Switching partners
This is the question that stops most people from moving, and the answer is more reassuring than expected. Changing who you buy through does not require moving data, rebuilding your tenant, or interrupting service. Your tenant is yours. The change happens at the billing relationship level and is usually invisible to end users.
The timing constraint worth knowing: annual-term subscriptions transfer cleanly at their renewal date. Mid-term transfers are possible but the mechanics vary by subscription, so plan around your renewal calendar.
Questions worth asking a prospective partner
- 1.Who specifically will handle our support requests, and what are their response commitments?
- 2.How often do you review our license assignment against actual usage?
- 3.Will you tell us when we are over-licensed, given that it reduces your revenue?
- 4.What happens to our tenant and data if we decide to leave?
- 5.Are you an indirect reseller or direct-bill, and who is your provider?
The third question is the one that matters most. A partner whose commercial model depends on you not noticing unused seats is not aligned with you, and the answer to that question tends to be revealing.