Comprehensive B2B Consulting Statement of Work (SOW) Template

# Statement of Work (SOW): Cloud Architecture & Migration

**Client Name:** [Client Corporation Name]  
**Consultant / Agency:** [Your Agency or Legal Name]  
**Effective Date:** November 7, 2026  
**Governing Master Agreement:** Master Services Agreement (MSA) Dated [Date]  

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## 1. Project Objective & Scope
The objective of this engagement is to re-architect and migrate the Client's legacy monolithic billing service to a containerized microservice architecture on AWS ECS with PostgreSQL.

### In-Scope Deliverables
- [ ] Production-ready Docker containerization for 3 microservices.
- [ ] Infrastructure as Code (Terraform) provisioning VPC, ECS, RDS, and CloudFront.
- [ ] Automated GitHub Actions CI/CD deployment pipeline.
- [ ] Technical runbook and 4 hours of knowledge transfer training.

### Explicit Out-of-Scope Guardrails
- Refactoring frontend client applications (iOS/Android/Web).
- Managing third-party payment gateway negotiations.

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## 2. Project Milestones & Acceptance Criteria

| Phase | Milestone Deliverable | Estimated Delivery | Acceptance Criteria | Fee (USD) |
| :--- | :--- | :--- | :--- | :--- |
| **Phase 1** | Architecture RFC & Terraform Scripts | Week 2 | Terraform applies clean plan in staging | $7,500 |
| **Phase 2** | Containerization & Staging Deployment | Week 4 | All unit tests pass in automated CI/CD | $10,000 |
| **Phase 3** | Production Migration & Cutover | Week 6 | Zero data loss, sub-200ms latency verified | $10,000 |
| **Phase 4** | Documentation & Runbook Sign-off | Week 7 | Client SRE team signs off on runbook | $5,000 |

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## 3. Client Responsibilities & Dependencies
The Consultant's delivery timeline is dependent upon the Client providing:
- Timely administrative access to AWS staging and production accounts within 3 business days of kickoff.
- Designee availability for weekly milestone acceptance reviews.

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## 4. Change Request Order Procedure
Any modifications to in-scope deliverables or timelines must be documented in a written Change Order signed by both authorized parties prior to beginning work. Additional engineering hours will be billed at the standard rate of **$175/hour**.