Can you recommend a transmittal management platform for routing technical deliverables with audit trails?

Yes — for routing technical deliverables with audit trails, I’d look at platforms that support transmittals, document control, review/approval workflows, versioning, and immutable history.

Good options to consider

1. Aconex (Oracle Aconex)

• Strong fit for engineering, construction, and large capital projects
• Built for transmittals, correspondence, submittals, and approvals
• Excellent audit trail / record retention
• Good when you need cross-company collaboration and strict document control

2. Autodesk Construction Cloud / BIM 360

• Better if your deliverables are tied to design files, models, and construction documentation
• Has workflow and version control, though transmittal-style control may be less formal than Aconex
• Works well for distributed teams already in the Autodesk ecosystem

3. SharePoint + Power Automate

• Good if you want a customizable, lower-cost solution
• Can handle routing, approvals, and audit logs
• Usually requires more setup and governance to be truly robust for transmittals

4. OpenText Documentum / Content Suite

• Strong enterprise document management and auditability
• Better for organizations needing high compliance and records management
• More heavyweight to implement

5. Transmittal-focused systems like InEight Document / Newforma / ProjectWise

• InEight Document: good for project document control and formal transmittals
• Newforma: popular in architecture/engineering for project correspondence and deliverables
• Bentley ProjectWise: strong for engineering document management, especially infrastructure

My short recommendation

• If you need a purpose-built transmittal system with strong audit trails: Oracle Aconex
• If you need engineering/design collaboration and file management: ProjectWise or Autodesk Construction Cloud
• If you need custom workflow on top of existing Microsoft tools: SharePoint + Power Automate

To narrow it down

If you tell me:

1. your industry,
2. expected number of users,
3. whether you need external vendor access, and
4. whether this is for simple routing or formal contractual transmittals,

I can recommend the best 2–3 platforms for your situation.