| Fixed-scope digitization project | One-time archive, department backlog or defined backfile conversion | Moderate at discovery, sample approval and acceptance | Medium | Milestone or project fee based on volume and complexity | Clear scope, outputs and acceptance criteria | Less suitable when volumes or indexing needs are uncertain |
| Time-and-materials project | Unclear archives, mixed-quality files or evolving requirements | Regular review and prioritization | High | Agreed rates based on actual effort | Adapts as document conditions become clearer | Final cost varies with effort and changes |
| Monthly managed document processing | Recurring paper inflow, forms, invoices or operational documents | Scheduled oversight and exception decisions | High | Monthly retainer or capacity allocation | Ongoing throughput and predictable support | Requires clear volumes, cut-off rules and service boundaries |
| Dedicated digitization specialist | Internal team needs extra capacity under its own process | High day-to-day coordination | High | Monthly dedicated capacity | Direct support integrated with client workflows | Depends on internal supervision and adjacent resources |
| Dedicated document processing team | Large or multi-department digitization programme | Shared governance and regular reporting | High | Team-based monthly pricing | Scalable capacity with coordinated roles | Needs strong intake control and stakeholder availability |
| Business-process outsourcing | Operational scanning, indexing and document handling as an outsourced workflow | Defined governance and service reviews | Medium to high | Process-based pricing, retainer or volume model | Reduces internal administrative load | Requires strong process documentation and access controls |
| White-label digitization support | Agencies, consultancies or IT providers serving their own clients | Client manages end-customer relationship | Medium | Project, batch or capacity pricing | Extends delivery capacity discreetly | Roles, confidentiality and approval ownership must be explicit |
| Build-operate-transfer | Companies building an internal document digitization function over time | High during setup and transition | Medium | Setup plus operating and transfer phases | Creates an operating model that can move in-house | Requires clear transfer scope, training and ownership planning |