Stampli vs Tipalti vs Yooz for Procurement & P2P

For a $250M technology company running 4 US offices plus a Canadian development center, Stampli's role model directly addresses the need to restrict who can see and act on spend across entities and departments. Stampli separates access into three independently configured dimensions: visibility (which invoices, POs, vendors, or reports a user can see), actions (what that user can do: code, route, approve, pay, configure), and scope (whether access is limited to work assigned to the user, work matching configured criteria, or all applicable records). On the AP side, this yields distinct roles including Approver (invoice visibility tied by default to invoices assigned to them), Reviewer (read-only access scoped by an admin to a specific GL account, department, shipment number, or another invoice field), AP Authorizer, Coder/Router, Analyst, Vendor Manager, and System Admin; on the procurement side, 11 roles span the full purchase lifecycle: Requester, Receiver, Request Approver, Procurement Specialist, Procurement Admin, Procurement Approver, Procurement Reviewer (read-only), Service Ticket Owner, Budget Admin, Procurement Contributor, and Procurement Analyst. The Budget Admin role specifically enforces separation of duties so finance staff can manage budget lines without holding broad procurement admin privileges. Approval workflows are configurable by department, request amount, and subsidiary, meaning the system routes and restricts approvals to the correct entity or department without relying on email or Slack. Users can hold multiple roles, and a System Admin controls all role and scope assignments centrally.

For a $250M technology company running 4 US offices and a Canadian development center with no current procurement controls, Yooz addresses this requirement through a documented Role-Based Access Control (RBAC) system: Yooz's own security page states that 'access rights are managed through an RBAC system, ensuring that each user can only access the data they strictly need.' This operates alongside multi-company and multi-department features (listed as named platform capabilities on Software Advice and Capterra), meaning users can be scoped to specific legal entities and departments rather than seeing all spend organization-wide. Approval routing within the workflow engine is configurable by department, cost center, vendor, and invoice amount, so approvers are constrained to the scope relevant to their role. The platform also maintains a complete audit trail with timestamps and role-based access permissions to support internal controls and external audit requirements, and includes administrator-managed delegation of authority for coverage during absences.

For a 450-person, multi-office company moving off email and Slack approvals, Tipalti's Team management (Tipalti Hub > Administration) lets admins assign predefined roles or build custom roles by selecting individual permissions. The same screen sets which entities each user can view and manage bills for (Tipalti Help Center, Team management). Entity access is therefore a real per-user restriction, and multi-entity AP runs in one system with consolidated visibility rather than separate tenants (fact sheet fc91de66, e39afbb4). Department is handled differently: it is a field on intake forms and a routing attribute for approvals, and Tipalti AI routes requests by value, department, or expense type (Tipalti intake management page). Department and Class on bills are custom fields that appear in filters and reporting, not documented access boundaries (Help Center, New User Quick Start Guide). Procurement users are managed in a separate 'User permissions' area, not in Team management (Help Center, Team management).

For a $250M company currently running all budget oversight through NetSuite, Stampli offers a fully functional internal Budget Management module that enforces spend before commitment: when an employee submits a purchase request or a PO line is created, Stampli displays the applicable allocated, committed, spent, and remaining amounts in real time and can warn or hard-block a transaction when the budget would be exceeded. Stampli's Budget Management provides real-time visibility and control over organizational spending, allowing finance leaders to make informed spending decisions before a purchase occurs, with budget oversight integrated directly into the approval workflow. Budgets can be loaded via CSV spreadsheet upload or entered manually in Stampli, and auto-assignment rules can match purchase requests to the right budget line based on subsidiary, GL account, vendor, and other fields. Stampli mirrors your chart of accounts, dimensions, entities, and approval logic at the field level, with every transaction validated before posting with real-time, bi-directional sync so your ERP remains the single source of truth. However, the sync does not extend to budget data: Stampli's own help documentation explicitly states that "Stampli budgets do not synchronize with an ERP budget module." This means budget figures set inside NetSuite's budget module must be separately recreated or periodically uploaded into Stampli via CSV rather than being pulled automatically; there is no live feed from NetSuite's budget records to Stampli's enforcement layer.

For a company that now approves purchases over Slack and email and has an ops person key POs into NetSuite, Tipalti Procurement adds a front-end intake and approval layer. Employees submit purchase requests on custom forms, and rules route them to approvers. Approved requests generate POs automatically in NetSuite, and the budget status is synced from NetSuite to Tipalti so approvers can make informed purchasing decisions. In Elite plan subscriptions, approvers can also view budget vs. actual from within the approval flow. Routing logic can be tied to budget lines, and budget data is shown to approvers in real time. Tipalti therefore covers the request-to-PO stages (intake, approval, PO creation in NetSuite). Budget control works through approver visibility and budget-based routing. I found no documented automatic block on a request that would exceed the NetSuite budget.

For your setup, where requests and approvals run through email and Slack and ops keys POs into NetSuite, Yooz would sit before PO creation. Employees raise purchase requests in Yooz, and its Budget Management function applies budget rules at each stage from request through invoice approval. Those rules can monitor, alert, or block specific expenses. Budgets are tracked by the budget period, categories, and rules you define in Yooz. A budget control tab shows committed, invoiced, and available amounts. The NetSuite SuiteApp syncs master data such as chart of accounts, dimensions, suppliers, tax profiles, purchase orders and projects, which gives budgets the NetSuite coding structure to align to. I found no documentation that NetSuite budget records or amounts are pulled into Yooz, so the budget baseline is most likely defined or loaded in Yooz, not read live from NetSuite.

For your move from email and Slack requests to controlled buying, Stampli gives requesters price-bearing sources inside the purchase request, but no documented tool that compares one item's price across vendors. Admins keep preferred item lists per request type with an editable name, price and link (Stampli Preferred Items page), and AI item suggestions can be limited to uploaded catalogs or preferred lists, with rates drawn from catalog costs (Stampli AI-Powered Item Suggestions page). Requesters can also choose Shop vendor sites inside a request and punch out to Amazon Business, where they see live pricing and the organization's negotiated pricing. The cart returns as locked lines into the normal approval and budget-check workflow (Stampli help center, Amazon Business Punchout Integration). Billy splits multi-vendor requests into separate POs, which is routing rather than price comparison (Stampli Billy in Procurement page). This sits at the request and PO stage before invoice matching, and it is anchored to your NetSuite environment as system of record (fact sheet).

No public documentation covering this requirement was found on the documentation sources this vendor publishes. That is a limit of the public evidence, not a finding about the product.

For a company with 35% no-PO spend and 800+ vendors, the question is whether a requester sees competing prices for the same item before buying. Yooz documents a purchase-request-to-PO flow (create purchase requests, approval workflows, automatic PO generation, delivery tracking, budget monitoring), but I found no documentation of a catalog or side-by-side comparison of one item across suppliers. Yooz's own P2P material says it covers requisition, invoice processing and payment approval, and its requisition blog only advises requesters to review catalogs and preferred vendors. It does not describe a product feature for this.

Your team currently routes email and Slack requests to ops, who key POs into NetSuite by hand. Tipalti Procurement replaces that with an intake-to-PO flow: employees submit requests, and a Purchase Request Agent can auto-generate a complete request from a plain-language description (fact sheet, supporting tier). Requests are routed for approval, converted into POs and matched to bills in AP. Tipalti's help center documents purchase request creation, budget impact review, vendor registration and goods-received steps, but it does not document comparing prices for the same item across suppliers at the requisition stage. The only shopping-style feature found is Amazon punchout, which creates a purchase request from an Amazon order, so it prices one source and does not compare several. The spend dashboard gives after-the-fact visibility by vendor, not a pre-purchase comparison.