Why Validation Gets Underpriced
The single most common reason SIs underprice validation is that they estimate documentation effort the same way they estimate engineering effort — by gut feel from prior projects, without accounting for the pharma-specific overhead that turns a standard automation project into a validated one. A PLC programme that takes 10 days to write takes 15 days when you add IQ protocol development, test case execution, deviation logging, and approval cycles. A 10-day SCADA build becomes 18 days when you include OQ test case authoring, user management testing, audit trail verification, and the three rounds of QA comments that come back from the client's validation team.
The second reason is that validation is often treated as a project overhead rather than a project deliverable. When an SI bids a pharma project, the quote typically shows automation engineering hours and a line item for "documentation." That documentation line rarely captures the full scope of what a complete validation package requires — particularly the time spent at IQ/OQ execution, deviation management, and VSR production.
Experienced pharma automation engineers billing at €600–900/day routinely spend 3–5 days building a validation package from scratch for a single project. That is €1,800–4,500 of billable time before the first test case is executed. If this time is not explicitly priced into the project quote, it comes out of margin. Repeat this across three projects per year and you have an undisclosed overhead that can eliminate profit on an entire contract.
The Five Cost Categories to Scope Separately
Validation work on a pharma automation project falls into five distinct cost categories. Each has a different cost driver and a different risk profile for scope creep. Estimating them as a single block makes it impossible to identify where overruns originate and harder to negotiate scope changes with the client.
Category 1 — Scoping Design Documents
The design documents — Validation Plan, URS, FDS, HDS, SDS, Risk Assessment, and Traceability Matrix — are the most time-consuming category to produce from scratch. The key cost drivers are system complexity (number of I/O points, number of functional requirements, number of software components), the client's existing URS maturity (some clients arrive with a detailed functional specification; others have a one-page wish list that requires significant workshop time to develop), and the GAMP category of the system.
A Category 3 configurable product with minimal custom code requires far fewer design documents than a Category 5 custom application. A GAMP 5-aware client who has designed systems before will require fewer iterations on the URS than a client doing their first validated system. Both factors must be scoped explicitly, because both drive day count significantly.
A practical rule of thumb: allow one day per major document for a straightforward system with a well-defined URS, and two to three days per document for complex systems or clients with immature requirements. For the Traceability Matrix specifically, allow time for the initial build and at least two update passes as design documents evolve — the TM is a living document throughout the project lifecycle.
Category 2 — Scoping Test Protocol Authoring
Test protocol authoring — writing the FAT, SAT, IQ, OQ, and PQ documents before they are executed — is distinct from execution. Many SIs price this as part of execution ("we write it as we go"), which creates a quality problem: a test protocol written on the day it is executed is not a pre-approved protocol. GMP requires that test protocols be reviewed and approved before execution begins. The authoring cost is therefore a genuine pre-execution project cost.
The main cost driver here is I/O count and functional complexity. An OQ for a 40-point system with 15 functional requirements is a very different document to an OQ for a 200-point system with 60 functional requirements. Allow approximately one day per protocol for a simple system; two to three days for complex systems where every function requires a documented test case, expected result, and pass/fail criterion. The IQ/OQ/PQ structure governs what each protocol must contain — knowing this structure in advance lets you estimate page count and day count reliably.
Category 3 — Scoping Protocol Execution
Protocol execution is the most visible validation cost to the client because it involves engineers physically on-site, walking through test cases with QA representatives present. It is also the most variable — a FAT that the client's QA team attends as witnesses takes longer than one executed by the SI alone, because every test case requires sign-off before proceeding.
For FAT and SAT, estimate execution time from the number of test cases and the likely pass rate on first execution. A system that went through robust commissioning before FAT will execute quickly. A system where commissioning and FAT are effectively happening simultaneously will be slow and expensive. Price accordingly — and be explicit in the contract about what "commissioning complete" means before FAT starts.
For IQ and OQ on-site, account for travel time, site access procedures (gowning, induction), and the reality that pharma sites run on their own schedule. An IQ nominally requiring three days of execution often takes five calendar days because of access constraints, QA availability, and the time required to log and resolve deviations in real time.
When a client QA engineer must witness and sign every test case in real time, your execution speed is capped by their availability and attention span. A test step that takes two minutes to execute and one minute for the engineer to record takes five minutes when a QA witness reads the expected result, watches the test, asks a clarifying question, and signs the protocol. For heavily witnessed protocols, add 40–60% to your base execution estimate.
Category 4 — Scoping Deviation Management as Contingency
Deviation management is the category that collapses project margins when it is not properly scoped. Every test failure during FAT, IQ, or OQ creates a Master Deviation Ledger entry, a root cause investigation, a corrective action, and a retest. On a well-engineered system, Category A deviations (critical failures) may number zero or one. On a system where the engineering was compressed, you may encounter ten or more.
The correct approach is to scope deviation management as a contingency line — separate from the base price — with an explicit change control mechanism if it is consumed. A typical contingency for a mid-size project is two to four days. If the project encounters more deviations than the contingency covers, that is a scope change, not an SI overhead.
This framing also creates a commercial incentive for the client to allow adequate engineering time before FAT. An SI who absorbs all deviation costs as overhead has no mechanism to recover from a client who rushes to FAT before the system is ready. An SI who has priced deviation management as contingency can demonstrate directly what poor engineering preparation costs.
Building the Quote — Presenting Validation as a Service Line
The most effective way to present validation pricing is as a separate, named line item in the project proposal — not buried in "documentation" or "engineering." A proposal structure that shows:
- Automation Engineering: X days
- Commissioning and Site Works: X days
- Validation Documentation and Protocol Authoring: X days
- Validation Execution (FAT + IQ + OQ): X days
- Validation Closeout (VSR + Handover): X days
- Deviation Management Contingency: X days (consumed as needed, unused portion returned)
...positions validation as a professional service with defined deliverables, not an overhead. It also gives you a clear mechanism for scope changes when client requirements evolve — if the client adds 30 I/O points to the URS after the Validation Plan is approved, that is a change to the validation scope, not just the engineering scope.
When clients push back on validation pricing, the most effective counter is specificity. Show them the list of documents that will be produced: VP, URS, FDS, HDS, SDS, Risk Assessment, Traceability Matrix, FAT, SAT, IQ, OQ, VSR — and explain what each one contains and why. A client who sees a 29-document list understands that this is not administrative overhead. It is a professional deliverable package that protects them during every future audit. The value of validation is not the documents themselves — it is the audit defence they provide for the operational lifetime of the system.
Day Rate Considerations for Validation Work
Validation documentation is specialist work. An engineer who can write a technically sound, GMP-compliant OQ protocol — one that will survive QA review without major revision — is more valuable than one who cannot. The day rate for validation authoring and execution should reflect this, and should not be the same rate as for general automation engineering if the skills are genuinely differentiated.
On projects where the SI provides both automation engineering and validation, the combined day rate blended across the team can obscure this differentiation. If your validation-competent engineers are also your most experienced automation engineers — which is typically the case — blending rates means you are subsidising junior engineering work with senior validation expertise. Tracking time against project categories separately helps identify where this cross-subsidy is occurring and whether the project rate structure needs adjustment for future bids.
What Having Templates Changes About Pricing
Working from a pre-built validation framework changes the economics of Category 1 significantly. A URS template that already contains the correct section structure, regulatory cross-references, and example requirements reduces authoring time from two days to half a day for a standard system. An IQ template pre-populated with the standard document verification checks, calibration certificate table, and I/O loop check format eliminates the overhead of designing the document structure from scratch.
This does not reduce the total project price — it shifts margin. The client still pays for a professionally delivered URS and IQ protocol. The SI produces them faster with a higher margin. Over a year of projects, the compounding effect of this margin improvement is substantial. A contractor billing at €700/day who saves two days per project across five projects per year recovers €7,000 in billable margin — from a tool that costs a fraction of that once.