Sectors
How Portuguese public administrations contract
The Public Contracts Code, electronic platforms and criteria that are not only price. What changes in a bid when the buyer is public.
Corpshore Portugal editorial team
Written by the team that builds these operations. No individual byline: this is internally reviewed work, not personal opinion.
Published

What changes when the buyer is public?
The process is public and formal. The procedure is set by the Public Contracts Code, runs on a certified electronic platform and requires a qualified digital signature. None of this is negotiable by goodwill and deadlines do not stretch.
The practical consequence is that preparation precedes the notice. Anyone who starts gathering documentation when the tender opens has already lost half the window to certificates.
Which criteria decide the tender?
In most services tenders, price carries between forty and sixty per cent and the rest spreads across technical quality, proposed team, transition plan and, increasingly, environmental and social criteria. Winning on price alone is rare and often unsustainable in delivery.
Data sovereignty appears almost always, sometimes as an exclusion requirement. Hosting and processing within European Union territory, named subprocessors and a declared subcontracting chain are the minimum.
What do the winners prepare?
Qualification documents current, verifiable references in comparable settings, a transition plan with dates and owners, and a compliance matrix answering the specification point by point in the specification's own order. Panels score against the grid, not against the narrative.
And prepares in advance. Certificates take days to obtain and have limited validity, verifiable references need permission from whoever gives them, and a transition plan is not written the night before. Anyone who starts gathering all of it when the notice appears spends half the window on documentation and the other half writing quickly what should have been written carefully.
Which procedures exist and when is each used?
Direct award and prior consultation apply below defined thresholds and are the fastest procedures, with an invitation to one or several suppliers. The open tender is the open procedure proper, published and accessible to any interested party, and it applies to most significant service contracts.
Above the European thresholds, the tender is also published in the Official Journal of the European Union and the deadlines lengthen. There are also the restricted procedure with prior qualification, in two stages, and the negotiated procedure, with tighter conditions for use.
For a supplier, the practical consequence is that the procedure determines how long there is to respond and how much work is needed before knowing whether you are even qualified. In a restricted procedure the first stage is about the company; the technical and financial proposal only exists if the company gets through.
What documentation has to be ready beforehand?
Tax and social security clearance certificates, criminal records for the members of the governing bodies, a permanent commercial registry certificate, and non-impediment declarations in the statutory form. None of these is obtained the same day and several have limited validity, which forces date management.
Then comes technical capacity: references for comparable contracts with values and dates, CVs for the proposed team, and proof of resources. And financial capacity, usually accounts for the last three years and sometimes a minimum turnover ratio against the contract value.
All of it signed with a qualified digital signature and submitted on a certified electronic platform, within the deadline to the minute. Platforms do not accept late submissions and there is no appeal for someone who submitted at one minute past five. Submitting the day before is not excessive caution, it is normal practice.
How do you read a specification?
In the order it will be scored, not the order it is written in. Find the award criterion and the evaluation factors with their weightings first, because that grid is what the panel fills in. Everything else in the document exists to fill that grid.
Then separate exclusion requirements from scored requirements. The former are binary: failing one means the bid is excluded regardless of everything else. Data sovereignty, required certifications and minimum availability commitments frequently sit here, and it is where good bids die by carelessness.
And use the clarification window, which exists and is underused. An ambiguity clarified in writing binds the contracting authority and applies to every bidder. Guessing what the specification meant is the alternative, and it is worse.
What happens after the award?
There is a prior hearing period in which bidders may comment on the draft decision, followed by the definitive award. Then comes the performance bond, where required, and contract signature, which above certain values is subject to review by the Court of Auditors.
This means several months can pass between submission and actual start of work, and that resource planning has to accommodate that uncertainty. Holding an entire team waiting for an award is expensive; having nobody when it arrives is worse.
During delivery, contract changes are limited by law. You do not informally renegotiate scope with a public client the way you might with a private one: objective modifications have their own framework and value limits, and exceeding those limits can invalidate the change.
Is it worth it for a mid-sized company?
It is worth it when there is continuity. A first tender costs a lot in preparation time and the success rate is low. The second costs half, because the qualification documentation already exists and the compliance matrix is reusable. Anyone who bids once and gives up has paid the learning cost and harvested nothing.
It is also worth it for the duration. Public service contracts typically run two to four years with renewal options, which gives revenue predictability that a private client of the same size rarely offers. For sizing a stable team, that counts.
It is not worth it if the company cannot sustainably meet the exclusion requirements. Promising data sovereignty the architecture does not support, or a dedicated team that does not exist, wins a tender and loses a contract, usually with penalties and always on the public record.
How do you build a technical proposal?
In the order of the evaluation grid, with one chapter per factor and sub-factor, and the criterion number visible in each section title. The panel scores by working through the grid, and forcing it to hunt for where a criterion is answered is the easiest way to lose points for reasons that are not technical.
With verifiable statements rather than adjectives. Experienced team scores nothing; three comparable projects, with entity, year and size, scores. The difference between an average proposal and a good one is almost entirely this substitution, and it costs nothing but discipline.
With a transition plan carrying dates, named owners and exit criteria per phase. It is frequently a standalone evaluation factor and it is where technically strong proposals lose, because they describe the service in steady state and not the journey to it.
And without exceeding the length limits. Many specifications set a maximum page count per chapter, and exceeding it can mean the excess is not assessed or, in some cases, exclusion. It is a particularly frustrating way to lose and it is entirely avoidable.
What changes in delivering a public contract?
The formality of the record. Measurement records, periodic reports at exactly the interval the specification sets, and documented evidence of each deliverable. A service delivered and not documented, in a public contract, is a service that may not be paid for, and the argument is hard to win afterwards.
Contract management on the public side has a named manager with legally defined powers, and the relationship with them is the formal channel. Informal agreements with service users do not bind the entity and create expectations that later cannot be met without a contractual amendment.
Payment terms follow their own rules and can be longer than in the private sector, with late payment interest due in case of delay. For a mid-sized company this has a direct treasury implication and should enter financial planning from the proposal stage.
And subcontracting is subject to notification and, in certain cases, to authorisation. Replacing a subcontractor named in the proposal without following the procedure is a formal breach, even if the replacement is better, and it is a mistake companies coming from the private sector make frequently.
Frequently asked questions
- Which legislation applies?
- The Public Contracts Code, which transposes the European procurement directives.
- Is a digital signature required?
- Yes. A qualified digital signature, on the procedure's electronic platform.
- Does price decide on its own?
- Rarely. It usually carries between forty and sixty per cent of the overall criterion.
- Can data leave the European Union?
- As a rule no, and in many tenders it is an exclusion requirement.
- When should preparation start?
- Before the notice. Gathering certificates after the tender opens consumes half the window.
- What is a compliance matrix?
- A point-by-point answer to the specification, in the specification's own order.
- Do references have to be verifiable?
- They do, and in a comparable setting. Generic references score poorly on almost every grid.
- Do environmental and social criteria count?
- They do, and their weight has been increasing in services procedures.
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