Project governance
Secure Project Access for Contractors: Who Can See, Act and Approve?
Learn how contractors can control project access, separate visibility from decision authority, document evidence and preserve a reliable record of approvals and challenges.

A specialist contractor can have the best workshop team, a clear programme and work ready for installation, then lose days chasing a decision that was supposedly made on site.
“Sent you the photos on WhatsApp mate” is not a dependable answer when the drawing has changed, the client questions the finish, or an invoice is waiting for approval.
Secure project access for contractors is not just about passwords or keeping outsiders out. It is about giving the right people access to the right project information, at the right point in the work, while preserving a record of what they were asked to decide.
That protects the contractor delivering documented work and the client paying for work that should meet the agreed requirements.
Why project access becomes a commercial problem
High-value bespoke projects involve more than a set of issued drawings.
A joinery package may depend on a site survey, a revised ironmongery schedule, a sample approval, a detail agreed with the designer, delivery constraints and an instruction issued after manufacture has started.
Each item may sit in a different email thread, drawing folder, messaging group or phone call.
Access becomes a problem when everyone can see everything but nobody can identify the current agreed position.
It also becomes a problem when the people who need to make or review a decision cannot easily see the evidence behind it.
A site manager may need the latest installation sequence. A client representative may need to approve a visible finish. A quantity surveyor may need to see the scope change, cost implications and supporting evidence. A workshop manager may need a controlled instruction before releasing material or labour.
These are different needs.
They should not all result in unrestricted access to every commercial discussion, personal contact detail or unfinished internal note.
The objective is not secrecy for its own sake. It is controlled visibility and clear responsibility.
People should be able to see what they need to act, and the project should retain an attributable record of the action taken.
Secure project access for contractors means defined roles
Many teams rely on shared folders and broad WhatsApp groups because they are quick.
They are also difficult to govern.
A person leaves the project, a consultant is added late, or a subcontractor forwards a message, and nobody is sure who has seen which version of an instruction.
A more disciplined approach starts by defining roles around decisions, not job titles alone.
For each project area, establish who can submit evidence, who can request a change, who can review it, who can accept it, and who can challenge it.
The same individual may carry several responsibilities on a small project, but the distinction still matters.
Most importantly, access should not automatically mean authority.
Being permitted to see project information or contribute evidence is different from being authorised to approve, reject or accept something on behalf of a project party.
That distinction becomes particularly important when a decision affects scope, quality, programme, acceptance or commercial progression.
For example, an installer can submit dated photographs and a delivery note against an installation milestone.
The project manager can confirm that the evidence is complete.
An authorised client representative can accept the work against agreed criteria or raise a specific challenge, with the project retaining who acted, in what capacity, against which criteria and on what evidence.
That is very different from asking a broad group, “Are we happy with this?” and receiving a thumbs-up from someone who was not authorised to approve the work.
Access should also be reviewed as the project changes.
A designer may need access during detailed coordination but not to private commercial discussions.
An insurer, adviser or replacement project manager may need a defined extract of the decision history rather than a forwarded archive of emails with missing attachments.
When somebody leaves the project, their access should be removed promptly.
Build access around the decision record
The most useful project record connects the decision to its basis.
It should show the relevant scope, drawings or specification, the evidence submitted, comments or challenges raised, the final outcome, the responsible parties and the time of each event.
This matters most when the answer is contested later.
“That is not what we agreed” is difficult to resolve from a screenshot of a partial chat.
A structured record can show which revision was under review, what condition was attached to acceptance, what evidence was available to the decision-maker, and whether a later change was formally requested.
For sensitive projects, the history should not be quietly rewritten once relationships become difficult.
Append-only and tamper-evident principles help preserve the sequence of events.
They do not decide who is right, replace the contract or provide legal advice.
They provide a clearer basis for authorised parties and their advisers to review what happened.
There is a trade-off here.
More control can feel slower if every small conversation is treated as a formal event.
The answer is not to capture every casual exchange.
It is to capture the decisions that alter scope, quality, responsibility, programme, acceptance or payment readiness.
A practical rule is simple:
If the team may need to rely on it later, put it in a record that can be found, attributed and reviewed.
A four-step workflow that supports controlled access
The workflow should fit the way specialist projects actually move, from manufacture through delivery, installation and sign-off.
It does not need to replace the planning, drawing-management or accounting systems already in use.
1. Set milestones and acceptance criteria
Before work reaches a contentious point, agree the milestone and what satisfactory completion looks like.
This may include a specified drawing revision, approved sample, installation tolerance, finish standard, commissioning result or client inspection requirement.
Make the criteria visible to the people doing the work and to the people expected to assess it.
Vague milestones such as “joinery complete” invite different interpretations.
A defined milestone creates a shared test.
2. Submit evidence against the milestone
Evidence should be proportionate to the work.
It may include photographs, delivery notes, signed site records, survey results, inspection reports, manufacturing records or correspondence confirming an agreed change.
The point is not to create paperwork for its own sake.
The point is to show the relevant evidence before asking an authorised person to make a consequential decision.
Access permissions should allow relevant reviewers to see the supporting material without exposing unrelated project information.
Evidence itself should not be treated as acceptance.
It is the basis against which an authorised review or decision can take place.
3. Accept or challenge clearly
An approval should state what has been accepted and against which criteria.
If there is a challenge, it should be specific: a damaged panel, a missing certificate, a mismatch with the agreed drawing, or an outstanding adjustment.
“Not happy” may be honest, but it is not an actionable project instruction.
Controlled challenge workflows protect both sides.
The client or representative can raise a genuine concern without losing it in a message thread.
The contractor can respond with evidence, correction details or a reasoned explanation rather than being left with an undefined objection.
The important point is not simply that an approval exists.
The project should be able to establish what was decided, who made the decision, what they were reviewing and what evidence supported it.
4. Progress payment readiness on proof
Completed work and invoice approval often become disconnected.
The work is installed, photos have been sent, someone has said it looks good, but the commercial team cannot establish whether the agreed conditions have been met.
Payment readiness is clearer when the record shows the milestone, evidence, acceptance status and any unresolved challenge.
Payment readiness is not payment.
It does not guarantee payment, determine contractual entitlement or mean that a platform holds or releases money.
It gives authorised parties a more reliable basis to determine whether the work is ready to progress commercially.
Keep external access useful, not uncontrolled
Projects often need outside parties to see information: architects, contract administrators, quantity surveyors, insurers, funders or advisers.
Sending a full email archive is rarely helpful.
It burdens the recipient with irrelevant material and risks disclosing information they do not need.
A purpose-specific Proof Pack can provide a portable record for authorised review, containing relevant evidence and decision history.
Bespea uses this approach alongside the existing tools teams already rely on, creating a governance layer rather than asking the project to abandon its established systems.
The right level of access depends on the project.
A private residential fit-out may require tighter controls around client information and security details.
A larger commercial scheme may need broader review access for a professional team.
In both cases, the principle remains the same:
Access should follow responsibility, authority should be explicit, and significant decisions should remain capable of proof.
The best time to organise project access is before the first disputed instruction, not after the first unpaid application.
Give people a clear route to submit evidence, make authorised decisions and raise challenges.
Then, when the pressure arrives, the project has more than a message saying “we discussed it on site”.
It has a decision record showing what was under review, what evidence existed, who acted and what was decided.