Consultancy, board portal, or Council? Three tools, three jobs.

The 60-second version

• A consultancy brings research, access and people to do the work.
• A board portal gets the papers to the right people, securely, and records what was decided.
• A decision council challenges the decision itself, before anyone commits.
• Most serious decisions need all three jobs done. The costly mistake is asking one tool to do another's job.

Every institution already pays for the first two in some form. Far fewer have anyone whose job is to argue the other side. This guide explains the difference, shows how the three fit together, and tells you when one is enough.

The question nobody is paid to ask

Picture a board with a $40 million acquisition on the agenda. This is an illustration, not a real client. The paper runs to 120 pages and was prepared by the people who want the deal. Advisers have modelled the synergies. The board portal has delivered the pack to every director and shows who opened it. The vote is on Thursday.

Now ask three things. Who was asked to build the strongest case against? Who was asked what would have to be true for this to fail? And who is on the record as having said so?

In most rooms the honest answer is: whoever has the courage, in the meeting, with the chief executive watching.

That gap is what this article is about.

Three tools, three jobs

Job 1: Find out, and do the work (a consultancy)

Management consulting firms, such as McKinsey, BCG and Bain, and the many specialist advisers, exist to bring what you do not have inside: market research, benchmarks, access to experts, analytical muscle, and the capacity to carry a change through.

• Built for: "What do we need to know, and who will do it?"
• You get: research, a recommendation, a plan and often people to help deliver it.
• Typically: a scoped project over weeks or months, with senior time.
• Not designed for: an immediate, repeatable, independent challenge of every decision that crosses your desk.

Job 2: Govern and record (a board portal)

Board portals, such as Convene, Diligent Boards, Nasdaq Boardvantage and OnBoard, exist so directors receive the right papers securely, meetings run properly and decisions are recorded. The category is also adding AI search and summaries across board material.

• Built for: "Has everyone received, discussed and recorded this properly?"
• You get: secure distribution, agendas, minutes, voting, tasks and an audit trail.
• Typically: an annual subscription.
• Not designed for: judging whether the decision inside the paper is sound.

Job 3: Challenge before you commit (a decision council)

The Voussoir is a decision council. You describe one consequential decision. Select seven independent seats from more than 70 specialist seats, each a different line of questioning, analyse it separately, and no seat sees another's work first. For sector decisions, specialist seats join them: finance & investment, real estate & infrastructure, pharmaceutical & healthcare, government & public sector, general multi-sector and more.

What comes back is not a score. It is a Decision Memorandum: the verdict, the strongest case for proceeding, the cost of waiting, the material risks and formal red flags, the dissent, and exactly what would change the answer.

• Built for: "Does this survive serious challenge, and what would change the answer?"
• You get: a verdict, the dissent on the record, conditions, and a ranked list of risks.
• Typically: on demand, starting from a single decision.
• Not designed for: primary research, delivery, or replacing professional advice.

Consultancy, board portal or Council: at a glance

These are general categories. Individual providers differ, and features change, so check each provider's current offering.

One decision, three ways

Take the same $40 million acquisition.

With a consultancy: you commission a market study, a valuation view and an integration plan. You get depth, benchmarks and people who can help you deliver. The recommendation is well informed and, understandably, aimed at helping you succeed.

With a board portal: the pack reaches every director securely. Questions are logged, the agenda is followed, the vote and the minutes are recorded and filed. The process is clean and the record is complete.

With a decision council: seven seats take the proposal apart separately. A finance seat questions the valuation assumptions. A governance seat asks who is accountable if integration slips. An execution seat tests whether your team has the capacity to absorb it. The result might be "proceed with conditions", with one seat dissenting and three conditions written down before the money moves.

The Council does not claim a better opinion than your advisers. It offers an independent one, argued separately, with the disagreement preserved.

Why challenge needs its own tool

Three things make challenge hard inside an institution.

• Sponsor bias. The people who prepare the paper usually want it approved.
• Social cost. Dissent in the room is expensive for the person who voices it.
• Averaging. Committees tend to smooth disagreement into a single comfortable view, and the sharpest objection disappears.

Practitioners have long used structured challenge for this reason. The "pre-mortem", popularised by the psychologist Gary Klein, asks a team to imagine the decision has failed and explain why. A decision council applies the same logic every time, with independence built in and the dissent written down.

Adversarial does not mean predetermined. The Council reaches real verdicts, including "proceed". Its job is to make sure that when you commit, you commit having heard the best argument against.

The complete path, on its own

The Voussoir works as a companion to the tools above, and it can also stand alone from first question to final approval.

1. Council. Seven independent seats, plus specialist seats for your sector. Verdict, red flags, dissent, conditions.
2. Decision Room. Score how consequential the decision is, then let the people involved record a position: concur, concur with reservations, dissent, abstain or not participating. Dissent needs a written reason. The decision is resolved as approve, approve with conditions, reject or defer, and actions are assigned with owners and dates.
3. Boardroom. A workspace for a board or committee: dockets and agendas, a Council brief on every item, an agenda that locks once the meeting is adjourned, a print-ready board pack, Reading Mode for iPads and boardroom screens, and roles for up to 15 participants.
4. Ledger. Every step is time-stamped in a hash-chained record that can be verified for tampering. It is tamper-evident, which makes after-the-fact change detectable.
5. Outcomes. Months later, return to the decision, record what happened and see how the Council's concerns held up. Over time this shows where your institution consistently over- or under-estimates risk.

Using it beside a consultancy

• Before the engagement: put the question to the Council first. The risks it surfaces make your brief to the firm sharper.
• During: test the interim recommendation before it hardens into a plan.
• After: stress-test the final recommendation before it goes to the board.

None of this replaces the research, access or delivery a consultancy provides. It makes you a better client.

Using it beside a board portal

Keep your portal. It distributes the papers and keeps the formal record. Add the Council's briefing to the pack, so directors read the strongest objections next to the management paper. If you want, the Voussoir's brief exports as a document you can attach to the pack you already send.

Going in reverse: from the boardroom back to the Council

The flow also works backwards. Suppose a director reads the pack and doubts one assumption: the integration timetable, the debt structure, the regulatory path. Rather than argue it across the table, the decision can be reconvened through the Council with the amended assumption or new facts. The new run becomes a separate, dated version linked to the original. It never silently rewrites what was decided before, and any dissent that results is recorded.

Which one do you need?

• You lack facts, access or capacity: a consultancy.
• You need papers to reach many directors securely, and votes and minutes filed: a board portal.
• You need to know whether the plan survives challenge, or want dissent on the record: a decision council.
• The decision is large and hard to reverse: all three.
• You run a committee, fund, family office or small board with no portal: the Council and Boardroom can stand alone.

What The Voussoir will not do

• It does not do primary research or deliver the work.
• It is AI-generated analysis. It can be wrong or out of date, and it only knows what you tell it.
• It is not legal, financial, tax or other professional advice.
• It does not decide. Humans decide, and the record shows who and why.
• The record is tamper-evident, not tamper-proof, and not by itself legal evidence.

Frequently asked questions

What is a decision council?

A decision council is a structured group of independent perspectives that examines one decision before it is made, and reports a verdict, the strongest case for proceeding, the dissent and the conditions that would change the answer. The Voussoir's council has seven permanent seats, plus specialist seats for sectors such as finance, real estate and healthcare.

Is The Voussoir an alternative to McKinsey?

For one narrow job, testing a recommendation or decision you already have, a council can be an alternative to commissioning a project. For everything else a firm such as McKinsey provides, including research, access, change management and delivery, it is not. The Voussoir is designed as a companion that makes the engagement sharper, or as a way to challenge decisions that never justify one.

Is The Voussoir an alternative to board portals such as Convene or Diligent?

It is a different job. Board portals distribute and record. The Voussoir challenges the decision and adds a governance workspace of its own: dockets, positions, resolutions, actions and a board pack. Smaller committees may find that enough on its own. Larger boards will usually keep their portal and add the Council's brief to the pack.

Can I use it alongside my board portal or consultancy?

Yes. That is the intended pattern for most institutions. Attach the Council brief to your existing board pack, or run the Council before you brief a firm.

How is this different from asking a general AI chatbot?

A chatbot gives one answer from one point of view. A council runs seven independent lines of questioning, keeps the dissent instead of averaging it, applies a formal red-flag protocol and automated consistency checks, and records the decision in your decision ledger. It is a process, not a conversation.

Does the Council simply vote?

No. A synthesis reconciles the seats into a verdict and keeps every dissent visible. A 5-to-2 split is reported with the reasoning of the two, not reduced to a number.

Is the record legally binding?

No. It is a tamper-evident record of who considered what and when. It supports good governance. It is not by itself legal evidence, and you should take professional advice on any legal consequence.

Who is it for?

Founders and executives facing irreversible choices, boards and committees, investment and risk committees, family offices and funds, advisers who want a faster second opinion, and public bodies preparing significant decisions.

What does it cost?

There is a free plan that runs the full Council on your own decision three times a month. Paid plans start at $99 a month. The Board plan, for up to 15 participants with the Boardroom, starts at $1,200 a month. Institutional plans are tailored.

How do I try it?

Read a finished case, or run your own decision on the free plan. No card is needed.

Where to go next

• Read a finished case to see a real Council memorandum, seat by seat.
• See the Boardroom and what it includes.
• Request a 30-day pilot to run one live decision through the whole path.
• Become a partner if you advise founders, executives or boards.
• Start free and challenge your own decision.

Names of firms and products are used only to identify categories and belong to their owners. The Voussoir is not affiliated with, endorsed by or sponsored by them. Descriptions are general and reflect public information as of 8 October 2026. The Voussoir provides decision support, not legal, financial or professional advice. The pre-mortem technique is described by Gary Klein in "Performing a Project Premortem", Harvard Business Review, September 2007.