Decision intelligence
AI that sees every angle.
Perpendikular challenges assumptions, explores opposing perspectives, detects blind spots, and turns complex questions into decisions you can defend.
Multiple perspectives. Independent analysis. One clearer decision.
The question
Should we launch in the US or UK?
- MARKETDemand signalCONFLICT
- FINANCEUnit economicsCONFLICT
- LEGALRegulatory loadANALYSED
- TECHNOLOGYDelivery riskANALYSED
- CUSTOMERWillingness to payANALYSED
- COMPETITIONIncumbent densityANALYSED
- RISKDownside exposureANALYSED
- STRATEGYCompounding valueANALYSED
- 0
- Contradictions detected
- 0
- Assumptions challenged
- 0%
- Confidence
- UK first
- Recommendation
Don’t just ask AI for an answer. Ask it to challenge you.
Perspectives
One question. Every angle.
Complex decisions rarely have one correct perspective. Perpendikular deliberately separates the problem into independent viewpoints before bringing them back together.
Market
Demand, timing, segment size and where the pull actually comes from.
Finance
Unit economics, payback period, cash exposure and downside cost.
Technology
Feasibility, delivery risk and the cost of the architecture you commit to.
Legal
Jurisdiction, contracts, liability and the regulatory load you inherit.
Security
Threat surface, data residency and the controls the decision assumes.
Customer
Real willingness to pay, switching cost and stated versus revealed need.
Operations
Who runs it on day 200, and what that complexity costs to staff.
Competition
Incumbents, indirect alternatives and the response you should expect.
Strategy
Option value, reversibility and whether this compounds or constrains.
Risk
Failure modes ranked by likelihood, blast radius and time to detect.
Perspectives run independently — no shared context, no consensus bias.
The difference
Make AI disagree with you.
Most AI systems optimize for giving you an answer. Perpendikular is designed to question it.
User
“Is Kubernetes right for my startup?”
AI
“Yes. Kubernetes provides scalability, portability and a mature ecosystem for containerised workloads…”
One perspective. No opposing case. No assumptions surfaced. Nothing you can defend in a room full of people.
For
- Scalability
- Portability
- Ecosystem
Against
- Operational complexity
- Hiring cost
- Premature infrastructure
Blind spot
Your team has no Kubernetes operator experience.
Alternative
Start with managed containers.
Confidence
0%
Contradiction engine
Find where the story breaks.
Perpendikular compares independent perspectives against each other and flags the places where their conclusions cannot all be true at once.
Finance says
“US launch has better revenue potential.”
Larger addressable spend, higher contract values.
Operations says
“UK launch has lower operational complexity.”
Single jurisdiction, one support timezone, no state-level variance.
Market analysis says
“US acquisition costs are significantly higher.”
Paid channels are 2.4× more expensive in the target segment.
Contradiction detected
Revenue potential is higher in the US, but the assumed acquisition economics may invalidate the advantage.
- Perspectives in conflict
- 3
- Severity
- High
- Resolvable with evidence
- Yes
- Affects recommendation
- Directly
2 further contradictions found · Legal ↔ Technology · Customer ↔ Competition
Blind spots
See what you didn’t think to ask.
The dangerous part of a decision is rarely the question you asked. It is the one that never came up.
- Your CAC assumption is based on a small sample.42 data points across 6 weeks, all from one channel. Confidence interval is wider than the decision margin.
- Your competitor analysis excludes indirect alternatives.Three of the five accounts you lost last quarter chose spreadsheets or an internal build, not a competitor.
- Your architecture assumes 10× growth before product-market fit.The capacity plan front-loads cost against a growth curve no evidence in the analysis supports yet.
Decision graph
Every analysis becomes a structured Decision Graph.
Not a wall of text. A traversable record of how the conclusion was reached — every assumption, every source, every objection, still attached to the decision months later.
Perspectives
Independent analysts reason separately, without seeing each other’s conclusions.
From this analysis
Market, Finance, Legal, Technology, Customer, Competition, Risk, Strategy.
Use cases
The questions worth arguing about.
Anything with a real trade-off, a real cost of being wrong, and more than one defensible answer.
- Business
Should we raise funding or bootstrap?
- Finance
- Strategy
- Risk
- Market
Tension: Dilution cost versus the speed of capturing the window.
- Technology
AWS, GCP or Azure?
- Technology
- Finance
- Security
- Operations
Tension: Discount depth versus the cost of leaving later.
- Architecture
Microservices or monolith?
- Technology
- Operations
- Risk
- Strategy
Tension: Your team topology versus the scaling story you tell.
- Investment
What are the downside risks?
- Risk
- Market
- Finance
- Legal
Tension: Modelled downside versus correlated failure.
- Procurement
Which vendor should we choose?
- Legal
- Security
- Finance
- Operations
Tension: Lowest bid versus total switching cost.
- Career
Should I accept this offer?
- Finance
- Strategy
- Risk
- Market
Tension: Compensation today versus option value in three years.
- Strategy
Which market should we enter first?
- Market
- Competition
- Operations
- Legal
Tension: Revenue size versus what it costs to serve.
- Product
Which feature should we build?
- Customer
- Market
- Technology
- Strategy
Tension: The loudest request versus the largest lift.
Evidence & confidence
Know why you believe the answer.
A confident sentence is not a reason. Every Perpendikular output carries the working underneath it — and tells you where it is thin.
Evidence
Every claim bound to what supports it.
Assumptions
Stated plainly, marked verified or not.
Confidence
Derived from evidence, not from tone.
Sources
Traceable, dated, and rated for strength.
Contradictions
Kept visible instead of averaged away.
Risk factors
Ranked by likelihood and blast radius.
Confidence
0%
Bounded by 2 unverified assumptions and 1 high-severity contradiction.
- Evidence strength
- Strong
- Contradictions
- 3
- Unverified assumptions
- 2
- Risk level
- Medium
Decision history
Still explainable months later.
Every analysis is kept whole — the question, the perspectives, the objections and the confidence at the time. Reopen a decision, see what you believed, and compare it against what actually happened.
Your decisions
- Launch in UK12 Feb8 perspectivesOutcome: on track87% confidence
- Choose GCP04 Feb6 perspectivesReview in 41 days79% confidence
- Hire engineer #428 Jan5 perspectivesOutcome: recorded72% confidence
- Open US market19 Jan8 perspectivesRevisit — assumption expired61% confidence
Showing 4 of 4 · outcomes compared automatically
The long-term moat
Decisions become intelligence.
Every decision has context, assumptions, evidence, reasoning and outcomes. Perpendikular turns those decision records into organizational intelligence — so the same mistake stops being available to make twice.
- 01
Decision
What was chosen, and under which constraints.
- 02
Reasoning
The perspectives, objections and evidence behind it.
- 03
Action
What was actually shipped, signed or spent.
- 04
Outcome
What happened, measured against the original claim.
- 05
Learning
Which assumptions held — and which never do here.
Institutional memory
The reasoning survives the people who left.
Calibration
Confidence gets scored against real outcomes over time.
Compounding
Each decision makes the next one cheaper to defend.
For teams
Turn scattered opinions into structured decisions.
Most teams already hold every perspective they need — spread across threads, documents and meetings nobody can reconstruct afterwards. Perpendikular gives that reasoning one place to live, and one shape.
Deployed in your region · Your data stays yours
- Shared decision workspaces
- Team perspectives
- Decision history
- Evidence trails
- Auditability
- Private knowledge
- Custom perspectives
- Enterprise security
- SSO
- Role-based access
- API access
Pricing
Straightforward pricing.
Start free. Move up when the decisions get expensive enough to be worth arguing about.
Pro
Most used£24/ month
For individuals.
Start Pro- Unlimited analyses
- Advanced perspectives
- Research
- Blind-spot detection
- Decision graphs
- Document analysis
- Decision history
Business
Custom
For teams.
Contact sales- Shared workspaces
- Private knowledge
- Custom agents
- Enterprise models
- SSO
- Audit logs
- API
- Advanced security
Prices exclude VAT. Annual billing available on Pro and Business.
Before you make the decision, challenge it.
Bring Perpendikular your hardest questions. We’ll look at them from every angle.
No credit card required.