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DESS matches every need to the seller that fits it best.

DESS, our Dynamic Evaluation and Scoring System, reads each buyer's written need and every seller's Passport, and introduces the seller that fits best first.

No plan, fee or favour changes the order.

What Northwind Logistics needs

Payroll for 40 staff by March

March 2027 · $10,000 to $50,000 a year

Xero syncUK and Ireland pay runsPension auto-enrolment

Deal-breaker: Annual lock-in

Sellers ranked on fitExample data
  1. 1

    AcmeBest fit

    Xero sync, monthly plan
    Meets 5 of 5
  2. 2

    Ledgerly

    No Ireland pay runs
    Meets 4 of 5
  3. 3

    Crestpay

    Annual contracts only
    Meets 3 of 5
Example: DESS checking Northwind Logistics' need against three sellers' Passports, with Acme meeting all five criteria and introduced first, with made-up companies.

DESS reads only what buyers write down and sellers approve.

From the buyer, the need, the date, the budget range, the must-haves and the deal-breakers. From the seller, the Passport, drafted from its website and approved line by line.

Every claim counts only as far as its proof. A claim in your own words counts least, a page we can read counts more, and a claim we checked or other companies confirmed counts most.

It never reads your inbox without your yes, and never uses tracking or bought data.

The buyer's need

Need
Payroll for 40 staff
Date
By March 2027
Budget range
$10,000 to $50,000 a year
Must-haves
Xero sync · UK and Ireland pay runs · Pension auto-enrolment
Deal-breaker
Annual contracts only
PassportAcmeExample data

The seller's Passport

What they sellRead from acme.com/product
Payroll software for 10 to 200 staff
Who it's forRead from acme.com/customers
UK and Ireland · Uses Xero or QuickBooks
Free trial or first stepRead from acme.com/pricing
30-day free trial
Proof a buyer can checkChecked by us
Cyber Essentials Plus certificate
Example: the two things DESS reads, a buyer's written need and a seller's approved Passport, each line lit as it is read, with made-up companies.

Fit decides who is introduced first, every time.

A deal-breaker rules a seller out. Then every must-have counts, and the seller that meets the most of them is introduced first.

DESS then weighs two chances: that the buyer agrees it fits, and that the meeting turns into real use. The buyer sees why, criterion by criterion, before saying yes.

MatchingNorthwind LogisticsExample data

What Northwind Logistics needs

Payroll for 40 staff by March

  1. 1

    AcmeBest fit

    Xero sync, monthly plan

    Meets 5 of 5
  2. 2

    Ledgerly

    No Ireland pay runs

    Meets 4 of 5
  3. 3

    Crestpay

    Annual contracts only

    Meets 3 of 5
Example: three sellers ranked on fit for one need, each miss named in plain words, with made-up companies.

Once a week, DESS matches every open need with every Passport at once.

It uses stable matching, the idea behind the 2012 Nobel Memorial Prize in Economic Sciences and the match that places doctors in hospitals. Each need gets its best available fit, and no seller gets more than it can take.A new need gets its first fit within 48 hours, and when nothing clears the bar, DESS sends nothing.

When the best fit is full, the buyer can meet the next best fit now or wait for its next opening.

Open needs

Example data
  • Northwind LogisticsPayroll for 40 staff
  • Thornbury Care HomesPayroll for shift workers
  • LarkspurCompliance software
  • Brightwell DentalSOC 2 Type II audit

Passports

One fit for every need
  • AcmeAt capacity this week
  • LedgerlyPayroll software
  • CrestpayPayroll software
  • VaultlineCompliance automation
  • Northgate AuditSOC 2 and ISO 27001 audits
Example: four open needs matched with five Passports in one weekly pass, one seller at capacity passing its extra need to the next best fit, with made-up companies.

When two sellers fit equally, the one that keeps its word goes first.

Answering requests, honouring trials and answering the vendors that fit your own needs decide between equal fits, and never above a stronger fit.

MatchingOrchard Dental GroupExample data

What Orchard Dental Group needs

Payroll and pensions for 3 clinics

  1. 1

    Acme

    Meets 5 of 5
    Answers within 2 business daysTrials honoured
  2. 2

    Ledgerly

    Meets 5 of 5
    Answers within 5 business days1 trial not honoured
Example: two sellers that fit a need equally, with the one that answers requests and honours trials placed first, with made-up companies.

No plan, fee or favour buys a higher place.

Paid plans add introductions when you fit more needs and lower your referral fee, and never change the order.

Money never enters the score. In our model of 1,000 companies, no paid plan moved a single best fit.

Sellers ranked on fitExample data

What Northwind Logistics needs

Payroll for 40 staff by March

  1. 1

    AcmeBest fit

    Xero sync, monthly plan

    Meets 5 of 5
  2. 2

    Ledgerly

    No Ireland pay runs

    Meets 4 of 5
  3. 3

    CrestpayFounder plan

    Annual contracts only

    Meets 3 of 5

More introductions a month. Same place.

Crestpay's plan

Example: a paid plan added to a lower seller's row, and the order of the sellers unchanged, with made-up companies.

When no seller here fits, we go and invite the one that does.

DESS finds the best outside fit from what is public, such as its website and case studies, and we ask it to join with a Passport. When a seller misses by one must-have, we tell it what buyers keep asking for.

NeedsKestrel RoboticsExample data

What Kestrel Robotics needs

Bookkeeping and month-end close for 65 staff

No seller on the exchange clears the bar

Best outside fit, from its website and case studies

Ledgerline

Bookkeeping for startups · ledgerline.co

Joined with a Passport

Example data

Example: a need no seller on the exchange fits, and the best outside fit invited and joining with a Passport, with made-up companies.

A person checks every introduction before it is sent.

For the first 1,000 companies, someone on our team reads each match against the buyer's criteria. Both sides say yes before anyone meets.

DESS combines rule checks, an AI reader for the written parts of a Passport and that human review.

IntroductionsNorthwind LogisticsExample data

Northwind Logistics

Payroll for 40 staff by March

Meets 5 of 5

Checked by a person

Read against Northwind's criteria before it was sent

  • Priya Shah said yes
  • Jordan Lee said yes
Both said yes
Example: an introduction checked by a person on our team before it was sent, with both sides' yes, with made-up companies and people.

Every yes, no and closed deal sharpens the next match.

DESS learns which Passports buyers say yes to, and suggests what companies like yours buy next. The rules of fit never change for anyone.

NeedsOutcomesExample data
  • Northwind LogisticsBoth said yes
  • Kestrel RoboticsDeclined: annual contracts only
  • Marlow HotelsDeal closed

Suggested from what companies like yours bought

Expense management for 60 staff

Software companies at 50 to 80 staff often add this

Example: a need suggested from what similar companies bought, beside the outcomes DESS learns from, with made-up companies.

Buyers get a shortlist without searching. Sellers win on fit, not budget.

  • Buyers

    Write a need once, and the sellers that fit arrive ranked, with every reason shown.

  • Sellers

    Keep your Passport true, and every introduction is to a company your product already fits.

  • Every company

    Most companies buy and sell, so every need you write and every Passport you keep makes the next match better.

What buyers and sellers ask about DESS

  • Can a seller pay to be introduced first?

    No. DESS orders sellers by fit to the buyer's written need, and money never enters the score. Paid plans add introductions and lower the fee, never the order.

  • How does DESS decide between two equal fits?

    It looks at how each seller keeps its word: answering requests, honouring trials and answering the vendors that fit its own needs. That never puts a seller above a stronger fit.

  • Does DESS use AI?

    Yes, for reading the written parts of a Passport, alongside rule checks. For the first 1,000 companies, a person also checks every introduction before it is sent.

  • What data does DESS use?

    Only what buyers write down and sellers approve. No tracking, no bought data, and no inbox without your yes.

Let fit decide who you meet next.

Free to join, no credit card. Buyers never pay, and sellers pay only when a deal closes.

Create your GuardLink

Or book a call with Seun to talk it through.

PassportYour companyPreview

Your company

yourcompany.com

What you sell
Drafted from your product pages
Who it's for
Drafted from your customer stories
Free trial or first step
Your free trial or first step
Proof a buyer can check
Case studies and certificates a buyer can check
Ready for you to approve
Preview: the Passport we draft for your company, with what you sell, who it's for, your free trial or first step and proof a buyer can check.