Kwantify

The homework
behind better deals

From supplier spin
to straight answers

Know what
the supplier knows

Free, independent market intelligence for UK indirect procurement. Pricing models, margins, levers and the questions to ask, all in one place.

  • 01Negotiate from strength. Understand how suppliers price and where their margin sits, so you know which levers to pull.
  • 02Hold your own in the room. Speak with authority to suppliers and stakeholders, with the questions already prepared.
  • 03Spot the risk early. Challenge an uplift on the spot. Identify curve balls before they reach your operation.
WHAT'S INCLUDED: 
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Market guides
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Training modules
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FREE SOURCES OF MARKET NEWS

Everything you need before a supplier or stakeholder conversation, in plain English. Each guide explains how a market works, how providers make their money, and where you have leverage, followed by the questions to ask and the traps to avoid. Free, independent, and written from real negotiating experience.

Four ways in

Free. No account. No sales call.

From the guides

All guides →

Practitioner modules, on video

All practitioner modules →
Library
Supplier questions, clauses and AI prompts

Questions to put to suppliers, contract points to negotiate and ready-made prompts for your own AI tools, filtered by category.

Open the library →

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The library

Market guides & modules

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Training

Practitioner modules

Skills training on niche topics, separate from the market guides. Modular by design — dip in and out of the parts most useful to you.
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MARKET NEWS that matterS. None of the searching

The most expansive collection of curated market news. All in one page. Learn from others and become the most intelligent person in the room. 

The Friday read
One email a week with the stories that matter for your categories. Free, and easy to leave.
Your categories
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Loading this week's stories…
Stories are unavailable right now. The Toolkit's sources always work.
Looking for the free tools?
Indices, price trackers, rate cards and due-diligence checks: {{ sourceCount }} free sources in the Toolkit.
Open Toolkit →
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Every source worth reading. One place to find them

Price indices, rate cards, regulator guidance and due-diligence checks, sorted by spend area. All free to use. For this week's stories, see the Newsstand.

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Sources are independent of Kwantify and may change their access terms without notice. Suggest an addition through the About page.
About us

Why Kwantify exists

Supplier pricing, profit drivers and negotiation levers have long been kept behind closed doors or locked inside expensive subscriptions. The supplier always knew more than the buyer. Kwantify closes that gap.

It is free, independent, and built for procurement professionals who want practical answers rather than theory.

All content is created using AI but with oversight from an experienced and senior Procurement practitioner.

It empowers Procurement to
01Negotiate better deals
02Talk with authority and credibility in front of stakeholders and suppliers
03Accelerate their workflow
04Deliver on their target

How it's made

Kwantify combines AI research with the judgement of a senior procurement practitioner. AI does the heavy lifting on gathering and structuring information. Every guide is then reviewed by someone who has spent years at the negotiating table. The result is intelligence that is fast to produce, practical to use, and free to everyone.

Also from Kwantify

Supplier risk monitoring is a separate Kwantify tool that tracks financial health, news and other risk signals across the suppliers you work with. It runs as its own site.

Open supplier risk monitoring ↗
Contact us

We'd love your perspective as to how we're doing

Tell us what's useful, what's wrong, and what's missing. Corrections to a guide, a category you want covered, or a training module you'd find valuable — all of it helps.

Tell us which categories you want covered next — what people ask for most is what gets written first.

Email us
Kwantify.ai@gmail.com Every message is read, and we reply where we can.
Library

Questions & prompts

Supplier questions and contract points to take into the room, and AI prompts for your own tools. To ask a question across the whole site, use Ask Kwantify on the home page.

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Paste into ChatGPT, Claude, Copilot or Gemini and fill in the parts in square brackets. Check your organisation's AI policy first, remove supplier names, prices and personal data before using a public tool, and verify facts before relying on them.

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← Back to the guide
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Kwantify · kwantify.ai@gmail.com · Free market intelligence for UK indirect procurement

Content editor

Edit any text, drag guides and sections to reorder, then export guides.json and drop it into content/ in your Netlify repo. Changes are saved in this browser until you export.

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Price index tracker

Inflation, and
which index
you are quoting

Every uplift conversation runs on an index. This page tracks the UK measures a buyer is most often handed — CPI, CPIH, RPI, core CPI and the producer and earnings measures — so you can see where each one sits, how far apart they are, and what that gap is worth on a contract line.

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The RPI–CPI wedge
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RPI {{ infWedge.rpi }}% less CPI {{ infWedge.cpi }}%, {{ infAsOf }}.
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average gap, last 12 months
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average gap over the charted window
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extra cost per £1m of annual spend if the clause says RPI rather than CPI

Why RPI runs hotter

RPI uses an arithmetic (Carli) average where CPI uses a geometric one, which adds a persistent upward bias; it also includes mortgage interest and house depreciation, and covers a different population. The ONS states that RPI does not meet the standard for accredited official statistics, and continues to publish it only because it is still written into contracts.

The practical consequence for a buyer: a supplier proposing RPI indexation is proposing a higher escalator than CPI in almost every year, before any negotiation of caps or reference periods. From 2030 the RPI is planned to be aligned with CPIH methodology, which removes most of the gap.

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Latest readings, no history in this snapshot
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Which index belongs where

Index What it measures Where it fits Watch for
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Reading a rate before you accept it

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Where these numbers come from

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Series are pulled from the ONS time-series generator by their series IDs and checked against the title ONS returns, so a renamed or retired series is dropped rather than shown under the wrong label. When the live fetch is unavailable the page falls back to the snapshot bundled with the site.

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