TAM, SAM and SOM
Also called Total addressable market, Market sizing
Three nested estimates of how big the opportunity is. Frequently invented, and investors know it.
Every trade has words it uses without explaining. In business the cost of not knowing one is real: some of them are ordinary jargon and some of them are a decision that can take a house.
Please note: This page explains what a term means. It is general information, not legal, financial, tax or investment advice, and it does not know anything about your business. Before you sign, file or commit to anything, check it with an accountant, a solicitor, or the official guidance we link to.
Studying business? We write GCSE revision songs, and there is one for business studies. Listen to the revision playlist.
22 terms filed under T, showing 1–10 (page 1 of 3).
Also called Total addressable market, Market sizing
Three nested estimates of how big the opportunity is. Frequently invented, and investors know it.
Cover for the accountancy fees of an HMRC enquiry. Cheap, and it removes a decision.
Also called Tech debt, Legacy system
The accumulated cost of shortcuts taken to ship sooner. Real, and it charges interest.
Checking the technology before you buy a business, or before somebody buys yours.
Also called RFP, ITT, Bid, PQQ, Framework agreement
A formal competitive process for winning work, especially in the public sector. Rules-bound, and the rules matter more than the pitch.
Actually winning a tender: the parts of the process that decide it.
Also called Heads of terms, Letter of intent, LOI
A short summary of the deal, mostly not legally binding, which nonetheless decides almost everything.
Also called T&Cs, Terms of business, Terms of sale
The contract you are actually trading on, whether or not you wrote one.
Where the owner's hours go. The scarcest resource in a small business.
An arrangement with HMRC to pay tax in instalments. Available, and better used early.
If there is a word you have been nodding along to, tell us and we will write it up. This library exists because of the questions people were too polite to ask.
Ask us to add a termAccessibility toolkit
Done