What is an RFI response and how do you write one?

An RFI response is the written answer a supplier sends to a Request for Information, the document buyers send early on to learn who's out there and what they can do before they write a full RFP. It's shorter than an RFP response and rarely asks for pricing, but it still gets scored, and a weak one can knock you out before the real bidding even starts.

What an RFI actually is

RFI stands for Request for Information. Buyers send it out during early market research, before they've written an RFP or shortlisted anyone, usually to a wider list of vendors than they'd ever invite to a full tender.

It's not a buying decision yet. Think of it as the buyer sketching the market: who exists, roughly what you offer, and whether you're worth including when the real RFP goes out.

What to include and how to format it

Most RFI responses cover a short company overview, direct answers to whatever capability or fit questions were asked, a couple of relevant references, and a cover note. Buyers often send a fixed template, frequently a Word doc, and they expect you to answer inside it rather than send your own format.

Keep answers specific rather than promotional. A one-line boilerplate answer reads as filler, and it's the fastest way to get filtered out before anyone even reaches the RFP stage.

The questions an RFI actually asks

RFIs are less standardised than RFPs, but the questions cluster into four predictable areas. Knowing which is which tells you where to spend your effort, because buyers weight them very differently at this stage.

Company and capability questions are usually scored lightest — they are screening for whether you are a credible supplier at all. The evidence questions are where an RFI is really won or lost, because that is the section a buyer rereads when deciding who gets the RFP.

What a strong sample answer looks like

Take a typical RFI question: "Describe your experience delivering comparable services to organisations of similar size." A weak answer opens with "We have extensive experience across a wide range of sectors" and never lands a fact. An evaluator cannot score that, so it scores badly.

A strong one answers in the first sentence and then evidences it: "Yes — we have delivered fourteen comparable implementations to UK local authorities since 2021, three of them at or above your stated user count. The closest match is X Council, referenced below." Same length, entirely different score.

The pattern is simple enough to apply everywhere: answer first, evidence second, and make every claim something a buyer could check if they rang the reference.

How fast do you need to respond

RFI response time is usually shorter than you'd like, often one to two weeks, sometimes just days if the buyer is running a fast market scan. There's no pricing negotiation to slow things down, so buyers expect quick turnaround.

Confirm as early as possible whether you're responding at all. A late or rushed RFI response signals how you'll behave later in the deal, and buyers notice.

Answering RFIs from a knowledge base

The reason RFIs feel repetitive is that they are. Your company description, security posture, accreditations and track record are asked for every single time, in slightly different words. Teams that answer quickly are not writing faster — they are rewriting less.

A knowledge base for RFI responses is just one maintained set of approved answers with a clear owner and a review date, which every new document draws from. The work shifts from writing to tailoring, and the answers stop contradicting each other across documents, which is what evaluators notice.

It also compounds: the same library answers RFPs, tenders, security questionnaires and DDQs, because the underlying questions overlap far more than the document formats suggest.

Writing it without starting from scratch

Most RFI questions repeat across deals: company size, security posture, delivery model, references. If you've answered similar questions in a past RFI or RFP, reuse that language rather than reinventing it, but check it's still accurate.

Airprose drafts RFI answers from your own approved content and shows the source behind each one, so you're not guessing which version is current. It flags anything it can't support instead of making something up, which matters more on an RFI than people think, since it's often the first impression a buyer forms of you.