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Key Takeaways
The short version if you are pushed for time.
Email is the only marketing channel where a recruitment business owns its audience outright, and it’s consistently reported as the highest-return channel there is. Used well, it re-ignites lapsed contacts, nurtures people who aren’t ready yet and builds your authority, all while you’re busy billing.
- Social platforms control your reach. Your email list doesn’t.
- Email is commonly cited as returning £36 to £42 for every £1 spent, well ahead of paid search and social ads.
- Candidates and clients behave differently in the inbox, so keep your lists separate and write to each one differently.
- Your lapsed database of past clients and candidates is likely your most valuable and most neglected asset.
- A weekly rhythm and automated sequences separate the results, and clean, permission-based data keeps you in the inbox.
The One Audience You Own
Start with the thing that makes email different from everything else.
Every other channel is rented. You build an audience on LinkedIn, and LinkedIn owns the relationship. The same is true of Instagram, TikTok and Facebook. You are a tenant. You follow the rules, you get the reach the platform decides to give you, and if the terms change, you can’t do anything about it.
Email is the one place where you own the audience outright. When someone joins your list, that is a direct line to them, with no platform in the middle and no reach being cut back. If a thousand people are on your list, you can reach a thousand people whenever you choose.
This matters more than it used to, because the rented channels have got harder. Reach is down, and organic posts reach fewer people. So the audience you own is worth more now, not less.
The scale is worth a mention. There are around four and a half billion email users worldwide in 2026, roughly half the planet. In the UK, internet use is close to universal at around ninety-eight per cent of the population, and email is the default for almost everything you do online. Ninety-three per cent of people check email every day, most of them several times a day, and nearly two-thirds check it mainly on their phone. The people you want to reach, hiring managers, candidates and past clients, are in their inbox every day. You do not need to catch them in a feed. You land where they check by habit.
Why Email Still Returns More Than Any Other Channel
Across every industry, email is consistently reported as the highest-return marketing channel. Most sources land somewhere between thirty-six and forty-two pounds back for every pound spent. Take any single number with a pinch of salt, because this is hard to measure precisely, but the direction is consistent across many independent reports. Email returns more than paid search, social ads, and display, by a wide margin.
There is a good reason for that. Email returns so much because you are marketing to an audience you have already built. You are not paying to acquire those people every time you send. You paid once, through whatever brought them onto the list, and every email after that is close to free. That is the compounding effect of an audience you own.
What the Recruitment Data Tells You
A 2025 analysis of the sector found that staffing companies average an open rate of just over thirty-one per cent, about forty-six per cent higher than the general benchmark of around twenty-one per cent. Recruitment emails get opened more than most, which makes sense given how much people care about jobs, talent and their own market.
The finding that should change how you think about email is what happens when you split the audience into candidates and clients. They behave completely differently.
Candidates open more. They are curious. They will open your email, have a look, and often do nothing else. Clients and hiring managers open less often, but when they do open, they click through at more than three times the rate of candidates. In the data, it was around thirteen per cent for clients against under four per cent for candidates.
That is worth sitting with. A hiring manager who opens your email and clicks is a highly qualified, intentional reader. They are not browsing. They opened because the subject was relevant, and clicked because they wanted what was inside. That is a warm commercial signal, sitting in your email data.
Most recruiters never look at this. They send the same email to everyone, candidates and clients mixed, and measure one blended open rate that tells them almost nothing. The lesson is simple: keep your candidate list and your client list separate, and write to them differently, because they want different things and behave differently.
One honest point cuts the other way. Recruitment has one of the highest email bounce rates of any sector. The reason is exactly what you would expect: bought-in lists, old data, and the fact that a business email address dies the moment someone changes jobs, which in our world happens constantly. Email rewards a clean, permission-based list you own, and it punishes the shortcut of buying a list and blasting it. That is not a moral point; it is a deliverability one. Take the shortcut, and your emails stop reaching the inbox.
What Email Does Best for Recruiters
Re-igniting people you have stopped talking to you. Every recruiter is sitting on a database of past clients and candidates they have not spoken to in months, sometimes years. People who liked working with you and would happily hear from you, who drifted only because you got busy and life moved on. That database is the single most valuable asset most recruitment businesses own, and the most neglected. A simple, warm campaign to people who already know you will nearly always do better than anything you send to cold strangers, because the relationship already exists. You are reminding, not introducing.
Nurturing the people who are not ready yet. At any moment, only a small slice of your market is ready to hire or move today. The rest will be ready at some point over the next year or two, and you cannot know exactly when. If you only contact someone when you want something, you will always arrive at the wrong moment. Show up in their inbox regularly with something useful, and you become the name they think of when the moment finally comes.
Building authority as the person who understands their market. A regular newsletter, market updates, salary insight and a genuine point of view on their sector is how you stop being a supplier and start being an adviser. That is how you build the kind of reputation that brings people to you.
One example from the research, and it is an example rather than a promise, because results depend on your market and your list. One recruitment company built a salary guide as a lead magnet, offered it through email and content, and saw over sixteen hundred downloads and a forty per cent newsletter opt-in rate, feeding a pipeline of warm client leads. That is the model: useful content, offered through email, building a list of people who have raised their hand.
Consistency and Automation: What Separates the Results
Two things separate recruiters who get results from email from those who do not.
The first is consistency. Sending roughly once a week produces far more engagement than sending sporadically. The occasional big blast, when you suddenly remember your list exists, does not work. A steady rhythm does.
The second is automation, where email has an advantage nothing else can match. You can set up sequences that run on their own: a welcome sequence for anyone new, a re-engagement sequence for people who have gone quiet, and follow-ups triggered by what someone does. Automated, triggered emails hugely outperform one-off manual sends, many times the engagement and the return, because they arrive at the right moment for that person rather than whenever you pressed send. This solves the real problem: marketing stops the moment you get busy in a live role. An automated sequence does not get busy. It keeps going while you deliver.
Deliverability and the Rules, Kept Simple
Deliverability means getting into the inbox, not the spam folder. Roughly one in six to one in eight legitimate marketing emails does not reach the inbox. You cut that risk by keeping your list clean, only emailing people who want to hear from you, and getting the technical setup right, which is a one-off job your provider or someone technical can sort for you. It comes with a few initials: SPF, DKIM and DMARC. You do not need to understand them; you need them done.
Rules differ by country, and this is not legal advice, so seek proper guidance for your situation. In short: in the UK you can generally email a named person at a limited company for business reasons, as long as you have a clear reason and an easy way to opt out, while sole traders and partnerships are treated as individuals whose consent you need first. The US and Australia lean more towards consent. The common thread is the same everywhere. Be honest about who you are, only contact people you have a proper basis to contact, and always make it easy to unsubscribe.
Is Email Right for You Right Now?
- Do you already have a list? Even a modest one of candidates and clients who gave you their details willingly. If yes, email is one of the best uses of your time, and its value grows with the size and quality of your list.
- Can you commit to a regular rhythm? Irregular, poorly targeted sending does more harm than good. If all you can manage is the occasional blast, start there.
- Are you starting from zero contacts? Email is still worth building towards, but pair it with a channel that gets you in front of new people first, LinkedIn being the obvious one, and use that to build the list; email then works.
For most established recruiters, the honest answer is that email is sitting there, underused, with your most valuable audience already on it. The list you have got is worth more than you think.
Denise and Sharon
