From the buyer's chair, every outbound agency sounds identical. Everyone has case studies. Everyone has a process. Everyone has a deck with an arrow going up.
I am the person on the other side of that table, and the difference between the outfits that deliver and the ones that do not almost never shows up in the pitch. It shows up in the answers to eight fairly boring questions, and most founders ask none of them.
So here is the call I would run if I were the one hiring. Eight questions, in the order I would ask them, and what a real answer sounds like.
1. Can I see a sample list before I see any copy?
Put this first. Nothing separates people faster.
Ask for fifty rows of the actual list they would build for you. Company, person, title, why this person is on the list. Then check twenty of them yourself. If a third of them are the wrong seniority, or companies that could never afford you, or people whose job has nothing to do with buying what you sell, nothing downstream can save that campaign.
A good answer sounds like a set of rules: how they decide who belongs, which titles they exclude on purpose, how they handle companies with several plausible buyers. A weak answer is a tool name. Tools are where data comes from, not how it gets chosen. I broke down what separates a good list from a bad one in more detail elsewhere.
2. Where does the data come from, and what bounce rate do you treat as acceptable?
You want to hear a number, and you want it to be low.
Verified addresses only, every send, with a named verification step in the process. If they shrug at the question, or tell you a few percent of bounces is normal, they are about to spend your sending reputation and hand you the invoice. Once your domain is flagged, the cost is not the campaign. It is the months you spend getting delivery back.
3. Who actually writes the messages, and who answers the replies?
Two different questions in one, and both matter.
There are plenty of outfits that will charge three to five thousand a month upfront, run a playbook that was current three years ago, and book you nothing. I see this with sales development hires as well as agencies. The person selling you is rarely the person doing the work, so ask who that person is and what else they are running this month.
The second half is the one nobody asks. Replies arrive, and many of them are not a yes or a no. They are a question, a referral to a colleague, a "not now, talk to me in March". Who reads those, how fast, and where do they get recorded? A campaign with nobody staffed on the inbox leaks more money than a campaign with mediocre copy.
4. What volume will we do per month, and how do you get there?
Ask them to show the arithmetic rather than a promise.
For one client the volume plan was written down to the account: how many LinkedIn profiles, how many mailboxes behind each rep, and around 2,800 people contacted per LinkedIn account per month. That is what the volume question should sound like when someone has actually done it: accounts, contacts per account, per week, per rep, and a plan for what gets added when something works.
If the answer is a single number with no structure under it, they have not thought about how it will be produced, and you will find out in month two.
5. What are you going to report, and does it include the numbers you will not like?
Three things should appear in every report: how many people were contacted, how many replied, and what happened next.
Get specific about the last part. Calls booked is a flattering number on its own. Calls booked, calls that actually happened, and deals signed is a real one. In one campaign I ran, the booked figure and the showed-up figure were several calls apart, and that gap is a coaching conversation about reminders and timing, not something to hide in a monthly summary.
A good partner volunteers the gaps. If every report is a highlight reel, you are being managed rather than served.
6. What do you need from us?
Ask it exactly like that, and listen for whether the answer is honest.
The right answer is uncomfortable. They need your case studies. They need your profiles rebuilt before anyone sends anything from them. They need someone available to take calls within a week of the booking. They need a sales process that already works at small numbers, because volume magnifies whatever is there. They may need you to narrow who you sell to.
"Nothing, we handle everything" is a sales answer. Outbound is the front of a machine that runs through your company. If the front is the only part anyone touches, you will get activity and not much else.
7. When does the first message go out?
If the answer is day two, be careful.
On one rebuild we spent over a month on setup before a single campaign launched, and the sending that followed paid for the wait several times over. The setup was not a delay, it was the reason the sending was worth anything.
Any team can start sending on Monday. The question is what a prospect finds when they go looking, and they always go looking. That whole idea has its own post: what a stranger finds when they check you out. If you want the calendar view of what comes after launch, I have written that out month by month.
8. Will you tell us if we are a bad fit?
The best signal in the entire conversation is whether the person across from you is willing to lose the deal.
My own list of disqualifiers is short and I say it out loud. If you have no proven offer yet, this is not for you, because lead generation and building a business from zero are different jobs. If your team cannot handle the calls we book, we will be creating a problem instead of solving one. If you are the kind of company that pauses campaigns because you are busy, we should not start.
Somebody who qualifies you has an opinion about what works. Somebody who says yes to everything has a sales target.
Red flags I would walk away from
A guaranteed number of leads or meetings. Whoever promises it does not control most of what decides it: whether you show up to the calls, whether your team closes, whether your market wants the thing. What a promise like that really does is make the number the product, and from the day you sign, both sides stop looking at whether the business is getting healthier.
Pay per lead, with no definition of what a lead is. You will receive exactly what you paid for, which is rows in a spreadsheet.
"We will send 100,000 emails." Volume on top of a broken funnel is just a faster way to find out it is broken.
Lists bought from a freelancer and reused across clients. You can usually tell because the bounce rate is high and the targeting is vague in two directions at once.
No case study with a real number and a timeframe in it. Not a testimonial. A number, a period of time, and a named outcome.
The thing I wish more buyers knew
Almost every failed outbound engagement I have been asked to rescue failed in the same two places: the list and the foundations. Not the subject line, not the tool, not the channel. Those two.
So when you interview an agency, spend eighty percent of the call on who they will contact and what they will need from you, and almost none of it on the messaging they promise to write. The copy is the easiest part to fix later. The rest is not.