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What a cold email agency needs for each client, what that infrastructure costs, how agencies price their work, and how to keep ten clients from turning into ten fires. Written by the people who set up the inboxes agencies send from.
By Ali Tahir Sajjad, Chief Operating Officer · Published November 11, 2026
Looking to hire a cold email agency? This guide is for people starting one, but the sections on pricing models and what a good agency reports are what to ask any agency before you sign. Disclosure: PureMail sells the inboxes agencies send from.
The job
A cold email agency books meetings for its clients by emailing people who have never heard of them. The client pays for the pipeline; the agency supplies the targeting, the copy, the sending infrastructure and the daily work of keeping it all out of spam.
That last part is what separates agencies that last from those that do not. One client’s campaign can send thousands of emails a day, across dozens of inboxes and domains. If any of it is set up badly, replies drop, the client blames the copy, and you lose the account. Start with the infrastructure, then sell.
Cold email infrastructure for agencies
Six pieces, the same for every client. Keep them separate per client, so a problem in one account never reaches another.
Lookalike .com domains for each client, never the client’s main domain. About one for every two inboxes.
From: Registrar
Google Workspace and Microsoft 365 mailboxes on those domains, with SPF, DKIM, DMARC and MX set on every one.
The tool that sends, rotates inboxes, warms them up and collects replies. Pick one with a workspace per client.
Contacts that match the client’s ideal customer, from a data provider or your own research.
From: Data provider
The sequences you write, and a weekly report the client can read in two minutes.
From: You
Costs
Inboxes and domains for one client at three sending volumes, at 30 cold emails a day per warmed inbox and two inboxes per domain. Inbox prices are PureMail’s; domains at about $12 a year each.
| Client sends a day | Inboxes | Domains | Inboxes a month | Domains a month | Total a month |
|---|---|---|---|---|---|
| 500 | 17 | 9 | $56.10$3.30 each | ~$9 | ~$65 |
| 1,000 | 34 | 17 | $105.40$3.10 each | ~$17 | ~$122 |
| 2,500 | 84 | 42 | $260.40$3.10 each | ~$42 | ~$302 |
Before your sequencer, lead data and verification, which are priced by plan. Domains are paid yearly; shown as a monthly share. For other volumes, use the cold email calculator.
Two things follow from the table. First, sending infrastructure is a small line on the invoice: a client sending 1,000 cold emails a day costs about $122 a month in inboxes and domains. Second, the real cost of an agency is time: building lists, writing copy, handling replies and fixing what breaks. Price for that.
Order each client’s inboxes separately. Every PureMail order gets its own setup on that client’s domains, which keeps clients isolated and makes it simple to hand over or cancel one without touching the rest. For cheaper options at other sizes, see cheap cold email inboxes.
Cold email agency pricing
Most agencies combine two of these. Whatever you choose, the contract should cover the weeks before the first email is sent.
A fixed fee a month for running the campaigns. Predictable for you; the client carries the risk of a slow month. Usually with a minimum term of three months, because the first month is setup and warmup.
A fee for each qualified meeting booked. Easy to sell, risky to run: define “qualified” in writing, and agree who decides when a meeting does not count.
A lower retainer that covers your costs plus a fee per meeting or per deal. The most common compromise, because it shares the risk both ways.
A one-off charge for domains, inboxes, warmup and the first sequences. It covers the weeks before the first email goes out, which is where new agencies lose money.
Start from what a meeting is worth to the client, not from your costs. If a client closes one deal in ten meetings and a deal is worth $20,000 to them, a meeting is worth about $2,000 in pipeline, and a fee that is a fraction of that is easy to justify. Then check the floor: the retainer must cover infrastructure, tools, data and your hours, even in a month with few meetings.
Three rules save new agencies the most money: charge a setup fee, set a three-month minimum, and define a qualified meeting before you start. Without them, the first client who leaves after six weeks has had your warmup and your best copy for free.
Operations
The same onboarding for every client, in the same order. It is what lets one person run ten accounts.
Separate domains, separate inboxes and a separate sequencer workspace for each client. If one client’s list is poor and their domains get flagged, nothing else is affected, and you can show the client exactly which numbers are theirs.
Every week: emails sent, replies, positive replies, meetings booked and bounce rate. Keep bounces under 2%, and watch Google Postmaster Tools for each domain, because Google expects bulk senders to keep spam complaints under 0.3%. If a number moves the wrong way, tell the client before they notice.
Write down who owns the domains and inboxes and what happens when the contract ends: transfer to the client, or cancel. Inboxes are monthly, so cancel them in the same month the contract ends.
Naming
Two separate jobs: the domain for your agency itself, and the sending domains for each client.
Variations on the client’s brand that a prospect recognises, on .com:
Point each one at the client’s real website, and set SPF, DKIM and DMARC before any inbox sends. Two inboxes per domain, five at most.
PureMail sells Google Workspace and Microsoft 365 inboxes from $2.90 an inbox a month. You add the client’s domains; our team sets up DNS on every domain, creates each mailbox and connects it to the client’s sequencer workspace, in about four hours. Monthly billing, so you cancel when a client leaves.
FAQ
What founders ask before their first client.
01
Pick a niche you understand, set up your own outbound first and use it to win your first clients. For each client, buy separate sending domains, order Google Workspace or Microsoft 365 inboxes on them, connect them to a sequencer workspace of their own, warm up for two to three weeks, then launch. Charge a setup fee and a minimum term so the warmup weeks are paid for.
02
The infrastructure is the cheap part. One client sending 1,000 cold emails a day needs about 34 inboxes on 17 domains: $105.40 a month on PureMail plus about $204 a year in domains. Add your sequencer, lead data and a verifier, which are priced by plan.
03
Usually as a monthly retainer, a fee per qualified meeting, or a smaller retainer plus a performance fee, often with a setup fee and a three-month minimum. Price on the value of a meeting to the client, not on your costs: the infrastructure is a small part of what they pay for.
04
Give every client their own domains, inboxes and sequencer workspace so one client’s problems never touch another’s. Agree in writing what a qualified reply is, who owns the domains, and what happens to them if the client leaves. Report the same five numbers every week: emails sent, replies, positive replies, meetings and bounces.
05
Decide at the start and write it down. Registering in the client’s name makes handover simple; registering in yours keeps control while you run the campaigns. Either way, never send cold email from the client’s main domain.
06
Your client does not need to see your providers: the inboxes sit on the client’s sending domains and you manage them for them. PureMail does not sell a white-label dashboard, but every PureMail order gets its own setup, so each client can be one order. Agencies that refer others can also join our affiliate program, at 5% to 10% recurring.
07
A sequencer with one workspace per client, unlimited or cheap inbox connections, and built-in warmup and rotation. Instantly, Smartlead and EmailBison are common agency choices; compare them in our directory. Pair it with an infrastructure provider for the inboxes.
Still have a question? [email protected] · contact us
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