Five practices · Scoped before built

Reach is easy. Altitude is the hard part.

Anyone can sell you a large file. The difficulty is deciding how far down to narrow before relevance starts costing you more reach than it buys — and that decision should be made deliberately, with someone who has made it before.

Five practicesUnder one team
Scoped firstWritten, before build
Sample freeUnredacted
Files you keepNo expiry
Build trajectory 01 / 05
Waypoint 01

The brief

Describe who you need to reach in whatever detail exists. A single sentence is a fine starting point — precision is our job, not the prerequisite.

The practices

Five, kept separate on purpose

They share a delivery process and nothing else. Each is verified against a different authority, decays for different reasons, and needs different fields before it's worth anything to a campaign.

Practice 01 — B2B

B2B contact data

Decision-makers by seniority, function, industry and territory. The base layer everything else refines.

Sourced toBusiness filings, company records and professional directories
Decays onJob changes — caught by re-verification, not by a registry
Key filterFunction crossed with company size
Practice 01

B2B contact data

For teams whose buyer is defined by a role rather than a credential or a platform. Broad by nature, which makes the crossing of function against company size the filter that does most of the work.

C-suiteVP & directorIT & infrastructureSecurityFinanceHROperationsProcurement
Practice 02

Technology users

Install-base data, for products where the platform a company already runs decides whether they qualify at all. Assembled from public signals rather than reported by the company, which we mark clearly rather than blur.

ERPCRMHRMSCyber securityMarketing automationBusiness intelligenceSupply chainBackup & recoveryCloud
Practice 03

Healthcare professionals

Clinicians and facility leadership tied to state license files and the NPI registry. Sub-specialty and practice setting are what make this usable — the same specialty in a 500-bed hospital and a two-person clinic are unrelated prospects.

PhysiciansSurgeonsCardiologyOrthopedicsDentistsNursesPharmacistsHospital administrationVeterinary
Practice 04

Legal professionals

Attorneys anchored to state bar registrations rather than firm websites, so a move surfaces at the registry instead of at the bounce. Practice area crossed with firm size predicts a legal sale better than anything else on the record.

Personal injuryCriminal defenseCorporateImmigrationIntellectual propertyEstate planningComplex litigationFirm administration
Practice 05

Custom builds

The one most projects actually need. Interventional pulmonology at community hospitals. Personal injury firms under twenty attorneys. Plant managers at food manufacturers running a named platform. None of these exist as standing files anywhere.

Account-based listsInstall-base mappingDisplacement targetingEvent recruitmentTerritory slicingReferral mappingAppend & enrichSuppression
Altitude control

How far down should you go?

Every filter you add sharpens relevance and costs reach. There's no universally correct setting — only a right one for your deal size, your sales cycle and how much of a rep's week a bad conversation actually costs. Move the control and watch the trade play out.

Level 01 — Industry

Everyone in a sector

Example: manufacturing companies in the United States. Maximum reach, minimum qualification — every rep conversation starts by working out whether this company was ever a candidate.

broadnarrow
ReachWidest
RelevanceLowest
At this altitude the list is doing almost none of the work. It suits high-volume, low-value outreach where a rep's time is cheap relative to the deal — and it suits almost nothing else.
The usual mistake is choosing an altitude by budget rather than by economics. If a wasted conversation costs a rep an hour and your deal is worth six figures, paying more for a narrower file is arithmetic, not luxury.
Where we land most projects is level three or four. Below that the file rarely justifies its price; above it, coverage usually thins out faster than the relevance gain is worth.
Timing signals

The right person at the wrong moment is still a no

Targeting decides who hears from you. Timing decides whether it lands. These are the observable changes worth building a segment around, and most of them are visible in public sources if someone is watching.

New facility or location

An opening, expansion or relocation resets vendor relationships that were otherwise settled. Visible in permits, press and hiring long before procurement starts.

Hiring for a named role

A posting for a function that didn't exist last quarter usually means a budget was approved and an initiative is underway. Often the earliest reliable signal there is.

Funding or ownership change

New capital or a new owner brings a spending window and a willingness to replace incumbents that rarely exists otherwise. It closes faster than most sellers expect.

Platform migration

A company moving between systems has everything adjacent to that system briefly open for review. The window is narrow and the incumbent advantage is temporarily gone.

License or credential change

In healthcare and legal, a new registration, a new state or a practice move is recorded publicly. It's the cleanest timing signal in either market, and the most underused.

Contract and renewal cycles

Long-cycle categories only open at renewal. Being present three months early beats being better six months late, which is really a data problem rather than a sales one.

Common errors

Five ways a good file still fails

Most disappointing campaigns aren't caused by bad data. They're caused by decisions made around it, usually in the first fortnight. Worth reading even if you buy from someone else.

01

Sending everything on day one

A cold domain that suddenly emits thousands of messages looks exactly like a compromised account. Deliverability collapses before anyone reads a word, and the file gets blamed.

InsteadWarm the domain over two to three weeks, start with your most engaged segment, and hold volume until the reply rate stabilises.
02

Skipping suppression

Emailing current customers a prospecting sequence damages more relationships than the campaign wins. It also makes your own CRM look untrustworthy internally.

InsteadSend us your existing contacts before the build. We strip the overlap, so you neither pay for records twice nor mail anyone you already know.
03

Writing one message for the whole file

If a single email works for every record in a segment, that segment was probably too broad to begin with. Generic copy is usually a symptom of a targeting decision, not a writing problem.

InsteadSplit by the one attribute that changes the argument — setting, size, practice area — and write to each. Two messages beat one, and four usually beat two.
04

Judging a file by bounce rate alone

A file can bounce almost nothing and still be useless, because the addresses are real but the people are wrong. Bounces measure deliverability, not fit.

InsteadMeasure reply rate against a small holdout of accounts your team already knows well. That comparison tells you about targeting, which is the part that matters.
05

Treating the file as permanent

People change roles constantly. A list that performed in January will underperform by autumn, and the decline is gradual enough that nobody notices until a quarter has gone.

InsteadRe-verify before each major campaign rather than after results disappoint. Cheaper than a rebuild and considerably cheaper than a wasted quarter.
Scope a build

Start with the audience, not the budget

Describe who you need to reach. We'll come back with a written scope — the filters, every field, which are confirmed against a source and which are inferred, and where coverage runs thin. Nothing is owed for it.

Scope returned within one business day.

Phone
(206) 555-0139
Mon–Fri, 8am–6pm Pacific
Office
Aeroventix
1201 Third Avenue, Suite 2200
Seattle, WA 98101
United States

On compliance, briefly

Business contact information only — no consumer records, no patient data, nothing under HIPAA. US B2B email falls under CAN-SPAM, which asks for honest headers, a postal address and a working opt-out rather than prior consent. Europe and Canada differ, and we'll say so where a segment crosses over. A data processing agreement is available before purchase.