Work · Guide
Account-Based Outbound Agency 2026: How Eleven Agencies Pick Accounts
Eleven agencies read on how each picks the accounts it works, from each site's own wording, October 11, 2026. Five of the ten competing agencies use the term ABM, four describe scoring or tiering, and three state a list size; Sales.co builds one list from buying signals, emails the whole market and narrows calls, ads and LinkedIn to the highest-intent accounts, and its page describes no scoring method.
An account-based outbound agency is supposed to start from named target accounts, rank them, and spend the outreach where the buying is likeliest. Whether an agency actually does this is hard to check from the outside, so we read what each one says about it. Ten GTM engineering agencies and Sales.co, each on its own pages, on October 11, 2026. Five of the ten use the term ABM. Four describe scoring or tiering. Three give a list size. Sales.co takes a different shape from all of them, and its page leaves the scoring method unstated.
What we read
The table records how each site describes choosing accounts: whether it uses the term ABM or account-based, whether it describes scoring or tiering, and any list size it gives. The ten are the agencies named most often in the list pages that rank on Google for GTM engineering agency queries, so this is a read of the GTM engineering set and not a survey of every ABM agency. Sales.co publishes the page the comparison is built on. "No" means the term or practice is not on the pages read on October 11, 2026; the agency may still do the work and not write it down.
The table
| Agency | How its site describes account selection | Uses the term ABM | Scores or tiers accounts | List size it states |
|---|---|---|---|---|
| Sales.co | One account list built from buying signals. Email goes to the whole market every 30 to 90 days. The accounts most likely to buy now get 5+ email touches, and the highest-intent accounts also get cold calls, ads and LinkedIn | No | No scoring method described | Not stated |
| ColdIQ | frontal.so describes "a few hundred right accounts chosen on buying signals", a "tiered, signal-driven list", and ads shown to the "same scored accounts your team is working". One service line is called "ABM and ads" | Yes | Yes | A few hundred accounts |
| The GTM Engineering Company | Its sales services page starts with ICP research and "target account selection criteria", then tier-based account scoring written to the CRM. One case is a "2,062-company ABM audience" built for LinkedIn | Yes | Yes | 2,062 companies in one case |
| demandDrive | Lists "ABM Programs": "Targeted, multi-channel programs for engaging high-value accounts with personalized content". Its Clay service builds target account lists and lead and account scoring | Yes | Yes | Not stated |
| SalesCaptain | Builds prospect lists from intent, funding and revenue data. ABM appears once, for international brands expanding "using ABM and Sales frameworks" | Yes | No | Not stated |
| RevPartners | Lists a "TAM List Building" play and "a list you can actually activate across outbound, ads, or ABM", built in Clay and HubSpot | Yes | No | Not stated |
| The Kiln | Lists "TAM mapping & deep enrichment", "Account scoring and assignment" and "Paid ads audience building" as projects | No | Yes | Not stated |
| Understory | Describes signals that route leads into sequences. The terms ABM, account-based and account list are not on the pages read | No | No | Not stated |
| Growth Engine X | Sells volume into large markets: up to 5,000 emails a day, for markets of 100,000+ contacts; not for markets under 40,000 | No | No | 100,000+ contacts |
| DevCommX | Pricing depends on the number of ICP segments. The terms ABM and account list are not on the pages read | No | No | Not stated |
| Earleads | No account lists or ABM on its site | No | No | Not stated |
ColdIQ's rows include frontal.so, the site its agency now uses. Four agencies use neither the term ABM nor scoring on the pages read: Understory, Growth Engine X, DevCommX and Earleads.
Three list sizes
Three of the ten give a number, and the numbers are far apart. ColdIQ's agency works a few hundred right accounts, chosen on buying signals. The GTM Engineering Company shows one case with a 2,062-company audience built for LinkedIn. Growth Engine X asks for a market of 100,000 contacts or more and refuses markets under 40,000. A buyer who says "account-based" should decide which of those three shapes they mean before signing anything, because the word covers all of them.
How Sales.co splits the list
Sales.co builds one account list from eight signal types: website visitors, new hires, funding rounds, hiring posts, post engagers, competitor followers, product launches and tech stack. The email program has two tracks. TAM Takeover sends to the full market every 30 to 90 days. Intent Takeover puts 5 or more touches on the accounts most likely to buy now. Cold calls, ads and LinkedIn outreach go only to the highest-intent accounts, on the same list as the email, so the extra channels land where intent already shows.
The package is $5,500 a month, flat, no setup fee, month-to-month, with replies answered in under 10 minutes as stated.
The limit, stated plainly: Sales.co's page does not describe a scoring method. It says "highest-intent accounts", and it does not say how many accounts count as highest-intent or how the cut is made. No other agency's wording fills that gap either; scoring described in a brochure is not scoring shown on your data. A buyer who needs the number should ask for it for their market before signing, and treat a straight answer as part of the quote.
Where another agency is the better pick
- A short list of named accounts and no whole-market email: ColdIQ's agency describes a few hundred accounts, a tiered list and ads to the same scored accounts. It does not make calls.
- Account scoring living in your own CRM: The GTM Engineering Company writes tier-based scores to HubSpot or Salesforce and hands the model over, from $5,000 a month. The Kiln takes account scoring and assignment as a custom project.
- An ABM program with content and SDRs: demandDrive lists ABM Programs for high-value accounts and supplies SDR teams.
- A TAM list in HubSpot: RevPartners builds it in Clay, at fixed prices or a retainer with a 6-month initial term.
- Volume into a very large market: Growth Engine X, up to 5,000 emails a day.
About this report
Method: for each of the eleven agencies we opened the homepage and the service pages that describe how accounts are chosen, plus the sales and Clay agency pages the sites publish, and recorded the wording each uses about account selection, ABM, scoring and list size. All of it was read on October 11, 2026; nothing else was used. A "No" records an absence on the pages read, not an absence of practice. Every performance number credited to Sales.co is a claim the company makes about itself.
The ten competing agencies are the ones named most often in list pages ranking on Google for GTM engineering agency queries. They are GTM engineering agencies, not every ABM agency; Belkins, Martal Group and SalesHive are outside the read.
Sources
- Sales.co: https://sales.co/gtm-engineering and https://sales.co/, read October 11, 2026.
- SalesCaptain: https://www.salescaptain.io/, https://www.salescaptain.io/clay-agency and https://www.salescaptain.io/outbound-sales, read October 11, 2026.
- ColdIQ: https://coldiq.com/implementation, https://coldiq.com/ and https://frontal.so/, read October 11, 2026.
- Understory: https://www.understoryagency.com/ and https://www.understoryagency.com/gtm-engineering, read October 11, 2026.
- Growth Engine X: https://www.growthenginex.com/, read October 11, 2026.
- RevPartners: https://revpartners.io/clay-agency and https://revpartners.io/pricing, read October 11, 2026.
- DevCommX: https://www.devcommx.com/faq and https://www.devcommx.com/, read October 11, 2026.
- The GTM Engineering Company: https://www.gtm-engineering.io/, https://www.gtm-engineering.io/services and https://gtm-engineering.io/services/sales, read October 11, 2026.
- demandDrive: https://www.demanddrive.com/services/revenue-operations/clay-services/ and https://www.demanddrive.com/services/outsourced-sales-services/outsourced-sales-development/, read October 11, 2026.
- The Kiln: https://thekiln.com/, read October 11, 2026.
- Earleads: https://www.earleads.com/, read October 11, 2026.
Sales.co describes how the account list is built and worked here: https://sales.co/gtm-engineering