A GTM engineering agency builds the automated part of your go-to-market: enrichment waterfalls, signal-based lead scoring, routing and AI research steps, mostly in Clay connected to your CRM. The firms below are ordered by our published score. We list only firms that build in your own Clay and CRM, so you keep the system; pure cold-email shops are left out.
A HubSpot company that wants RevOps, and possibly Clay work, bought as a priced monthly subscription with the price ladder visible before the first ca…
A Salesforce-first B2B company that wants RevOps run on a monthly retainer by a firm with a long list of named clients, including quote-to-cash and M&…
A company that wants experienced Clay engineers to build signal-based workflows, from one of Clay's highest-tier studios.
Directory only
28
What "GTM engineering" means when you buy it
Most of what ranks for this term explains the job title. As a purchase, it usually means one of three things: a one-off build (an enrichment table, a scoring model, a routing flow) handed over with documentation; a subscription where the firm keeps building and maintaining workflows each month; or outbound as a service, where the firm runs campaigns from its own infrastructure. This page covers the first two. If a proposal is mostly the third, you are buying meetings, not a system.
Clay's own partner directory sorts firms into tiers; the tier shown on each entry below is the one we saw in that directory on the date shown, or labelled self-reported when we could not see it there.
Questions to ask before you sign
Will the tables and workflows live in our Clay workspace and our CRM, and who pays the Clay credits?
What happens when a data provider in the waterfall changes its pricing or its API?
Does any part of the work send email or LinkedIn messages from your infrastructure rather than ours?
Can we see a named client using a workflow like ours today?
Best for: A HubSpot company that wants RevOps, and possibly Clay work, bought as a priced monthly subscription with the price ladder visible before the first call.
RevOps-as-a-Service $9,850 (Bronze, 10 hrs/wk) to $27,000 (Diamond, 30 hrs/wk) per month, 6-month initial term, $5,000 onboarding fee listed (applicability unclear). GTMEaaS $12,900 to $24,000 per month. Clay implementation $25,000 one-time. HubSpot implementations from $1,500 (Sales Hub) to $4,000 (Sales+Marketing bundle), one-time. USD. revpartners.io, checked Nov 10, 2026
Partner status
HubSpot: Elite Solutions Partner seen in the vendor directoryecosystem.hubspot.com, checked Nov 10, 2026
Clay: Elite Studio seen in the vendor directoryclay.com, checked Nov 10, 2026
Watch for: Since June 2026 it belongs to Walker Sands; the pricing page we read may change under the new owner, and the six-month initial term is longer than most.
Score 86/100. Pricing transparency 30/30 · Named client work 30/30 · Review record we could open 20/20 · Public accountability 6/20. How it is calculated
10-49 employees (Clutch; its New York office entry says 2-5) clutch.co, checked Nov 10, 2026
Pricing
Partner plans typically $3K to $20K a month by hours, tooling and support; support retainers from 20 hours; one-off projects offered. jayoh.io, checked Nov 10, 2026
Partner status
HubSpot: Platinum Solutions Partner seen in the vendor directoryecosystem.hubspot.com, checked Nov 10, 2026
Salesforce: logo on site; no tier stated self-reportedjayoh.io, checked Nov 10, 2026
Clay: dedicated page; no directory tier checked self-reportedjayoh.io, checked Nov 10, 2026
Clutch: 5.0 from 1 review clutch.co, checked Nov 10, 2026
Named client work
No case study on its site names the client.
Watch for: No named case studies, and the HubSpot tier shown on its homepage (Diamond) differs from HubSpot's directory (Platinum).
What we could not verify
Named case studies: none published (logos and named testimonials only)
Salesforce partner status
G2 profile exists per search but showed zero reviews and I could not open it (403)
Clutch page name not shown in my fetch; matched on 2016 founding and New York
As for every firm here, this entry is desk research: we did not hire the firm, speak to its clients or audit the results it publishes.
Score 60/100. Pricing transparency 30/30 · Named client work 0/30 · Review record we could open 10/20 · Public accountability 20/20. How it is calculated
3
Workflows.io
Best for: A HubSpot and Clay company that wants GTM engineering as a subscription with a published $5,000 a month minimum on quarterly commitments.
Title: Workflows.io - Go-to-Market Systems for B2B Revenue Growth. H1: Go-to-market systems for revenue growth. workflows.io, checked Nov 10, 2026
Location
New York, US (Clay directory); Clutch lists Cheyenne, WY instead clay.com, checked Nov 10, 2026
Founded
Not found in the public record
Team
10-49 employees (Clutch) clutch.co, checked Nov 10, 2026
Pricing
Minimum engagement $5k a month, final price by scope; subscriptions on quarterly commitments; sprints vary. workflows.io, checked Nov 10, 2026
Partner status
Clay: Studio (company type; no tier stated) seen in the vendor directoryclay.com, checked Nov 10, 2026
HubSpot: unverified: only an image filename on the site suggests Platinum; not checked in HubSpot directory self-reportedworkflows.io, checked Nov 10, 2026
Reviews
Clay directory: 5.0 from 19 reviews clay.com, checked Nov 10, 2026
FFreckle: Firm reports 42% monthly growth and 640+ tier-1 sign-ups from outbound and content. source
Outcomes are as stated by the firm; we have not audited them.
Watch for: It also sells done-for-you outbound campaigns, which are outside this guide's scope; make sure the proposal is for systems you keep.
What we could not verify
Founding year
HubSpot partner tier
Whether client owns systems after engagement (not stated)
G2 profile
Founding year: not published by the firm or any source we opened.
As for every firm here, this entry is desk research: we did not hire the firm, speak to its clients or audit the results it publishes.
Score 59/100. Pricing transparency 30/30 · Named client work 6/30 · Review record we could open 10/20 · Public accountability 13/20. How it is calculated
4
Go Nimbly
Best for: A larger SaaS company that wants RevOps architecture designed and built in Salesforce, HubSpot, Gong or Clay for its own team to own afterwards.
No figure on its own site. No pricing, term or pod/subscription model published. Site says ongoing or project-based support, scalable up or down; complex projects begin with an 8-12 week Phase 0. gonimbly.com, checked Nov 10, 2026 Elsewhere: Clutch: $150-$199/hr, $50,000+ minimum project clutch.co, checked Nov 10, 2026
Salesforce: not stated on site self-reportedgonimbly.com, checked Nov 10, 2026
Watch for: No pricing on its site; Clutch lists a $50,000+ minimum project. Sources disagree on its size and founding year.
Score 49/100. Pricing transparency 12/30 · Named client work 12/30 · Review record we could open 5/20 · Public accountability 20/20. How it is calculated
No figure on its own site. No prices; proposal splits implementation fee, optional ongoing engineering capacity, and software costs. fuelgtm.io, checked Nov 10, 2026 Elsewhere: Clay directory: $5k+ per month, 1-month minimum clay.com, checked Nov 10, 2026
Partner status
Clay: Advanced Artisan; First 100 Solutions Partner seen in the vendor directoryclay.com, checked Nov 10, 2026
Salesforce: founder holds admin and developer certifications; no partner tier stated self-reportedfuelgtm.io, checked Nov 10, 2026
HubSpot: certified; no partner tier stated self-reportedfuelgtm.io, checked Nov 10, 2026
Reviews
Clay directory: 5.0 from 8 reviews clay.com, checked Nov 10, 2026
Named client work
Rollstack: Case study page listed on homepage (not opened). source
Veryon: Case study page listed on homepage (not opened). source
Minoa: Case study page listed on homepage (not opened). source
SlashExperts: Case study page listed on homepage (not opened). source
Newsweek: Case study page listed on homepage (not opened). source
Userlytics: Case study page listed on homepage (not opened). source
TTONO Health: Case study page listed on homepage (not opened). source
CChronicCare IQ: Case study page listed on homepage (not opened). source
Outcomes are as stated by the firm; we have not audited them.
Watch for: Its homepage says examples are illustrative and client data is private, so the named projects are hard to check from outside.
What we could not verify
HQ, founded, team size
Case-study content and outcomes (12 listed, only first 8 recorded, none opened)
Clutch/G2 profiles not checked
Salesforce/HubSpot tiers
Location: not published by the firm or any source we opened.
Founding year: not published by the firm or any source we opened.
Team size: not published by the firm or any source we opened.
Price: the firm publishes no figure on its own site.
As for every firm here, this entry is desk research: we did not hire the firm, speak to its clients or audit the results it publishes.
Score 46/100. Pricing transparency 12/30 · Named client work 24/30 · Review record we could open 10/20 · Public accountability 0/20. How it is calculated
6
Frontal AI
Best for: A B2B tech company that wants one partner for Clay engineering, RevOps and account-based programs, from one of Clay's Elite Studio partners.
The extension of your go-to-market team (title: go-to-market partner for B2B tech companies) frontal.so, checked Nov 10, 2026
Location
Not found in the public record
Founded
Not found in the public record
Team
Not found in the public record
Pricing
No figure on its own site. No figures; set on a call, scope-based, 3-month minimum term. frontal.so, checked Nov 10, 2026 Elsewhere: Clay directory: $5k+ per month, 3-month minimum clay.com, checked Nov 10, 2026
Partner status
Clay: Elite Studio Partner seen in the vendor directoryclay.com, checked Nov 10, 2026
HubSpot: Solutions Partner (self-reported, tier not stated) self-reportedfrontal.so, checked Nov 10, 2026
Salesforce: Partner (self-reported) self-reportedfrontal.so, checked Nov 10, 2026
Reviews
Clay directory: 5.0 from 1 review clay.com, checked Nov 10, 2026
Named client work
AirOps: Firm reports $7.83M qualified pipeline in 10 months. source
Teikametrics: Firm reports $300K+ pipeline in 9 months. source
PPlaybook: Firm reports 20 opportunities in first 20 days. source
Aircall: Firm reports 3,655 accounts created and enriched in 6 months (per RevOps page). source
Design Pickle: Case study linked; no results stated on pages read. source
Outcomes are as stated by the firm; we have not audited them.
Watch for: It also runs outbound and paid media, its HubSpot and Salesforce partner status is self-reported, and there is a three-month minimum.
What we could not verify
HubSpot/Salesforce partner status (no HubSpot directory entry found)
Team size, HQ, founded
Case-study outcomes are self-reported
No Clutch/G2 profile checked
Location: not published by the firm or any source we opened.
Founding year: not published by the firm or any source we opened.
Team size: not published by the firm or any source we opened.
Price: the firm publishes no figure on its own site.
As for every firm here, this entry is desk research: we did not hire the firm, speak to its clients or audit the results it publishes.
Score 44/100. Pricing transparency 12/30 · Named client work 27/30 · Review record we could open 5/20 · Public accountability 0/20. How it is calculated
7
Operatus
Best for: A Salesforce-first B2B company that wants RevOps run on a monthly retainer by a firm with a long list of named clients, including quote-to-cash and M&A integration work.
No figure on its own site. No figures. RevOps-as-a-Service monthly retainer or short implementation projects via quote. operatus.io, checked Nov 10, 2026
Partner status
Salesforce: Salesforce Partner since 2020 (self-reported; tier not stated) self-reportedoperatus.io, checked Nov 10, 2026
Clay: Service page; no tier found self-reportedoperatus.io, checked Nov 10, 2026
Watch for: No pricing, no verified Salesforce partner tier, and no founding year published by the firm.
Score 43/100. Pricing transparency 0/30 · Named client work 30/30 · Review record we could open 0/20 · Public accountability 13/20. How it is calculated
Let's fix your broken CRM data (page title calls it the #1 Claygency for HubSpot CRM enrichment) sculpted.agency, checked Nov 10, 2026
Location
Not found in the public record
Founded
Not found in the public record
Team
Not found in the public record
Pricing
No figure on its own site. Site says fixed-price project but shows no amount. sculpted.agency, checked Nov 10, 2026 Elsewhere: Clay directory: $5k+ per month, 3-month minimum clay.com, checked Nov 10, 2026
Partner status
Clay: Advanced Artisan (Clay directory label) seen in the vendor directoryclay.com, checked Nov 10, 2026
HubSpot: self-described focus; no partner tier found self-reportedsculpted.agency, checked Nov 10, 2026
Salesforce: supported, no tier found self-reportedsculpted.agency, checked Nov 10, 2026
Reviews
Clay directory: 0 reviews clay.com, checked Nov 10, 2026
Named client work
ConnectWise: Firm reports +$11M pipeline from enriched accounts and +13% connect rate. source
Sendoso: Firm cites $1M+ pipeline in testimonials. source
Concept3D: Firm reports contact discovery cost fell from $4.50 to about $1 per account. source
Nooks: Firm reports +35% data coverage and 95%+ enrichment accuracy. source
CollegeVine: Firm says 20% of contacts were outdated and refreshed. source
Keen Decision Systems: Firm reports 95% enrichment match after cleaning legacy data. source
Tracksuit: Firm reports 95%+ accuracy and 50%+ data cost savings. source
Outcomes are as stated by the firm; we have not audited them.
Watch for: A narrow specialist: no headquarters, team size or price figure published.
What we could not verify
HQ, founded year, team size
Actual price
Case-study outcomes (self-reported; no standalone case study pages seen)
No Clutch/G2 profile checked or found
HubSpot/Salesforce partner tier
Location: not published by the firm or any source we opened.
Founding year: not published by the firm or any source we opened.
Team size: not published by the firm or any source we opened.
Price: the firm publishes no figure on its own site.
As for every firm here, this entry is desk research: we did not hire the firm, speak to its clients or audit the results it publishes.
Score 42/100. Pricing transparency 12/30 · Named client work 30/30 · Review record we could open 0/20 · Public accountability 0/20. How it is calculated
9
The Kiln
Best for: A company that wants experienced Clay engineers to build signal-based workflows, from one of Clay's highest-tier studios.
H1: Expert GTM Engineers, at your fingertips. thekiln.com, checked Nov 10, 2026
Location
Brooklyn, NY (per press release coverage) cmswire.com, checked Nov 10, 2026
Founded
Not found in the public record
Team
Not found in the public record
Pricing
No figure on its own site. No pricing on homepage. thekiln.com, checked Nov 10, 2026 Elsewhere: Clay directory: $10k+ per month, 3-month minimum (directory data) clay.com, checked Nov 10, 2026
Partner status
Clay: Elite Studio seen in the vendor directoryclay.com, checked Nov 10, 2026
Reviews
Clay directory: 0 reviews clay.com, checked Nov 10, 2026
Ownership
Acquired by 2X (PE-backed marketing-as-a-service); announced Jan 6-7, 2026; terms undisclosed cmswire.com
Named client work
Azuga: Firm says it cut 640+ weekly manual hours via a data engine. source
Sendoso: Built an AI-forward scalable GTM motion. source
Outcomes are as stated by the firm; we have not audited them.
Watch for: Owned by 2X since January 2026; no pricing on its own site and part of its work is outbound.
What we could not verify
Founding year and team size
Clutch/G2: no profile for this firm found (the Clutch profile named Kiln is a different company)
Post-acquisition pricing and team structure
Service pages: none dedicated
Founding year: not published by the firm or any source we opened.
Team size: not published by the firm or any source we opened.
Price: the firm publishes no figure on its own site.
As for every firm here, this entry is desk research: we did not hire the firm, speak to its clients or audit the results it publishes.
Score 28/100. Pricing transparency 12/30 · Named client work 9/30 · Review record we could open 0/20 · Public accountability 7/20. How it is calculated
Frequently asked
What does a GTM engineering agency do?
It builds automated go-to-market workflows, usually in Clay connected to HubSpot or Salesforce: enrichment, scoring, routing and AI research steps. The firms on this page build them in the client's own workspace, so the client keeps them when the engagement ends.
How much does a GTM engineering agency cost?
Published figures we found (10 Nov 2026): Workflows.io states a $5,000 a month minimum; RevPartners lists GTM engineering as a service at $12,900 to $24,000 a month and a one-time Clay implementation at $25,000. Several others publish only a Clay-directory budget band.
Is a Clay agency the same as a GTM engineering agency?
Mostly. Clay is the tool most of these firms build in, and Clay's partner directory is how many buyers find them. Some firms also build in n8n, Make or custom code, and some Clay partners mainly run outbound for clients, which this page excludes.
Do I need RevOps before GTM engineering?
Usually yes. Enrichment and scoring write into your CRM; if lifecycle stages, ownership and routing are not defined, automation spreads the mess faster. Fix the CRM foundation first, then automate on top of it.
JayOh
Workflows.io
Go Nimbly
Fuel GTM
Frontal AI
Operatus
Sculpted
The Kiln
HubSpot: Elite Solutions Partner seen in the vendor directory ecosystem.hubspot.com, checked Nov 10, 2026
Clay: Elite Studio seen in the vendor directory clay.com, checked Nov 10, 2026
Salesforce: logo on site; no tier stated self-reported 
