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Guide
What is GTM Engineering?
GTM Engineering is the practice of designing, building, and running automated go-to-market systems. A GTM engineer connects data, tools, and AI workflows across marketing, sales, and RevOps, so leads are captured, enriched, scored, and routed without manual work. The goal is to scale revenue without scaling headcount.
By Jérémy Grandillon, Co-founder & CEO, TC9. Updated .
What does a GTM engineer build?
A GTM engineer builds connected workflows that replace manual, headcount-dependent revenue work. At TC9, that work falls into three pillars that share one data foundation, which we call the Unified GTM Engine.
Sales & Pipeline
TAM mapping, lead list building, prospect research, and personalized outreach run automatically. Triggers such as job changes or new hires launch intent-led campaigns the moment they happen.
RevOps & Data
CRM audits, enrichment workflows, duplicate detection, and contact movement monitoring keep one clean record per person. Clean, structured data is what makes AI automation work.
How is GTM Engineering different from an agency or RevOps consultancy?
B2B revenue leaders usually compare GTM Engineering with four alternatives. The difference is scope: GTM Engineering covers strategy, system architecture, build, and handover in one engagement.
| Approach | Focus | What you keep |
|---|---|---|
| Outbound agency | Execution: running campaigns for you | Activity that stops when the contract does |
| RevOps consultancy | Advisory: process and CRM recommendations | A plan your team still has to build |
| Clay agency | One tool | Workflows inside a single platform |
| In-house hire | One person's bandwidth | Knowledge concentrated in one person |
| GTM Engineering | Strategy, architecture, build, and handover across marketing, sales, and RevOps | A documented, working system your team owns and runs |
When does a B2B company need GTM Engineering?
GTM Engineering pays off when revenue work grows faster than the team can handle it by hand. The most common signs:
- Pipeline does not scale with team size, and adding reps adds cost faster than revenue.
- Sellers spend 10+ hours a week on manual prospecting and data entry.
- Buying signals such as website visits, job changes, and funding rounds go unnoticed.
- Marketing and sales are siloed, and inbound leads are slow to reach the right rep.
- The CRM is full of duplicates and outdated records, and tools do not talk to each other.
Good fit. TC9 typically works with B2B companies of 50 to 500 employees ($5M to $100M ARR) that already use a CRM such as HubSpot or Salesforce.
Not a fit. It is usually not the right fit for companies under 20 employees, teams looking only for guaranteed meeting volume, or organizations without an internal owner for the system.
What tools do GTM engineers use?
GTM Engineering is tool-agnostic, but most stacks combine a CRM, a data orchestration layer, enrichment providers, AI models, and outreach tools. TC9 engineers with Clay (as an Official Clay Solution Partner), OpenAI, Anthropic, FullEnrich, PhantomBuster, Prospeo, RB2B, lemlist, and HeyReach, on top of HubSpot or Salesforce.
How does TC9 deliver GTM Engineering?
TC9 is a GTM Engineering consultancy. We build the system, document it, and hand the keys to your team. There are three ways to work with us:
- $450 / hour
GTM Advisory
Expert direction. Your team executes the roadmap.
- $6,500 · 30 days
GTM Launch Sprint
One predefined package (TAM Mapping, Website Visitor Qualification, or Inbound Qualification & Routing), configured and deployed.
- From $35,000 / project
Custom GTM Engine
A bespoke roadmap, workflows, and delivery team built around your goals.
Not sure where to start? Score your GTM maturity with the free 4-minute Mini Audit, or read the free GTM Engineering Playbook.
Go deeper: GTM Engineering guides
GTM Engineer vs RevOps: what is the difference?
RevOps defines and governs revenue processes. A GTM engineer builds the automated systems that run them. How the two roles differ, where they overlap, and which one to start with.
Clay agency vs GTM Engineering consultancy: which do you need?
A Clay agency builds workflows inside one tool. A GTM Engineering consultancy designs and hands over the whole go-to-market system. How they compare with outbound agencies, RevOps consultancies, and in-house hires.
How do you build a TAM map for B2B sales?
A TAM map is a qualified, enriched list of the accounts in your target segment, delivered to your CRM. A step-by-step process: define the segment, source accounts, qualify, enrich, and hand off to sales.
What is website visitor qualification?
Website visitor qualification identifies the companies visiting your site, checks them against your ICP, and alerts sales in the CRM. How identification works, its limits, and how to set it up.
GTM Engineering, answered.
Is GTM Engineering the same as RevOps?
No. RevOps defines and maintains revenue processes, reporting, and CRM governance. GTM Engineering builds the automated systems that run those processes: enrichment, scoring, routing, and outreach workflows. The two work together, and a well-built GTM Engine gives a RevOps team clean, structured data to manage.
Do you need Clay to do GTM Engineering?
No. Clay is one of the most common tools in a GTM Engineering stack, and TC9 is an Official Clay Solution Partner, but the discipline is tool-agnostic. The right stack depends on your CRM, your data sources, and the workflows you need.
Should you hire a GTM engineer or work with a GTM Engineering consultancy?
A hire gives you dedicated capacity but concentrates the knowledge in one person. A consultancy brings tested workflows and a team, then hands the system over. A common path is to have a consultancy build the foundation, then hire in-house to run and extend it. TC9 documents every workflow and trains your team, so either path works.
How long does it take to set up a GTM Engine?
A focused first implementation, the GTM Launch Sprint, is delivered 30 days after readiness is verified, subject to agreed client deadlines. For a Custom GTM Engine, timing is agreed during scoping.
How much does GTM Engineering cost with TC9?
TC9 offers GTM Advisory at $450/hour, a fixed-scope GTM Launch Sprint at $6,500, and Custom GTM Engines starting at $35,000/project.
Explore pricingWill we depend on TC9 after the engagement?
No. We build your workflows and teach your team how to run them, so you never depend on us. Each engagement is a project with clear goals, deliverables, and deadlines.
Build the engine.
Keep the keys.
Book a call. We'll map your current process and show you where GTM Engineering moves the needle first.