---
title: The Martech Stack Overview | RGM®
url: https://realgrowthmatters.com/learn/strategy/martech-stack-overview/
updated: 2026-06-10
source_html: https://realgrowthmatters.com/learn/strategy/martech-stack-overview/
---

# The Martech Stack Overview

Neutral overview of the modern marketing technology stack. The six layers, the tools that occupy each, and the decisions that compound over time.

By **David Schaefer** · [LinkedIn](https://www.linkedin.com/in/daschaefer/) · Updated May 2026

## The six layers of the modern martech stack

Marketing technology stacks vary in detail but share a common shape. Six layers, each with its own purpose, with tools that occupy each layer with overlap and substitution between adjacent layers. Understanding the layers — not the tools — is what lets you replace any single vendor without rebuilding the whole stack.

## Layer 1 — Data foundation

Cloud data warehouse (Snowflake, BigQuery, Redshift, Databricks). The system of record for everything. See [marketing data lakes](/learn/data-infrastructure/data-lakes/).

Ingestion (Fivetran, Airbyte, Stitch, Funnel.io) handles data flowing into the warehouse from ad platforms, CRM, ESP, ecommerce.

Transformation (dbt, Dataform) handles data flowing within the warehouse to produce modeled tables.

## Layer 2 — Identity + Customer data platform

Segment, mParticle, Rudderstack, Twilio Segment. Unifies customer identity across sessions, devices, and channels. Feeds downstream activation.

Identity resolution providers (LiveRamp, FullContact, Neustar) extend the graph beyond first-party data.

## Layer 3 — Lifecycle marketing

Email and SMS (Klaviyo, Postscript, Attentive, Sendlane, Iterable, Braze, Customer.io). Triggers, flows, segmentation. See [Klaviyo](/learn/tools/klaviyo/).

In-product messaging (Intercom, Pendo, Appcues).

Loyalty (Yotpo Loyalty, Smile.io, LoyaltyLion). Referral (Friendbuy, Mention Me, ReferralCandy).

## Layer 4 — Advertising + paid media

Platform UIs ([Meta Ads](/learn/channels/meta-ads-overview/) Manager, [Google Ads](/learn/channels/google-ads-overview/), [TikTok Ads](/learn/channels/tiktok-ads-deep-dive/) Manager, LinkedIn Campaign Manager).

Conversion delivery (GTM web container, GTM server container, Conversions API endpoints — see [CAPI overview](/learn/capi/overview/)).

Cross-channel buying ([The Trade Desk](/learn/channels/the-trade-desk-platform/), DSPs, [retail media networks](/learn/channels/retail-media-networks/)).

## Layer 5 — Measurement + Attribution

Analytics ([GA4](/learn/ga4/), Adobe Analytics, product analytics like Mixpanel, Amplitude).

Attribution platforms (Rockerbox, Triple Whale, Northbeam, Funnel.io) — see [Rockerbox](/learn/tools/rockerbox/).

Marketing mix modeling (Recast, Robyn, LightweightMMM) — see [MMM guide](/learn/measurement/marketing-mix-modeling/).

Incrementality testing (built into ad platforms, plus dedicated tools).

## Layer 6 — Activation + Reverse ETL

Hightouch, Census, Polytomic. Push warehouse-modeled audiences back to ad platforms, ESPs, CRMs. The connective tissue that makes the data foundation actionable.

## What to read next

Sister pages: [lifecycle marketing and martech](/learn/strategy/lifecycle-marketing-martech/), [cross-channel audience orchestration](/learn/audience/cross-channel-orchestration/), [marketing data lakes](/learn/data-infrastructure/data-lakes/). For individual tool deep dives, see the [Tools section](/learn/tools/).

## Operating checklist

1. Read the page above and identify the one or two patterns most relevant to your account.
2. Define a measurable test (budget, audience, conversion window) before changing anything live.
3. Apply the change in a controlled scope. Document the hypothesis.
4. Measure against the baseline. Watch the trailing 7, 14, and 30 days separately.
5. Decide to scale, hold, or roll back based on the data.
6. Capture the learning in your team's playbook so it survives the next change of operators.

### In this section

- [Strategy](/learn/strategy/)
- [All learn topics](/learn/)
- [Concepts](/learn/concepts/)
- [Measurement](/learn/measurement/)

### Foundational reading

- [What is growth marketing?](/learn/concepts/what-is-growth-marketing/)
- [What is performance marketing?](/learn/concepts/what-is-performance-marketing/)
- [Server-side vs client-side](/learn/measurement/server-side-vs-client-side-tracking/)
- [Vickrey auction](/learn/concepts/vickrey-auction-google-ads/)

### Hubs

- [Services](/services/)
- [Platforms](/platforms/)
- [Areas served](/areas-served/)
- [Performance marketing](/services/performance-marketing/)