Blazing fast implementation, backed by 74+ martech, data and growth stacks*
As your Google Tag Manager consultant, we audit, clean up or build your container on a data layer your developers can maintain: GA4, Google Ads, Meta, LinkedIn and other tags, consent mode and server-side tagging, each one tested before we publish.
Need GA4 or ad conversions fixed as well? See analytics and tracking.
Tools we implement
Google Tag Manager
GA4
Google Ads
Meta
Server-side GTM
Mixpanel
HubSpot
Your website* 74+ martech, data and growth stack implementations, delivered through martechdevs and Growth and Analytics Partners LLC.
Google Tag Manager specialists who design the data layer, build every tag on it and test each one in preview, so your container stays clean after we leave.
Every tag, trigger and variable checked for what fires, what duplicates, what is dead and what leaks personal data. See common GTM mistakes.
A data layer your developers can implement and keep stable: page, user, product and transaction data pushed once and named once.
GA4, Google Ads, Meta, LinkedIn and TikTok tags firing from the data layer with the right values and IDs.
Tags wired to your cookie banner with Consent Mode v2, so nothing fires before it should and Google still models what it can.
A server-side container on your own subdomain where it pays off, for longer-lived first-party data and fewer lost conversions.
Naming rules, folders, workspaces, publishing rights and version notes, so the next person can see what changed and why.
With your container connected to Claude over MCP, your team asks what a tag does, what triggers it and what changed in the last version, and agents audit the container after each publish.
Your container connected to Claude or Claude Code through a Google Tag Manager MCP server, read-only by default, with publishing left to people.
Agents that compare each new version with the last and flag removed tags, changed triggers and new tags that ignore consent.
Every tag, trigger and variable named and described, so AI and new team members can read the container without guessing.
Clean tags mean GA4, Google Ads and Meta count the same events, so the AI answers built on them agree.
Yours after handover
The MCP access, the agents and the docs live in your own accounts. Your team runs it all with AI, without depending on us.
No retainer needed
A one-time setup at a fixed price. There is no monthly retainer to keep it running, so your costs go down over time.
Right from day one
Anyone can set up a tool with AI, but it's only as good as what the AI guesses. We know what works from 74+ implementations.
Free martech AI agent
Every implementation includes it: slash commands and skills that run your whole stack in Claude Code.
See the agentNot sure your data is ready for AI? Use the AI readiness checklist
Most teams come to us at one of four points, and the scope is written for yours before any work starts.
Not the right fit if you need someone on call to add tags every week. We build a container your team can extend; ongoing tag requests are a retainer.
You are launching or replatforming and want the container and data layer set up once, properly, before the old tags creep back.
Years of tags from different agencies and freelancers. We audit, remove what is dead and rebuild what matters, without losing data in between.
You want first-party tracking and a better ad signal. We set up the server-side container and move tags over in stages.
Purchases, carts and checkouts tracked from the data layer, with values that match your orders. See why GA4 and Shopify purchases differ.
Tag Manager is where tracking meets every other tool. We wire each one from the same data layer, so they all see the same events.
GA4 events and key events from the data layer, with consent and cross-domain tracking set. See GA4 consulting.
Conversion tags with values and enhanced conversions, deduplicated by transaction ID.
Pixels in the browser and, where it matters, conversions API events from the server, with shared event IDs for deduplication. See LinkedIn Conversions API.
Form submissions and UTMs passed to HubSpot or Salesforce, so leads keep their source. See UTM naming conventions.
Cookiebot, OneTrust or Usercentrics wired to consent mode and to every non-Google tag. See consent management platforms.
So the fixed price covers exactly what we build, and nothing comes as a surprise later.
Standard Tag Manager is free. Tag Manager 360 and server-side hosting are billed by Google or your host. See Google Tag Manager pricing.
We build what your launch needs and train your team. New tags every week afterwards are retainer work.
We write the data layer spec and help your developers add it. Changing your site's code or templates is not part of this.
Hundreds of tags, nobody knows which matter.
Agencies came and went, the container stayed.
Conversions fire twice.
Or not at all after the last site release.
Tags fire before consent.
A legal problem waiting to be found.
Every new event needs a developer.
Because there is no data layer to build on.
We clean up the container, build tags on a data layer your developers can keep stable, wire everything to consent, and test each tag in preview before publishing, so tracking stops breaking with every release.
01
A free call on your site and container, or the $99 audit for a written review of every tag that matters.
02
Compare the fixed price packages, then get the detailed scope by email within one business day.
03
The data layer spec and the list of tags, triggers and consent rules, agreed before anything is published.
04
Tags built in a separate workspace, never straight in the live container.
05
Every tag checked in preview mode and in each platform, then published with a version note.
06
A documented container, naming rules and a walkthrough, plus your martech AI agent and support after launch.
JB Jaquenzel
Founder and CEO, Evaboot
“Faizur helped us transfer Google Analytics conversion events to Google Ads via Segment. We set that up within two or three weeks. Now we have a clear vision of our conversions and we could optimize our campaigns like this. Because if your tracking is not on point, you can't really improve your Google Ads performance.”
GA4
SegmentGoogle AdsElie
CMO, Submagic
“We have worked with Faizur and his agency for the past six months to set up all the growth stack that we needed. All the marketing analytics tools like Mixpanel, Google Analytics, data tracking tool, customer analysis tool like Customer.io, and every kind of tool that we needed. He's always ready to help and super reactive. I highly recommend to work with him.”
Mixpanel
Customer.ioGA4Arman Assadi
CEO, Steno.ai
“We worked with Faizur when we wanted to set up Mixpanel. What I loved was how detail-oriented he was, and that he wasn't just there to accomplish that one task. He was able to advise us. He suggested setting up Segment and he thought about everything at a macro level, all the way down to the micro. It gave me confidence to outsource this.”
MixpanelSegmentGabriel
Operations, MKTV
“We recently had the pleasure of working with Faiz on our integration of Segment. Not only did he help us seamlessly set up the integration, but he also went above and beyond to help us establish dashboards in Mixpanel. What was super valuable was having somebody who understood both the business/marketing requirements but also had the technical expertise to execute them.”
SegmentMixpanelJB Jaquenzel
Founder and CEO, Evaboot
“Faizur helped us transfer Google Analytics conversion events to Google Ads via Segment. We set that up within two or three weeks. Now we have a clear vision of our conversions and we could optimize our campaigns like this. Because if your tracking is not on point, you can't really improve your Google Ads performance.”
GA4SegmentGoogle AdsElie
CMO, Submagic
“We have worked with Faizur and his agency for the past six months to set up all the growth stack that we needed. All the marketing analytics tools like Mixpanel, Google Analytics, data tracking tool, customer analysis tool like Customer.io, and every kind of tool that we needed. He's always ready to help and super reactive. I highly recommend to work with him.”
MixpanelCustomer.ioGA4Arman Assadi
CEO, Steno.ai
“We worked with Faizur when we wanted to set up Mixpanel. What I loved was how detail-oriented he was, and that he wasn't just there to accomplish that one task. He was able to advise us. He suggested setting up Segment and he thought about everything at a macro level, all the way down to the micro. It gave me confidence to outsource this.”
MixpanelSegmentGabriel
Operations, MKTV
“We recently had the pleasure of working with Faiz on our integration of Segment. Not only did he help us seamlessly set up the integration, but he also went above and beyond to help us establish dashboards in Mixpanel. What was super valuable was having somebody who understood both the business/marketing requirements but also had the technical expertise to execute them.”
SegmentMixpanelJB Jaquenzel
Founder and CEO, Evaboot
“Faizur helped us transfer Google Analytics conversion events to Google Ads via Segment. We set that up within two or three weeks. Now we have a clear vision of our conversions and we could optimize our campaigns like this. Because if your tracking is not on point, you can't really improve your Google Ads performance.”
GA4SegmentGoogle AdsElie
CMO, Submagic
“We have worked with Faizur and his agency for the past six months to set up all the growth stack that we needed. All the marketing analytics tools like Mixpanel, Google Analytics, data tracking tool, customer analysis tool like Customer.io, and every kind of tool that we needed. He's always ready to help and super reactive. I highly recommend to work with him.”
MixpanelCustomer.ioGA4Arman Assadi
CEO, Steno.ai
“We worked with Faizur when we wanted to set up Mixpanel. What I loved was how detail-oriented he was, and that he wasn't just there to accomplish that one task. He was able to advise us. He suggested setting up Segment and he thought about everything at a macro level, all the way down to the micro. It gave me confidence to outsource this.”
MixpanelSegmentGabriel
Operations, MKTV
“We recently had the pleasure of working with Faiz on our integration of Segment. Not only did he help us seamlessly set up the integration, but he also went above and beyond to help us establish dashboards in Mixpanel. What was super valuable was having somebody who understood both the business/marketing requirements but also had the technical expertise to execute them.”
SegmentMixpanel
A Tag Manager setup or cleanup with GA4, ad tags and consent mode comes in Starter: $4,800 (25% off $6,400), live in 4 weeks, or 2 weeks on super fast. Server-side tagging comes in Growth: $12,150 (25% off $16,200), live in 12 weeks. Not sure where to start? The $99 audit ends with a fixed price proposal.
Eligible startups get 40% off instead of 25%. Starter comes to $3,840 and Growth to $9,720.
Before you commit to a plan
$99one-off
We review your setup and walk you through the findings on a one-hour specialist call.
Teams of up to about 20 people, under $1M ARR
$4,800one-off
$6,40025% off
Get started with tracking, analytics and a proper data setup.
Companies with $1M to $10M ARR
$12,150one-off
$16,20025% off
The data setup a growing team runs its marketing and reporting on.
Over $10M ARR, several markets or an unusual stack
Let's talk
A plan built around your stack, your team and your deadline.
Prices in USD for a typical setup. We use the tools that fit your stack, and a bigger or more complex setup can change the price. We agree any change with you before we start.
Questions about pricing? See the pricing FAQ
Something else on your mind? Email hello@martechdevs.com or book a free call.
Starter is $4,800 (25% off $6,400), live in 4 weeks, at a fixed price with no hourly billing. Eligible startups get 40% off the list price instead. More brands, markets or a migration from another tool make it a custom plan, priced before work starts. Tag Manager itself is free; server-side hosting, if you add it, is billed by Google Cloud or your host. See the fixed price packages.
Starter goes live in 4 weeks, or 2 weeks on super fast. If you only need a container review, the $99 audit report comes within a day, with a one-hour call to walk through it.
Designs the data layer, builds the tags, triggers and variables, wires consent and tests every tag before publishing. Good Tag Manager consulting also means naming, documentation and publishing rules, so the container stays clean after the consultant leaves.
Yes. The free 30-minute call is a Google Tag Manager consultation on your container: what is broken, what is duplicated and what to fix first. For a written review, the $99 audit report comes within a day, with a one-hour call to walk through it.
Tag Manager loads tags; Google Analytics measures. GA4 collects and reports on visits and events. Tag Manager is the container that decides when the GA4 tag, the Google Ads tag, the Meta pixel and the rest fire, and with what data.
Yes, the standard version is free. Tag Manager 360 is a paid enterprise edition, and a server-side container needs hosting you pay for. See Google Tag Manager pricing.
It can, if the container loads lots of tags on every page. A clean container with fewer, well-triggered tags, and some tags moved to a server container, usually makes pages lighter. Removing dead tags is part of the audit.
Fewer lost conversions, first-party cookies that last longer and less code in the browser, plus control over what each vendor receives. It needs hosting and care to set up, so we recommend it when ad spend or data quality justify it. See server-side tracking.
No, on this page GTM means Google Tag Manager. If you are looking for go-to-market engineering, like Clay workflows, enrichment and outbound, see GTM engineering.
You do. The Tag Manager account and containers stay in your Google account, we work as users you can remove, and every published version carries a note on what changed.
Starter includes 30 days of support after handover, up to 10 hours. It covers fixes after site releases, questions and small tag changes. After that your team runs it with the docs and your martech AI agent, or keeps us on a retainer from $1,980 a month.
Last updated: .
A $99 audit or a fixed price package from $4,800, with no hourly billing.
Startup?
Google Tag Manager is free; 360 is quoted. Compare server-side hosting: about $45 per Cloud Run instance, with two recommended, or $20/month on Stape.
Jafrin Akter AloLast updated 14 min read
Compare current server-side GTM hosting prices, request limits and operating costs. Learn when Google tag gateway is enough and how to budget a rollout.
Jafrin Akter AloLast updated 11 min read
The Google Tag Manager mistakes behind duplicate events, missing sessions and wrong conversions, with the fix for each and a pre-publish checklist.
Jafrin Akter AloLast updated 16 min read
Thirty minutes on your stack and what it needs. Free, and no pitch.
We look at what you have, what it is costing you and what to do about it first.
What we'll cover
Calendar not loading? Open it in a new tab or email hello@martechdevs.com.
Consent Mode v2
Looker Studio dashboards