How to Audit Your Martech Stack
How to Audit Your Martech Stack and Cut Waste
Most teams cannot say how many tools they pay for or which ones earn their keep. A practical way to map your stack, find overlap, and cut what nobody uses.
Most teams cannot say how many tools they pay for or which ones earn their keep. A practical way to map your stack, find overlap, and cut what nobody uses.
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A martech audit starts with an inventory grouped by job rather than a list of logos. Utilization is the number that matters, and Gartner has tracked it swinging between 58% in 2020, 33% in 2023 and 49% in 2025.
An audit starts with an honest inventory by category, not a spreadsheet of logos, because overlap and gaps only show up once tools are grouped by the job they do
Utilization is the number that matters most, and Gartner has tracked it swinging hard, 58% in 2020, 33% in 2023, 56% in 2024 and 49% in 2025, so your own number matters more than the benchmark
Cutting a tool is a decision about workflows and data, so the right test is whether removing it breaks a process someone actually depends on
In brief
How to Audit Your Martech Stack section by section. Each row is that section's own opening claim, so this is a summary of the argument below rather than new material. | |
Section | The claim |
|---|---|
How to audit a martech stack in six steps | A martech audit runs in six steps, and the order matters because utilization only means something once tools are grouped by job and the overlap is visible. |
Start with an inventory by category, not a list of logos | A flat list of every login is useless for decisions. Group tools by the function they perform, because overlap and gaps are invisible until tools sit next to their peers. |
Walk the stack category by category | Sort every tool into the function it serves. The categories below are not exhaustive, but they cover where most spend and most overlap concentrate. |
Add the category most audits forget: managed and done-for-you providers | A stack is not only software a team operates. Plenty of functions are run for the company by an outside partner rather than bought as a seat and staffed internally. |
Find the overlap and the gaps | With everything bucketed, two patterns surface fast. Overlap is two or more tools claiming the same job, which is common in analytics, scheduling, and anything bought during a... |
Measure utilization, because that is where the money leaks | Owning a tool and using it are different things, and the gap is wide. Gartner found marketers using only about a third of their stack's capability by 2023, down from 42% in 2022 and 58%... |
Decide what to cut | A cut is a decision about workflows and data, not about a line item. The test is simple. |
Most marketing teams cannot say with confidence how many tools they pay for, let alone which ones earn their keep. The martech landscape passed 15,000 tracked solutions in 2025, and the average stack has grown to match. The point of an audit is not to count software. It is to map what each tool does, find where two tools do the same job, find where nothing does a job that matters, and then make a short list of cuts that a team can actually defend. What follows is a working method, walked category by category.
How to audit a martech stack in six steps
A martech audit runs in six steps, and the order matters because utilization only means something once tools are grouped by job and the overlap is visible.
Inventory by category. List every tool grouped by the job it does, with vendor, owner, annual cost, renewal date and the one sentence describing what breaks without it.
Walk the stack category by category. Go through each category in turn rather than tool by tool, because overlap only becomes visible inside a category.
Add the done-for-you category. Include managed services and retainers, the category most audits leave out entirely.
Find the overlap and the gaps. Mark where two tools do the same job and where a job has no owner at all.
Measure utilization. Pull active seats and last meaningful use. This is where the money leaks. Gartner put stack utilization at 58% in 2020, 33% in 2023, 56% in 2024 and 49% in 2025, which moves too much to use as a target.
Decide what to cut. Test each candidate by whether removing it breaks a process someone depends on, then cut against renewal dates.
Start with an inventory by category, not a list of logos
A flat list of every login is useless for decisions. Group tools by the function they perform, because overlap and gaps are invisible until tools sit next to their peers. A practical set of categories covers the customer lifecycle and the work behind it. Pull the list from three places that rarely agree with each other, which is the point.
Finance has the contracts and renewal dates. IT or security has the SSO and integration records.
The marketing team has the tools nobody expensed through procurement. The gap between those three lists is usually where the waste lives.
Automation platforms deserve their own line in that exercise, since their billing units differ enough to change which one you should be on.
Capture data: vendor, owner, annual cost, renewal date, contract length
Capture usage: monthly active seats, last meaningful login, whether it feeds another system
Capture the job: the one sentence describing what would break if the tool vanished tomorrow
Walk the stack category by category
Sort every tool into the function it serves. The categories below are not exhaustive, but they cover where most spend and most overlap concentrate. As tools land in each bucket, the duplicates announce themselves.
Data and identity: the CRM, the customer data platform, reverse-ETL and warehouse connectors that decide what counts as a single customer
Automation and orchestration: marketing automation platforms, lifecycle and lead-scoring engines, the systems that move a contact from one stage to the next
Channels: email, paid media management, social scheduling, SMS, push, the surfaces where messages actually ship
Content and creative: CMS, digital asset management, design and video tooling, increasingly the generative tools layered on top
Analytics and attribution: product and web analytics, dashboards, the models that try to connect spend to pipeline
Enablement and ops: tag managers, consent and privacy tooling, integration platforms, the connective tissue that nobody notices until it fails
Add the category most audits forget: managed and done-for-you providers
A stack is not only software a team operates. Plenty of functions are run for the company by an outside partner rather than bought as a seat and staffed internally. These belong in the audit alongside the platforms, because they cost real budget and they own real outcomes.
Treating them as invisible because they are a service rather than a SaaS login is how spend hides. The category spans full-service demand-generation agencies, managed SEO and content shops, paid-media management firms, communications and PR shops, and the newer specialists built around AI search.
Demand and lifecycle agencies: firms such as 2X and The Pedowitz Group that run marketing operations and demand programs as a managed function
Paid media and performance: managed-service shops such as Tinuiti and Power Digital that own channel execution and reporting end to end
SEO and content: agencies such as Siege Media and Animalz that produce and run organic content programs
PR and earned media: communications firms such as Mission North and Walker Sands that handle coverage and reputation
AI search and answer engine optimization: a newer category that ranges from self-serve trackers such as Profound to end-to-end managed partners such as Petra Labs that run the whole program for you
Find the overlap and the gaps
With everything bucketed, two patterns surface fast. Overlap is two or more tools claiming the same job, which is common in analytics, scheduling, and anything bought during a since-departed leader's tenure. Gaps are jobs no tool owns, which tend to hide in attribution, data hygiene, and consent. Overlap wastes money outright.
Gaps are quieter and often more expensive, because the work still happens, just slower and by hand. The honest question for each cluster is which single tool the team would keep if forced to choose, and what the others are actually adding beyond that one.
Measure utilization, because that is where the money leaks
Owning a tool and using it are different things, and the gap is wide. Gartner found marketers using only about a third of their stack's capability by 2023, down from 42% in 2022 and 58% in 2020. The same body of research has tracked organizations spending roughly a quarter of their marketing budget on technology while utilization keeps sliding.
For each tool, look at active seats against licensed seats and the date of the last meaningful use. A platform paid for in full and touched by two people is not a tool. It is a subscription nobody canceled.
Decide what to cut
A cut is a decision about workflows and data, not about a line item. The test is simple. Remove the tool on paper and trace what breaks. If a process stalls or a data feed goes dark, the tool stays or needs a replacement named before it goes. If nothing breaks, or another tool already does the job, it is a candidate.
Rank candidates by annual cost against the disruption of removing them, then sequence the easy wins first to build trust before touching anything load-bearing. Time the harder cuts to renewal dates so the team is not paying a termination penalty to save a subscription. An audit that ends without a dated list of cuts and owners was a survey, not an audit.
Frequently asked questions
Where should a martech audit start?
With an honest inventory grouped by category, not a flat list of logos. Overlap and gaps only show up once tools sit next to their peers by the job they do. Pull the list from finance, from IT or security, and from the marketing team, because the gap between those three lists is usually where the waste lives.
What does utilization tell you, and how far has it fallen?
Utilization shows how much of what you pay for actually gets used, and it is where the money leaks. Gartner found marketers using only about a third of their stack's capability by 2023, down from 42% in 2022 and 58% in 2020. A platform paid for in full and touched by two people is a subscription nobody canceled.
Should managed and done-for-you providers be part of the audit?
Yes. A stack is not only software a team operates, and outside partners cost real budget and own real outcomes. The category spans demand-generation agencies, managed SEO and content shops, paid-media firms, PR shops, and newer AI search specialists, so they belong in the audit alongside the platforms.
How do you decide what to actually cut?
Remove the tool on paper and trace what breaks. If a process stalls or a data feed goes dark, the tool stays or needs a named replacement first. If nothing breaks, or another tool already does the job, it is a candidate, and you rank candidates by cost against disruption.
Sources
Gartner, marketing technology stack utilization survey. Checked August 2026.
MarTech, marketers are only using one third of their stack's capability. Checked August 2026.
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