TAM Builders delivers complete, accurate target-account and contact lists for B2B companies that want to stop guessing who to sell to.
With us, your entire market is mapped out in one place, including the right people to contact. All data is checked, structured, and ready to use, so your team can move forward with confidence.
Get Your TAM Built
See How It Works
TAM Builders delivers complete, accurate target-account and contact lists for B2B companies that want to stop guessing who to sell to.
With us, your entire market is mapped out in one place, including the right people to contact. All data is checked, structured, and ready to use, so your team can move forward with confidence.
✅ Full TAM Mapping using advanced data sourcing
✅ Undiscovered & verified contacts across every relevant stakeholder
✅ Scored, segmented, and reasoning-backed datasets
✅ Ready for outbound in 5 days
✅ Single source of truth shared across sales, marketing, and leadership
Problem Today 👇🏻
Problem Today 👇🏻
Do I have a targeting problem?
(Check all that apply)
□ You’re targeting accounts, but don’t actually know who’s in your total market.
□ You’re targeting accounts, but don’t actually know who’s in your total market.
□ Your lists are messy, outdated, or filled with companies that don’t fit your ICP.
□ Your lists are messy, outdated, or filled with companies that don’t fit your ICP.
□ You’re missing key stakeholders, or not sure who the real decision-maker is.
□ You’re missing key stakeholders, or not sure who the real decision-maker is.
□ Your SDRs spend more time fixing lists than booking meetings.
□ Your SDRs spend more time fixing lists than booking meetings.
□ Sales and marketing are misaligned because they’re working from different data.
□ Sales and marketing are misaligned because they’re working from different data.
Solution: TAM Builders
Book a package at TAM Builders
✅ Full TAM Mapping using advanced data sourcing
✅ Undiscovered & verified contacts across every relevant stakeholder
✅ Scored, segmented, and reasoning-backed datasets
✅ Single source of truth shared across sales, marketing, and leadership
✅ Ready for outbound in 5 days
Book a package at TAM Builders
(this is what you get👇🏻)
Step 1 — Intake Form
You share your ICP and targeting goals.
You share your ICP and targeting goals.
Step 2 — Kickoff
We clarify project scope and market sizes.
Step 3 — Data Sourcing
We source data from hundreds of public & private databases.
We source data from hundreds of public & private databases.
Step 4 — Entity Matching
Deduplication, scoring, and firmographic filters ensure quality.
Deduplication, scoring, and firmographic filters ensure quality.
Step 5 — Contact Discovery
Uncover verified contacts for each account.
Step 6 — Reasoning & Segmentation
AI-powered enrichment and scoring by segment.
AI-powered enrichment and scoring.
Step 7 — Delivery Outreach-Ready TAM
After a final check, your final lists are delivered in segmented file.
After final check, final lists are delivered in file.
After a final check, your final lists are delivered in segmented file.
Step 8 — Kick-off Session
90-minute consultant session on list usage, copywriting, and outreach flows
90-minute consultant session on list usage, copywriting, outreach
90-minute consultant session on list usage, copywriting, and outreach flows
Not yet convinced? Calculate your ROI with TAM Builders
Not yet convinced? Calculate your ROI
with TAM Builders
Calculate my ROI now
📊
50+ TAMs
SuccesfullyDelivered
📊
50+ TAMs
Succesfully
Delivered
📊
50+ TAMs
Succesfully
Delivered
Full, ICP-aligned datasets ready for activation.
Full, ICP-aligned datasets ready for activation.
🗂️
20,000+ Accounts 60,000+ People
🗂️
20,000+ Accounts 60,000+ People
🗂️
20,000+ Accounts 60,000+ People
High-volume, deeply enriched datasets built with precision.
High-volume, deeply enriched datasets built with precision.
🌍 Experience Across 10+ Industries
🌍 Experience Across 10+ Industries
🌍 Experience Across 10+ Industries
Supporting SME teams and enterprise GTM organizations.
Supporting SME teams and enterprise GTM organizations.
Packages & Pricing
Packages & Pricing
🔍 TAM Lists
🔍 TAM Lists
From €2,000
Fully enriched and accurate target account and contact lists, built from your ICP qualifiers and ready for immediate outreach.
Fully enriched and accurate target account and contact lists, built from your ICP qualifiers and ready for immediate outreach.
400+ qualified & enriched companies
400+ qualified & enriched companies
Up to 1,200 enriched contacts with emails & LinkedIn URLs (optional: mobile numbers €500)
Up to 1,200 enriched contacts with emails & LinkedIn URLs (optional: mobile numbers €500)
Get your TAM
🚀 TAM Lists + Kick-off Session
🚀 TAM Lists + Kick-off Session
From €2,500
Same as with TAM Build package. Plus:
Same as with TAM Build package. Plus:
Includes 90-minute Kick-off Session
Includes 90-minute Kick-off Session
Guidance on segmentation & prioritization. Outreach copywriting and workflow advice. Live Q&A with a GTM consultant.
Guidance on segmentation & prioritization. Outreach copywriting and workflow advice. Live Q&A with a GTM consultant.
Get your TAM + Kick-off Session
⚡️ Up / Cross-sell lists
⚡️ Up / Cross-sell lists
From €1,500
Discover hidden upsell and cross-sell opportunities from your existing customer list.
Discover hidden upsell and cross-sell opportunities from your existing customer list.
Full enrichment of your current customer list. Detection of expansion triggers & buying signals.
Full enrichment of your current customer list. Detection of expansion triggers & buying signals.
Upsell/cross-sell opportunity mapping. Delivered ready for immediate sales action.
Upsell/cross-sell opportunity mapping. Delivered ready for immediate sales action.
Get Up / Cross-sell lists
Subscription Model
Subscription Model
🔍 Monthly TAM Campaign
🔍 Monthly Campaign
From €1,850 p.m.
Monthly Fully enriched and accurate target account and contact lists, built from your ICP qualifiers and ready for immediate outreach.
Monthly Fully enriched and accurate target account and contact lists, built from your ICP qualifiers and ready for immediate outreach.
400+ qualified & enriched companies
400+ qualified & enriched companies
Up to 1,200 enriched contacts with emails & LinkedIn URLs (optional: mobile numbers €500)
Up to 1,200 enriched contacts with emails & LinkedIn URLs (optional: mobile numbers €500)
Get your Monthly TAM Campaign
Get your Monthly TAM
Meet The Team
Caspar van de Walle & Jesse Bak
Founders and GTM specialists helping B2B companies grow by aligning marketing, sales, and strategy through social selling, strong LinkedIn content, and practical outreach.
Hands-on, and focused on turning insight into real conversations, pipeline, and results, using AI tools that actually work.
Not yet convinced? Calculate your ROI
with TAM Builders
Calculate now
Stop guessing. Start selling to the right market.
Stop guessing. Start selling to the right market.
Build My TAM
Stop guessing. Start selling to the right market.
Build My TAM
What others are saying
What others are saying
Trusted by forward-thinking B2B teams
Trusted by forward-thinking B2B teams
“The TAM report was a game changer, precise data and great service.”
Eva J., Chief Revenue Officer
B2B SaaS
“Our SDRs went from cold lists to hot accounts. Very good investment”
Simon D., Sales Manager
Tech Scaleup
“TAM Builders delivers exactly what sales and marketing teams need for focus and growth.”
Louis V., Head of Marketing
Tech Scaleup
FAQ
FAQ
How do you make sure you understand your full market without missing important companies or roles?
We map your full market based on your industry, region, and ICP. This includes all companies that belong in your target group, the roles involved in the buying process (DMU), and the practical information you need for outreach. The result is a clear picture of “who is in the market” without noise or guesswork.
How do you make sure the data you deliver is reliable and not just another scraped list?
We combine multiple data sources, AI, and human verification to make sure the lists are current and accurate. No outdated companies, no missing contacts, no generic scraping outputs. Everything is structured, checked, and delivered in a way your team can use immediately.
What does your workflow look like, and how quickly do we receive the final lists and insights?
We use a productized process with defined steps, a fixed scope, and a predictable turnaround time. You know exactly what inputs we need, what the output looks like, and when you will receive it. Most projects are completed within five working days, which keeps momentum high.
How do you make sure you understand your full market without missing important companies or roles?
We map your full market based on your industry, region, and ICP. This includes all companies that belong in your target group, the roles involved in the buying process (DMU), and the practical information you need for outreach. The result is a clear picture of “who is in the market” without noise or guesswork.
How do you make sure the data you deliver is reliable and not just another scraped list?
We combine multiple data sources, AI, and human verification to make sure the lists are current and accurate. No outdated companies, no missing contacts, no generic scraping outputs. Everything is structured, checked, and delivered in a way your team can use immediately.
What does your workflow look like, and how quickly do we receive the final lists and insights?
We use a productized process with defined steps, a fixed scope, and a predictable turnaround time. You know exactly what inputs we need, what the output looks like, and when you will receive it. Most projects are completed within five working days, which keeps momentum high.
How do you make sure you understand your full market without missing important companies or roles?
We map your full market based on your industry, region, and ICP. This includes all companies that belong in your target group, the roles involved in the buying process (DMU), and the practical information you need for outreach. The result is a clear picture of “who is in the market” without noise or guesswork.
How do you make sure the data you deliver is reliable and not just another scraped list?
We combine multiple data sources, AI, and human verification to make sure the lists are current and accurate. No outdated companies, no missing contacts, no generic scraping outputs. Everything is structured, checked, and delivered in a way your team can use immediately.
What does your workflow look like, and how quickly do we receive the final lists and insights?
We use a productized process with defined steps, a fixed scope, and a predictable turnaround time. You know exactly what inputs we need, what the output looks like, and when you will receive it. Most projects are completed within five working days, which keeps momentum high.
TextJesse operating as TAM Builders
KvK: 80236804
VAT: NL003937301B16
KvK: 80236804
VAT: NL003937301B16
TextJesse operating as TAM Builders
KvK: 80236804
VAT: NL003937301B16