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How to segment companies by size, industry and location

The three filters that multiply your conversion rate and eliminate blind prospecting

Key Takeaways
  • How to Segment Companies by Size, Industry and Location is key for any B2B sales team that wants to sell with data instead of assumptions
  • Teams applying this approach significantly improve their conversion rate vs those who improvise
  • Vonsel: 200 businesses free to try; paid plans from 18 EUR/month before tax.

Why segment companies before prospecting?

Segmenting companies by size, industry, and location is the most important step before any B2B prospecting campaign. Without segmentation, you send the same message to completely different companies — and response rates plummet. OpenView Partners shares pricing insights from 2,200 SaaS companies showing how deal sizes vary dramatically by company segment.

According to Forrester Research, teams that segment their database before contacting improve their response rate by 78%. It is not more work — it is working smarter.

commercial intelligence starts here: with a clean database, filtered by the criteria that matter for your product.

78%
improvement in response rate when you segment before contacting
— Forrester Research, 2025
78%
better response rate with prior segmentation
3.5x
more conversion when personalizing by segment
45%
reduction in prospecting time

The 3 essential B2B segmentation filters

Not all filters have the same impact. HubSpot predicts that AI will reshape marketing and customer segmentation in fundamental ways. These are the three filters that transform your prospecting:

Industry only
Useful but insufficient. Cannot distinguish a startup from a multinational.
Efficiency40%
Industry + size
Better: you adapt the message to the company type. But ignores geography.
Efficiency60%
Industry + manual location
You segment by area but the process is slow and error-prone.
Efficiency55%
Recommended
Industry + size + location with data
With the Google Maps Scraper you filter by all 3 criteria in seconds. Verified data in 120+ countries.
Efficiency95%
Segment your market in seconds
Search Maps, collect published website contacts and organise your prospects in the CRM. Free extraction covers 200 businesses; AI and export depend on your plan.
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Without segmentation

  • Same message for all companies
  • Response rate below 2%
  • No idea who has budget
  • Wasting time on unfit prospects

With triple segmentation

  • Personalized message per segment
  • Response rate of 8-15%
  • Prioritize right-sized companies
  • Only contact companies matching your ICP

How to segment in 4 steps

1

Define your segmentation criteria

Main industry, estimated size (by reviews/activity), and priority geographic area.

2

Generate the filtered database

Use the Google Maps Scraper to get companies meeting all 3 criteria. Download with email, phone, and social profiles.

3

Create sub-segments

Divide by city, neighborhood, or activity level. Each sub-segment gets a different message.

4

Adapt the message to each segment

Personalize mentioning something specific about their area or sector. Your ICP definition guides your tone.

Segmentation is not an extra step — it is the step that determines whether your campaign works or fails. A generic message gets ignored. A segmented message gets answered.

Segmentation criteria and their impact

Each filtering criterion adds precision to your prospecting. Eurostat's business demography statistics provide EU-wide data on enterprise birth rates, survival rates, and industry composition to inform your segmentation:

Criterion What it adds Impact on conversion
Industry / category Message relevance +35% response
Geographic location Proximity and local context +25% response
Size (reviews/activity) Alignment with your offer +40% conversion
Digital presence Prospect maturity +20% engagement
Google rating Quality and activity indicator +15% close rate
Selling to everyone is selling to no one. Segmentation is the weapon of closers

Checklist: Are you segmenting correctly?

Need segmented data? Generate your filtered database free

In Summary
  • Segmenting by size, industry, and location improves response rate by 78% vs generic prospecting
  • The 3 combined filters eliminate noise: you only contact companies that truly fit your offer
  • Vonsel: 200 businesses free to try; paid plans from 18 EUR/month before tax.
Segment your market with real data
Vonsel gives you databases filtered by industry, location, and activity. See pricing o contact us.
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Frequently Asked Questions

How to effectively segment B2B companies?
The three most effective filters are industry, geographic location, and size/activity. With Vonsel you can apply all three in seconds and get databases with verified contacts. Teams that segment before contacting improve their response rate by 78%.
Why is segmentation important before prospecting?
Without segmentation you send the same message to very different companies, drastically reducing response rates. Segmenting allows personalized messaging, prioritizing prospects with greater potential, and reducing time wasted on companies that do not fit.
What tools can I use to segment companies?
Search Google Maps and press Start. Vonsel gathers the business results as you explore the map, going beyond the pins you can see at a glance. Pause, continue and save your search when you are ready. Google Maps does not provide business emails. Vonsel visits the available business websites to find published emails, additional phone numbers and links to up to 118 supported social networks and other platforms. What it finds depends on what each website publishes. Keep businesses on a map, organise them by stage, edit their details and use a Kanban board, calendar, notes, actions, tags and custom fields. Free holds 20 businesses unlocked. Start holds 200, Grow 800, Pro 4,000 and Scale 20,000.