Find co-founder emails, phone numbers, and LinkedIn profiles by company
Search co-founders, founders, CEOs, technical founders, and managing partners by company website, domain, industry, size, geography, verified email, phone availability, and LinkedIn URL.
Co-founder search fit
Find Co-Founder Emails: direct answer
Co-founder email searches work best when the target is a founder-led company where more than one operator may own product, growth, partnerships, hiring, or vendor decisions. Dievio helps build co-founder lists by combining Co-Founder, Founder, CEO, Technical Founder, COO, and Managing Partner variants with company domain, startup stage, industry, employee size, location, email availability, phone availability, and LinkedIn URLs.
What makes this search reliable
Use these points to check whether the page maps to a real buying or data workflow, not just a broad category label.
LinkedIn URL coverage helps verify that the co-founder still works at the company being targeted.
Employee-size and industry filters keep early-stage founder outreach separate from mature executive-team outreach.
Commercial and technical co-founders often need different campaign copy and should not always share one export.
Who should use this page
Use these paths to decide whether Dievio fits the actual lead generation job, not just the broad software category.
Outbound teams
Founder-led startup outreach where co-founders still own buying decisions.
Agency lists
Partnership, recruiting, software, and agency offers aimed at early-stage teams.
Market validation
Teams separating co-founder lists from broader CEO or owner lists.
Manual review
Campaigns that need LinkedIn review before contacting founders.
How to make the search specific
Role-based searches work best when title filters are combined with company context. Start narrow enough to protect relevance, then broaden titles, geography, or industry only after preview counts show that the segment is too small.
Define the segment
Lock the buyer role, company profile, geography, and data availability rules before export.
Preview before credits
Check whether the market is too narrow, too broad, or missing required contact fields.
Export by message
Split lists by persona or use case so outreach, enrichment, and reporting stay clean.
Co-founder search recipe
Build the list around the kind of founder you need, not the word co-founder alone.
- Use Co-Founder plus CEO/COO/CTO variants based on the buying problem.
- Filter by current company domain and stage before requiring contact fields.
- Export separate files for technical-founder, commercial-founder, and agency-owner motions.
Practical workflow detail
This page includes a concrete decision table, a sample output shape, and the shortest useful path from search to handoff.
Example co-founder record
The useful result explains both the founder role and why the company belongs in the segment.
- Contact
- Priya Shah, Co-Founder & COO
- Company
- Seed-stage B2B software company, 31 employees, United States
- Fields
- Business email, LinkedIn URL, company domain, phone when available
- Why included
- Commercial co-founder at a founder-led software company inside the selected size band
Mini workflow: co-founder contact search
Choose Co-Founder, Founder, CEO, COO, CTO, and Technical Founder variants.
Add company domain, startup stage, industry, location, and employee-size filters.
Require verified email and LinkedIn URL, then export separate founder-role segments.
Find Co-Founder Emails quality test
A role-search page is useful only when the final list is specific enough for one campaign, one message, and one review workflow.
Start with exact titles and common variants, then use seniority and department filters to remove false positives.
Creates a role list that matches buyer responsibility, not just title text.Add industry, employee size, geography, revenue, and domain filters before spending credits.
Keeps the list aligned to the offer and campaign volume.Decide whether email, phone, LinkedIn URL, or all three are required for export.
Prevents exporting records that cannot be used by the outreach channel.How to decide before you spend time or credits
Use this section as a practical checklist before building the list, comparing vendors, or moving the workflow into API usage.
Start with title variants
Search the exact title plus common variants, then use seniority and department filters to remove irrelevant contacts.
Add company context
Industry, company size, geography, revenue, and domain rules make a role-based list useful for a real campaign.
Check required fields
Decide whether the list needs verified email only, phone availability, LinkedIn URLs, or all three before exporting.
Recommended workflow
Separate operating co-founders from investor-style profiles
Start with Co-Founder, Founder, CEO, COO, CTO, and Technical Founder variants, then use current company, employee size, and LinkedIn URL filters to avoid old founder titles or advisory-only profiles.
Use company stage as the main guardrail
Filter by startup/software/service categories, 2-100 employee bands, target regions, and company domain so the list does not mix tiny side projects with mature executive teams.
Export by outreach angle
Keep technical co-founders, commercial co-founders, and agency owners separate when the campaign message is different. Require verified email for cold email and LinkedIn URL for manual review.
Example searches to run in Dievio
These are starter patterns, not fixed templates. Use them to test coverage, then adjust one filter group at a time.
Technical co-founder list
- Filters
- Co-Founder, CTO, Technical Founder; software/startup; 2-100 employees; LinkedIn URL required.
- Use it for
- Target product, engineering, API, infrastructure, or recruiting offers where the technical founder still evaluates vendors.
- Export fields
- Name, title, email, LinkedIn URL, company domain, size, country.
Commercial co-founder outreach
- Filters
- Co-Founder, CEO, COO; founder-led B2B companies; 11-150 employees; verified email.
- Use it for
- Build a list for growth, partnerships, sales, agency, or hiring campaigns aimed at operating founders.
- Export fields
- Founder contact fields plus company size, industry, region, and domain.
Filters to start with
These are the first filter groups to test. Start with the strict version, preview the count, then loosen one dimension at a time so relevance does not collapse.
Founder variants
Co-Founder, Founder, CEO, COO, CTO, Technical Founder
Stage filters
2-100 employees, software/startup/services, funding-stage proxy, country, region
Export fields
Verified email, LinkedIn URL, company domain, phone when available
What the final search should be ready for
The search should produce a focused role-based list that can be reviewed, personalized, and moved into the right outbound channel.
- Title variants, seniority, department, and company filters documented before export.
- Verified email, LinkedIn URL, and phone requirements matched to the outreach channel.
- A segment size that fits the campaign volume instead of a generic title dump.
Co-founder is not the same buyer in every company
A technical co-founder may own product and engineering decisions, while a commercial co-founder may own sales, partnerships, and hiring. Split title groups before export if the offer maps to only one side of the founding team.
Avoid stale founder titles
Founders often keep old titles after moving companies. LinkedIn URL and current company filters help remove contacts whose co-founder title no longer maps to the company you want to target.
Related pages for the same workflow
Continue from this page into live search, pricing, API planning, or a more specific lead-list playbook.
Questions teams ask before choosing Dievio
Can Dievio find co-founder emails by company domain?
Yes. Use company website or domain filters with Co-Founder, Founder, CEO, CTO, COO, and Technical Founder title variants, then require business email, phone availability, or LinkedIn URL fields before export.
Should I target co-founders or CEOs for early-stage outreach?
For early-stage companies, include both. CEO and Co-Founder often overlap, but splitting commercial and technical founder variants can make the final outreach more relevant.
How do I avoid exporting irrelevant founder profiles?
Use current company domain, employee size, industry, region, verified email, and LinkedIn URL filters. Preview the count before export and keep technical, commercial, and owner-operated segments separate.
Source notes
This page is based on Dievio title, current company, company domain, employee-size, industry, email, phone, LinkedIn URL, preview-count, and export workflows.
Last reviewed: June 2026
Validate the segment before you export
Use Dievio preview counts to check market size, tighten filters, and export leads only when the list is ready for outreach.