Verified Co-Founder B2B contact lists for United States. 4% average reply rate (Woodpecker Cold Email Study 2024). Governed by CAN-SPAM Act. One-time purchase, no subscription, 90% deliverability guaranteed.
What the data shows
Cold email to Co-Founder contacts in United States is governed by CAN-SPAM Act (Controlling the Assault of Non-Solicited Pornography And Marketing Act of 2003). No opt-in required. Unsubscribe link and physical address mandatory. Most permissive regime among the 20 countries.
Opt-out window: 10 business days
No prior consent required. Include a functional unsubscribe link in every email.
Co-founders typically own a functional domain (CTO, CPO, CMO as title alongside Co-Founder). Personalise to their stated domain. Otherwise, same approach as Founder — direct, short, specific.
United States outreach style: Direct, value-first, brief. US decision makers scan email in under 5 seconds — front-load the value proposition in the first sentence.. What works: Specific ROI outcome in opening line ('Our clients book 12 meetings/month from verified US VP Sales lists'),Social proof from named companies in the same industry,Short, single-ask CTA ('open to a 15-minute call this week?'),Plain text or near-plain-text format — looks personal,4-6 word subject lines, sentence case
Tested subject lines for Co-Founder:
Quarvio is a one-time purchase. Order verified Co-Founder contacts in United States, pay once, no subscription, credits valid 12 months. Apollo.io exports 25-35% bounce unverified. Quarvio: under 3% guaranteed.
+ verifier, credits expire
annual contract
+ verifier, credits expire
annual contract
+ verifier, credits expire
annual contract
+ verifier, credits expire
annual contract
Apollo pricing based on Professional plan public page, 2026. ZoomInfo pricing typically cited at $15,000-40,000/year based on G2 reviewer reports. Quarvio: one-time purchase, valid 12 months.
Yes. Cold email to US business contacts is legal under the CAN-SPAM Act. No prior consent is required — you must include a functional unsubscribe mechanism, honor opt-out requests within 10 business days, and display your physical postal address in every commercial email. CAN-SPAM applies regardless of where the sender is located, if the recipient is in the US.
Co-Founder titles average a 4% reply rate in B2B cold email campaigns (Woodpecker Cold Email Study 2024). Adjusted for United States market conditions, campaigns typically see a 4.0% reply rate. Sequence length, subject line quality, and personalisation depth all influence the final rate.
Quarvio runs SMTP verification immediately before order delivery — not at the time the database is compiled. This means each Co-Founder contact is tested against the live mail server at the moment you order. Contacts that fail verification are replaced. The result is a typical bounce rate below 3%, compared to 25-35% on unverified Apollo exports.
Quarvio maintains Co-Founder coverage across United States with a focus on the leading B2B cities: New York, San Francisco, Chicago. Volume varies by industry — technology, financial services, and professional services tend to have the highest Co-Founder density. Contact us before ordering to confirm availability for your specific ICP.
The highest-performing Co-Founder subject lines are company-specific, short (4-7 words), and avoid generic phrases. Tested examples from the Instantly benchmark study: "Quick question about [Company]'s growth stack" and "How [Similar startup] is 3x'ing their outbound pipeline". Subject lines referencing a recent company event outperform generic ones by 2-3x in United States.
None at most stages In United States, Cold email to US business contacts is permitted under CAN-SPAM — no prior consent required, only a functional unsubscribe and physical address.. Direct outreach works best at growth-stage companies.
SMTP-verified at delivery. 90% deliverability guaranteed. One-time purchase from $129 for 5,000 contacts. No subscription, no auto-renewal, credits valid 12 months.