Callwise

callwise.com

1-10 employees

LinkedIn Profile

About Callwise

phone system, it support company, voip, telecoms consultant, microsoft teams integration, multi-user login, call parking, web portal management, call transfer, call management, cost-effective phone system, call queues, call analytics, call forwarding, voip system, b2b, call reporting, call blocking, voicemail to email, customer relationship management

Callwise's Tech Stack

Decision Makers at Callwise

1 contact

Peter Kelly

Founder

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16 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

Callwise's Position in the StackWho Database

• Callwise is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 2,453 telecommunications companies are in the 1-10 employee range (same size as Callwise).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Callwise use?

Callwise uses DNS Made Easy, Gmail, Outlook, Google Apps, Microsoft Office 365, Google Cloud Hosting, and 10 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Callwise?

StackWho has verified email addresses for 1 decision maker at Callwise. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Callwise directly for sales, recruiting, or partnerships.

What industry is Callwise in?

Callwise operates in the telecommunications industry. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Callwise's contact data?

Yes. StackWho Pro members can export decision maker contact data for Callwise and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.