Closer

closer.app

Krakow, Wojewodztwo malopolskie, Poland

11-50 employees

LinkedIn Profile

About Closer

communication, artificial intelligence, machine learning, customer relations, integration capabilities, proactive messaging, ai-powered matching, real-time messaging, customer journey management, role-based access control, integration with third-party tools, custom actions, support for automotive and pharma industries, natural language processing, on-premise cloud solutions, support for multiple industries, custom integrations, automated responses, enterprise chatbots, support for saas and finan

Closer's Tech Stack

Decision Makers at Closer

1 contact

Katherine Krug

Founder & CEO

k***@trycloser.com Sign up to view

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11 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.

Closer's Position in the StackWho Database

• Closer is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 432 companies in Wojewodztwo malopolskie are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Closer).

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

Frequently Asked Questions

What technology does Closer use?

Closer uses Sendgrid, Gmail, Google Apps, Google Cloud Hosting, CloudFlare, Webflow, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Closer?

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

What industry is Closer in?

Closer operates in the information technology & services industry, headquartered in Krakow, Wojewodztwo malopolskie, Poland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Closer's contact data?

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