About LEFF
consulting, content creation, paid social media, video production, graphic design, presentations, product positioning, strategy & messaging, speeches, digital marketing, data vizualization, webinars, communications strategy, content development, marketing services, public relations, b2b, market research, content marketing, government
LEFF's Tech Stack
Frontend
Marketing
Analytics
Social
Mobile
AI/ML
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.
LEFF's Position in the StackWho Database
- • LEFF is 1 of 80,546 marketing & advertising companies tracked in StackWho.
- • 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
- • 11,640 companies in Illinois are in the StackWho database.
- • 21,907 marketing & advertising companies are in the 11-50 employee range (same size as LEFF).
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 LEFF use?
LEFF uses Rackspace MailGun, Gmail, Mimecast, Google Apps, Flywheel, Mobile Friendly, and 12 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at LEFF?
StackWho has verified email addresses for 1 decision maker at LEFF. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach LEFF directly for sales, recruiting, or partnerships.
What industry is LEFF in?
LEFF operates in the marketing & advertising industry, headquartered in Chicago, Illinois, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export LEFF's contact data?
Yes. StackWho Pro members can export decision maker contact data for LEFF and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Browse IllinoisTechnologies Used
- Rackspace MailGun
- Gmail
- Mimecast
- Google Apps
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Flywheel
- Mobile Friendly
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Linkedin Marketing Solutions
- Google Font API
- +10 more in full profile