Firstup

firstup.io

information technology & services

firstup.io

San Francisco, California, United States

201-500 employees

100000000 revenue

LinkedIn Profile

About Firstup

advertising, analytics, consumer internet, information technology, internet, software development, no-code builder, multi-channel communication, email campaigns, employee communication platform, employee communication platform features, ai decisioning, employee communication tools, employee feedback collection, data-driven campaigns, employee communication strategy tools, employee advocacy programs, personalized employee journeys, employee retention, workforce transformation services

Firstup's Tech Stack

AI/ML

Analytics

Google Tag Manager

25 technologies detected · 6 decision makers · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Firstup's Position in the StackWho Database

• Firstup 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).
• 53,147 companies in California are in the StackWho database.
• 4,373 information technology & services companies are in the 201-500 employee range (same size as Firstup).

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

Frequently Asked Questions

What technology does Firstup use?

Firstup uses Salesforce, Cloudflare DNS, Sendgrid, Gmail, Marketo, Google Apps, and 19 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Firstup?

StackWho has verified email addresses for 6 decision makers at Firstup. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Firstup directly for sales, recruiting, or partnerships.

What industry is Firstup in?

Firstup operates in the information technology & services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Firstup's contact data?

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