What technologies does Yesterday use?

Yesterday uses Gmail, Google Apps, Amazon AWS, Webflow, Instantly. View their full technology stack — including all 19 detected tools — on StackWho.

Who is the Co-Founder of Yesterday?

Millie Marconi is the Co-Founder at Yesterday. Get verified contact information on StackWho.

Where is Yesterday located?

Yesterday is based in Australia.

Yesterday

hireyesterday.com

information technology & services

hireyesterday.com

Australia

1-10 employees

LinkedIn Profile

About Yesterday

hr software & org chart, technology, information & internet, repetitive work, task efficiency, b2b, services, purpose-built solutions, workflow automation, high-value tasks, specialized ai tools, professional pain points, workflow optimization, task automation, computer systems design and related services, ai automation, information technology and services, ai tools, productivity enhancement, information technology & services

Yesterday's Tech Stack

AI/ML

Decision Makers at Yesterday

1 contact

Millie Marconi

Co-Founder

m***@yesterday.work Sign up to view

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19 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

Yesterday's Position in the StackWho Database

• Yesterday 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).
• 97,391 information technology & services companies are in the 1-10 employee range (same size as Yesterday).

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 Yesterday use?

Yesterday uses Gmail, Google Apps, Amazon AWS, Webflow, Instantly, Mobile Friendly, and 13 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Yesterday?

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

What industry is Yesterday in?

Yesterday operates in the information technology & services industry, headquartered in Australia. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Yesterday's contact data?

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