What technologies does Mostly Serious use?

Mostly Serious uses Route 53, Gmail, Google Apps, Amazon AWS, Notion. View their full technology stack — including all 35 detected tools — on StackWho.

Who is the President of Mostly Serious?

Spencer Harris is the President at Mostly Serious. Get verified contact information on StackWho.

Who is the Founder & CEO of Mostly Serious?

Jarad Johnson is the Founder & CEO at Mostly Serious. Get verified contact information on StackWho.

Where is Mostly Serious located?

Mostly Serious is based in Springfield, Missouri, United States.

Mostly Serious

mostlyserious.io

marketing & advertising

mostlyserious.io

Springfield, Missouri, United States

11-50 employees

2946000 revenue

LinkedIn Profile

About Mostly Serious

interactive design, website writing, brands development, digital marketing, online marketing, websites, content creation, digital strategy, marketing plans, strategic planning, digital roadmaps, advertising services, digital asset transformation, local seo, lead generation, content management system customization, content marketing, business consulting, website accessibility, information technology and services

Mostly Serious's Tech Stack

AI/ML

Mobile

Android

React Native

Communication

Discord

DevOps

Docker

Decision Makers at Mostly Serious

2 contacts

Spencer Harris

President

s***@mostlyserious.io Sign up to view

Jarad Johnson

Founder & CEO

j***@mostlyserious.io Sign up to view

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35 technologies detected · 2 decision makers · 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.

Mostly Serious's Position in the StackWho Database

• Mostly Serious 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).
• 4,360 companies in Missouri are in the StackWho database.
• 21,907 marketing & advertising companies are in the 11-50 employee range (same size as Mostly Serious).

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 Mostly Serious use?

Mostly Serious uses Route 53, Gmail, Google Apps, Amazon AWS, Notion, Netlify, and 29 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Mostly Serious?

StackWho has verified email addresses for 2 decision makers at Mostly Serious. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Mostly Serious directly for sales, recruiting, or partnerships.

What industry is Mostly Serious in?

Mostly Serious operates in the marketing & advertising industry, headquartered in Springfield, Missouri, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Mostly Serious's contact data?

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