Insights

Fortune-Plus SMB Appstem has a track record of partnering with Fortune 500 brands and high-growth startups, indicating a proven ability to handle complex, scale-driven software projects while also serving smaller, agile teams. This opens opportunities to pitch flexible engagement models and portfolio diversification across enterprise and startup clients.

Full‑Stack Specialization As a full‑service agency delivering web, mobile, and emerging product development, Appstem can be positioned as a single‑vendor solution for clients seeking cohesive design and technology execution, reducing vendor management overhead and accelerating time‑to‑value.

GrowingSales Momentum Recent leadership addition to the sales team signals a focus on expanding market reach and closing new logos. This presents an opening for targeted outreach to enterprise buyers and growth‑stage firms looking for aggressive go‑to‑market collaborations.

Diverse Tech Stack Appstem’s use of modern capabilities (PWA, cloud‑based tools, and standards like jQuery and Foundation) suggests readiness to modernize legacy systems or build progressive web apps for mobile‑first strategies, appealing to clients seeking modernization and performance improvements.

Portfolio & Partnerships Past collaborations with UC Davis and venture into telemedicine and sports/activity apps illustrate domain versatility and educational/health tech credibility, offering cross‑sell opportunities into healthcare, education, and wellness verticals alongside existing digital product needs.

Appstem Tech Stack

Appstem uses 8 technology products and services including DoubleClick Floodlight, Cloudflare, Emotion, and more. Explore Appstem's tech stack below.

  • DoubleClick Floodlight
    Advertising
  • Cloudflare
    Content Management System
  • Emotion
    Javascript Frameworks
  • Polyfill
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • HubSpot
    Marketing Automation
  • PWA
    Miscellaneous
  • ZURB Foundation
    UI Frameworks

Media & News

Appstem's Email Address Formats

Appstem uses at least 1 format(s):
Appstem Email FormatsExamplePercentage
First.Last@appstem.comJohn.Doe@appstem.com
90%
First@appstem.comJohn@appstem.com
10%

Frequently Asked Questions

What is Appstem's phone number?

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You can contact Appstem's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Appstem's official website and social media links?

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Appstem's official website is appstem.com and has social profiles on LinkedIn.

How much revenue does Appstem generate?

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As of July 2026, Appstem's annual revenue is estimated to be $10M - $25M.

What is Appstem's SIC code NAICS code?

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Appstem's SIC code is 7371 - Computer Programming Services NAICS code is 541511 - Custom Computer Programming Services.

How many employees does Appstem have currently?

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As of July 2026, Appstem has approximately 16 employees across 2 continents, including North AmericaEurope. Key team members include Senior Project Manager: D. C.. Explore Appstem's employee directory with LeadIQ.

What industry does Appstem belong to?

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Appstem operates in the IT System Custom Software Development industry.

What technology does Appstem use?

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Appstem's tech stack includes DoubleClick FloodlightCloudflareEmotionPolyfilljQueryHubSpotPWAZURB Foundation.

What is Appstem's email format?

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Appstem's email format typically follows the pattern of First.Last@appstem.com. Find more Appstem email formats with LeadIQ.

When was Appstem founded?

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Appstem was founded in 2010.
Appstem logo

Appstem

IT System Custom Software DevelopmentCalifornia, United States11-50 Employees

Appstem is a San Francisco-based firm that designs and builds custom software to address complex business challenges. It delivers end-to-end development for web, mobile, and emerging product platforms, balancing engineering rigor with a focus on user-friendly design. Since its founding in 2010, Appstem has partnered with Fortune 500 brands and high-growth startups to launch more than 250 apps. 

In the IT system custom software development space, the company operates as a small-to-mid-sized team and positions itself as a blend of a full-service agency and a boutique firm, emphasizing close collaboration and attention to detail. The firm has earned industry recognition, including being named a top development company in San Francisco by Clutch in 2018. A recent development noted in its news is the hiring of Mitch Zenaty in November 2023 to lead the expansion of its sales capacity.

Section iconCompany Overview

Phone number
SIC Code
7371 - Computer Programming Services
NAICS Code
541511 - Custom Computer Programming Services
Founded
2010
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Appstem's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Appstem's revenue is estimated to be in the range of $10M - $25M

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