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CSG Systems International, Inc.'s tech stack

What does CSG Systems International, Inc. use?

CSG Systems International, Inc. (csgi.com) uses at least 38 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Demandbase for sales and Freshdesk for customer support. Last checked .

“CSG provides customer experience, customer communications, billing and revenue management, and payments solutions that help enterprises deliver better customer journeys and monetize digital services across communications, media and entertainment, financial services, insurance, healthcare, utilities,”

Based in
Englewood, United States
Founded
1994
LinkedIn
Company page
Re-check liveVisit csgi.com
Tools found
38
Categories
18
Oldest proven tool
Sep 2017
Last checked
Oct 2026

CSG Systems International, Inc.'s stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

7 tools, what the product is built with

Frontend

Payments & Billing

Search

Media & UI

Data & Observability

4 tools, what they measure and store

Analytics

Go-to-market

8 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

16 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

People & HR

Security & Compliance

What changed at CSG Systems International, Inc.

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Phenom
  2. WP Engine

Companies like CSG Systems International, Inc. also use

Tools common among companies with a similar stack that we haven't found at CSG Systems International, Inc..

Companies with a stack like CSG Systems International, Inc.'s

Ranked by shared tools, with rare tools counting more.

CSG Systems International, Inc. tech stack FAQ

What tools does CSG Systems International use?

As of October 2026, runsonwhat has found 38 tools at CSG Systems International (csgi.com) in public records. Edge & Hosting: Cloudflare, WP Engine and Vercel. Application: YouTube, Vimeo and React. Data & Observability: Google Analytics, Google Tag Manager and Contentsquare. Go-to-market: Google Ads, LinkedIn Insight Tag and Pardot. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 3, 2026.

What cloud does CSG Systems International run on?

CSG Systems International uses WP Engine for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine, and CSG Systems International has used it since at least February 2018. WP Engine is used by 46,439 companies runsonwhat tracks.

What sales tools does CSG Systems International use?

The sales tools runsonwhat has found at CSG Systems International are Demandbase (October 2026); no CRM shows up in CSG Systems International's public records. runsonwhat found Demandbase through Demandbase code on csgi.com. Demandbase is used by 8,983 companies runsonwhat tracks.

What email provider does CSG Systems International use?

CSG Systems International uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 692,971 companies runsonwhat tracks.

What does CSG Systems International use for customer support?

CSG Systems International uses Freshdesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Freshdesk through Freshdesk code on csgi.com. Freshdesk is used by 11,701 companies runsonwhat tracks.

What payment provider does CSG Systems International use?

CSG Systems International uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on csgi.com. Stripe is used by 23,608 companies runsonwhat tracks.

How long has CSG Systems International used Phenom?

CSG Systems International has used Phenom since at least September 2017, going by the first public certificate of the csgi.com subdomain that points at Phenom. Other long-running tools at CSG Systems International include WP Engine (since February 2018).

Does CSG Systems International use Cloudflare?

Yes. runsonwhat found Cloudflare at CSG Systems International through Cloudflare code on csgi.com. Cloudflare is a CDN & Edge tool used by 649,194 companies runsonwhat tracks.

Which companies have a tech stack similar to CSG Systems International's?

The companies with the stacks most like CSG Systems International's are Vontier, Associa, Panera Bread and Driven Brands, according to runsonwhat (October 2026). Each shares 11 to 15 tools with CSG Systems International, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what CSG Systems International uses?

runsonwhat reads public records only. Of the 38 tools at CSG Systems International, 18 were found through code on csgi.com, 14 through DNS records, 3 through email records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and csgi.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.