runsonwhat

Gelfand, Rennert & Feldman's tech stack

What does Gelfand, Rennert & Feldman use?

Gelfand, Rennert & Feldman (grfllp.com) uses at least 16 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and WordPress for its website. Last checked .

Industry
Financial Services
Size
201–1,000 employees
Based in
Century City, United States
Founded
1967
LinkedIn
Company page
Re-check liveVisit grfllp.com
Tools found
16
Categories
10
Layers
5 of 5
Last checked
Oct 2026

Gelfand, Rennert & Feldman'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

1 tool, where the bytes are served from

Hosting & Cloud

Application

2 tools, what the product is built with

Frontend

Media & UI

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

3 tools, how they find and keep customers

Website & CMS

Ads & Pixels

Company Ops

8 tools, what the team runs on day to day

Workspace

Dev Tools

Finance & Legal

Security & Compliance

Companies like Gelfand, Rennert & Feldman also use

Tools common among companies with a similar stack that we haven't found at Gelfand, Rennert & Feldman.

Companies with a stack like Gelfand, Rennert & Feldman's

Ranked by shared tools, with rare tools counting more.

More Financial Services companies

Other Financial Services companies we've checked.

Gelfand, Rennert & Feldman tech stack FAQ

What tools does Gelfand, Rennert & Feldman use?

As of October 2026, runsonwhat has found 16 tools at Gelfand, Rennert & Feldman (grfllp.com) in public records. Edge & Hosting: WP Engine. Application: jQuery and Google Fonts. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, Apple Business and GlobalSign. Last checked October 7, 2026.

What cloud does Gelfand, Rennert & Feldman run on?

Gelfand, Rennert & Feldman uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine and code on grfllp.com. WP Engine is used by 50,236 companies runsonwhat tracks.

What email provider does Gelfand, Rennert & Feldman use?

Gelfand, Rennert & Feldman uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 697,030 companies runsonwhat tracks.

What analytics tools does Gelfand, Rennert & Feldman use?

Gelfand, Rennert & Feldman uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on grfllp.com. Google Analytics is used by 845,599 companies runsonwhat tracks.

What is Gelfand, Rennert & Feldman's website built with?

Gelfand, Rennert & Feldman uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on grfllp.com. WordPress is used by 578,951 companies runsonwhat tracks.

Does Gelfand, Rennert & Feldman use jQuery?

Yes. runsonwhat found jQuery at Gelfand, Rennert & Feldman through jQuery code on grfllp.com. jQuery is a Frontend tool used by 893,068 companies runsonwhat tracks.

Which companies have a tech stack similar to Gelfand, Rennert & Feldman's?

The companies with the stacks most like Gelfand, Rennert & Feldman's are Cleerly, Future Standard, CrossCountry Mortgage and Curve OS, according to runsonwhat (October 2026). Each shares 4 to 9 tools with Gelfand, Rennert & Feldman, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Gelfand, Rennert & Feldman uses?

runsonwhat reads public records only. Of the 16 tools at Gelfand, Rennert & Feldman, 7 were found through code on grfllp.com, 6 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and grfllp.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.