runsonwhat

4Efficiency's tech stack

What does 4Efficiency use?

4Efficiency (4ef.nl) uses at least 14 tools we can see from public records, including Microsoft 365 for email and documents, Leadinfo for sales, Google Analytics for analytics and WordPress for its website. Last checked .

Industry
IT Services
Size
11–50 employees
Based in
Deventer, Netherlands
Founded
2007
LinkedIn
Company page
Re-check liveVisit 4ef.nl
Tools found
14
Categories
9
Layers
4 of 5
Last checked
Oct 2026

4Efficiency'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.

Application

1 tool, what the product is built with

Frontend

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

6 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Company Ops

5 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Companies like 4Efficiency also use

Tools common among companies with a similar stack that we haven't found at 4Efficiency.

Companies with a stack like 4Efficiency's

Ranked by shared tools, with rare tools counting more.

4Efficiency tech stack FAQ

What tools does 4Efficiency use?

As of October 2026, runsonwhat has found 14 tools at 4Efficiency (4ef.nl) in public records. Application: jQuery. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, SendGrid and Cookiebot. Last checked October 6, 2026.

What sales tools does 4Efficiency use?

The sales tools runsonwhat has found at 4Efficiency are Leadinfo (October 2026); no CRM shows up in 4Efficiency's public records. runsonwhat found Leadinfo through Leadinfo code on 4ef.nl. Leadinfo is used by 5,405 companies runsonwhat tracks.

What email provider does 4Efficiency use?

4Efficiency uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 700,596 companies runsonwhat tracks.

What analytics tools does 4Efficiency use?

4Efficiency uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on 4ef.nl. Google Analytics is used by 850,248 companies runsonwhat tracks.

What is 4Efficiency's website built with?

4Efficiency uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on 4ef.nl. WordPress is used by 581,264 companies runsonwhat tracks.

Does 4Efficiency use jQuery?

Yes. runsonwhat found jQuery at 4Efficiency through jQuery code on 4ef.nl. jQuery is a Frontend tool used by 895,811 companies runsonwhat tracks.

Which companies have a tech stack similar to 4Efficiency's?

The companies with the stacks most like 4Efficiency's are Het Nieuwe Eemland, Westmore, WeY and NL Investeert, according to runsonwhat (October 2026). Each shares 5 to 10 tools with 4Efficiency, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what 4Efficiency uses?

runsonwhat reads public records only. Of the 14 tools at 4Efficiency, 10 were found through code on 4ef.nl, 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 4ef.nl 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.