Return's tech stack
What does Return use?
Return (return.energy) uses at least 15 tools we can see from public records, including Microsoft 365 for email and documents, Plausible for analytics, Webflow for its website and Factorial for hiring and HR. Last checked .
- Industry
- Venture Capital & Private Equity
- Size
- 11–50 employees
- Based in
- Amsterdam, Netherlands
- Company page
- Tools found
- 15
- Categories
- 13
- Layers
- 5 of 5
- Changes seen
- 1
Return'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
2 tools, where the bytes are served from
CDN & Edge
DNS
Application
4 tools, what the product is built with
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
People & HR
Security & Compliance
What changed at Return
Recent starts and stops
- StartedPostmark
Companies like Return also use
Tools common among companies with a similar stack that we haven't found at Return.
Companies with a stack like Return's
Ranked by shared tools, with rare tools counting more.
Aqs Logistic Systems GmbHLogistics and Supply Chain · 11–50 people3in common
HYROXSports · 51–200 people8in common
Galler Lager- Und Regaltechnik GmbHWarehousing · 51–200 people4in common
Ohra Regalanlagen GmbHLogistics and Supply Chain · 201–1,000 people6in common
Acuity HcmIT Services · 11–50 people3in common
MONEIFintech · 11–50 people7in common
NextReality | WhatSoftware · 11–50 people2in common
Etc - Export Trading & CooperationFinancial Services · 11–50 people3in common
Return tech stack FAQ
What tools does Return use?
As of October 2026, runsonwhat has found 15 tools at Return (return.energy) in public records. Edge & Hosting: Cloudflare and DNSimple. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Plausible. Go-to-market: Webflow. Company Ops: Microsoft 365, Postmark and Slack. Last checked October 25, 2026.
What email provider does Return use?
Return uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 712,527 companies runsonwhat tracks.
What analytics tools does Return use?
Return uses Plausible for analytics, according to runsonwhat (October 2026). runsonwhat found Plausible through Plausible code on return.energy. Plausible is used by 7,145 companies runsonwhat tracks.
What is Return's website built with?
Return uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on return.energy. Webflow is used by 34,993 companies runsonwhat tracks.
What does Return use for hiring and HR?
Return uses Factorial for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Factorial through a DNS verification record for Factorial. Factorial is used by 371 companies runsonwhat tracks.
Does Return use jQuery?
Yes. runsonwhat found jQuery at Return through jQuery code on return.energy. jQuery is a Frontend tool used by 918,006 companies runsonwhat tracks.
Does Return use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at Return; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Return may use more AI tools than these.
Has Return changed tools recently?
Yes. On runsonwhat's rechecks, Return started using Postmark (latest on October 25, 2026). A change counts only between two checks of return.energy done the same way.
Which companies have a tech stack similar to Return's?
The companies with the stacks most like Return's are Aqs Logistic Systems, HYROX, Galler Lager- Und Regaltechnik and Ohra Regalanlagen, according to runsonwhat (October 2026). Each shares 3 to 8 tools with Return, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Return uses?
runsonwhat reads public records only. Of the 15 tools at Return, 8 were found through DNS records, 4 through code on return.energy, 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 return.energy 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.