runsonwhat

TaxDown's tech stack

What does TaxDown use?

TaxDown (taxdown.es) uses at least 32 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .

“Un fiscalista lleva tu caso y Luz, la IA de TaxDown, lo hace en minutos. Renta, requerimientos de Hacienda, autónomos y más.”

Industry
Fintech
Based in
Spain
Founded
2019
LinkedIn
Company page
Re-check liveVisit taxdown.es
Tools found
32
Categories
16
Layers
5 of 5
Last checked
Oct 2026

TaxDown'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

5 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

DNS

Application

4 tools, what the product is built with

Frontend

Payments & Billing

Media & UI

Data & Observability

5 tools, what they measure and store

Analytics

Go-to-market

11 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

7 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Security & Compliance

Companies like TaxDown also use

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

Companies with a stack like TaxDown's

Ranked by shared tools, with rare tools counting more.

More Fintech companies

Other Fintech companies we've checked.

TaxDown tech stack FAQ

What tools does TaxDown use?

We've found 32 tools at TaxDown (taxdown.es). Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Meta Pixel, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, SendGrid and Amazon SES. Last checked October 4, 2026.

What cloud does TaxDown run on?

TaxDown uses Amazon Web Services and Vercel for hosting. We found Amazon Web Services through website code.

What CRM does TaxDown use?

TaxDown uses HubSpot for sales and CRM. We found HubSpot through email records and website code.

What email provider does TaxDown use?

TaxDown uses Microsoft 365 for email and documents. We found Microsoft 365 through email records and website code.

What does TaxDown use for customer support?

TaxDown uses Zendesk and Intercom for customer support. We found Zendesk through custom domain, email records and website code.

What payment provider does TaxDown use?

TaxDown uses Stripe for payments. We found Stripe through DNS verification records and website code.

Does TaxDown use Microsoft 365?

Yes. We found Microsoft 365 at TaxDown through email records and website code. Microsoft 365 is used by 319,377 companies we track.

How does runsonwhat know what TaxDown uses?

We read public traces only: TaxDown's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.