What technologies does Fill use?

Fill uses Route 53, Amazon SES, Gmail, Google Apps, Microsoft Office 365. View their full technology stack — including all 24 detected tools — on StackWho.

Who is the Co-Founder/CTO of Fill?

Faik Siddiqi is the Co-Founder/CTO at Fill. Get verified contact information on StackWho.

Who is the Co-Founder of Fill?

Daniel Sindahl is the Co-Founder at Fill. Get verified contact information on StackWho.

Where is Fill located?

Fill is based in Stockholm, Stockholm County, Sweden.

Fill

askfill.com

information technology & services

askfill.com

Stockholm, Stockholm County, Sweden

11-50 employees

LinkedIn Profile

About Fill

marketplace, saas, vms, procurement, indirect spend, msp, total talent management, p2p, technology, information & internet, human resources services, project management, performance reports and insights, vendor performance analytics, data security, management consulting, external workforce analytics, talent pool management, digital contract signing, contract renewal automation

Fill's Tech Stack

AI/ML

Decision Makers at Fill

5 contacts

Faik Siddiqi

Co-Founder/CTO

f***@assessmentengine.se Sign up to view

Daniel Sindahl

Co-Founder

d***@fill.work Sign up to view

Fredrik Tysk

Co-Founder

f***@askfill.com Sign up to view

Kristoffer Frenkiel

CEO & Co-Founder

k***@askfill.com Sign up to view

Isac Epstein

CEO & Co-founder

i***@askfill.com Sign up to view

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24 technologies detected · 5 decision makers · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

Fill's Position in the StackWho Database

• Fill is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 5,252 companies in Stockholm County are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Fill).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Fill use?

Fill uses Route 53, Amazon SES, Gmail, Google Apps, Microsoft Office 365, Amazon AWS, and 18 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Fill?

StackWho has verified email addresses for 5 decision makers at Fill. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Fill directly for sales, recruiting, or partnerships.

What industry is Fill in?

Fill operates in the information technology & services industry, headquartered in Stockholm, Stockholm County, Sweden. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Fill's contact data?

Yes. StackWho Pro members can export decision maker contact data for Fill and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.