About SumUp
mobile payments, digital payments, point of sale, card readers, business account, invoices, business solutions, payment links, gift cards, loyalty rewards program, mpos, mobile card payments, acceptance of card payments, online store, customer acquisition, ecommerce, contactless payments, qr code payments, pos solutions, business tools
SumUp's Tech Stack
Performance
Marketing
Other
Route 53
Salesforce Live Agent
Cloud
CMS
Design
Payment
Frontend
Backend
Mobile
AI/ML
Sales Outreach Angle
CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.
SumUp's Position in the StackWho Database
- • SumUp is 1 of 21,667 financial services companies tracked in StackWho.
- • 21,586 financial services companies in our database have verified decision-maker emails (100% of the cohort).
- • 47,721 companies in England are in the StackWho database.
- • 671 financial services companies are in the 1001-5000 employee range (same size as SumUp).
Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.
Frequently Asked Questions
What technology does SumUp use?
SumUp uses CloudFlare CDN, Salesforce, Route 53, Amazon SES, Sendgrid, Gmail, and 55 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at SumUp?
StackWho has verified email addresses for 58 decision makers at SumUp. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach SumUp directly for sales, recruiting, or partnerships.
What industry is SumUp in?
SumUp operates in the financial services industry, headquartered in England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export SumUp's contact data?
Yes. StackWho Pro members can export decision maker contact data for SumUp and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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