SUM.

SUM.

sumdesign.co.uk

marketing & advertising

London, England, United Kingdom
1-10 employees
3500000 revenue

About SUM.

advertising, integrated creative solutions, creative direction, digital, advertising services, luxury consumer, brand strategy, retail design, luxury packaging design, b2b, retail, brand consultancy, influencer management, luxury brand consultancy, d2c, luxury brand strategy development, graphic design services, web design and development, luxury goods and jewelry manufacturing, branded content

12 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

SUM. uses NSOne, Gmail, Google Apps among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

SUM.'s Position in the StackWho Database

  • SUM. is 1 of 80,546 marketing & advertising companies tracked in StackWho.
  • 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
  • 47,721 companies in England are in the StackWho database.
  • 56,565 marketing & advertising companies are in the 1-10 employee range (same size as SUM.).

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

Frequently Asked Questions

What technology does SUM. use?

SUM. uses NSOne, Gmail, Google Apps, Mobile Friendly, Google Tag Manager, Google translate widget, and 6 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at SUM.?

StackWho has verified email addresses for 1 decision maker at SUM.. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach SUM. directly for sales, recruiting, or partnerships.

What industry is SUM. in?

SUM. operates in the marketing & advertising industry, headquartered in London, England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export SUM.'s contact data?

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