Multithread effectively and personalize outreach to convert deals faster
Elevate social presence and drive business growth from social media
Identify and prioritize high-intent leads, and improve sales effectiveness
Find and connect with ICP attendees, and improve event outcomes
Sumdog Ltd is an educational technology company that develops adaptive online learning games designed to improve skills in mathematics, spelling, and grammar for children aged 5-14. Their platform is used by millions of students in schools and homes, primarily in the UK and the USA, making learning engaging and personalized through game-based activities that adapt to each child's ability level.
The Edinburgh headquarters serves as the central hub for Sumdog's global operations, including product development, software engineering, educational content creation, research, marketing, sales, and customer support.
A modern, open-plan office space designed to foster collaboration and innovation, located in a central Edinburgh lane. It features breakout areas and meeting rooms suited for a dynamic tech team.
Sumdog fosters a mission-driven and collaborative work culture, focusing on making a positive impact on children's education. There's an emphasis on teamwork, continuous learning, and a supportive environment that encourages innovation in EdTech.
This headquarters is pivotal for Sumdog, housing the core teams that drive the innovation, development, and delivery of its educational platform to millions of users worldwide. Its location in Edinburgh allows Sumdog to tap into a rich talent pool and a vibrant tech ecosystem.
Sumdog's digital learning platform is accessible globally, with a significant user base in the United Kingdom and the United States. Core functions like product development, engineering, and educational research are centralized at its Edinburgh HQ. Regional support, sales, and marketing efforts are tailored for key markets, notably through its US office, ensuring localized service for its international community of educators and students.
43 Queensferry Street Lane
Edinburgh
Scotland
United Kingdom
Address: Sumdog Inc., 81 Prospect St, Brooklyn, NY 11201, USA
To expand Sumdog's presence and market share within the U.S. educational sector, providing localized engagement and support for teachers, students, and parents across North America.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, Sumdog Ltd' leadership includes:
Sumdog Ltd has been backed by several prominent investors over the years, including:
No major publicly announced executive hires or exits were found for Sumdog Ltd. in the last 12 months, suggesting leadership stability during this period.
Discover the tools Sumdog Ltd uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Sumdog Ltd. commonly uses the email format [first name]@[companydomain.com] (e.g., jane@sumdog.com). Other formats such as [first initial][last name]@[companydomain.com] or [first name].[last name]@[companydomain.com] may also be in use by some employees.
[first]@sumdog.com
Format
jane@sumdog.com
Example
85%
Success rate
BESA (British Educational Suppliers Association) • September 27, 2023
Sumdog Ltd. has become a member of the BESA Launchpad community, a group that supports innovative companies in the UK education sector. This membership aims to help Sumdog further expand its reach and impact within educational institutions....more
Sumdog Blog • September 2023
Sumdog announced several updates and new features to its learning platform in September 2023, including new math games, enhanced reporting tools for teachers, and improvements to user experience, aiming to keep learning engaging and effective for students....more
See where a company’s workforce is located, by country or region.
View past and recent funding rounds with amounts and investors.
Understand company revenue estimates and financial scale.
Track active roles and hiring trends to spot growth signals.
Discover what a company offers—products, platforms, and solutions.
Get the company’s official SIC and NAICS classifications.
Analyze visitor volume, engagement, and top traffic sources.
Explore LinkedIn, Twitter, and other active social profiles.
Identify top competitors based on similar business traits.
Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.
Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.
Thousands of companies, including Sumdog Ltd, are just a search away.