David Zwagemaker

Seed investor for SaaS and marketplace founders

📍 Netherlands🔄 Updated July 2026💼 12 investments📅 8 years investing🗓 Last invested Jan 2025
VC🌍 Netherlands
12
Total investments
3
Early stage
5
Mid stage
1
Late stage
8y
Years active

Portfolio

12 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor (Pre-seed)
Jan 2025
The future of enterprise efficiency is here. Intelligent automation meets human expertise, transforming how teams collaborate and execute complex operations. Synthex serves the enterprises who demand more efficiency, smarter workflows, and seamless collaboration between people and intelligent systems.
Investor & Board Member
Apr 2023
We make it simple for creators & merchants to sell NFTs, Discord memberships, subscriptions, e-commerce, video content & digital products with crypto payments ⚡️Accept one-click, DeFi payments in #USDC and 100s of digital assets ⚡️Reach new customers who love to pay with their Phantom, MetaMask or other wallets ⚡️Instant payouts & low fees ⚡️Eliminate expensive chargebacks ⚡️Integrations with YouTube, Discord, TradingView, Magic Eden and other digital platforms to make it easy to sell. Helio powers DeFi payments for +3,000 sellers and +75,000 unique active wallets. We support the major blockchains including Bitcoin, Ethereum, Solana & Polygon. Twitter: https://twitter.com/helio_pay Discord: https://discord.gg/helio Jobs: join.hel.io
Angel Investor
Apr 2023
bina offers precision primary education. Master teachers lead tiny classes of 4-8 year olds from across the globe. Our education is data driven, adaptive and inclusive.
Investor
Feb 2023
konfetti is the go-to booking platform for local classes and activities, team building experiences and gifts. At konfetti we lead the way by digitising a predominantly technology-free industry, and shaping a new way in which local workshops and their customers connect. We are much more than an online booking platform. 🎉 Our partners trust konfetti to manage and grow their workshops and classes with our seamless booking software.
Investor & Advisory Board Member
Sep 2022
Widgetbook - the collaboration platform for Flutter frontend teams. Widgetbooks open source package allows Flutter developers to catalogue their widgets in one central library - similar to Storybook.js. With Widgetbook Cloud, this library can easily be shared with designers, product owners and clients to simplify review processes.
Investor
Sep 2021
Music investing for everyone
Investor & Board Member
Apr 2021
We want to make it possible for every kid in the world to experience the positives of team sports. With strong values, a clear mission, and an amazing team we are on the journey to fundamentally change the daily life of global youth sports. In less than five years weve grown to over 2,3 million users and 290 000+ teams around the globe. Join us on the journey towards 100 million users and our vision to unite the world of youth sports. If you’re curious about what our team looks like behind the scenes and our day-to-day, follow us @story_of_heja on Instagram 😎
Investor
Apr 2021
Authologic bridges the gap between traditional KYC and the future of digital identity verification. Our innovative eID Hub empowers regulated businesses to transform their customer onboarding, and more. We simplify the complex world of identity checks by aggregating and orchestrating diverse methods – including government-issued eIDs, wallets and traditional document verification – through a single, powerful API. This allows businesses to reduce fraud, boost conversion rates, ensure global compliance, and enhance operational efficiency. Choose Authologic for a resilient, frictionless, and secure eID Hub, that scales with your KYC needs and delights your customers.
Investor & Board Member
Jan 2021
Precisely is the contract management platform designed with trust at its core, giving you security, compliance, and peace of mind. A SaaS company founded in Gothenburg in 2014, we are on a mission to set a new standard for digital contracting -- for legal teams and beyond.
Investor & Advisory Board Member
Apr 2020
Hygraph is a Headless CMS that makes it easy for teams to build content-driven applications that scale across brands and markets. With Hygraph, you can simplify global content distribution by effectively unifying content into a single source of truth that is actionable.
Investor & Board Member
Dec 2019
StoryChief centralises the process of editorial teams and social media managers so they can collaborate better, distribute their content faster and measure multi channel content performance in one place. StoryChief connects to your CMS, DAM and CRM systems. It has a lot of powerful features to improve the quality of your content, save time and increase content reach.
Angel Investor
Apr 2018
Let Oaky work for you - become a leader in upselling Oaky is a hyper-personalised and automated upselling engine that helps hotels drive additional profit from their existing customers by delivering a superior guest experience. Save time Oaky connects to your PMS and automatically sends personalised offers to your arriving guests. Increase revenue Sell more room upgrades, resell available rooms and drive more ancillary revenue. Happier guests Let your guests design their entire stay: from the airport transfer and upgrading their room to adding breakfast and buying museum tickets. ROI 13.8 | E-mail open rate 83% | Upgrade / deal conversion 13% | Click rate 49%
Experience · 16 entries
All (16)
Investments (12)
Founder (2)
Board (4)
2025
Investor (Pre-seed)
Jan 2025
The future of enterprise efficiency is here. Intelligent automation meets human expertise, transforming how teams collaborate and execute complex operations. Synthex serves the enterprises who demand more efficiency, smarter workflows, and seamless collaboration between people and intelligent systems.
2023
Investor & Board Member
Apr 2023
We make it simple for creators & merchants to sell NFTs, Discord memberships, subscriptions, e-commerce, video content & digital products with crypto payments ⚡️Accept one-click, DeFi payments in #USDC and 100s of digital assets ⚡️Reach new customers who love to pay with their Phantom, MetaMask or other wallets ⚡️Instant payouts & low fees ⚡️Eliminate expensive chargebacks ⚡️Integrations with YouTube, Discord, TradingView, Magic Eden and other digital platforms to make it easy to sell. Helio powers DeFi payments for +3,000 sellers and +75,000 unique active wallets. We support the major blockchains including Bitcoin, Ethereum, Solana & Polygon. Twitter: https://twitter.com/helio_pay Discord: https://discord.gg/helio Jobs: join.hel.io
Angel Investor
Apr 2023
bina offers precision primary education. Master teachers lead tiny classes of 4-8 year olds from across the globe. Our education is data driven, adaptive and inclusive.
Investor
Feb 2023
konfetti is the go-to booking platform for local classes and activities, team building experiences and gifts. At konfetti we lead the way by digitising a predominantly technology-free industry, and shaping a new way in which local workshops and their customers connect. We are much more than an online booking platform. 🎉 Our partners trust konfetti to manage and grow their workshops and classes with our seamless booking software.
2022
Investor & Advisory Board Member
Sep 2022
Widgetbook - the collaboration platform for Flutter frontend teams. Widgetbooks open source package allows Flutter developers to catalogue their widgets in one central library - similar to Storybook.js. With Widgetbook Cloud, this library can easily be shared with designers, product owners and clients to simplify review processes.
Show all 16 entries ↓
Investment activity
2018–2025 · 12 investments
20181201912020120214202212023320251
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