Agency & Consultancy
Eidra vs Margelo
Structured technology and market comparison · 2026
Direct Feature Comparison
Eidra · vs · MargeloEnterprise consultancy combining strategy, design, technology and marketing execution.
React Native mobile engineering and product design agency.
Analyze all overlapping signals and tech stacks for Eidra and Margelo
Compare mutual enterprise clients, monetization models, live market signals, and partner networks directly in the interactive Knowledge Graph.
Comparison Analysis
What is the main difference between Eidra and Margelo?
When comparing Eidra and Margelo, both platforms operate within the Web/App Development & UX Design and Agency & Consultancy ecosystem. Eidra is positioned as Enterprise consultancy combining strategy, design, technology and marketing execution, whereas Margelo focuses on React Native mobile engineering and product design agency. Decision-makers evaluate both solutions when orchestrating their commercial monetization and technology stack.
What are the top alternatives to Eidra and Margelo?
When evaluating Eidra and Margelo, enterprise buyers also consider other platforms in Web/App Development & UX Design and Agency & Consultancy. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.
How do the corporate scale, structure, and headquarters of Eidra and Margelo compare?
Eidra is headquartered in SE (founded in 2019) with 1,001–5,000 employees. Margelo is based in AT (founding year unrecorded) with 10–49 employees. Complete ownership, subsidiary trees, and corporate affiliations are documented across Polaris7.
Market Signals
Recent Market Signals & Activity: Eidra vs Margelo
Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.
Eidra
Recent Signals
No recent market signals documented for Eidra in the current tracking window.
Margelo
Recent Signals
- ·Trending TopicsInfrastructure
Callstack Acquires Margelo for Over $20M
Polish software company Callstack is acquiring Vienna-based engineering firm Margelo in a deal valuing the latter at more than €20 million. Both companies specialize in React Native, a cross-platform framework for building mobile apps. Margelo is known for its open-source libraries (VisionCamera, react-native-mmkv, Nitro Modules) and contract development for clients like Discord, Coinbase, and Expensify. Callstack, founded in 2016, employs over 200 people and serves enterprise clients. The acquisition aims to expand Callstack's technology portfolio and support international growth. Founder Marc Rousavy will stay on and retain a significant stake. The deal follows a recent growth investment from Viking Global Investors that valued Callstack at around €120 million.
- Callstack is acquiring Margelo for a valuation exceeding €20 million.
- Margelo is known for open-source React Native libraries with over 420 million total npm downloads.
- Marc Rousavy will remain with the combined company as a significant shareholder.
- ·Trending TopicsM&A
Polish Callstack Acquires Vienna-Based React Native Firm Margelo
Polish software consultancy Callstack has acquired Vienna-based engineering firm Margelo in a transaction valuing Margelo at more than €20 million. Margelo is known for open-source React Native libraries such as Nitro Modules, VisionCamera, and react-native-mmkv, and lists Discord, Coinbase, Expensify, and VSCO as clients. Callstack, founded in 2016 in Wrocław, employs more than 200 people and serves over 100 enterprise customers. Margelo founder Marc Rousavy will remain on board and continue developing the libraries. The companies say AI is shifting software development toward architecture, performance, and secure releases. Callstack previously received a growth investment from Viking Global Investors in summer 2025, which valued the company at roughly €120 million. No closing date or regulatory approval details were disclosed.
- Callstack is acquiring Margelo, valuing the Vienna-based firm at over €20 million.
- Margelo's open-source libraries include Nitro Modules, VisionCamera, and react-native-mmkv.
- Margelo has about 39 senior developers and lists Discord, Coinbase, Expensify, and VSCO as clients.
- ·Trending TopicsM&A
BOOKR Kids Raises €6.1M Series A; Callstack Acquires Margelo
Budapest-based educational technology company BOOKR Kids has secured €6.1 million in a Series A funding round led by TCEE Fund IV, advised by 3TS Capital Partners. The capital will support international expansion of its digital language-learning library and AI-enabled teacher tools. Concurrently, Polish software developer Callstack has acquired Vienna-based mobile engineering firm Margelo, a specialist in React Native open-source libraries, in a deal valuing Margelo at over €20 million. Founder Marc Rousavy will remain with Callstack to drive mobile technology developments.
- BOOKR Kids secured €6.1 million in a Series A round led by TCEE Fund IV.
- BOOKR Kids reports revenues of approximately $2.7 million for 2025 and is EBITDA-positive.
- Polish software development company Callstack acquired Vienna-based mobile engineering firm Margelo.
Compare their exact ecosystem overlaps.
Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Eidra and Margelo share across the market ecosystem.
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