Arbitrum - About the company
Arbitrum is a seed company based in Princeton (United States), founded in 2018 by Harry Kalodner and Ed Felten. It operates as a Blockchain-enabled application development platform for the fintech industry. Arbitrum has raised an undisclosed amount in funding from Delphi Ventures. The company has 63 active competitors, including 23 that are funded. Its top competitors include companies like Optimism, Offchain Labs and Metis.
Company Details
Blockchain-enabled application development platform for the fintech industry. It is a decentralized public network that allows startups or enterprises to build applications. It provides application development for payments, banking, fraud mitigation, and more.
- Website
- arbitrum.io
- Social
Key Metrics
Founded Year
2018
Location
Princeton, United States
Stage
Seed
Latest Funding Round
Investors
Ranked
4th among 63 active competitors
Employee Count
142 as on Sep 30, 2026
Investment & Acquisitions
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Arbitrum's funding and investors
Arbitrum has raised funding over 1 round. Its latest funding round was a Seed round on Oct 08, 2021 for $*****. 1 investor participated in its latest round. Arbitrum has 9 institutional investors.
Here is the list of recent funding rounds of Arbitrum:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Oct 08, 2021 | 1458114 | Seed | 2107589 | 2699128 | 7647154 | 6223969 |
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Arbitrum's founders and board of directors
Founder? Claim ProfileThe founders of Arbitrum are Harry Kalodner and Ed Felten.
Here are the details of Arbitrum's key team members:
- Harry Kalodner: Co-Founder of Arbitrum.
- Ed Felten: Co-Founder of Arbitrum.
View details of Arbitrum's Founder profiles and Board Members
Arbitrum's employee count trend
Arbitrum has 142 employees as of Sep 26. Here is Arbitrum's employee count trend over the years:
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Arbitrum's Competitors and alternates
Top competitors of Arbitrum include Optimism, Offchain Labs and Metis. Here is the list of Top 10 competitors of Arbitrum, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | Optimism 2019, New York City (United States), Series B | Developer of blockchain software used for scaling decentralized network applications | $175M | 73/100 | |
2nd | Offchain Labs 2018, Princeton (United States), Series B | Developer of solutions for Ethereum smart contracts | $124M | 64/100 | |
3rd | Provider of layer two scaling infrastructure for decentralized blockchain networks | $4M | 63/100 | ||
4th |  Arbitrum 2018, Princeton (United States), Seed | Blockchain-enabled application development platform for the fintech industry | - | 59/100 | |
5th | Blockchain-based network for hosting web3 applications | $21.6M | 58/100 | ||
6th |  Zeeve 2018, Dubai (United Arab Emirates), Seed | Provider of blockchain deployment and management platform for Web3 infrastructure | $3.75M | 57/100 | |
7th |  Movement Network 2023, British Virgin Islands, Series B | Developer of modular move-based blockchains | $141M | 56/100 | |
8th |  ENS 2017, Christchurch (New Zealand), Funding Raised | Blockchain-based platform for decentralized domain name and governance | - | 55/100 | |
9th | Provider of a blockchain platform for decentralized finance (DeFi) by utilizing Layer 2 protocols | $20.3M | 54/100 | ||
10th | Rome 2024, Solana Beach (United States), Series A | Developer of software enabling interoperability between blockchain networks and ecosystems | $9M | 54/100 |
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Arbitrum's Investments and acquisitions
Arbitrum has not made any acquisitions yet. Arbitrum has made 5 investments.Here is the list of latest three $investments:
Date of Investment/Acquisition | Type | Company Name | Founded Year | Location |
|---|---|---|---|---|
Jul 30, 2026 | Investments | 2026 | - | |
Jul 02, 2026 | Investments | 2026 | - | |
Oct 21, 2025 | Investments | 2017 | San Francisco (United States) |
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Reports related to Arbitrum
Here is the latest report on Arbitrum's sector:
News related to Arbitrum
Filter this listMedia has covered Arbitrum for a total of 18 events in the last 1 year, 8 of them have been about company updates and 3 about partnerships.
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Arbitrum Partners with Paxos to Integrate Global Dollar Stablecoin for Revenue ShareCoinDesk•Oct 06, 2026•Paxos, Arbitrum
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Arbitrum's Rally Under Threat: Monthly Token Unlocks and Potential Price CollapseWall St.•Oct 02, 2026•Arbitrum
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Arbitrum DAO Generated $6.19M Income in H1 2026, Diversifies Revenue StreamsAlexaBlockchain•Sep 02, 2026•Arbitrum, CoinDesk
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ARB Price Signals Reversal To $0.089 Amid Buying Pressure And OBV BreakoutTron Weekly•Jul 10, 2026•Arbitrum
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