# Clumio

> Clumio is a cloud-native, serverless backup-as-a-service platform built for AWS workloads. It protects data in Amazon S3, DynamoDB, RDS/Aurora, EC2/EBS and Apache Iceberg lakehouses with air-gapped, immutable backups and near-instant recovery at exabyte scale. Founded in 2017 by serial entrepreneur Poojan Kumar, Clumio raised roughly $261M before being acquired by Commvault in 2024, where its technology now anchors AWS cyber-resilience offerings.

- **Founded:** 2017
- **Headquarters:** Santa Clara, California, United States
- **Founders:** Poojan Kumar (Co-founder & CEO), Woon Ho Jung (Co-founder), Kaustubh Patil (Co-founder)
- **Team size:** Approximately 200-300 employees at peak (pre-acquisition)
- **Products:** Clumio Protect for Amazon S3, Backtrack, S3 Instant Access Restore, Clumio for AWS workloads, Clumio for Microsoft 365 / VMware Cloud on AWS
- **Notable:** Raised roughly $261M across four rounds from investors including Sutter Hill Ventures, Index Ventures and Altimeter Capital., Achieved zero RTO and a 15-minute RPO for Amazon S3, protecting up to 30 billion objects per bucket., Named 2023 InfoWorld Technology of the Year for cloud compliance and governance.

## Products & services

- **Clumio Protect for Amazon S3** — Air-gapped, immutable backup and near-instant recovery for S3 at scale - up to 30 billion objects per bucket with a 15-minute RPO and zero RTO.
- **Backtrack** — Uses S3 Versioning for near-instant, in-place rollback of buckets even at massive scale.
- **S3 Instant Access Restore** — Mounts a read-only S3 bucket from backup so applications come back online in minutes while full restore completes in the background.
- **Clumio for AWS workloads** — Agentless protection for DynamoDB, RDS/Aurora, EC2/EBS and Apache Iceberg lakehouses, discovered and protected automatically by policy.
- **Clumio for Microsoft 365 / VMware Cloud on AWS** — API-based backup for SaaS and hybrid workloads delivered through the same serverless console.

## Achievements

- Raised roughly $261M across four rounds from investors including Sutter Hill Ventures, Index Ventures and Altimeter Capital.
- Achieved zero RTO and a 15-minute RPO for Amazon S3, protecting up to 30 billion objects per bucket.
- Named 2023 InfoWorld Technology of the Year for cloud compliance and governance.
- Listed among DBTA's 75 Big Data Companies Driving Innovation in 2023.
- Acquired by Commvault in 2024; technology became the foundation of Commvault's AWS resilience offerings.

## Latest updates

- **2024-09** — Commvault announced the acquisition of Clumio to strengthen AWS and Amazon S3 cyber-resilience capabilities.
- **2024-02** — Raised a $75M Series D round to expand cloud data protection.
- **2023-01** — Won 2023 InfoWorld Technology of the Year for cloud compliance and governance.
- **2022-11** — Released breakthrough data protection and recovery for Amazon S3, including Backtrack and Instant Access Restore.

## Links

- Website: https://clumio.com
- LinkedIn: https://www.linkedin.com/company/clumio
- Twitter/X: https://twitter.com/clumioinc
- YouTube: https://www.youtube.com/c/Clumio

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Profile page: https://yespress.io/clumio
Published by YesPress — https://yespress.io
Last updated: 2026-06-29