Funding

Reliable Robotics Raises $115M in New Capital Led by Nimble Partners

Oct 21, 2026 | By Devin Jacobs

Reliable Robotics Raises $115M in New Capital Led by Nimble Partners

Reliable Robotics, a Mountain View, CA-based company that specializes in autonomous aircraft systems, has raised $115 million in new capital, bringing the total amount to $380 million, upsizing its previously announced $160 million Series D round to $275 million and pushing its valuation over $1 billion.

The round was led by Nimble Partners with participation from Silicon Valley Bank, Gideon Capital, RockCreek, Geek Ventures, Gold Hill Capital, Sparkwave Capital, Island Green Partners, and Allen & Company.

The company intends to use the funds to expand its fleet of aircraft and production facilities, and to rapidly scale the engineering team.

What is Reliable Robotics?

Founded in 2017 by Robert Rose and Juerg Frefel, Reliable Robotics develops autonomous flight technology for commercial and defense aircraft. Its technology is designed to make air transportation safer and more efficient while reducing the cost of moving people and goods.

Read More:Kodama Systems Raises $7M to Expand Forestry Robotics

The company's Reliable Autonomy System (RAS) and Reliable Radar are designed to address major causes of aviation accidents. The system integrates with existing aircraft and aviation infrastructure to support automated operations, including taxiing, takeoff, flight management and landing.

Funding Details

Reliable Robotics raised $115 million in new capital led by Nimble Partners with participation from Silicon Valley Bank, Gideon Capital, RockCreek, Geek Ventures, Gold Hill Capital, Sparkwave Capital, Island Green Partners and Allen & Company.

The investment increases the company's previously announced Series D round to $275 million. Its total funding has reached $380 million, and its valuation has crossed $1 billion.

How Will Reliable Robotics Use the Funding?

The company will use the funds to expand its aircraft fleet and production facilities. It also plans to rapidly grow its engineering team to support the development and deployment of it's autonomous flight technology.

Reliable Robotics funding

Company Background

Reliable Robotics develops autonomous aircraft systems for commercial, and military applications. It's technology is designed to work with existing aviation infrastructure without requiring changes to the National Airspace System for commercial operations.

The company has established partnerships across the aviation industry, including with aircraft manufacturers, avionics providers and operators. It has also secured contracts with multiple branches of the U.S. military and completed several military airworthiness review processes with the U.S. Air Force.

Market and Business Growth

Reliable Robotics is working with the Federal Aviation Administration (FAA) to certify its Reliable Autonomy System for commercial operations on the Cessna 208B Grand Caravan.

The company has also been selected for the FAA's Advanced Air Mobility Integration Pilot Program. This allows it to conduct pre-certification operations in the National Airspace System, delivering cargo to small and rural communities across New Mexico and Colorado.

Its technology is designed to support automated aircraft operations, from taxiing and takeoff to landing, while improving safety and operational efficiency.

Reliable Robotics Market and Business Growth

What Happens Next?

Reliable Robotics plans to expand its fleet, increase production capacity and strengthen its engineering team. It will also continue working toward FAA certification for commercial autonomous aircraft operations.

Read More:Firefly Raises $20M in Series A Funding Led by Definition Capital

Recommended Stories for You