ONNES CRYOGENICS PRIVATE LIMITED
Develops carbon-fibre-reinforced plastic (CFRP) cryogenic fuel tanks for spacecraft and rockets.
Website: https://onnes.in/
Cover Block
Open sources
| Field | Value |
|---|---|
| Company | ONNES CRYOGENICS PRIVATE LIMITED |
| Tagline | Develops carbon-fibre-reinforced plastic (CFRP) cryogenic fuel tanks for spacecraft and rockets. |
| Headquarters | Hyderabad, India |
| Founded | 2021 [PitchBook, 2026] |
| Stage | Pre-Seed |
| Business Model | B2B |
| Industry | Deeptech |
| Technology | Space |
| Geography | South Asia |
| Growth Profile | Venture Scale |
| Founding Team | Solo Founder |
| Funding Label | Undisclosed |
Links
Open sources
- Website: https://onnes.in/
- LinkedIn: https://in.linkedin.com/company/onnes-cryogenics
What an Investor Needs First
PUBLIC Onnes Cryogenics is a Hyderabad-based aerospace hardware startup developing carbon-fibre-reinforced plastic cryogenic tanks for spacecraft and rockets, and it merits investor attention because mass reduction in propellant storage is one of the few hardware improvements that can matter across launch, in-space servicing, and longer-duration missions [The Indian Sun, November 2024] [Deccan Chronicle, March 2025] [Crunchbase]. Founded in 2021, the company appears to be early in commercialization, with public records showing a small team, limited disclosed financing, and recent visibility through Australian space-sector programs rather than through announced customer deployments or large venture rounds [PitchBook, 2026] [LinkedIn] [Inc42, June 2024]. Its core product is a CFRP cryogenic pressurized vessel for hydrogen and oxygen storage, with the stated advantage of lower mass and thinner walls than conventional metallic tanks, a design choice that could be relevant not only for launch vehicles but also for future orbital refuelling and related infrastructure if technical validation holds [The Indian Sun, November 2024] [Deccan Chronicle, March 2025].
The public record identifies Dr. Ram K. Aluru as founder and CEO, while Vikram Raghavan is listed in company records as a director and in one business database as co-founder and CTO, which suggests a technically oriented leadership team even if detailed operating biographies are thin in the available sources [Deccan Chronicle, March 2025] [Zauba Corp] [ZoomInfo]. Onnes has also participated in the University of South Australia-linked Venture Catalyst Space program and is listed with the AWS Space Accelerator, which is more meaningful as external validation of relevance than as proof of commercial traction [The Indian Sun, November 2024] [Deccan Chronicle, March 2025] [Inc42]. Public funding evidence remains narrow: no priced round, round size, or valuation is confirmed, though Inc42 reports CIIE Initiatives as an investor and a June 27, 2024 funding-related event, while cap table data cited there indicates founders held 91.2% and investors 8.8% as of April 2, 2025 [Inc42, April 2025] [Inc42, June 2024].
From an investor's perspective, the company is best understood today as a pre-seed deeptech bet selling into B2B aerospace and adjacent defense or industrial markets, where technical qualification cycles are long and evidence of performance matters more than early branding [Crunchbase] [Inc42]. Over the next 12 to 18 months, the key public signals to watch are straightforward: named development partners or customers, evidence of ground or flight qualification, and clearer disclosure on how the company converts program participation into contracted demand [Deccan Chronicle, March 2025] [The Indian Sun, November 2024] [Indian Startup Times, July 2026].
Partially corroborated -- Relies on two independent news reports for product and program participation, with company database records and company profiles filling in team and funding context.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Pre-Seed |
| Business Model | B2B |
| Industry / Vertical | Deeptech |
| Technology Type | Space |
| Geography | South Asia |
| Growth Profile | Venture Scale |
| Founding Team | Solo Founder |
| Funding | Undisclosed |
Inside the Company
PUBLIC
ONNES CRYOGENICS PRIVATE LIMITED appears to be an early-stage aerospace hardware company built around a narrow technical problem: storing cryogenic propellants in lighter composite tanks rather than conventional metallic vessels. Public company databases place the business in Hyderabad, India, and identify it as a private limited company founded in 2021, while Crunchbase describes its work as the design and manufacture of carbon fibre reinforced plastic pressurized vessels for space, defense, military, and commercial use [Crunchbase].
The legal record is thin but directionally consistent. Zauba Corp lists the entity as ONNES CRYOGENICS PRIVATE LIMITED and names RAMA KRISHNA PRASAD ALURU and VIKRAM as directors, which supports the existence of a formal incorporated entity rather than a project or lab initiative [Zauba Corp]. Public-facing materials now use the Onnes Aerospace brand and frame the company more broadly around deep-space infrastructure, though that language is materially broader than the narrower product description visible in corporate databases [Onnes Aerospace website, retrieved 2026] [Crunchbase].
The clearest public milestones are corporate formation in 2021 and the later emergence of a branded web presence under Onnes Aerospace. Crunchbase also shows the company as active and operating from Hyderabad, but the available state-filing and company-database sources do not establish commercial launch, customer deployment, or a disclosed financing round from public filings alone [Crunchbase] [Zauba Corp].
Partially corroborated -- Confirmed across Crunchbase and Zauba Corp, with additional branding context from the company website.
Under the Hood
MIXED
The technical claim is straightforward, even if the public record is still thin. Onnes says it develops carbon-fibre-reinforced plastic, or CFRP, cryogenic fuel tanks for spacecraft and rockets, with coverage also pointing to hydrogen and oxygen storage use cases tied to launch vehicles and possible in-space refuelling applications [The Indian Sun, November 2024] [Deccan Chronicle, March 2025]. Crunchbase describes the company more broadly as designing and manufacturing cryogenic pressurized vessels made from CFRP for space, military, defense, and commercial industries, which is directionally consistent with the press coverage but still does not establish flight qualification, customer deployment, or production scale [Crunchbase].
The product argument rests on materials and mass efficiency rather than a software layer. The Indian Sun reported that the company positions its composite tanks as lighter, with thinner walls than conventional metallic tanks, a meaningful claim in launch economics if validated in test and mission environments [The Indian Sun, November 2024]. Deccan Chronicle separately reported that Onnes used the University of South Australia's Venture Catalyst Space program to advance hydrogen and oxygen storage designs, which suggests the company remains in an engineering-development phase rather than a proven, field-deployed hardware program [Deccan Chronicle, March 2025].
The website extends the ambition beyond tanks into infrastructure for persistent orbital operations, lunar logistics, autonomous space ecosystems, and deep-space missions, but that language is company-authored and should be read as positioning rather than verified capability [Onnes Aerospace website]. Public materials reviewed for this report do not verify a demonstrated tank in orbit, a named customer integration, or a certified launch-provider partnership, so the core technology case still turns on whether Onnes can convert a credible composite-cryogenics thesis into test data and qualification milestones [The Indian Sun, November 2024] [Deccan Chronicle, March 2025] [Indian Startup Times, July 2026].
Claim stands unchecked -- Product direction is corroborated by independent press and Crunchbase, but the broadest capability claims in this section rely in part on company-authored website language and there is no public verification of deployment or qualification.
Market Research
PUBLIC
The market matters now because cryogenic storage has moved from a narrow launch-vehicle component problem toward a broader bottleneck for reusable space systems, orbital servicing, and hydrogen infrastructure, even as public evidence on this company remains thin [Deccan Chronicle, March 2025] [The Indian Sun, November 2024].
Public sources do not provide a named third-party TAM, SAM, or SOM specifically for ONNES Cryogenics or for CFRP cryogenic tanks in Indian space applications. The more defensible way to size the opportunity is through adjacent demand pools that ONNES itself is publicly tied to: launch vehicles and spacecraft that need lightweight propellant storage, in-space refuelling concepts, defence and commercial aerospace applications, and green-hydrogen ground systems [The Indian Sun, November 2024] [Crunchbase] [Innovation & Collaboration Centre]. That does not establish near-term purchasable demand for ONNES, but it does show the company is pointed at markets where mass reduction and cryogenic handling are technically valuable rather than optional [The Indian Sun, November 2024] [Deccan Chronicle, March 2025].
The main demand driver in the cited research is straightforward. If composite cryogenic tanks can carry hydrogen or oxygen with lower mass and thinner walls than metallic alternatives, they can improve payload economics, vehicle design flexibility, or mission endurance in settings where weight is costly [The Indian Sun, November 2024]. Deccan Chronicle's March 2025 reporting also matters here because it links ONNES's work to hydrogen and oxygen storage designs advanced through the University of South Australia's Venture Catalyst Space program, which suggests the demand thesis is not limited to a single launch use case and may extend to in-space refuelling and longer-duration operations [Deccan Chronicle, March 2025].
The adjacent markets are almost as important as the core one. Crunchbase describes the company as designing and manufacturing cryogenic pressurized CFRP vessels for space, military, defense, and commercial industries, while another program profile says it is seeking partnerships across public and private space launch, electric aviation, and green hydrogen ground applications [Crunchbase] [Innovation & Collaboration Centre]. Those categories should be treated as directional rather than contracted end markets, but they matter because they expand the addressable design space beyond a single satellite or launch niche.
| Market lens | Publicly supported claim | Source |
|---|---|---|
| Core market | CFRP cryogenic fuel tanks for spacecraft and rockets | [The Indian Sun, November 2024] |
| Propellant focus | Hydrogen and oxygen storage for launch vehicles and in-space refuelling | [Deccan Chronicle, March 2025] |
| Adjacent aerospace and defense | Cryogenic pressurized vessels for space, military, defense, and commercial industries | [Crunchbase] |
| Adjacent terrestrial applications | Partnership interest in electric aviation and green hydrogen ground applications | [Innovation & Collaboration Centre] |
The evidence points to a company targeting a technically meaningful intersection of space infrastructure and hydrogen handling, but without public market sizing it is still a thesis about where demand should emerge, not proof of booked demand. For investors, that makes category timing and qualification cycles more important than headline market breadth.
Regulatory and macro forces are supportive in principle, though the public record here is still indirect. The cited articles place ONNES inside Australia-India space collaboration and accelerator infrastructure, which is relevant because deeptech hardware companies in propulsion and storage often depend on export controls, test access, certification pathways, and public-private procurement ecosystems as much as on pure product performance [The Indian Sun, November 2024] [Deccan Chronicle, March 2025]. At the same time, the lack of publicly verified customer deployments means any regulatory advantage is still contextual rather than monetized.
Partially corroborated -- Supported by two named-publisher articles for product-market direction, with adjacent market scope supplemented by company/profile databases rather than independent market reports.
Competition and Substitutes
MIXED
Onnes Cryogenics is positioned less as a general aerospace supplier than as a specialist bet on lightweight cryogenic storage, competing indirectly with broader photonics and nanofabrication firms in the provided peer set while trying to win on a narrow, mission-critical hardware problem: reducing mass in cryogenic tanks for space systems [The Indian Sun, November 2024] [Crunchbase].
| Company | Positioning | Stage / Funding | Notable Differentiator | Source |
|---|---|---|---|---|
| Onnes Cryogenics | Develops CFRP cryogenic fuel tanks and pressurized vessels for spacecraft, rockets, and adjacent aerospace and defense use cases | Undisclosed; last recorded funding-related event dated June 27, 2024 | Focus on lightweight composite cryogenic storage, including hydrogen and oxygen applications for launch vehicles and in-space refuelling | [The Indian Sun, November 2024] [Deccan Chronicle, March 2025] [Inc42, June 2024] [Crunchbase] |
| Aerotech | Named competitor in structured research; specific positioning was not established in the cited public materials reviewed for this section | Not established in reviewed public materials | Included in the company peer set, but the public record supplied here does not support a more specific feature-level comparison | [Structured Facts] |
| Raith | Named competitor in structured research; specific positioning was not established in the cited public materials reviewed for this section | Not established in reviewed public materials | Included in the company peer set, but the public record supplied here does not support a more specific feature-level comparison | [Structured Facts] |
| NIL Technology | Named competitor in structured research; specific positioning was not established in the cited public materials reviewed for this section | Not established in reviewed public materials | Included in the company peer set, but the public record supplied here does not support a more specific feature-level comparison | [Structured Facts] |
The table itself points to the first complication. Onnes is well described in public reporting, at least at the product-concept level, while the named competitor set supplied in the record is not substantiated with segment detail from the underlying sources. That makes the usable competitive map narrower than it looks: the evidence supports Onnes as a cryogenic composite tank developer for space and defense-adjacent applications, but it does not yet support a clean public comparison against Aerotech, Raith, or NIL Technology on price, certification status, customer base, or flight heritage [The Indian Sun, November 2024] [Deccan Chronicle, March 2025] [Crunchbase].
Within that constraint, the practical segmentation is still visible. Incumbents are conventional metallic tank and pressure-vessel approaches, which Onnes is explicitly trying to displace on mass and wall-thickness performance [The Indian Sun, November 2024]. Challengers are specialist composite-storage developers and aerospace hardware startups pursuing cryogenic hydrogen and oxygen handling, while adjacent substitutes include ground-based green hydrogen storage applications and electric aviation storage programs that may value similar materials engineering even if their certification paths differ materially from orbital systems [Innovation & Collaboration Centre].
Onnes's clearest edge today is technical focus paired with program access. Public coverage ties the company to CFRP cryogenic tanks rather than a broad platform story, and its participation in Venture Catalyst Space suggests some external validation and international ecosystem exposure, even if that is not the same thing as customer traction [The Indian Sun, November 2024] [Deccan Chronicle, March 2025]. That edge is real but perishable. In aerospace hardware, focus helps early, but durability usually comes later from test data, qualification milestones, manufacturing repeatability, and embedded customer programs, none of which are publicly established here.
The exposure is straightforward. A better-capitalized or already-qualified supplier could compress the window in which a specialist like Onnes can differentiate on design promise alone. That matters most if Aerotech, Raith, or NIL Technology are being treated by market participants as alternatives in procurement discussions, because Onnes has no publicly verified flight deployment, named customer, or disclosed funding base that would signal channel control or certification momentum [Inc42 company profile] [Indian Startup Times, July 2026]. The company also appears exposed outside its core wedge: defense, commercial, launch, and orbital logistics are mentioned as target surfaces, but the public record does not show that it owns any one of those channels yet [Crunchbase] [Onnes Aerospace website].
The most plausible 18-month scenario is a sorting event around proof, not branding. Winner if X: Onnes, if it can convert its composite cryogenic-storage work into a named development partnership or a qualification milestone with a launch or spacecraft customer, because that would turn a materials claim into procurement evidence [Deccan Chronicle, March 2025] [Inc42 company profile]. Loser if Y: Onnes, if the next 18 months produce continued program participation but no public customer validation, in which case a better-established alternative, potentially including one of the named peers if they already possess stronger manufacturing or qualification credibility, would likely hold the advantage by default rather than by superior narrative [The Indian Sun, November 2024] [Indian Startup Times, July 2026].
Reasoned from indirect evidence -- Core facts on Onnes are supported by named public sources, but the supplied competitor set is only weakly substantiated in the reviewed materials and several comparison points remain unverified.
Opportunity
PUBLIC
If execution holds, the prize is not a niche component supplier but a position inside the hardware stack that makes cryogenic hydrogen and oxygen practical for launch vehicles, in-space refuelling, and adjacent high-performance storage markets where every kilogram saved carries economic value [Deccan Chronicle, March 2025] [The Indian Sun, November 2024].
The largest plausible outcome is straightforward: Onnes becomes a specialist supplier of lightweight composite cryogenic tanks for South Asian and cross-border space programs that need lower-mass storage than conventional metallic vessels can offer [The Indian Sun, November 2024] [Crunchbase]. That is still an ambitious path, but it is not purely aspirational in the public record. The company is consistently described as building carbon-fibre-reinforced plastic cryogenic tanks and pressurized vessels, and two independent named-publisher reports tie the work specifically to hydrogen and oxygen storage, which is the harder and more valuable end of propellant storage rather than generic pressure-vessel fabrication [The Indian Sun, November 2024] [Deccan Chronicle, March 2025]. Participation in Venture Catalyst Space and the AWS Space Accelerator does not establish commercial adoption, but it does suggest the company has reached enough technical credibility to be selected into programs that matter for partnerships and technical validation [The Indian Sun, November 2024] [Inc42, June 2024].
A few distinct paths could produce outsized scale if technical validation converts into procurement.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Regional launch-systems supplier | Onnes wins qualification work with launch-vehicle or spacecraft manufacturers and becomes a recurring supplier of composite cryogenic tanks for Indian and allied programs | A development or qualification partnership with a launch company or government-linked space contractor | The company is already positioned around spacecraft and rocket fuel tanks, and public reporting ties its work to launch vehicles and in-space refuelling use cases [The Indian Sun, November 2024] [Deccan Chronicle, March 2025] |
| Orbital logistics enabler | Onnes develops storage systems suitable for in-space refuelling architectures and becomes part of the infrastructure layer for persistent orbital operations | A demonstrated need for lightweight cryogenic storage in orbital servicing or refuelling missions | The company website frames the mission around persistent orbital operations and lunar logistics, while independent reporting confirms work on hydrogen and oxygen storage solutions [Onnes Aerospace website] [Deccan Chronicle, March 2025] |
| Cross-sector cryogenic platform | The core tank technology expands from space into defence, military, commercial aerospace, green hydrogen, or electric aviation applications | A first non-space design win that proves the vessel architecture travels across end markets | Public sources describe the product as relevant to space, military, defense, and commercial sectors, and one program profile says the company is seeking partnerships in electric aviation and green hydrogen ground applications [Crunchbase] [Innovation & Collaboration Centre] |
The compounding mechanism here is technical and commercial rather than consumer-style network effects. A single validated tank design can lower customer adoption friction for adjacent vehicle classes, while each qualification cycle can create process know-how, test data, and manufacturing credibility that are hard for a younger rival to replicate quickly [Deccan Chronicle, March 2025] [Crunchbase]. If the company can show that CFRP tanks deliver lower mass and thinner walls without losing cryogenic performance, that evidence can travel from one procurement conversation to the next, especially in sectors where qualification is painful and incumbent substitution is slow [The Indian Sun, November 2024]. The early signs are narrow but real: the company has been selected into at least two ecosystem programs and has enough institutional structure to show an outside equity holder, CIIE Initiatives, in public cap-table reporting [Inc42, April 2025] [Inc42, June 2024].
The upper bound is best framed through category economics rather than a direct public-market comparable, because the record here does not support a clean revenue benchmark. If the regional launch-systems supplier scenario or the orbital-logistics enabler scenario plays out, the company could graduate from a bespoke hardware vendor into a strategic subsystem provider for cryogenic mobility in space, with additional upside if the same vessel architecture crosses into defense or hydrogen-adjacent terrestrial storage [Crunchbase] [Innovation & Collaboration Centre]. That would support venture-scale outcomes because the addressable buyer set includes spacecraft makers, launch-vehicle manufacturers, satellite operators, defence organizations, and commercial aerospace customers, all of which buy into high-value, low-volume hardware categories where qualification can anchor durable supplier relationships [Inc42] [Crunchbase]. Any valuation translation here should be treated as a scenario, not a forecast: the investable upside depends less on near-term headcount or disclosed financing, both limited in public records, and more on whether Onnes can convert its current technical posture into one or two reference-grade deployments that turn a promising materials claim into procurement reality [LinkedIn] [Inc42, June 2024].
Reasoned from indirect evidence -- Core product direction is corroborated by named-publisher coverage and company databases, but the material upside case still depends on company-positioning claims and unverified future commercialization steps.
Sources
Open sources
[PitchBook, 2026] Onnes Cryogenics 2026 Company Profile: Valuation, Funding & Investors | https://pitchbook.com/profiles/company/607672-54
[The Indian Sun, November 2024] Fuelled innovation: Hyderabad’s Onnes Cryogenics joins Australia’s space race | https://www.theindiansun.com.au/2024/11/21/fuelled-innovation-hyderabads-onnes-cryogenics-joins-australias-space-race/
[Deccan Chronicle, March 2025] Innovative ties between Hyderabad and South Australia showcased during Premier’s visit | https://www.deccanchronicle.com/education/innovative-ties-between-hyderabad-and-south-australia-showcased-during-premiers-visit-1869190
[Crunchbase] Onnes Cryogenics - Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/onnes-cryogenics
[LinkedIn] Onnes Cryogenics | LinkedIn | https://in.linkedin.com/company/onnes-cryogenics
[Inc42, June 2024] Onnes Cryogenics company profile | https://inc42.com/company/onnes-cryogenics/
[Inc42, April 2025] Onnes Cryogenics company profile | https://inc42.com/company/onnes-cryogenics/
[Zauba Corp] ONNES CRYOGENICS PRIVATE LIMITED | https://www.zaubacorp.com/ONNES-CRYOGENICS-PRIVATE-LIMITED-U29214TG2021PTC149230
[Onnes Aerospace website, retrieved 2026] Onnes Aerospace | Next-Generation Deep Space Infrastructure | https://onnes.in/
[Indian Startup Times, July 2026] Onnes Cryogenics: Startup Deep Dive Profile | https://www.indianstartuptimes.com/startup-deep-dive/onnes-cryogenics-deep-dive/
Articles about ONNES CRYOGENICS PRIVATE LIMITED
- Hyderabad's Onnes Cryogenics Joins Australia's Space Accelerator — The three-year-old deeptech startup is developing carbon-fiber cryogenic tanks, aiming to shave mass from launch vehicles and enable in-space operations.