Offstream

What Offstream does

Offstream is a U.S.-based climate data and analytics company that sells an end-to-end software and managed-services platform for certifying and operating carbon removal projects. Founded in 2022 by CEO Varsha Ramesh Walsh (ex-Indigo Ag, Harvard Business School) and CTO Zach Janicki (ex-Repool, YC S21), the company is headquartered in Denver, Colorado and backed by Y Combinator, FundersClub, Collab Fund, and Ponderosa Ventures. Its platform combines three integrated modules — Dynamic Life Cycle Assessment (LCA) modeling, Carbon Credit Certification (PDD generation and registry submission), and Digital Monitoring, Reporting & Verification (dMRV) — supported by native bidirectional API connections to carbon registries including Isometric (live), Puro.earth, and Rainbow. The platform supports voluntary carbon market standards as well as GREET, 45Q, 45Z, and ISO 14040/14044 frameworks.

Offstream serves carbon removal project developers across five pathway verticals: biochar (its primary segment), BECCS, BiCRS, Direct Air Capture, and emerging CDR pathways such as enhanced rock weathering and ocean alkalinity enhancement. Customer engagements pair the SaaS platform with managed MRV services that include registry interpretation, LCA modeling, PDD writing, audit preparation, and methodology compliance — reducing reported internal time commitment to roughly 1-2 hours per week per project. Go-to-market is enterprise field sales driven by direct intro calls and amplified through industry events (Carbon Unbound, International Biomass Conference and Expo, SF Climate Week) and content marketing (dMRV Insider's Guide email course and blog). Disclosed customer outcomes include a 20% increase in credit value, up to 50% reduction in registry review time, first-offtake signed within 60 days at Terraton, and $150K-$300K/year in avoided headcount per anchor customer.

The revenue model combines annual SaaS subscriptions with bundled professional services under fixed-fee first-year Statements of Work. Pricing is not publicly disclosed and is negotiated per project, with managed services included alongside software access. As of the most recent data, Offstream serves 10+ clean tech developers with a team of 1-10 employees, has an international footprint spanning the US, Kenya, and India, and operates as a privately held Delaware C-corp.

Name

Offstream

Legal name

Offstream, Inc.

Website

https://useoffstream.com

Company type

Private

Founded year

2022

Operating status

Operating

Headcount range

1–10 employees

Short description

Offstream is a U.S.-based climate compliance SaaS platform that helps carbon removal project developers (biochar, BECCS, BiCRS, DAC, and emerging CDR pathways) design, certify, and operate projects via dynamic LCA modeling, registry-aligned certification workflows, and integrated dMRV with native registry API connections.

Ownership category

akta.pro rank

Product category

Carbon Credit Certification Software

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro industry

PRIMARYEUABACAK

Digital MRV & Traceability Platforms (dMRV, APIs, Data Pipelines, Tokenization Support)

Energy, Utilities & Environment/Carbon & Climate Solutions (Carbon Markets, Offsets, CCS/CCUS)/Carbon Credit Verification, Validation & MRV (VVBs, Auditing, Remote Sensing)

SECONDARYEUABACAI

Industrial & Energy MRV (Facilities, Renewables, Methane, Process Emissions)

Energy, Utilities & Environment/Carbon & Climate Solutions (Carbon Markets, Offsets, CCS/CCUS)/Carbon Credit Verification, Validation & MRV (VVBs, Auditing, Remote Sensing)

SECONDARYEUABAFAB

Biomass Carbon Removal & Storage (BECCS/Bioenergy with CO₂ Capture)

Energy, Utilities & Environment/Carbon & Climate Solutions (Carbon Markets, Offsets, CCS/CCUS)/Carbon Removal (DAC, BECCS, Biochar, Mineralization, Enhanced Weathering)

SECONDARYEUABAFAK

Carbon Removal Measurement, Monitoring & Verification (Removal MRV & Durability)

Energy, Utilities & Environment/Carbon & Climate Solutions (Carbon Markets, Offsets, CCS/CCUS)/Carbon Removal (DAC, BECCS, Biochar, Mineralization, Enhanced Weathering)

SECONDARYEUABAAAA

Carbon Registries & Issuance Platforms (Project/credit lifecycle, serials, issuance, retirement)

Energy, Utilities & Environment/Carbon & Climate Solutions (Carbon Markets, Offsets, CCS/CCUS)/Carbon Markets Infrastructure (Registries, Exchanges, Clearing & Settlement)

SECONDARYEUABACAC

Project Design Review (PDD/Methodology Applicability & Additionality Assessment)

Energy, Utilities & Environment/Carbon & Climate Solutions (Carbon Markets, Offsets, CCS/CCUS)/Carbon Credit Verification, Validation & MRV (VVBs, Auditing, Remote Sensing)

Keywords

• Carbon credit certification
• Carbon removal software
• Digital MRV platform
• Life cycle assessment
• Carbon compliance software

Headquarters

HQ city

Denver

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure

Revenue model

1. SaaS Platform Subscription: Offstream operates as a SaaS platform providing carbon credit certification software. The Terms of Service describes services provided 'in the form of its platform and Software As A Service (SaaS).' Pricing is subscription-based with fixed fees for the first year, subject to change with 30 days notice. Professional services are included in Statements of Work for implementation and certification support.
2. Professional Services: Managed MRV services including expert reviews, certification consultation, methodology interpretation, audit preparation, and implementation support. The company describes offering not just software but a 'carbon team built directly into the business' with registry fluency. Services include LCA modeling, PDD writing, MRV implementation, and expert compliance review before filing.

Pricing tiers

Go-to-market motion3 records

Distribution channels1 record

Marketing channels6 records

Core offering

Offstream is a SaaS platform that provides end-to-end carbon credit certification and digital Monitoring, Reporting & Verification (dMRV) software for carbon removal project developers. The platform integrates dynamic Life Cycle Assessment (LCA) modeling, Project Design Document (PDD) generation, and native registry API connectivity, paired with managed MRV services that include expert review, registry submission support, and ongoing audit-ready compliance across voluntary carbon market standards, GREET, 45Q, 45Z, and ISO 14040/14044.

Product overview

Offstream offers a unified end-to-end carbon compliance platform consisting of three core integrated products: Dynamic Life Cycle Assessment (LCA), Carbon Credit Certification, and Digital Monitoring, Reporting and Verification (dMRV). The platform also includes specialized solution verticals for specific carbon removal pathways (Biochar, BiCRS, BECCS, Direct Air Capture, and Emerging CDR), a dMRV Insider's Guide educational resource, and Carbon Registry API Integrations for bi-directional data sync with major registries. The three core products work together as a unified stack - the LCA provides carbon accounting and credit yield forecasting, the Certification module handles documentation and registry submissions, and dMRV enables ongoing monitoring and credit issuance. The platform is built for project developers to maximize revenue with faster time to market and consistent credit issuance.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Projects increase credit value by 20% through robust dMRV implementation and audit-ready reporting
• +4 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability2 records

Feature5 records

Partnerships

Three partnerships are on record, tiered core.

• IsometriccoreTechnology or IntegrationOffstream connects natively to Isometric registry through a maintained API. The connection reads project data and writes MRV submissions, credit issuance, and retirement back to the registry. This is one of seven official dMRV provider partnerships announced December 2024.
• Puro.earthcoreTechnology or IntegrationPuro.earth is a carbon registry for durable carbon removals. Offstream's integration with Puro.earth is coming soon, enabling similar bidirectional data flow for MRV submissions and credit issuance.
• RainbowcoreTechnology or IntegrationRainbow is a voluntary carbon market registry. Offstream's integration with Rainbow is listed as coming soon, expanding the platform's registry connectivity.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Carbonfuture: Carbonfuture operates a digital platform for certifying, tracking, and trading high-quality carbon removal credits with a focus on biochar, BECCS, and other engineered removal pathways. Like Offstream, it pairs registry-issued credits with digital MRV tooling for project developers, making it the closest direct competitor in the biochar and engineered CDR certification niche.
• Pachama: Pachama combines satellite-based remote sensing and MRV with a carbon credit marketplace, initially for nature-based solutions and increasingly for removal projects. It competes with Offstream on the dMRV/data layer for project developers and on the buyer side for verified removal credits.
• Sylvera: Sylvera provides independent ratings, monitoring, and MRV analytics for carbon credit projects across nature-based and engineered removals. Its buyer- and project-side MRV tooling overlaps with Offstream's certification and ongoing monitoring offerings, especially for developers needing audit-ready evidence.

Emerging players

• Renoster: Renoster builds satellite- and sensor-based MRV systems for nature-based carbon projects, focused on forest and land-based credits. While narrower today than Offstream's engineered-removal focus, it is an emerging dMRV platform addressing the same developer pain points of audit-readiness and registry submission.
• Patch: Patch is a carbon credit API and marketplace focused on embedding verified credits into corporate products and services. While buyer-side rather than developer-side today, it increasingly touches MRV and quality assurance, putting it in adjacent competition with Offstream on the buyer-facing data layer.
• BeZero: BeZero provides independent ratings and risk analytics for the voluntary carbon market, including engineered removal pathways. Its analytical overlay on credit quality overlaps with parts of Offstream's ongoing monitoring and audit-ready positioning, particularly for buyers evaluating removal credits.

Broad incumbents

• Isometric: Isometric is a carbon removal registry and an Offstream integration partner. As the registry that Offstream writes data into, Isometric is both a critical channel partner and a potential competitive platform if it expands its own dMRV tooling or offers native certification support to project developers.
• Puro.earth: Puro.earth is a leading registry for durable carbon removal credits (biochar, BECCS, DAC, mineralization). Offstream's announced integration positions Puro.earth as a partner, but Puro also directly serves removal developers with certification services, making it a partial incumbent competitor in the certification layer.
• Verra: Verra operates the VCS Program, one of the largest voluntary carbon market standards and registries. Its methodologies, audit frameworks, and registry rules define the compliance environment that Offstream's platform navigates, and its evolving integrity standards directly shape Offstream's product roadmap.
• Watershed: Watershed is a corporate climate platform that combines carbon accounting, MRV, and credit procurement for enterprises. While primarily enterprise/buyer-side, its expanding MRV capabilities and removal offering put it in adjacent competition with Offstream for project-level documentation and audit-readiness.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/OffstreamIO
• LinkedInlinkedin.com/company/useoffstream

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds2 records

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Offstream