Weld

Data Analyst Platforms

Weld is a Danish data integration platform founded in 2021 that provides fully autonomous ETL pipelines for AI agents, analytics, and operational tools.

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Weld automates the extraction, transformation, and loading of data from over 300 sources into cloud data warehouses for analytics and AI applications.

Weld is a Danish data integration platform founded in 2021 that provides fully autonomous ETL pipelines for AI agents, analytics, and operational tools. The company offers over 300 prebuilt connectors to SaaS apps, ERPs, and databases, supporting incremental, full, and change data capture (CDC) replication into warehouses like Google BigQuery, Snowflake, Databricks, PostgreSQL, and Amazon Redshift. As of mid-2026, Weld claims a 4.8/5 rating on G2 from over 100 reviews and lists customers including Holafly, BabySam, Onomondo, VitaMoment, Flatpay, Dishoom, eComplete, Danish Endurance, Softr, Ooono, Medik8, Pasnormal, Femaleinvest, and Soat.

The company positions itself as a zero-maintenance solution for data teams, emphasizing automatic schema migrations and CDC conflict resolution. No specific funding rounds, revenue figures, or headcount are disclosed in the available research dossier. Weld operates in the competitive data integration market, facing established players like Fivetran and Airbyte.

The company's focus on AI agent data delivery reflects a growing niche, but its financial trajectory and market share remain unclear from public sources. The website highlights a 14-day free trial with no credit card required, suggesting a self-service go-to-market strategy.

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Who buys this

  • Data engineering teams needing automated ETL pipelines
  • AI/ML teams requiring fresh, reliable data for agent training and inference
  • Mid-market and enterprise companies with multi-source SaaS data stacks
  • E-commerce and retail businesses using platforms like Shopify and Amazon Selling Partner API
  • Marketing and sales teams integrating ad platforms and CRM data

Publicly disclosed clients

  • Holafly
  • BabySam
  • Onomondo
  • VitaMoment
  • Flatpay
  • Dishoom
  • Medik8

Strengths and what to watch

Strengths

  • Offers over 300 prebuilt connectors, including popular SaaS, database, and ad platform sources, reducing manual integration work.
  • Supports change data capture (CDC) for near-real-time replication from PostgreSQL, MySQL, SQL Server, and MongoDB.
  • High user satisfaction with a 4.8/5 G2 rating from over 100 reviews, indicating strong product-market fit among data teams.

Watch for

  • No disclosed funding rounds or revenue figures, making it difficult to assess financial health or growth trajectory.
  • Competes in a crowded market against well-funded rivals like Fivetran (raised over $800M) and Airbyte, which may limit market share.
  • Customer concentration risk: many listed clients appear to be European mid-market companies, with limited evidence of large enterprise or US adoption.

Key Information

Industry
Data Analyst Platforms
Founded
2021

Frequently Asked Questions

What is Weld and what does it do?

Weld is a Danish data integration platform founded in 2021 that automates ETL pipelines. It extracts data from over 300 sources and loads it into cloud data warehouses like Snowflake and BigQuery for analytics and AI applications.

How many connectors does Weld offer and which ones are available?

Weld offers over 300 prebuilt connectors to SaaS apps, ERPs, and databases. Examples include Shopify, Salesforce, HubSpot, Facebook Ads, Google Ads, PostgreSQL, and Amazon Selling Partner API, covering marketing, sales, and e-commerce data sources.

Does Weld support change data capture for real-time replication?

Yes, Weld supports change data capture (CDC) for near-real-time replication from PostgreSQL, MySQL, SQL Server, and MongoDB. This allows data teams to keep their warehouses updated with minimal latency without manual intervention.

What is Weld's G2 rating and what do customers say?

As of mid-2026, Weld has a 4.8 out of 5 rating on G2 from over 100 reviews. This high score indicates strong product-market fit among data teams, who appreciate its zero-maintenance ETL and automatic schema migrations.

Who are Weld's typical customers and what industries do they serve?

Weld serves mid-market and enterprise companies, especially in e-commerce and retail. Notable clients include Holafly, BabySam, Dishoom, and Medik8. The platform is used by data engineering and AI teams needing automated data pipelines.

How does Weld compare to competitors like Fivetran and Airbyte?

Weld competes with Fivetran and Airbyte in the data integration market. While Weld offers over 300 connectors and a 4.8 G2 rating, it has no disclosed funding and appears focused on European mid-market clients, unlike its well-funded rivals.

Sources

  1. weld.app — Product description, connector count (300+), destinations, G2 rating (4.8/5, 100+ reviews), customer logos, free trial details.
  2. weld.app — List of connectors including Shopify, Salesforce, QuickBooks, HubSpot, Monday.com, Facebook Ads, Google Ads, PostgreSQL, Airtable, Amazon Selling Partner API, Klaviyo, Google Analytics 4.
  3. weld.app — Change data capture (CDC) support for PostgreSQL, MySQL, SQL Server, and MongoDB.
  4. www.g2.com — G2 rating and review count (4.8/5, 100+ reviews) as referenced on the website.