Headquarters
Cambridge, MAFounded
2013CEO / Founder
Nidhi AggarwalEmployees
201-500Products
1 product listedAvg. AI Score
6.9/10Website
tamr.com/Profile updated
Tamr, Inc. develops master data management software that uses machine learning to clean, unify, and enrich fragmented enterprise data. The company was founded in 2013 in Cambridge, Massachusetts, by Andy Palmer and Michael Stonebraker, a Turing Award-winning database researcher, growing out of earlier data-integration research at MIT.
The company's platform applies machine learning models and AI agents, combined with human review workflows, to match, merge, and standardize records across disparate enterprise systems, producing what it calls golden records for use cases such as customer data, supplier data, and product information management. Tamr has marketed its software to industries including financial services, life sciences, manufacturing, and the public sector, positioning its approach against traditional rules-based master data management tools from vendors such as Informatica and Reltio.
Tamr has raised more than $200 million in venture funding from investors including Google Ventures, New Enterprise Associates, ICONIQ Capital, MassMutual Ventures, and Hewlett Packard Enterprise, among others. The company has gone through several leadership transitions since its founding, with Nidhi Aggarwal named CEO in recent years after earlier stints by co-founder Andy Palmer and other executives.
Dated, source-cited figures. Estimates are marked.
All products by Tamr, Inc. reviewed by our AI panel of experts.
Six independent reviewer personalities assessed Tamr, Inc.'s product on their own terms. They disagreed by 3.2 points — The Finance Lead was the hardest to convince, The Domain Strategist the most positive.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who Tamr, Inc. competes with, and how they differ.
Informatica's MDM Cloud is now owned by Salesforce, which closed an $8B acquisition in November 2025; it leans on configurable matching rules and workflow engines, versus Tamr's ML-first entity resolution built to need less manual rule-tuning.
1 product reviewed on TopReviewedIBM's master data management line (formerly Match 360) ships inside Cloud Pak for Data/watsonx for enterprises already on IBM infrastructure, pairing pre-trained matching models with IBM's broader governance stack, versus Tamr's standalone cloud-native SaaS delivery.
1 product reviewed on TopReviewedAtaccama ONE bundles data quality, cataloging and MDM into one platform built around a data-quality-first pipeline that cleanses records before matching, and markets itself directly at enterprises displacing Informatica — a broader remit than Tamr's narrower entity-resolution and data-products focus.
1 product reviewed on TopReviewedSAP Master Data Governance is sold as a module inside the SAP S/4HANA landscape for customer, vendor and material data, tightly coupled to SAP's own ERP workflows, whereas Tamr is deployment-agnostic and markets itself against exactly this class of rules-based, workflow-heavy MDM.
Boomi Data Hub (renamed from Master Data Hub) is a newer, lower-code MDM layer bundled with Boomi's iPaaS/integration platform — Gartner named it a first-time Challenger in its 2026 MDM Magic Quadrant — competing on ease of setup rather than Tamr's ML-driven entity-resolution depth.
1 product reviewed on TopReviewedKey milestones in Tamr, Inc.'s history, with sources.
Reports FY26 results: direct SaaS revenue up 102% year over year
Tamr reported fiscal-year-2026 (ended Jan 31, 2026) direct SaaS revenue growth of 102% YoY, 97% gross revenue retention, 109% net revenue retention, and 49% SaaS customer-base growth.
prnewswire.comUnveils Curator Hub for agentic data curation
Tamr launched Curator Hub, a module pairing AI agents with human review to resolve the roughly 5% of data-mastering cases that require human judgment, available to all Tamr Cloud customers.
prnewswire.comLaunches Tamr RealTime for its AI-native MDM platform
Tamr introduced Tamr RealTime, adding real-time processing to its master-data-management platform for faster delivery of accurate, up-to-date "golden records."
prnewswire.comAnthony Deighton succeeds Andy Palmer as CEO
Tamr promoted Anthony Deighton, its data-products lead since joining in 2020, to Chief Executive Officer; co-founder Andy Palmer moved to the board as Executive Chairperson.
tamr.comAlteryx Ventures makes strategic investment in Tamr
Alteryx's venture arm invested in Tamr as part of a partnership around delivering data products through cloud data warehouses; the investment amount was not disclosed.
cioinfluence.comSeries B — $25.2M led by HP Ventures, Thomson Reuters, MassMutual Ventures
The round brought Tamr's total funding to $42.4 million, according to the company; new investors Hewlett Packard Ventures, Thomson Reuters and MassMutual Ventures joined existing backers NEA and Google Ventures.
techcrunch.comRaises $16M from Google Ventures and NEA
Tamr announced $16 million in funding from Google Ventures and New Enterprise Associates as it emerged from stealth at the DataBeat conference in San Francisco.
techcrunch.comFounded to commercialize MIT/QCRI 'Data Tamer' research
Tamr was founded by Michael Stonebraker and Andy Palmer, commercializing the "Data Tamer" data-curation system Stonebraker's group had developed with the Qatar Computing Research Institute.
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