Avoiding Duplicate Enrichment with Ocean.io Lookalikes

Georgios K. · 2025-12-09T15:42:39.582Z

When searching for compay lookalikes with Ocean.io (http://Ocean.io), how can I make sure to not enrich the same companies from other tables?

Avoiding Duplicate Enrichment with Ocean.io Lookalikes | Clay

Clay Support
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Use the "Domains to Exclude" field in Ocean.io's lookalike search to prevent duplicates. [1] Simply specify any domains to exclude from the results, separated by commas. [2]
You can also use Lookup columns to pull existing data from other tables, avoiding duplicate enrichments entirely. [3] This saves credits by checking if the data already exists before running new enrichments. [4]
Clay Support
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Is that what you were looking for?
Georgios K.
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So I should enter every domain? Thats time consuming
Clay Support
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No need to enter every domain manually! Use our Enhanced Table Exclusions feature instead: [1]
• Go to "Add Table" > "Find Companies"
• Use the "Exclude" section to select an existing table as exclusion source
• Choose matching criteria like domain
• Results automatically exclude matches from your reference table
You can also use Lookup columns to check if companies already exist in other tables before enriching, saving credits by avoiding duplicates.
Clay Support
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Is that what you were looking for?
Clay Support
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If you need any more help with avoiding duplicate enrichments or using the exclusion features, I’m here to assist. Would you like to share more about what you’re trying to achieve or any specific challenges you’re facing?
Georgios K.
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where is this Use the "Exclude" section to select an existing table as exclusion source
Clay Support
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The "Exclude" section is in the Find Companies setup flow:
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Go to "Add Table" > select "Find Companies"
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Look for the "Exclude companies" field in the configuration options
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Select a Clay table with companies to exclude from your search [1]
You can exclude up to 3 different sets of companies using Clay tables, CSVs, or manual lists (up to 300,000 companies total). [2]
Clay Support
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Was that helpful?
Georgios K.
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I mean with Ocean.io
Clay Support
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For Ocean.io specifically, use the "Domains to Exclude" field in the lookalike search setup. [1] Just enter the domains you want to exclude, separated by commas. [2]
This works for both "Find lookalike companies" and "Find lookalike people" actions with Ocean.io. [3]
Unfortunately, Ocean.io doesn't have the same table-based exclusion feature that our Find Companies source has - it only supports manual domain entry.
Clay Support
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Was that helpful?
Georgios K.
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Thats what I meant! Do I have to insert every domain step by step?
Georgios K.
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Its 1000 domains
Clay Support
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That's frustrating with 1000 domains! Unfortunately, Ocean.io's "Domains to Exclude" field only accepts manual entry - you'd need to paste all domains separated by commas. [1]
For bulk exclusions like this, consider using our Find Companies source instead, which has Enhanced Table Exclusions that let you exclude entire tables automatically. [2]

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