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Minimize Waste,
Maximize ROI

You can't make informed decisions if you don't trust the accuracy of your underlying data. That's why data accuracy is our top priority.

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data hygiene and processing method

We ensure the most accurate data available by pooling up-to-date information from public and commercial sources, thus screening all of our data for inaccuracies using proprietary algorithms and powerful processing tools.

  • Voter/Consumer File Match
  • Email Verification
  • Active Landline or Cell Phone Number Verification
  • National Change of Address
  • Social Security Death Index Match
The results? Better intelligence. More effective communication and engagement. Less waste. Stronger return on investment.

Our data hygiene methods ensure you have the cleanest lists available.

We employ intensive human and automated checks prior to data being released

Proprietary and robust matching technology ensures the quality of each record
Vigorous research compares national data sources to identify and correct internal inconsistencies
Rigorous standardized formatting and corrections are applied to all records
Multiple fields are verified to confirm data accuracy

Our verification processes include:

Data Hygiene

  • National Change of Address (NCOA) processing
  • Duplicate record analysis and removal
  • Garbage record identification and cleaning
  • Name parsing and cleaning
  • Address history tracking for better matching & identification
  • Coding Accuracy Support System (CASS)
  • Locatable Address Correction (LACS) processing
  • Post CASS street name and address corrections
  • Social Security Administration Death Index Matching

Supplementary Data

  • Major and minor district processing and checking
  • Addition of missing gender codes
  • Email matching
  • Landline and cell phone matching from 10 national commercial sources
  • Geocoding with rooftop-level latitude and longitude
  • Commercial data for missing birth dates and apartment numbers
  • Commercial databases for hobby, interest and other consumer data
  • Census data conversions and application of American Community Survey Data

Custom Data Processing

L2’s custom processing and cleaning services are utilized by thousands of campaigns, PACs, associations, unions and corporations each year. Our processing involves both human and automated checks to ensure data is formatted correctly thereby producing the highest possible match rate and the most accurate data hygiene. L2 processing is broken into three areas:

  • Matching
  • Hygiene
  • Append

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