40-60% duplicate reduction · 99.5% accuracy

Data Cleansing Services

Duplicate records, outdated contacts, and inconsistent formatting are degrading your data quality, and every report, campaign, and decision built on that data suffers. Acelerar’s data cleansing teams scrub your database clean so every record is accurate, unique, and standardized.

Database cleansing dashboard showing duplicate records being merged, formatting errors being corrected, and stale records being flagged
500+
Teams Deployed
99.5%
Accuracy SLA
70%
Avg Cost Savings
7-Day
Team Deployment
4.9 out of 5·from 120+ verified reviews
Clutch (4.9)Google (4.8)GoodFirms (5)

What does data cleansing include?

Data cleansing is the systematic process of detecting and correcting inaccurate, incomplete, duplicate, and improperly formatted records in a database. This includes deduplication (merging or removing duplicate records), standardization (normalizing formats for names, addresses, dates, and phone numbers), enrichment (filling gaps in incomplete records), validation (cross-checking data against authoritative sources), and purging (removing records that are no longer valid or useful). Dirty data costs businesses an average of $12.9 million per year according to Gartner. Every marketing campaign, sales report, and business decision is only as good as the data behind it.

The data management outsourcing market

Data management outsourcing is growing as businesses deal with increasing data volumes.

$245B+
India IT-BPM industry revenue
NASSCOM, 2024
5.8M+
IT professionals in India
NASSCOM, 2024
15-30%
Average cost savings from outsourcing
IAOP, 2023

Every type of data quality issue, resolved

Deduplication & record merging

Duplicate records inflate your database, distort analytics, and cause embarrassing double-outreach to the same contact. We identify duplicates using fuzzy matching across multiple fields (name, email, phone, address), then merge the best data from each duplicate into a single golden record. Typical projects reduce database size by 15-40% while preserving every unique data point.

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Duplicate detection interface showing matched records being merged into single golden records with best-data preservation

Standardization & formatting

"NY", "New York", "N.Y.", "new york" - same state, four formats. When your database lacks consistent formatting, segmentation breaks, filters fail, and reports become unreliable. We standardize names, addresses, dates, phone numbers, company names, and custom fields to a single canonical format. USPS-standard addresses, E.164 phone formats, ISO date standards, and title-case names - every field follows the rules.

See data verification services
Before and after comparison showing inconsistent address formats standardized to USPS format with proper abbreviations and ZIP codes

Stale record updates & purging

Contact data decays at 25-30% per year. People change jobs, companies relocate, email addresses expire. We identify stale records by cross-referencing against current databases, flag contacts that have moved or left companies, update records where new information is available, and purge entries that are no longer valid. The result is a database that reflects reality, not a snapshot from two years ago.

See data appending services
Database audit showing stale records flagged with last-verified dates and updated records with current information

The real cost of in-house data cleansing

A full-time data quality analyst in the US costs $40,000 to $52,000/year with benefits. With Acelerar, you get dedicated cleansing specialists for a fraction.

In-House Data Quality Analyst (US)

$45K/yr

per year / per person

Salary · Benefits · Data tools · QA management

Acelerar Data Cleansing

$14K/yr

per year / per person

Dedup-ready · Multi-source · 99%+ match accuracy

Why businesses outsource data cleansing to Acelerar

Reduce Duplicates by 40-60%

Fuzzy matching across name, email, phone, and address fields catches duplicates that exact-match tools miss. Merge rules preserve the most complete data from each duplicate pair.

Improve Campaign Deliverability

Clean data means fewer bounced emails, less returned mail, and higher connection rates on phone outreach. Clients see email deliverability jump from 85% to 97%+ after cleansing.

Reliable Analytics & Reporting

When every record follows the same format and contains accurate data, your dashboards, segments, and forecasts actually reflect reality. No more inflated contact counts or skewed geographic reports.

CRM & Platform Native Cleaning

We clean data directly inside Salesforce, HubSpot, Zoho, Microsoft Dynamics, and other CRMs. No export/import cycles that risk data loss. Changes are made in your live system with full audit trails.

70% Cost Savings

Hiring a data quality analyst in the US costs $55,000-$75,000/year. Acelerar delivers the same cleanup at 70% less, scoped per-project or as an ongoing monthly retainer.

One-Time or Ongoing

Need a one-time database scrub before a migration? Or ongoing monthly cleansing to keep data quality high? We offer both models. Most clients start with a one-time deep clean and transition to quarterly maintenance.

From dirty database to clean records in 4 steps

1

Audit

We profile your database: duplicate rates, formatting inconsistencies, missing fields, stale records. You get a data quality report with specific findings and recommendations.

2

Clean

Our team deduplicates, standardizes, validates, and enriches your records according to the agreed cleansing rules and quality thresholds.

3

Validate

Every cleansed record is reviewed against source data and quality rules. A before/after comparison report shows exactly what changed and why.

4

Deliver

Clean data returned in your format or applied directly to your CRM. Includes a quality summary: records processed, duplicates removed, fields standardized, issues resolved.

How dirty is your database?

Send us a sample of 1,000 records and we’ll run a free data quality audit - you’ll see your exact duplicate rate, formatting issues, and stale record count.

Get a Free Data Audit

We work with your data platforms

Our teams are trained on the platforms you already use.

What our data management clients say

The Acelerar team is a self-sustaining machine. They’ve become an extension of our own team.

We needed reliable, fast data entry at scale. Acelerar delivered consistent quality from day one, no ramp-up time needed.

Acelerar handled our entire catalog migration (50,000+ SKUs) without a single missed deadline.

Where data management outsourcing is heading

Data volumes are exploding, and outsourced data management teams are evolving with AI capabilities.

2025
$854.6B
Global BPO market size
Grand View Research, 2024
2030
$350B
Projected Indian IT-BPM industry revenue
NASSCOM, 2024
2030
59%
Of workers will need upskilling by 2030
World Economic Forum, 2023
ISO 27001 Certified
ISO 9001:2015
NDA for Every Team Member
Encrypted Data Transfer

Data Cleansing Services FAQs

One-time database cleansing projects typically range from $1,500-$10,000 depending on database size and complexity. Per-record pricing starts at $0.05-$0.20 for standard cleansing (deduplication, formatting, validation). Ongoing monthly cleansing retainers range from $1,000-$5,000/month. Contact us with your database size for an exact quote.
Data cleansing includes deduplication (identifying and merging duplicate records), standardization (normalizing formats for names, addresses, dates, phone numbers), validation (checking records against authoritative sources), enrichment (filling missing fields), correction (fixing typos and errors), and purging (removing invalid or obsolete records).
According to Gartner, poor data quality costs organizations an average of $12.9 million per year. IBM estimates that bad data costs the US economy $3.1 trillion annually. For individual businesses, dirty data inflates marketing costs by 15-25% through wasted outreach, reduces sales team productivity by 27%, and causes an estimated 40% of business initiatives to fail to achieve their targeted benefits.
AI tools can assist with basic formatting and pattern detection, but they cannot reliably verify data against external sources, handle complex deduplication with fuzzy matching, or make judgment calls on merge conflicts. AI also lacks access to USPS databases, carrier records, and business registries needed for validation. Professional data cleansing combines automated tools with trained human review for accuracy.
Data validation checks whether data meets specific rules or standards (like email syntax or phone format). Data cleansing is broader: it includes validation plus deduplication, standardization, enrichment, correction, and purging. Validation tells you a record has problems; cleansing fixes those problems.
A small database (under 10,000 records) can be cleansed in 3-5 business days. Medium databases (10,000-100,000 records) typically take 1-3 weeks. Large databases (100,000+ records) are delivered in phased batches over 3-6 weeks. Timeline depends on the number of fields, complexity of deduplication rules, and validation requirements.
Yes. We clean data directly inside Salesforce, HubSpot, Zoho, Microsoft Dynamics, Pipedrive, and other major CRMs. Our team works within your live system using staff-level access, so there are no risky export/import cycles. All changes are logged with audit trails for compliance.
We use fuzzy matching algorithms that compare across multiple fields (name, email, phone, address, company) to catch duplicates that exact-match tools miss. When duplicates are found, we apply merge rules to create a single "golden record" that preserves the most complete and recent data from each duplicate. You approve merge rules before we begin.
We fix duplicate records, inconsistent formatting (state abbreviations, date formats, phone number styles), missing or incomplete fields, outdated contact information, typos and data entry errors, invalid email addresses and phone numbers, improper capitalization, and misassigned categories or tags.
Both. We offer one-time deep-clean projects for database migrations, CRM implementations, or pre-campaign cleanup. We also offer ongoing monthly or quarterly cleansing retainers to maintain data quality over time. Most clients start with a one-time project and transition to ongoing maintenance once they see the improvement.

Your database needs a deep clean.

Get a free data quality audit showing your exact duplicate rate, formatting issues, and stale records.

No commitment required. We respond within 24 hours.