Data Marketers Group vs Lusha: Two Very Different Tools Compared
This comparison is really a category mismatch - a list broker versus a SaaS platform. It's like comparing a catering company to a grocery store. Both get you food, but the model, freshness, and control are completely different.
B2B contact data decays roughly 2-3% per month, which means nearly a quarter of any database goes stale by year's end. How you source that data matters more than most teams realize, and these two tools couldn't be more different in their approach.
30-Second Verdict
Pick Data Marketers Group if you need a one-time bulk list purchase and you're willing to verify every contact before sending.
Pick Lusha for self-serve, real-time lookups with a Chrome extension and CRM integrations.
Head-to-Head Comparison
| Criteria | DMG | Lusha | Prospeo |
|---|---|---|---|
| Model | List broker (quotes) | Self-serve SaaS | Self-serve SaaS |
| Pricing | Quote-based; typically ~$0.05-$0.30/contact | Free; $49.90-$399/user/mo; Scale is custom | Free; ~$0.01/email |
| Database size | 125M contacts (claimed) | Not public | 300M+ profiles |
| Email accuracy | 72% avg deliverability on homepage; "90%" on a product page | ~22-28% bounce rates in practitioner tests | 98% verified |
| Data refresh | Every 30 days (claimed) | Not disclosed | Every 7 days |
| Reviews | ~3 Yelp reviews at 3.3/5 | 1,619+ G2 reviews at 4.3/5 | 15,000+ companies |
| Self-serve | No - quote required | Yes | Yes |
| Compliance | - | GDPR, CCPA | GDPR compliant |
| Best for | Bulk list buyers | Light prospecting | Volume + accuracy |

What Is Data Marketers Group?
Data Marketers Group is a list broker. You describe your ICP, they send a quote, you get a CSV. They advertise 125M contacts and 44M top decision makers across 57 industry sectors. Software directories sometimes group DMG alongside SaaS tools like ZoomInfo and UpLead, but DMG operates as a traditional list broker - no self-serve platform, no Chrome extension, no CRM sync.

The credibility issues stack up fast. Their homepage advertises an average 72% deliverability rate, while a specific product page claims 90% (misspelled as "Delivary Rate"). Two different numbers from the same company, neither independently verified. That alone should give you pause.
DMG's own firmographics are a mystery. ZoomInfo estimates 501-1,000 employees and $43.5M in revenue. Growjo pegs them at 13 employees and $1.9M. That's not a rounding error - it's a red flag.
They also have an unusually thin review footprint for a data provider. Slashdot comparison pages show DMG with zero ratings and no user reviews, and the only star rating we found is on Yelp: 3 reviews averaging 3.3/5. In our experience, any list-broker data needs a verification pass before it touches your outbound. With DMG, that's not optional - it's survival.

DMG delivers 72% deliverability. Lusha bounces 22-28% of emails. Prospeo's 5-step verification hits 98% accuracy on 300M+ profiles - refreshed every 7 days, not 30. At $0.01/email, you stop paying for dead contacts.
Stop scrubbing CSVs and rationing credits. Get data that actually connects.
What Is Lusha?
Lusha is a self-serve prospecting tool built around a Chrome extension and credit-based pricing. With 1,619+ G2 reviews at 4.3/5, it's in a completely different credibility tier than DMG. What works well:
- Chrome extension handles one-off lookups on professional profiles smoothly
- Free plan gives up to 70 credits/month to test the product
- CRM integrations with Salesforce and HubSpot out of the box

Where it falls short:
- Credit math is brutal: 1 credit per email, 10 per phone - so 70 free credits get you 70 emails or just 7 phone numbers
- The consensus on r/sales is that bounce rates land around 22-28%, and credits run dry mid-month even on paid plans
- The HubSpot integration can override deal ownership when merging contacts, forcing manual cleanup
- Paid plans still cap you by credits ($49.90/month for 400 credits, $69.90/month for 600, higher tiers increase the cap but keep you in the same credit economy)
Here's the thing: Lusha is fine for light prospecting. But if your team looks up more than a dozen phone numbers a week, you'll spend more time managing credits than actually selling. The credit model becomes a tax on productivity.
When to Pick Each
Choose DMG if you need a one-time bulk list for a specific campaign, have a separate verification tool ready, and understand you're buying a snapshot - not a living database.

Choose Lusha for real-time lookups in your daily workflow with CRM-connected data. Just budget for credit overages, because they will happen.
If neither of those descriptions fits your team - and for most outbound-heavy teams, they won't - keep reading.
Why Neither Is Ideal for Most Teams

Neither a list broker nor a credit-gated tool solves the core problem: you need accurate data at volume without babysitting credits or scrubbing CSVs. We've watched teams burn through Lusha credits by Thursday and then scramble to verify DMG lists that arrive 30% dead on arrival.
Prospeo takes a different approach with 300M+ profiles and 98% email accuracy backed by a proprietary 5-step verification process. The database refreshes every 7 days, compared to DMG's 30-day cycle and Lusha's undisclosed schedule. You get 30+ search filters including buyer intent powered by Bombora, technographics, job change signals, and headcount growth data. Native integrations cover Salesforce, HubSpot, Lemlist, Instantly, and Clay.
Pricing sits at ~$0.01/email with a free tier - no contracts, no sales calls. Real results: Snyk cut bounce rates from 35-40% to under 5% after switching, while GreyScout saw pipeline jump 140%. When your data provider charges you per lookup and a quarter of those lookups bounce, the math stops working fast.

Snyk's 50 AEs dropped bounce rates from 35-40% to under 5% after switching. No quote requests, no credit caps draining mid-month - just 300M+ verified profiles with 30+ filters, buyer intent, and native CRM integrations.
Outbound at volume without babysitting your data provider.
FAQ
Is Data Marketers Group legit?
DMG has operated since 2010 and advertises 125M+ contacts, but it has a very thin third-party review footprint and wildly conflicting size estimates (13 employees vs. 1,000). Verify any purchased list with a dedicated email verification tool before sending - expect 25-30% of contacts to be unusable.
How fast do Lusha credits run out?
The free plan's 70 credits cover 70 emails or just 7 phone numbers (10 credits each). Reddit users on paid plans consistently report running dry mid-month, especially teams doing phone-heavy outreach. Budget for at least one tier above what you think you need.
What's a better alternative to both?
Prospeo offers 300M+ profiles at 98% email accuracy for ~$0.01/email, with a free tier of 75 verified emails per month. Unlike DMG, it's fully self-serve with a Chrome extension used by 40,000+ people. Unlike Lusha, its 7-day data refresh cycle and 5-step verification keep bounce rates under 5% for most teams.
Is DMG or Lusha better for B2B prospecting?
Different tools for different jobs. DMG is a one-time list purchase with no platform access; Lusha is ongoing self-serve prospecting with credit caps. For teams that need both volume and accuracy without the tradeoffs of either model, a verified-data platform with transparent pricing will outperform both.
