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Guardian Due Diligence vs Rapid Diligence

Side by Side

Guardian Due Diligence and Rapid Diligence, attribute by attribute
AttributeGuardian Due DiligenceRapid Diligence
What It IsA quality-of-earnings boutique for searcher-sized deals, offering a full QoE, a QoE Light delivered in Excel without the report, Cash Proof, and an Advised QoE with founder hours, plus a Deal Closer's Society membership for part-time searchers and Guardian Grow, a post-close program priced with an equity earn-in. Founded in 2017 by Elliott Holland, with $600M+ in transactions and 1,500+ deals evaluated.A tech-enabled quality-of-earnings firm built for SMB buyers, with published pricing: full QoE from $16.5k, a lighter QoE from $11.2k, a $750 pre-LOI vetting report, a $1,097-per-month search advisory tier, and post-close bookkeeping and fractional-CFO services; the firm cites 250-plus deals reviewed across five years.
CategoryDiligence & Earnings ReviewDiligence & Earnings Review
Pricing ModelOne-TimeOne-Time
What It CostsPublishes exact tiers on its services page: QoE Light $20k, full QoE $25k, Advised QoE $40k, with the caveat that pricing is for deals under $2 million in purchase price and larger deals are slightly more. Deal Closer's Society runs $24k one time or $3k per month for up to 18 months; Guardian Grow is $1k per month plus a 1 to 5 percent equity earn-in on a 3 year vesting schedule.Published pricing (rapiddiligence.com, July 2026): QoE from $16.5k; QoE Lite from $11.2k; preliminary vetting report $750; search advisory $1,097 per month; bookkeeping from $549 per month; fractional CFO from $1,840 per month. Standard QoE turnaround 3 to 4 weeks with paid expediting.
Best ForSelf-funded searchers who want a QoE shop that lives in sub-$5M deals rather than a regional CPA firm fitting them inBuyers in the $1M to $20M range who want QoE pricing they can see before a sales call, plus a cheap pre-LOI screen ($750) that can kill a bad deal before diligence money burns
Where It FitsDiligence & Close the DealDiligence & Close the Deal
Our VerdictShortlist them for QoE on searcher-sized deals; with the tiers published, the first call is a scoping call rather than a pricing discovery.Get its quote alongside Guardian's on any standard deal; the published pricing keeps everyone honest, and the $750 pre-LOI screen is worth it on marginal targets regardless of who does your full QoE.
Pros
  • Specialization is the pitch: QoE for searcher-sized, often SBA-financed deals is the entire practice
  • Publishes exact engagement pricing, which most QoE shops still make you call for
  • Claims to find 85% of major deal-breaking issues within 7 days, materially faster than typical CPA-firm timelines
  • Genuinely published pricing across the whole service ladder, rare in QoE
  • The $750 pre-LOI vetting report is a useful screening product most firms do not offer
  • SMB-native: the firm reports a majority of its deals involve SBA 7(a) financing
Cons
  • The published tiers hold only under $2 million of purchase price; larger deals are quoted slightly more without saying how much
  • Marketing-forward brand (the founder styles himself 'King of QoE'); calibrate marketing claims against references
  • Testimonial-heavy public reputation; ask for recent client references on deals your size
  • Volume claims and deal statistics are the firm's own
  • A lighter, tech-enabled process is a fit question for messy books that need forensic depth
  • Post-close services create an incentive to stay in the relationship; evaluate each service on its own

Our take

Choose Guardian for pattern depth in searcher-sized deals and hands-on guidance through the whole diligence arc, quoted per deal.

Choose Rapid Diligence when published pricing matters: a $16.5k full QoE, an $11.2k lite tier, and a $750 pre-LOI screen you can buy before committing to anything. Collect both quotes either way.

Looking wider than these two: alternatives to Guardian Due Diligence, each with a line on when it is the better pick.