Lower middle market buyer roundup
Lower middle market deal sourcing firms, ranked.
The lower middle market deal sourcing firms worth calling in 2026 are not the ones with the longest client logo wall, they are the ones that will actually run outreach on a $5 million to $50 million revenue target instead of quietly routing your mandate to a generalist team built for $200 million platforms. We publish this list and DealSource Systems is our own service, so it is ranked first; the other five are ranked on fit for this deal size, not on who we like. Every claim about another firm below comes from that firm's own live website, read in this run, and is linked as the source.
Which lower middle market deal sourcing firms actually specialise at this size
Three of the six firms compared here, TruSight, SourceCo and Konverrt, name the lower middle market explicitly on their own sites as the segment they build for, not a size band they happen to also cover. CT Acquisitions states a $1 million to $50 million revenue focus without using the phrase, which is the same segment in practice. CapTarget serves this size among many others but does not lead with it. That distinction matters more here than at $200 million and up: an owner running a $15 million revenue business answers a different call than a CFO at a $150 million platform, and a firm built around institutional-scale processes will treat a lower middle market mandate as an afterthought.
Quick comparison
| Provider | Location | Best for | Starting price |
|---|---|---|---|
| DealSource Systems | Remote, US-based (Danish Lead Co.) | PE firms, independent sponsors and boutique advisors running a thesis-driven lower middle market programme | $4,000/month flat, published in full |
| TruSight | Not published | Family offices and PE funds wanting subscription-based lower middle market coverage plus broker deal flow | Not published |
| SourceCo | Not published | PE, corp dev, search funds and family offices wanting AI-assisted sourcing on $2M-$200M deals | No cost to founders; buyer pricing not published |
| Konverrt | Not published | Lower middle market PE firms and M&A advisory boutiques wanting no invoice until meetings land | A few thousand dollars a month once qualified meetings land |
| CT Acquisitions | Sheridan, Wyoming | Buyers wanting success-fee-only sourcing on $1M-$50M revenue targets, no retainer | Contact for pricing (buyer pays at close) |
| CapTarget | San Diego, California | Institutional buyers wanting broad multi-sector coverage rather than lower middle market specialisation | Contact for pricing |
How we chose this list
We only considered firms that run actual owner outreach for buy-side mandates, not databases that hand you a list and leave the calling to you. Every firm below states clearly, on its own site, that it works buy-side origination for private equity, independent sponsors, family offices or M&A advisors, and we checked each one for whether the lower middle market is a stated focus or a size band it happens to also serve.
DealSource Systems
Best for: PE firms, independent sponsors and boutique investment banks that want one system running a defined lower middle market thesis, not a one-off list pull sized for a bigger platform.
DealSource Systems runs AI-assisted deal origination: 16+ data sources, 0-100 thesis-fit scoring, trigger detection and outreach that is agentic but checked by a human operator, described in full on how it works. Pricing is a flat $4,000 a month with a 90-day minimum and no success fee, published against the market range of $5,000 to $25,000 a month that most of the firms below keep private. Read the fuller playbook on lower middle market deal sourcing for how the outreach itself is built at this size.
TruSight
Best for: family offices and PE funds who want a subscription model plus a feed of intermediary-sourced deals alongside direct outreach.
TruSight runs subscription-based deal sourcing built around retained buy-side search and intermediary coverage, drawing on 13,000-plus broker contacts alongside its own outreach, and states plainly that it focuses on the lower middle market for professional investors, private equity funds and family office investors. Client logos on its site include Blackstone, Alpine and Jordan Company alongside smaller mid-market funds. Pricing is not published.
SourceCo
Best for: PE, corporate development teams, search funds and family offices who want an AI-driven platform layered on outreach, without a fee to the seller.
SourceCo positions itself as an off-market sourcing and matching platform using AI and proprietary data, stating a focus on $2 million to $200 million valuations with an emphasis on add-on acquisitions, which sits squarely in the lower middle market. Founders pay nothing; SourceCo is compensated by the buyer. The firm also recently acquired CapTarget (below), so the two now share ownership even though both brands stay live. Buyer-side pricing is not published, though the site references thesis-driven retainer arrangements.
Konverrt
Best for: lower middle market PE firms and M&A advisory boutiques who want qualified meetings before the invoice starts.
Konverrt builds a deal origination engine explicitly aimed at "lower-middle-market M&A advisors and PE firms," with mandates ranging from $1 million to over $100 million in revenue depending on the client, and a headline model of no invoice until the first two qualified meetings land. Past that pilot, engagements typically run a few thousand dollars a month scaled to the sending programme, with no per-meeting billing.
CT Acquisitions
Best for: buyers who want a success-fee model with no retainer, on smaller lower middle market targets.
CT Acquisitions runs confidential, buyer-pays-at-close sourcing out of Sheridan, Wyoming, working with private equity firms, family offices, search funds and strategic acquirers across founder-owned businesses typically between $1 million and $50 million in revenue. There is no retainer and no fee to the seller; the buyer pays only once a deal closes, which suits a single opportunistic search better than a standing programme.
CapTarget
Best for: institutional buyers who want broad market coverage across many sectors and sizes rather than a lower middle market specialist.
CapTarget is based in San Diego and has served over 1,500 clients since 2009 across private equity, corporate development, family offices, independent sponsors and search funds. Its site does not specify a deal-size focus, and its client roster points to broad institutional coverage rather than a lower middle market lean specifically. It was recently acquired by SourceCo, so treat the two as related rather than fully independent options. Pricing is not published.
How do these lower middle market deal sourcing firms differ in pricing model
They split into three groups: success-fee-only (CT Acquisitions, and SourceCo on the seller side), where you pay nothing until a deal closes but wait on an unpredictable timeline; retainer or subscription (DealSource Systems, TruSight, Konverrt), where you pay a recurring fee for a standing pipeline; and broad institutional coverage priced case by case (CapTarget). A single opportunistic add-on search at this size usually fits a success-fee firm better; a standing thesis across a defined lower middle market category fits a retainer, the same logic covered in deal origination pricing: retainer vs success fee.
How to choose between these lower middle market deal sourcing firms
- 1. Start with whether the firm has actually named this size band. TruSight, SourceCo and Konverrt all state the lower middle market as a focus; CapTarget is a generalist that will tell you it can cover it, which is a different claim.
- 2. Check the pricing model against your deal size and timeline. Success-fee-only firms make sense when you have time and no urgency; a flat monthly retainer like ours makes sense when you want a predictable, always-on pipeline instead of waiting on a contingent close.
- 3. Ask how outreach actually happens at this scale. A $15 million revenue owner does not respond the same way an intermediary-represented $150 million platform does; ask any firm on this list for a sample sequence built for owner-operators, not institutional sellers.
- 4. Confirm who owns the conversation once it starts. Some of these firms hand you a warm intro and step back; DealSource Systems keeps operators checking every message before it sends, per how it works.
- 5. Weigh a build-versus-buy decision alongside the vendor choice. If you are still deciding whether to run this in-house at all, read outsourced deal origination vs in-house before you shortlist a vendor.
What does a lower middle market origination programme actually deliver
We do not have a lower middle market case study broken out separately, but the same origination engine delivered 14 owner conversations in three weeks and 133 within 90 days for a healthcare investment bank client working this size band, detailed on our results page. The mechanics, thesis scoring, trigger detection, agentic outreach checked by an operator, are size-agnostic; only the target list and messaging change for a $10 million versus a $150 million owner.
Frequently asked questions
What counts as the lower middle market for deal sourcing purposes?
Most firms on this list and most industry usage put the lower middle market at roughly $5 million to $50 million in annual revenue or up to about $25 million in EBITDA, below mid-market platforms and well below large-cap private equity targets. See lower middle market vs middle market sourcing for where the line actually falls.
Should an independent sponsor use a different firm than a PE fund at this size?
The outreach mechanics are the same, but an independent sponsor typically has a narrower mandate and less patience for a long success-fee timeline, so a firm like Konverrt or DealSource Systems that structures cost around a pilot or a flat retainer tends to fit better than a pure contingent model.
Is a success-fee model better than a retainer for a lower middle market search?
A success-fee firm makes sense for a single, opportunistic search where you can absorb an unpredictable timeline; a retainer or subscription firm makes sense when you are running a standing thesis across a category and want a pipeline that keeps producing owner conversations every month, not just when a deal happens to close.
Does CapTarget being acquired by SourceCo change which one to hire?
It means the two now share ownership, so treat them as related rather than fully independent options; ask both directly whether service delivery, staffing or pricing has changed since the acquisition before assuming continuity.
How is lower middle market deal sourcing different from mid-market or large-cap sourcing?
Owners at this size rarely have a CFO fielding calls, are less likely to already be in a formal process, and respond to a different tone of outreach than an intermediary-represented seller does; a firm built for institutional-scale deals does not automatically translate down to this size.
What does DealSource Systems charge compared to the other firms on this list?
DealSource Systems publishes a flat $4,000 a month with a 90-day minimum and no success fee, detailed here, against a market range of $5,000 to $25,000 a month; none of the other five firms in this comparison publish pricing on their own sites.
How do I verify a firm's lower middle market claims before hiring them?
Read the firm's own site for language specific to this size band rather than a size range buried among many others it lists, ask for two or three anonymised examples of owners it has actually reached at your target revenue, and confirm the pricing model matches your timeline before you sign anything, the approach covered in deal origination partner questions to ask.
Conclusion
Six names is a shortlist, not a directory: TruSight, SourceCo and Konverrt for firms that state the lower middle market as a focus, CT Acquisitions for a success-fee option on smaller revenue targets, CapTarget for broad institutional coverage, and DealSource Systems for a thesis-driven, transparently priced programme built specifically around this size band. Verify each firm's own claims against its own site before you sign anything, the same way we verified the five above before ranking them.