Open source M&A tools for home services.
100 tools · open source · maintained by Main Street Wealth
Open source M&A tools for home services.
Valuation calculators, QoE checklists, deal-structure models, diligence packs, and AI agents. Built for lower middle-market deals in HVAC, plumbing, roofing, pest, landscaping, pool, and electrical. Pairs with the 20 live tools on mainstreetwealth.ai.
Browse every toolStart with EBITDAOr get a free valuation
Hub live18/100
Main-site tools20
Trades7
EBITDA calculator
Main Street Wealth
Revenue (LTM)
$6.4M
Net income
$620k
D&A
$180k
Interest
$95k
Taxes
$155k
Owner comp add-back
$220k
Adjusted EBITDA
$1,270,000
Margin: 19.8% · Multiple 6.5× → $8.3M range
Live
Exit readiness: 72
Published by Main Street Wealth
Axial Top 25 Firm1H 2026 & 2025Deals closed100+In-trade experience7+ yearsReviewed byJ.D., Columbia LL.M.
On mainstreetwealth.ai
20 tools on the main site, free.
Instant valuation, benchmarks, deal-structure modeling, and more. Pairs with the open source hub.
All free tools on mainstreetwealth.ai →
Business valuation calculatorInstant business valuation estimate from the main site.EBITDA benchmarkerBenchmark your EBITDA against the trade.SDE vs. EBITDAPick the right earnings metric for your deal size.Owner salary normalizerNormalize owner compensation to market before add-back.Recurring revenue analyzerMeasure recurring revenue and the premium it unlocks.Customer concentration analyzer80/20 risk check on revenue by customer.Employee dependency checkWorkforce concentration risk, named and quantified.Seasonal normalizerNormalize LTM earnings for seasonality and weather.Deal structure analyzerModel structure: cash, rollover, earnout, seller note.Transaction tax estimatorRough-cut tax model on sale proceeds.Buyer readiness scoreScore your business against what buyers actually want.Exit timeline plannerBuild a 12–36 month exit timeline with the right workstreams.Reputation scoreWhat your online reputation adds (or costs) at exit.Comparable salesComparable transactions, filtered to your trade and size.Competitor acquisitions trackerWho's buying what in your trade.Non-compete analyzerNon-compete scope and enforceability check.Equipment depreciationTrucks, equipment, and fixed-asset depreciation modeled.Route density analyzerRoute density and its effect on margins and multiples.Franchise analyzerWhat a franchise brand adds to (or costs) your valuation.
The catalog
Ten categories, one hub.
Every category maps to a stage of the deal. Pick your spot and dig in.
B.12 toolsValuationCalculators and models to size a business and defend a number.EBITDA calculatorSDE calculatorAdjusted EBITDA add-backs+9 moreC.10 toolsFinancial analysis & QoENormalize the financials, prove the earnings, and stress the quality.QoE checklistFinancials normalizerQuickBooks & Xero parser+7 moreD.10 toolsDeal structure & proceedsModel earnouts, seller notes, waterfalls, and net-of-everything proceeds.Earnout simulatorSeller note calculatorNet proceeds calculator+7 moreE.10 toolsSourcing & marketingBuild the buy-box, run outreach, and manage the pipeline.Buy-box builderBuyer matcherTarget screener+7 moreF.10 toolsDue diligenceRequest lists, data rooms, red-flag scanners, and operational checks.DD request listData room structureData room completeness+7 moreG.8 toolsLegal & closingNDAs, LOIs, disclosure schedules, and state-by-state references.NDA generatorLOI generatorLOI comparison+5 moreH.8 toolsExit readinessFor owners: score the gap, plan the pre-sale year, and plan the proceeds.Exit readiness scoreOwner dependenceValue gap analyzer+5 moreI.8 toolsData & benchmarksOpen datasets, APIs, and dashboards covering multiples and trade KPIs.Open multiples datasetTrade benchmarksPublic comps+5 moreJ.8 toolsAI & automationPrompt libraries, extraction pipelines, evals, and an MCP server for agents.Prompt libraryCIM drafterFinancials summarizer+5 moreK.6 toolsTrade-specific toolkitsHVAC, plumbing, roofing, pest, landscaping, pool, and electrical bundles.HVAC toolkitPlumbing toolkitRoofing toolkit+3 more
Where to start
Start here.
Quick to adopt, searched often, and the fastest path to a defensible valuation.
Valuation·#11LiveEBITDA calculatorReconstruct EBITDA from net income by adding back interest, taxes, depreciation, and amortization.Pre-saleOpen Valuation·#12LiveSDE calculatorCompute seller's discretionary earnings for owner-operated businesses, including an owner's compensation add-back.Pre-saleOpen Valuation·#13LiveAdjusted EBITDA add-backsBuild a defensible add-back schedule with a documentation checklist for each adjustment.Pre-saleOpen Valuation·#14LiveValuation multiples lookupLook up typical EBITDA multiples by trade and revenue band, with the sample size and the source.Pre-saleOpen Valuation·#22LiveRollover equity calculatorModel rollover equity: cash at close, retained equity, and the second-exit outcome.StructuringOpen Deal structure & proceeds·#35LiveNet proceeds calculatorWhat the seller actually keeps after taxes, broker fees, legal, and payoffs.StructuringOpen Exit readiness·#71LiveExit readiness scoreScore the business across financials, people, systems, and growth to see how sale-ready it is.Pre-saleOpen Exit readiness·#72LiveOwner dependenceScore owner dependence across sales, operations, finance, and relationships.Pre-saleOpen
By trade
Tools, benchmarks, and advisory by trade.
Each trade has its own economics. Jump to the hub toolkit or straight to the advisory page on mainstreetwealth.ai.
Electrical, garage door, and other →
HVAC
Rollover-friendly, PE-active. HVAC multiples compound with recurring maintenance plans.
Hub toolkitM&A advisoryBusiness broker
Plumbing
SBA-financeable at the bottom; family offices and PE roll-ups at the top.
Hub toolkitM&A advisoryBusiness broker
Roofing
Storm cycles and insurance mix drive add-back schedules and multiples.
Hub toolkitM&A advisoryBusiness broker
Pest control
Highest recurring-revenue mix in the trades. Attracts premium multiples.
Hub toolkitM&A advisoryBusiness broker
Landscaping
Maintenance vs. design-build mix changes multiple and buyer universe.
Hub toolkitM&A advisoryBusiness broker
Pool services
Seasonal, membership-driven. Route density and geography do the heavy lifting.
Hub toolkitM&A advisoryBusiness broker
Open datasets
Multiples, benchmarks, and comps you can actually cite.
Open data by trade and size, with sample sizes and sources. Pulled by hand first, then kept honest with community PRs. Cross-checked against the main-site comparable sales and competitor acquisitions tools.
Multiples datasetTrade benchmarksMCP server
HVAC median
5.6×
LTM EBITDA
Plumbing
5.1×
LTM EBITDA
Roofing
4.4×
LTM EBITDA
Pest control
7.2×
LTM EBITDA
Landscaping
5.3×
LTM EBITDA
Pool
4.9×
LTM EBITDA
Illustrative figures. Full dataset ships with sample size and source for every row.
Who maintains this
Named authors. Named reviewers. Dated reviews.
Every tool here ships with a byline and a review date. Here's who's behind it.
AB
Avaz Bokiev
Partner & CTO, Main Street Wealth
Partner and CTO at Main Street Wealth. Leads the firm's technology, product, and open source work.
RI
Sukhrobjon (Rob) Ismoilov
Founder & Principal, Main Street Wealth
Founder and Principal of Main Street Wealth. J.D., Columbia LL.M. in Corporate Finance, M&A and Restructuring.
Build in the open
Contribute a tool, dataset, or benchmark.
This hub is built in the open. Everything from calculators to the AI tooling takes PRs.
1Pick a good-first-issueEach tool page lists what's needed. Start with the ones tagged for new contributors.Learn more 2Open a PR against the hubOne tool, one PR. Keep the scope small. We'll review within a week.Learn more 3Ship it with your name on itContributors are credited on the tool page, in the changelog, and in the data license.Learn more
Get a real number
Need a defensible valuation for your business?
Share a few financials and we'll walk you through what a buyer would actually pay today, with context on how we got there.
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Not legal, tax, or financial advice. For a specific recommendation, talk to a licensed advisor.
- Honest range, grounded in trade benchmarks
- Walk-through of each add-back and multiple
- Clear next steps if you decide to go to market