The service technician pulls up to the building at 6:45 in the morning, before the office staff arrives, before the parking lot fills. He does this four times a year. Has for nine years. He knows the boiler system in this building the way most people know their own living rooms: which valves stick, which sensors read slightly warm, which zone has always run a little loud in January. The building manager doesn’t call anyone else. Neither does the one two blocks over, or the three-building portfolio the same company owns across town.
This is what a recurring revenue business actually looks like. It isn’t a software subscription. It isn’t an annual retainer agreement with a consulting firm. It is a service company that has built, through competence and repetition, the kind of relationship that renewing is always easier than replacing. The building manager doesn’t think of herself as a subscriber. She doesn’t think about it at all. She just knows someone will show up.
That invisibility is the asset. And in today’s M&A market for industrial and B2B services companies, the gap between businesses that have built it and businesses that haven’t is one of the largest valuation spreads in the entire lower middle market.
HarborWind Partners acquires industrial and B2B services businesses with $2M–$10M in EBITDA. The work we do after closing is built around one central idea: technology captures what your best people know and makes it repeatable, permanent, and scalable. Route optimization. Workforce scheduling. CRM infrastructure that turns one-time project customers into maintenance contract customers. The field technician who has been improvising solutions for 18 years doesn’t disappear. Their judgment gets encoded into a system that makes every technician that good. They move on to the work that requires creativity. The routine gets handled by tools that don’t forget and don’t leave.
We hold for the long term, because the compounding value of a well-run services business takes time to realize. That philosophy shapes how we read a company when we look at it, and it shapes how we think about the market these businesses are transacting in right now.
Here is what that market actually looks like.
The headline numbers from 2025 are somewhat misleading, and understanding why matters for anyone thinking about a transaction.
GF Data’s 2025 report put the lower middle market average at 7.2x EBITDA. In the sub-$50M deal tier, the range ran from 6.0x to 8.0x. Those numbers sound stable. They are not the full story.
Deal volume in the services sector fell 23% from 2024 levels and sits 41% below the 2021 peak. That compression is real. At the same time, Axial’s State of the Lower Middle Market survey found that 70.5% of active dealmakers are optimistic heading into 2026, and Capstone Partners’ data shows that private equity buyers actually increased their EV/revenue multiples from 1.3x to 2.1x over the same period. PE firms shifted toward revenue-based pricing for growth assets even as deal counts fell.
Strategic acquirers moved in the opposite direction. Their EV/EBITDA multiples dropped from 8.2x to 7.0x. That compression looks alarming until you understand what drove it: strategic buyers were more selective, which means they transacted fewer of the asset-light, high-quality businesses that pull averages up and more of the second-tier assets that pull averages down. The businesses that strategic buyers actually wanted to own badly enough to pay for cleared at the same prices they always have.
The useful frame for a services business owner is not the average. It is the spread. And the spread in this market, driven by revenue quality, customer concentration, technology posture, and the presence of PE roll-up demand, is wider than it has been in years.
Independent sponsors represent the number-one buyer type in lower middle market M&A at 27% of deal volume according to Axial. They are faster-moving than traditional PE, more flexible on structure, and they frequently bring operating expertise alongside capital. A services business owner who runs a sale process targeting only strategic acquirers or only traditional PE firms has, without realizing it, made a decision to reduce the competitive tension in their deal.
The recurring revenue premium in services is the single biggest multiple lever most owners aren’t pulling.
Consider a specific comparison in HVAC services. A project-heavy operator, doing commercial installations, one-time system replacements, construction subcontracts, typically trades in the 3x–8x EBITDA range. A business that has converted a meaningful share of its revenue base to recurring maintenance contracts, automated scheduling, and multi-year service agreements trades in the mid-teens. Same industry. Same geography. Potentially the same EBITDA number. The gap is five to eight turns of multiple driven entirely by revenue quality.
That is not a marginal difference. On a business generating $3M of EBITDA, the difference between 6x and 13x is $21M of enterprise value. For the same earnings.
The mechanism is technology. IoT-enabled monitoring that generates automatic service dispatch when a system triggers an alert. Automated contract renewal workflows that never let a maintenance agreement lapse without a human touchpoint. CRM infrastructure that tracks every customer, every asset they own, every service history, every contract term. Field service management software that gives technicians digital work orders, captures completion data, and creates an audit trail that project-based operators simply don’t have.
None of this replaces the technician who has learned the building. It gives that technician a system that makes the next technician just as reliable. It makes the customer relationship institutional rather than personal. When the 30-year employee eventually retires, the contract doesn’t retire with them.
Buyers price this. First Page Sage’s HVAC sector data and Harris Williams’ services sector coverage both document the premium consistently. This is not a soft thesis about strategic value. It is a quantifiable spread observable in closed transactions.
The owners who haven’t pulled this lever are sitting on a multiple expansion opportunity that costs far less to execute than the value it creates.
A testing, inspection, and certification company with $5M of EBITDA sells for $58M. A commercial janitorial company with $5M of EBITDA sells for $18M. Same earnings. Same lower middle market. Different worlds.
Testing, inspection, and certification trades at 11.6x EBITDA according to Aventis Advisors, First Page Sage, and Capstone Partners. Commercial janitorial trades at 3.4x. The 3.2x multiple difference on equal earnings represents $40M of enterprise value.
Understanding why this gap exists is more useful than simply observing it.
TIC businesses carry regulatory mandate. A pharmaceutical plant that needs third-party testing to ship product is not choosing to buy that service the way it chooses its cleaning vendor. It is required to. That requirement creates recurring, non-discretionary revenue with switching costs that are structural rather than relational. Changing a testing and certification partner means requalifying with regulators, revalidating processes, and potentially disrupting production schedules. No one does it casually.
Janitorial and facilities cleaning, by contrast, is essential but discretionary in its vendor selection. Contracts run one to three years. Switching costs are operational rather than regulatory. The revenue recurs, but it is not locked. Buyers price that difference precisely.
The practical implication for any services business owner is: where does your revenue sit on this spectrum? Businesses that can credibly demonstrate non-discretionary, compliance-driven, or contract-locked recurring revenue trade toward the TIC end of the range. Businesses where customer stickiness is primarily relational rather than structural trade toward the janitorial end. The distance between those positions is not fixed. Technology, contract structure, and service design can move a business meaningfully along that spectrum before a sale process begins.
PE firms are building empires in industrial services. A standalone cleaning business at 3.4x becomes a different asset inside a platform.
The roll-up activity in industrial services M&A is not a new story, but the pace has accelerated to a level that changes the math for any standalone operator.
Azuria Water Solutions completed 20 acquisitions in a single year. Inframark added five add-on acquisitions in their environmental services platform. In testing, inspection, and certification, Capstone Partners documented a 23.3% year-over-year increase in add-on deal volume. Lincoln International’s sector coverage confirms the same pattern across environmental services, facilities management, and specialty maintenance.
PE platforms buying add-on acquisitions are not buying at the same multiple they paid for the platform business. They are buying at a discount to that level, often 2x–4x below their platform multiple, because the add-on lacks scale and management depth on a standalone basis. They then recognize the arbitrage: an $18M janitorial business inside a platform clearing at 8x isn’t worth $18M to them. It’s worth considerably more, because they’re paying for the customer density, the geographic coverage, and the recurring revenue contribution, not just the current earnings.
For a services business owner operating in a market where PE platforms are active, two things become true simultaneously. First, there is a pool of motivated, well-capitalized buyers who will pay above-market for businesses that fit their density map, because the synergy to them is real and quantifiable. Second, the strategic framing of a sale process matters significantly. A business that positions itself as a bolt-on to an existing platform, with customers in the right geographies and revenue in the right service lines, accesses different economics than a business that comes to market as a standalone operator hoping to attract any buyer.
Independent sponsors are frequently the connective tissue in this market. They identify an acquisition opportunity, raise deal-specific capital, and build toward a platform that a larger PE firm eventually acquires. That exit path creates a second layer of buyer demand beyond direct strategic and traditional PE interest.
Water and environmental services recorded a 41.7% increase in transaction volume year-over-year, the largest growth of any category tracked in Capstone Partners’ industrial services sector analysis. Lincoln International’s infrastructure coverage confirms the trend.
Three forces are driving it simultaneously.
Federal infrastructure spending from the Infrastructure Investment and Jobs Act is creating a sustained wave of capital flowing into water system upgrades, environmental remediation, and municipal service contracts. That spending doesn’t move in one year. It creates multi-year pipeline visibility for businesses in the right service categories.
PFAS enforcement is generating a separate but overlapping demand signal. Per- and polyfluoroalkyl substance contamination affects water supplies across thousands of municipalities. The 2024 EPA hazardous substance designation created legal pressure that translates directly into service contracts: testing, remediation, monitoring, ongoing compliance management. This is non-discretionary spend with a regulatory mandate behind it.
The essential nature of water infrastructure makes these businesses the most defensible category in the services sector from a buyer perspective. They do not lose customers to market cycles. They do not face discretionary budget cuts when a customer’s earnings are soft. A water treatment facility that fails is a public health event. The switching costs and regulatory relationships create the same structural stickiness that makes TIC businesses command premium multiples.
For a buyer focused on risk-adjusted entry points in industrial services M&A, this is the category where the combination of growth, defensibility, and infrastructure tailwinds is most concentrated in 2026. It is also the category where sellers have pricing power because demand for quality assets is outrunning supply.
Until 2025, “tech-enabled services” was a phrase that showed up in pitchbooks without carrying a distinct multiple. That has changed.
Capstone Partners, Harris Williams, and Bain Capital each used “tech-enabled services” as an explicit investment thesis in 2025 publications. That is the first year all three categorized it separately rather than folding it into broader industrial services coverage. The distinction is carrying real weight in deal pricing.
Griffin Financial’s staffing sector data provides a concrete data point: AI-enabled staffing firms are clearing at 5.5x–7.0x EBITDA while traditional staffing firms trade at 4.0x–4.5x. That is a 1.5–2.5 turn premium for the same core business activity, attributed to tech enablement. The field service management software space is showing similar patterns as platform businesses built on FSM infrastructure attract acquirers who understand the recurring data and analytics value embedded in those systems, not just the service revenue.
The buyer pool for a tech-enabled services business is categorically different from the buyer pool for a traditional operator in the same sector. It includes growth-oriented PE firms that allocate to technology-enabled business models, strategics in the software and data analytics space who value the customer relationships and embedded data as much as the service revenue, and independent sponsors who understand how to build toward that premium exit.
The practical implication is not that every services business needs to become a software company. It is that intentional deployment of field service management platforms, IoT monitoring, digital workflow tools, and analytics infrastructure changes who shows up when the business comes to market. That buyer pool difference compounds through the entire sale process: more competitive tension, higher initial bids, more sophisticated understanding of what the business is actually worth.
This is the work HarborWind does inside acquired companies. Not as a transformation narrative for buyers, but because it makes the businesses better. The multiple premium is the byproduct of operational improvement, not the goal.
Deal-killers in services M&A are frequently predictable and almost always avoidable if addressed early enough. Customer concentration is the most common.
FOCUS Investment Banking and Axial both document the threshold where deals begin to fail: 30% revenue from a single customer is the level where most buyers decline to proceed without significant price adjustments, extended earnout structures, or explicit customer retention guarantees in the transaction documents. At 40%, deals die more often than they close.
The reason services deals are more sensitive to concentration than manufacturing deals is the contract structure. A specialty chemical company with customer concentration has long-term supply agreements, often with minimum purchase commitments. A services company with customer concentration typically has contracts that run one to three years, with options to renew on the customer’s side. That asymmetry means the buyer is essentially pricing a renewal risk that the seller doesn’t face because the relationship has been stable for years.
The other dimension is that services businesses, more than most categories, depend on relationship continuity. When the owner is personally managing the top customer relationship, and that owner is exiting, buyers see a double risk: contract renewal risk and relationship transfer risk simultaneously.
The solutions are structural and take time. Signing longer-term contracts with top customers before a sale process begins. Transitioning customer relationships to account managers or operations leadership rather than the owner. Adding two or three meaningful new customer relationships that dilute concentration metrics before going to market. A business that takes 24 months to address customer concentration before a sale is in a categorically different position than one that surfaces the issue during diligence.
That timeline matters. The services businesses that achieve premium multiples are not businesses that got lucky with their customer base. They are businesses where the owner was thoughtful about risk factors, years before the sale.
The range is wide: 3.4x for commodity services like commercial janitorial, to 11.6x or higher for testing, inspection, and certification businesses with regulatory-mandate recurring revenue. The lower middle market average across all services categories landed at 7.2x in 2025. The factors most likely to move a business toward the high end of the range are recurring contract revenue as a percentage of total revenue, customer diversification, technology infrastructure, and reduced owner dependence. The factors most likely to compress a multiple are customer concentration above 25%, project-based revenue without maintenance contract conversion, and owner-dependent customer relationships.
In a meaningful way. PE platforms buying add-on acquisitions often pay above the standalone market rate for businesses that fit their geographic density map or service line strategy, because the value to them exceeds what the business is worth on its own. Identifying which platforms are active in your market and positioning your business as a fit for their strategy, rather than as a generic standalone sale, can access different economics. Working with advisors who have visibility into active platform buyers is worth the cost.
Yes, in two ways. First, field service management software, automated scheduling, and CRM infrastructure directly support recurring revenue conversion, which is the largest multiple driver in the sector. A business that has deployed these tools and can show the recurring revenue percentage improvement has a quantifiable story for buyers. Second, “tech-enabled services” has emerged as a distinct buyer category in 2025, bringing a different pool of acquirers who value the data and platform infrastructure alongside the service revenue. The incremental cost of implementing FSM software before a sale is small relative to the multiple expansion it supports. For a detailed look at how route optimization, knowledge capture, and IoT monitoring translate into valuation outcomes, see how technology is changing industrial and B2B services companies.
Better than 2025’s deal count suggests. Volume was down 23% from 2024 and 41% from the 2021 peak, but buyer appetite remained strong: 70.5% of active dealmakers told Axial they were optimistic about 2026. The decline in volume reflects seller hesitation and financing conditions more than buyer demand. For a well-prepared seller of a quality services business, the combination of fewer competing assets on the market and an active, well-capitalized buyer pool creates favorable conditions. Water and environmental services is the fastest-growing deal category. Owners in specialty chemicals will find parallel market dynamics in our chemicals M&A analysis. Tech-enabled operators are drawing a different buyer pool. The market is not waiting for conditions to improve. It is waiting for the right businesses. For niche manufacturers reading this, we have published a comparable analysis of the manufacturing M&A market with sector-specific multiples and buyer dynamics.
Revenue quality is the primary driver. Non-discretionary, compliance-driven, recurring revenue with real switching costs attracts buyers who price for durability. Project-based revenue with no maintenance contract conversion, high customer concentration, or owner-dependent relationships attracts buyers who price for risk. The multiple spectrum in services is wider than almost any other sector in the lower middle market precisely because the same EBITDA number can represent very different underlying businesses depending on how the revenue is structured. The good news is that revenue quality is not fixed. It is the outcome of business model decisions that a prepared seller can make years before a sale.
Independent sponsors represent 27% of transaction volume in the lower middle market, making them the single largest buyer type by deal count according to Axial. They raise deal-specific capital from family offices and institutional limited partners rather than managing committed funds, which makes them faster-moving and more structurally flexible than traditional PE. In industrial services, independent sponsors frequently operate with deep sector expertise and bring operating capability alongside capital. For sellers who want a buyer that understands the business and will invest in its growth rather than simply extract returns on a fund timeline, independent sponsors are worth including in any well-run sale process.
The industrial and B2B services market in 2026 will reward a specific kind of business. Not the largest. Not the oldest. Not the one with the most trucks or the biggest customer roster. The one that has converted project relationships into maintenance contracts, built technology infrastructure that makes service delivery consistent and documentable, managed customer concentration before it became a structural problem, and built an operation that doesn’t depend on one person being in the middle of every decision.
Those businesses will sell to motivated buyers at prices that reflect what they have built. The businesses that haven’t done that work will find the market priced them accordingly.
HarborWind Partners acquires industrial and B2B services businesses with $2M–$10M in EBITDA. We implement the technology and operational infrastructure that makes these businesses more durable, more valuable, and more competitive. Founders considering a sale will find The Founder’s Guide to Selling a Manufacturing Business a useful companion to the market data in this post. We bring operating depth and technology expertise to leadership teams that want to take their businesses further. We hold for the long term, because that is how compounding works.
Buy. Build. Compound.