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Won by assembling a full HR suite through acquisition specifically for construction, a compliance-heavy, unionized, multi-jurisdiction industry generalist HR software (Workday, BambooHR) wasn't built to handle.
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MODEL
BUSINESS MODEL
SaaS
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HOW THEY BUILT IT
- Founded in 2018 not as an organically built product but as a roll-up, formed through the acquisition of three existing companies - InfinityHR, BirdDogHR, and ExakTime - under Providence Strategic Growth Capital Partners (PSG) ownership.
- Continued acquiring through 2018, with InfinityHR marking the third HR software acquisition that year alone, each adding a specific missing module (core HR/benefits/payroll, talent management, time and attendance) to a unified suite.
- Now serves over 10,000 construction companies and specialty contractors, with partnerships spanning construction-specific software (Procore, Sage, Foundation Software) and industry associations (AGC, ABC, NECA).
HOW TO ARCHITECT IT
1. If your target market's needs span several distinct software categories (core HR, time tracking, talent management), consider acquiring an existing point solution in each category rather than building all of them from scratch under time pressure.
2. Pick an industry defined by genuine, hard-to-fake compliance complexity (construction: multi-state, union wage rules, certified payroll, safety regulation) where a generalist competitor's product is a poor fit, not just a differently priced one.
3. Build integrations with the industry's other core software (Procore for project management, Sage/Foundation for accounting) so your product becomes part of an existing workflow rather than requiring a rip-and-replace decision.
DISTRIBUTION MODEL
Direct Sales, Channel Sales, Partnership Distribution
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HOW THEY OPERATIONALIZED
- Partnerships and integrations with third-party business solutions (Procore, Sage, Foundation Software) position Arcoro as connective tissue in an existing construction tech stack rather than a standalone replacement.
- Strategic reseller relationships (like Aktion Associates) extend reach within the Sage and Acumatica accounting-software ecosystems.
- Deep association partnerships (AGC, ABC, NECA - major construction industry trade groups) provide credibility and warm introductions to member companies.
HOW TO REPLICATE WHAT WORKED
What worked: building a company via acquisition specifically to assemble a complete, integrated suite quickly for an underserved vertical, rather than spending years building each module organically while competitors caught up.
The trap: a roll-up strategy requires real integration discipline afterward - simply owning several point products under one brand name doesn't automatically create a unified platform; a founder pursuing this strategy needs a genuine post-acquisition integration plan, not just a shared parent company.
| PATTERNS OF THIS MODEL
PATTERNS IN ROLL-UPS ASSEMBLED FOR A SINGLE VERTICAL:
1. WHERE A VERTICAL'S NEEDS SPAN SEVERAL SOFTWARE CATEGORIES, ACQUIRING A POINT SOLUTION IN EACH BEATS BUILDING ALL OF THEM UNDER TIME PRESSURE.
2. CHOOSE AN INDUSTRY WHERE COMPLIANCE COMPLEXITY MAKES A GENERALIST PRODUCT A POOR FIT, not merely a differently priced one.
3. INTEGRATE WITH THE VERTICAL'S EXISTING CORE SOFTWARE so adoption is additive rather than a rip-and-replace decision.
4. THE POST-ACQUISITION INTEGRATION BURDEN IS THE REAL COST. Several acquired products under one brand still feel like several products until the data model is unified — and customers notice.
What companies with this model reveal
| OPPORTUNITY INTELLIGENCE
GOLDMINE 1 — BUY A POINT SOLUTION PER CATEGORY RATHER THAN BUILDING FOUR PRODUCTS.
Standard: when your market needs core HR, time tracking and talent management simultaneously, acquiring one proven product in each is faster than building under time pressure. Arcoro was formed in 2018 from InfinityHR, BirdDogHR and ExakTime.
GOLDMINE 2 — PICK AN INDUSTRY WHOSE COMPLIANCE MAKES GENERALISTS UNUSABLE.
Standard: multi-state union wage rules, certified payroll and safety regulation make construction a poor fit for horizontal HR — not merely a differently priced one.
GOLDMINE 3 — INTEGRATE WITH THE INDUSTRY'S OTHER CORE SYSTEMS.
Standard: Procore, Sage and Foundation integrations make you part of an existing workflow rather than a rip-and-replace decision.
THE PIT — A ROLL-UP INHERITS THREE CODEBASES AND THREE CUSTOMER MIGRATIONS.
Assembled products feel assembled, and churn spikes during platform consolidation. The integration cost is the real price of the strategy, and it is paid over years.
THE SECOND PIT — PE-FORMED COMPANIES CARRY AN EXIT CLOCK FROM DAY ONE.
MOVE WITH CAUTION — CONSTRUCTION HEADCOUNT IS CYCLICAL, AND HR PRICING IS PER-EMPLOYEE.
Untapped Business Model / Gaps / Goldmines / Pits
Patterns & Insights
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MARKET
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MARKET TYPE
Fragmented Market
WHY THEY WON
Construction-specific HR technology was fragmented among point solutions (a time-tracking tool here, a payroll tool there) with no integrated suite purpose-built for the industry's compliance needs. Arcoro won by consolidating those point solutions into one modular platform under a single brand, becoming the go-to construction HR vendor rather than one of many disconnected tools a contractor had to stitch together themselves. Lesson: in a fragmented market made of good point solutions but no integrated suite, assembling one through acquisition can be faster than building it and can immediately serve an existing combined customer base.
ENTRY STRATEGY
Greenfield Entry
EXECUTION
Arcoro was formed entirely through acquisition - InfinityHR, BirdDogHR, and ExakTime were combined under private-equity ownership (PSG) specifically to create an integrated HCM suite for construction, rather than any one of these companies growing organically into the full suite on its own.
FOOTHOLD STRATEGY
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Beachhead Strategy
Construction and other 'high consequence' industries (engineering, manufacturing, government contracting) with genuine compliance complexity were the beachhead, chosen because their regulatory and workforce-management needs (certified payroll, multi-state tax, union rules) were specific enough that generalist HR software underserved them, creating room for a purpose-built alternative to win quickly.
GROWTH CAMPAIGN
CAMPAIGNS THAT WORKED
- Continued acquisitions (InfinityHR joining BirdDogHR and ExakTime) expanded the HCM offering to cover core HR, benefits, payroll, and ACA reporting within the same year the company was formed.
- Partnership expansion with industry-specific players (HCSS, ABC Insurance Trust) and technology partners (Aktion Associates) broadened the integrated product ecosystem.
- Launch of its own payroll solution, including certified payroll reporting, directly addressing a construction-specific compliance requirement.
KEY LEARNING
When entering a vertical with genuine regulatory complexity, evaluate whether assembling existing point solutions through acquisition gets you to a complete, credible product faster than building every module yourself - speed to a complete offering can matter more than the elegance of a from-scratch build, especially against a market currently held together with disconnected tools.
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Market Context
| MARKET INTELLIGENCE
THE STANDARD: In a market of good point solutions with no integrated suite, assembling one through acquisition is faster than building it and serves a combined customer base immediately.
RULE 1 — ACQUIRE WHERE THE CUSTOMER OVERLAP ALREADY EXISTS. Buying tools the same contractor already uses converts integration into an upsell rather than a migration.
RULE 2 — MODULARITY IS THE RIGHT ARCHITECTURE FOR A ROLL-UP. Customers adopt one module and expand, which hides integration debt from the buying decision.
RULE 3 — INDUSTRY-SPECIFIC COMPLIANCE IS WHAT HORIZONTAL HR VENDORS WON'T BUILD. Certified payroll, prevailing wage and safety credentialing are the moat.
RULE 4 — ROLL-UPS PAY IN OVERLAPPING PRODUCTS AND VISIBLE MIGRATIONS. Sequence platform consolidation away from renewal periods.
MARKET TYPE: Fragmented Market (construction HR technology).
| MARKET ENTRY PLAYBOOK
THE STANDARD: A SUITE ASSEMBLED FROM ACQUISITIONS ENTERS A VERTICAL FASTER THAN ANY ORGANIC BUILDER — and inherits the integration debt as its central risk.
RULE 1 — BUY THE MODULES THAT SHARE ONE BUYER.
Combining HR, time and compliance products for a single industry creates suite value that none of the parts had alone.
RULE 2 — VERTICAL-SPECIFIC COMPLIANCE IS WHY THE SUITE HOLDS.
Certified payroll, prevailing wage and safety requirements are what a horizontal HCM vendor will not build.
RULE 3 — THE PRODUCT ROADMAP AFTER A ROLL-UP IS A MIGRATION PLAN.
Customers experience consolidation as disruption; sequence it away from renewal dates.
How to enter
| FOOTHOLD STRATEGY PLAYBOOK
THE STANDARD: Regulatory specificity that generalists refuse to build is a durable niche in HR software.
RULE 1 — TARGET INDUSTRIES WHERE GETTING HR WRONG CARRIES LEGAL CONSEQUENCE. Construction and government contracting face certified payroll, prevailing wage and union rules that generic platforms will not encode.
RULE 2 — THE COMPLIANCE RULES ENGINE IS THE MOAT, NOT THE INTERFACE. Depth here is unglamorous, slow to build and rarely attacked.
RULE 3 — A DESKLESS, ROTATING WORKFORCE REQUIRES DIFFERENT PRODUCT ASSUMPTIONS. Mobile onboarding and field data capture are architecture, not features.
RULE 4 — VERTICAL HR DEPTH EXCLUDES YOU FROM THE HORIZONTAL MARKET PERMANENTLY. Accept the bounded ceiling in exchange for very low competitive pressure.
How to get the first strong position
MARKET PATTERNS & PLAYBOOK
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MONEY
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REVENUE MODEL
Subscription
PRICING MODEL
Tiered Pricing, Add-On Pricing, Subscription Discount Pricing
WHY THEY WON
Modular subscription pricing where customers select from HIRE (applicant tracking, onboarding), MANAGE (core HR, benefits, time and attendance, payroll, compensation), and GROW (performance management, learning management, succession planning) product families, letting a construction company license only the modules relevant to its current HR maturity.
Base modules (e.g., time and attendance via ExakTime) are priced and sold separately from higher-tier modules (talent management, succession planning), letting smaller contractors start with a single acute pain point and add modules as their HR needs and company size grow - a natural land-and-expand pricing structure within a single account.
TARGET AUDIENCE
CUSTOMER BUYING BEHAVIOUR
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HR leaders and operations managers at construction companies and specialty contractors managing distributed, often unionized field workforces; engineering, manufacturing, and government-contracting companies with similar high-compliance needs.
Consultative, sales-assisted purchase evaluated by HR and operations leadership, with switching typically triggered by a specific compliance pain point (a failed certified-payroll audit, a labor-law violation) rather than routine feature comparison shopping.
| PRICING INTELLIGENCE
What makes this model effective & make customers pay
In high-risk industries, HR software is priced against a safety citation and a certification lapse, not against admin convenience.
RULE 1 — CERTIFICATION TRACKING IN CONSTRUCTION IS A LEGAL EXPOSURE, NOT A RECORD-KEEPING TASK.
An expired credential on site is a regulatory event. That converts HR software into compliance infrastructure.
RULE 2 — MODULAR ADD-ON PRICING MATCHES AN INDUSTRY THAT BUYS INCREMENTALLY.
Contractors adopt one module at a time as pain appears, rather than purchasing a suite.
RULE 3 — PER-EMPLOYEE PRICING TRACKS A WORKFORCE THAT EXPANDS AND CONTRACTS WITH PROJECTS.
Revenue follows the customer's project pipeline, in both directions.
RULE 4 — VERTICAL DEPTH IS THE DEFENCE AGAINST HORIZONTAL HR PLATFORMS.
Generic HR software cannot handle prevailing wage, certified payroll and union rules.
A contractor is buying protection from a stopped job site. Anchor to the citation and the shutdown, and the per-employee fee never gets compared to a generic HR product.
PRICE & REVENUE
| Revenue Risk - The biggest threat to revenue stability
Modular pricing lets customers buy only what they need and cancel one module at a time — an expansion story and a downgrade menu in the same structure.
Construction HR spend tracks project pipelines and headcount, both of which fall fast in a downturn.
Vertical HR suites compete with horizontal HCM platforms that bundle more for less, and with the general contractor's own ERP.
Selling into an industry with high workforce churn means constant seat-count movement in both directions.
PE-backed; no revenue or customer figures published.
Where the model can break
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MOTION
GROWTH EXPANSION MODEL
COMPETITIVE STRATEGY
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Product Line Expansion, Market Development (New Customer Segments)
HOW THEY EXPAND
Arcoro's expansion has been sequential module addition (HIRE, then MANAGE, then GROW product families) layered onto its founding acquisitions, alongside broadening from a construction-only focus toward other 'high consequence' compliance-heavy industries like engineering, manufacturing, and government contracting that share similar workforce-management needs.
Focus Strategy, Differentiation
HOW THEY COMPETE
Arcoro competes not on being the cheapest or most feature-rich generalist HR platform but on being purpose-built for construction's specific compliance requirements (certified payroll, union wage rules, multi-state tax), a focus that generalist competitors like Workday or Gusto do not replicate as deeply.
GROWTH ENGINE
GTM
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Partnership Growth, Referral Loops
Deep integration partnerships with the accounting and project-management software already used across construction (Procore, Sage, Foundation Software) create natural referral and cross-sell moments when a contractor using those tools needs HR functionality; this weakens if a horizontal HR platform builds comparably deep construction-specific compliance features and undercuts on price.
- Targeted advertising leveraging digital marketing strategies aimed at HR decision-makers in construction and related industries.
- Educational resources establishing authority on HR management topics specific to high-compliance industries.
- Email campaigns with regular newsletters informing subscribers about updates, tips, and industry trends.
SUSTAINING MOATS
Switching Costs, High Customer Lock-In, Brand Power, Technology Advantage (complex enterprise scenarios)
moat
Once a construction company's certified payroll records, multi-state compliance data, and workforce history live inside Arcoro's integrated modules, switching providers risks compliance gaps during a labor-intensive audit season - a moat reinforced by the genuine complexity of construction-specific labor law that a generalist competitor would need years to replicate credibly.
| MOAT INTELLIGENCE
THE STANDARD: Vertical HR software wins where the industry's compliance obligations make general platforms unusable.
RULE 1 — INDUSTRY-SPECIFIC REPORTING IS THE MOAT. Certified payroll, prevailing wage, union reporting and safety certification tracking are requirements no horizontal HR product implements properly, and getting them wrong ends contracts.
RULE 2 — THE WORKFORCE IS MOBILE AND OFFLINE, WHICH RULES OUT DESK-BASED PRODUCTS. Field time capture on a job site is an architectural requirement, not a mobile app checkbox.
RULE 3 — HIGH-TURNOVER LABOUR MAKES ONBOARDING VOLUME THE OPERATIONAL PAIN, so speed of hire-to-productive is the metric that sells rather than depth of talent management.
THE SIGNAL: modern horizontal HR platforms move down-market constantly, and the only defence is compliance depth they will not build. If a general vendor could serve your industry with a configuration, you have a preference rather than a moat.
Why this company remains defensible
ARR & TAKEAWAY
ARR Journey - what to do at each stage
PRE-$1M ARR — BUILD HR SOFTWARE FOR AN INDUSTRY HR SOFTWARE IGNORES
Construction has mobile crews, certifications, safety compliance, prevailing wage and high turnover. Generic HR suites handle none of it.
Sell to contractors on compliance risk, not on employee experience.
$1–5M ARR — CERTIFICATION AND SAFETY TRACKING ARE THE LOCK-IN
Losing a certification record is a project-stopping event. That makes you a risk decision.
WATCH: employees under management per contractor.
$5–10M ARR — INTEGRATE WITH THE CONSTRUCTION ERP
Sitting alongside the accounting and project systems contractors already run is mandatory.
$10–50M ARR — GROW BY ACQUISITION IN A FRAGMENTED VERTICAL
The company was assembled from multiple HR point solutions under private-equity ownership — the standard route in a fragmented vertical.
Budget integration capital and sequence migrations away from renewals.
$50–100M ARR — CONSTRUCTION EMPLOYMENT IS YOUR REVENUE
Per-employee pricing means downturns cut revenue with no churn conversation.
NOTE: revenue not disclosed; band placement is inference.
$100M+ ARR — NOT CONFIRMED
Rule: vertical HR wins on the compliance the horizontal suite refuses to model — and inherits the cyclicality of the industry it serves.
COPY PLAYBOOK : What Worked → What Failed → What to Replicate → What to Avoid
THE STANDARD: Buying a complete suite is faster than building each module while competitors catch up — but a shared parent company is not a platform.
SEQUENCE:
1. Identify an underserved vertical where buyers want one integrated suite.
2. Acquire the modules rather than building them sequentially.
3. Fund and staff the post-acquisition integration explicitly, as a programme with an owner.
WORKED: Assembling a full vertical suite in a fraction of the time an organic build would take.
CAUTION:
1. OWNING SEVERAL POINT PRODUCTS UNDER ONE BRAND DOES NOT CREATE A UNIFIED PLATFORM. Without a genuine integration plan you have a portfolio the customer experiences as disconnected tools.
2. ROLL-UPS PRODUCE CUSTOMER-VISIBLE MIGRATIONS, where churn spikes — sequence them away from renewals.
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