Doors & Access

Labor & workforce

Market size & structure

Unit economics

Cash cycle

Cashflow Note. According to Levelset's 2022 Construction Cash Flow & Payment Report, only 12% of construction businesses report always getting paid on time, 41% report that slow payments directly reduce profit margins, and 50% of subcontractors identify general contractors as the primary cause of payment delays.

AI exposure

Ai Resistant Work. Physical installation, mechanical assembly, and hands-on site service remain heavily resistant to AI automation in the US Doors & Access trade. Key physical tasks include: (1) Structural installation and heavy mounting of residential garage doors, commercial roll-up doors, high-speed industrial doors, automated sliding entries, and gate mechanisms. (2) High-risk mechanical maintenance, such as tensioning heavy-duty torsion springs, balancing door weights, aligning tracks, and performing physical safety sensor testing mandated by ANSI/DASMA safety standards (e.g., ANSI/DASMA 102/115 and UL 325 safety code compliance). (3) Physical wiring of access control panels, mounting biometric readers and electronic locks, and on-site hardware troubleshooting during emergency service calls. U.S. Bureau of Labor Statistics and DASMA reporting highlight a deficit of over 45,000 qualified door service technicians, underscoring that manual trade craft, dexterity, and field problem-solving cannot be duplicated by software.

Automatable Work. Back-office management, field dispatch, estimating, customer communications, and access control reporting are rapidly being automated by trade-tailored AI software: (1) AI Dispatching & Route Optimization: Intelligent dispatch engines (e.g., FieldCamp AI, Workiz Genius AI, Titan Intelligence) automatically fill daily schedule boards by matching job requirements against technician skill certifications (e.g., spring replacement vs. commercial roll-up expertise), vehicle load capacity, geographic zones, and live traffic data. (2) Automated Call Answering & Customer Booking: 24/7 AI virtual receptionists handle incoming sales calls, text back missed after-hours leads, and auto-book appointments directly into field calendars. (3) Estimating & Quoting Automation: Software generates on-site 'good-better-best' tiered estimates from flat-rate pricebooks, leveraging photos and past equipment records to streamline customer approval and electronic signing. (4) Generative AI System Querying: Natural-language AI models interface with access control databases to eliminate manual log searches, enabling security managers to retrieve instant reports or execute emergency lockdowns via voice commands. (5) Predictive Maintenance & Invoicing: Smart door sensors feed operational telemetry into cloud AI to trigger automated maintenance alerts before breakdowns occur and auto-convert completed job cards into customer invoices.

Adoption Examples. Documented examples and studies of AI adoption in the door and access control industry include: (1) ASSA ABLOY ecoLOGIC (2025): ASSA ABLOY introduced an AI-driven software layer for automatic sliding doors that evaluates foot traffic and ambient weather in real time to dynamically adjust door speeds and hold-open times. The solution reduces door opening cycles by 2–7%, saves up to 14,000 kWh per entrance annually, and earned GreenCircle Certification and TÜV SÜD's 'Low-Risk AI' designation. (2) Acre Security / REKS.ai Acquisition (2025): Global security provider Acre Security acquired REKS.ai to integrate access-control-specific generative AI into its platform, allowing security administrators to use natural-language queries (e.g., 'Show me all access denied events at the data center last month') and execute voice-activated emergency lockdowns. (3) Field Service Management (FSM) AI Tools (2024–2026): FSM software vendors like FieldCamp and Workiz introduced AI dispatcher and call assistant modules purpose-built for garage and door service contractors to optimize multi-truck dispatching and quote generation. (4) Smart Door & Operator Analytics: Research from Mordor Intelligence notes that leading door manufacturers like Clopay are embedding AI analytics into connected door operators, offering property owners automated maintenance alerts, usage dashboards, and energy management features.

M&A & consolidation

Consolidation Activity. The US Doors & Access trade (residential/commercial garage doors, loading docks, access control, and gate systems) is seeing highly active private equity roll-up and consolidation, following the playbook established in HVAC, plumbing, and roofing. The sector is attractive to financial buyers due to high fragmentation (over 15,000 independent operators, with ~90% generating under $10M in revenue), recession-resilient repair/replacement revenue, and high gross margins. More than 10 PE-backed platform companies have formed since 2022, executing 25–30+ add-on transactions per year.

Typical Ebitda Multiple. Acquisition multiples vary significantly by company scale: small local add-ons (<$1M EBITDA) trade at 3.5x–5.0x EBITDA; core mid-market add-ons ($1M–$3M EBITDA) command 6.5x–9.0x EBITDA; regional platforms ($3M–$10M EBITDA) sit at 9.0x–12.0x EBITDA; and large scaled platforms (>$10M EBITDA / $50M+ revenue) command 12.0x to 16.0x+ EBITDA multiples.

Notable Acquirers Or Deals. 1. Guild Garage Group: Acquired by Oak Hill Capital in March 2026 for $800M+ (~16x EBITDA, $300M+ revenue) after completing 25+ add-ons. 2. GarageCo Holdings: Formed by Gridiron Capital in 2024, acquiring P.D.Q. Door Company, Apple Door Systems, Cunningham Window & Door, among others. 3. US Dock & Door: Soundcore Capital Partners-backed platform consolidating commercial doors, loading docks, and access systems. 4. DuraServ: Commercial dock/door platform acquired by Leonard Green & Partners at a high-teens EBITDA multiple. 5. A1 Garage Door Service: Backed by Cortec Group. 6. Door Pros America: Backed by Rotunda Capital Partners (add-ons include Liberty Door & Awning and American Garage Door Systems). 7. Precision Door Service: Rolled up via Neighborly (backed by KKR).

Technology stack

Dominant Fsm Software. US overhead door, garage door, and access control contractors predominantly rely on general trade FSM platforms including ServiceTitan, Housecall Pro, Jobber, and FieldPulse, as well as door-industry-specific platforms such as DoorPack (by Fireline Systems), SAWIN, and ECI Davisware (GlobalEdge).

Common Accounting Software. Intuit QuickBooks (QuickBooks Online and QuickBooks Desktop) is the overwhelming market leader in accounting software for doors and access contractors. Secondary platforms include Sage (Sage 100 / Sage 300 Construction), Acumatica (powering Insite4Doors), and built-in enterprise GL modules in platforms like ECI Davisware.

Adoption Or Integration Note. According to Intuit's 2026 Construction Profitability Report, disconnected software tools create an average $11,000 annual productivity loss per contractor, with 91% of industry leaders agreeing that integrating field operations with back-office accounting on a single platform is vital to protecting profit margins. Additionally, the 2024 JBKnowledge Construction Technology Report found that 72% of contractors use more than three separate software applications, creating a persistent integration gap where field data must be manually re-entered into accounting systems.