Comparison matrix
Two to four shows, side by side, on the numbers that decide a booth: delegations, attendance, floor space and what a credible stand costs. Rows marked estimate come from the research layer, not from an organiser price list.
| Attribute | Halifax International Security ForumRemove Halifax International Security Forum22–24 Nov 2024 | 2026 Hunter Defence ConferenceRemove 2026 Hunter Defence Conference26–27 Aug 2026 | SIA SubSTEC8 Conference 2026Remove SIA SubSTEC8 Conference 202621–23 Sept 2026 | Carpathian Drone Summit 2026Remove Carpathian Drone Summit 202629–30 Sept 2026 |
|---|---|---|---|---|
| Dates | 22–24 Nov 20243 days | 26–27 Aug 20262 days | 21–23 Sept 20263 days | 29–30 Sept 20262 days |
| Registration | — | — | — | 31 Aug 2026Closes in 4D |
| Location | Halifax, CanadaThe Westin Nova Scotian | Lovedale, AustraliaRydges Resort Hunter Valley | Adelaide, AustraliaAdelaide Oval | Rzeszów, PolandZEN.COM Expo – Centrum Wystawienniczo-Kongresowe Województwa Podkarpackiego, Jasionka 953 |
| Format | Conferences & summitsNorth America | Conferences & summitsAustralia & Oceania | Conferences & summitsAustralia & Oceania | Conferences & summitsEurope |
| Attendanceestimate | ~300 delegates from 70+ countries | ~280 delegates from defence, government, and industry nationally | ~300 delegates (cross-section of industry, academia, and defence; international representation from UK, US, France and Australia reported at prior editions) | Not yet published (inaugural edition) |
| Exhibitorsestimate | No exhibition floor; ~7 named Club HFX corporate partners (2024) | Not publicly disclosed; sponsors and exhibitors present across both days | ~15 named sponsors/partners confirmed for 2026 edition; no standalone exhibition floor — sponsor presence integrated into conference format | Not yet published (inaugural edition) |
| Delegationsestimate | Hundreds of senior officials; Canadian Minister of National Defence co-hosts annually | All three ADF services (Navy, Army, Air Force) and Joint Capabilities represented; no formal delegation count published | Senior RAN officers confirmed (Commodore DG Submarines, Rear Admiral Chief Engineer); SA Minister for Defence and Space Industries; UK NAD Lethality Liaison Officer | Military and public-administration representatives confirmed; numbers not disclosed |
| Floor spaceestimate | No exhibition floor; single hotel venue (The Westin Nova Scotian) | Not publicly disclosed; boutique conference format at Rydges Resort Hunter Valley | Not applicable — conference-format event at Adelaide Oval function spaces; no dedicated exhibition floor reported | ZEN.COM Expo offers ~16,000 sqm of exhibition space; event allocation not specified |
| Budget tierestimate | Flagship | Mid | Mid | Mid |
| Exhibitor costestimate | Partnership/sponsorship basis only; pricing on request | Sponsorship/exhibitor packages available on request; no public per-sqm rate listed | Sponsorship packages on request via execmgr@submarineinstitute.com; named tiers include Silver, Bronze, and event-specific (dinner, reception, lanyards, coffee van, session breaks) | On request; no published per-sqm or flat rate found |
| Visitor costestimate | Invite-only; no public ticket sales | AUD $1,190 + GST (member); AUD $1,290 + GST (non-member); includes catering and Gala Dinner | ~AUD 1,700 full-price two-day pass (incl. GST); discounted rates for SIA members (~60% off), defence/small business, submariners/retired/students; media free with code | Not publicly disclosed; registration via carpathiandrone.pl (Gridaly platform) |
| Audience | PrimesInstitutionsInvestors | PrimesSMEsStartupsInstitutions | PrimesSMEsStartupsInstitutions | SMEsStartupsInvestorsInstitutionsPrimes |
| Topics | C2 / Battle ManagementISR & SensorsCyberAIProcurement | ProcurementMaritimeAIAutonomy & RoboticsISR & Sensors | MaritimeAutonomy & RoboticsAIUAS / DronesC2 / Battle Management | UAS / DronesC-UASDual-useAutonomy & RoboticsAI |
| Organiser | HFX (Halifax International Security Forum Inc.) | HunterNet Co-op | Submarine Institute of Australia | Marshal's Office of Podkarpackie Voivodeship (Urząd Marszałkowski Województwa Podkarpackiego) |
| Editionestimate | 16th edition (since 2009) | ~17th edition (10th Anniversary held c.2019; conference running since c.2010) | 8th SubSTEC edition (SubSTEC series launched 2011; held biennially, alternating with SIA Biennial Conference) | 1st edition (inaugural, 2026) |
| Patronageestimate | Supported by Canada's Department of National Defence and the Atlantic Canada Opportunities Agency | Australian Minister for Defence Industry keynoted the 2025 edition; NSW Government is a named Key Stakeholder | Conference Partner: Defence SA; Supporting Partner: Business Events Adelaide | Podkarpackie Voivodeship Marshal Władysław Ortyl; Drone Valley initiative cited by European Commission President Ursula von der Leyen |
| Why it matters | HFX is widely regarded as the foremost security policy forum for democracies, giving defence industry partners direct access to cabinet-level officials, senior military officers, and NATO leadership in an intimate, off-the-record setting that rarely exists at larger trade shows. For SMEs and primes alike, the Club HFX partnership model offers branding and networking opportunities alongside heads of state and defence ministers, making it a high-leverage venue for shaping procurement narratives and policy. Announcements made at HFX — such as new missile defence research agreements — frequently translate into concrete procurement and alliance decisions in the months that follow. | This is the only dedicated regional defence conference in Australia that places prime contractors and SMEs in the same room for structured, direct engagement — making it a critical pipeline event for Hunter-region and NSW suppliers seeking to enter or grow within ADF programs. Senior leaders from all three services and Joint Capabilities attend, providing rare first-hand insight into current capability priorities and procurement pathways. For SMEs and startups, the small-group discussion format offers direct access to decision-makers that larger trade shows rarely replicate. | SubSTEC is Australia's only dedicated submarine science and engineering conference, making it the primary access point for suppliers seeking to engage the RAN submarine enterprise, Defence SA, and AUKUS programme decision-makers in a single venue. For SMEs and startups, the SME Spotlight sessions and tiered sponsorship tiers (Bronze upward) offer direct visibility to the naval and government officials who shape sovereign capability investment. With Australia committing to a multi-decade, multi-billion-dollar nuclear submarine transition, SubSTEC8 is the earliest opportunity to position technology and services ahead of major procurement cycles. | Podkarpackie is one of Central Europe's most established aerospace manufacturing bases, and this summit is the region's strategic move to pivot from aviation to drone/dual-use technology — directly relevant to defence suppliers and SMEs seeking to enter or expand in the UAS and dual-use market. The co-located Dual Use Challenge pitch finals offer startups direct access to VC funds, investors, and industrial primes on a single day. For defence-adjacent firms, the live airfield showcase at Stalowa Wola–Turbia — including counter-drone systems — provides rare hands-on demonstration access in a NATO-ally operational context. |
| Links | DossierOfficial site | DossierOfficial site | DossierOfficial site | DossierOfficial site |
Estimates are compiled from public organiser material and press coverage, and are indicative only. Confirm pricing with the organiser before committing budget. Research confidence: Halifax International Security Forum — medium; 2026 Hunter Defence Conference — medium; SIA SubSTEC8 Conference 2026 — medium; Carpathian Drone Summit 2026 — low.