Sound Engine
Sound Engine is a Helsinki-based event technology company providing end-to-end audio, lighting, video, projection, and streaming production for corporate, cultural, entertainment, and government clients across Finland and broader Europe.
- Company typePrivate
- Founded2003
- HeadquartersHelsinki, Finland
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Sound Engine does
Sound Engine (legal entity Castrén Engine Osakeyhtiö) is a Helsinki-based event technology company founded in 2003 by Erkki (Eki) Castrén. The company provides end-to-end event production services — covering audio, lighting, video/projection, LED walls, multi-camera broadcasts, and streaming — for corporate, cultural, entertainment, and government clients, primarily in Finland. It also operates Engine Studio, one of Finland's largest virtual event studios located in Helsinki's Oulunkylä district, and runs mobile studio units that deliver turnkey virtual and hybrid event production at customer premises or other locations. Supporting sub-brands include Event Engine (exhibition furniture and booth rental) and Vintage AV Shop (second-hand equipment outlet).
The core technology stack is equipment-led rather than software-led. Sound Engine's rental fleet includes flagship gear from Yamaha (RIVAGE PM7, DM7 Compact, DM3, Rio3224-D3 I/O), d&b audiotechnik (Y, E, SL, KSL, 24C, B8, M4 lines), Panasonic (RQ22K 4K laser projectors, robot cameras), ROE Visual (Black Pearl 3.9mm, Hybrid 15S LED walls), Martin (MAC One, MAC Aura XB, MAC Encore, VDO Atomic Bold, VDO Sceptron), Ayrton (Rivale Profile), Brighter Lighting (PRO PAR 12BTIP, XBeam), Shure (Axient Digital), and AKG (CS5 conference system). Engine Studio is configured as a 15x15x8m black-box facility with up to 12 broadcast/robot cameras, custom publishing platforms, LED walls, and integrated streaming to Vimeo, YouTube, or customer-branded platforms.
Revenue is generated through quote-based professional services (full event production), managed services for Engine Studio virtual/hybrid events, usage-based equipment rental across six categories, and on-site mobile studio production. The company employs 17 core staff supplemented by dozens of freelancers and serves a primary Corporate/Enterprise segment alongside secondary Cultural/Entertainment, Government/Municipal, and rental-customer segments. Sound Engine is privately held and founder-owned, with no disclosed external funding or revenue.
Sound Engine firmographics
Firmographics- Name
- Sound Engine
- Legal name
- Castrén Engine Osakeyhtiö
- Website
- https://soundengine.fi
- Company type
- Private
- Founded year
- 2003
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Sound Engine is a Helsinki-based event technology company providing end-to-end audio, lighting, video, projection, and streaming production for corporate, cultural, entertainment, and government clients across Finland and broader Europe.
- Ownership category
- akta.pro rank
Sound Engine industry classification
Industry- Product category
- Event Production Services
- NAICS
- Other Sound Recording Industries (51229)
- SIC
- Services-Miscellaneous Equipment Rental & Leasing (7350)
- akta.pro primary industry
- Backline & Musical Instrument Rental (MPAGAKAJ)
- akta.pro secondary industries
- Audio-Visual Equipment Rentals (Sound, Projection, Screens) (HSACAFAF), Live Sound & Stage Equipment (PA Systems, Amplification, Monitoring) (MPAIAJAD), Backline & Musical Instrument Rentals (Concert/Performance Support) (THAHAEAL)
Keywords
Where Sound Engine is headquartered
LocationHeadquarters
- HQ city
- Helsinki
- HQ country
- Finland
- HQ region
- Europe
Offices2 records
Markets served
Sound Engine business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Event Production Services: Full-service event production from concept to execution. Services span audio, lighting, video, projection, LED walls, multi-camera projects, digital content production, stage structures. Serves corporate seminars, concerts, festivals, conferences, and private events.
- Engine Studio Virtual/Hybrid Events: Rental and production of virtual and hybrid events from the Engine Studio facility. Includes streaming, multi-camera production, custom landing pages, message wall, Q&A/voting, and brand authentication. Publishing via Vimeo, YouTube, or custom platforms.
- Equipment Rental: Rental of professional audio, lighting, video, and rigging equipment to professionals and experienced hobbyists. Six product categories: Audio, Lighting, Video/AV, Trusses & Rigging, Exhibition Furniture (via Event Engine), and products for sale (Vintage AV Shop).
- Mobile Studio Production: On-site virtual event production at customer premises using mobile studio units. Turnkey delivery including planning, equipment, custom publishing platform, message wall, and supporting services.
Go-to-market motion3 records
Distribution channels4 records
Marketing channels6 records
Sound Engine product offering
Product offeringCore offering
Sound Engine is a Finland-based event technology company providing end-to-end event production services — audio, lighting, video/projection, LED walls, multi-camera broadcasts, digital content, and stage structures — for corporate, cultural, and government clients. The company operates Engine Studio, one of Finland's largest virtual event studios in Helsinki Oulunkylä, and offers mobile studio units for on-site virtual and hybrid event production. Equipment rental across six categories (audio, lighting, video/AV, truss and rigging, exhibition furniture, and Vintage AV Shop) is sold alongside full-service production.
Product overview
Sound Engine is a versatile event technology production company offering comprehensive services for physical, virtual, and hybrid events. Its product portfolio centers on equipment rental organized into six categories: Audio Equipment, Lighting Technology, Video/AV Technology, Trusses and Rigging, Exhibition Furniture (via Event Engine sub-brand), and Products for Sale (via Vintage AV Shop). The core service offering includes end-to-end event production from ideation to execution, with specialized sub-brands including Engine Studio (one of Finland's largest virtual event studios in Helsinki Oulunkylä), Event Engine (exhibition furniture), and Vintage AV Shop (second-hand equipment sales). Key equipment brands in the rental fleet include d&b audiotechnik speakers, Yamaha mixers (RIVAGE PM7, DM7, DM3, CL, QL series), Panasonic 4K laser projectors, Martin moving lights (MAC One, MAC Aura XB, MAC Encore, VDO Atomic Bold), Ayrton Rivale Profile fixtures, ROE LED walls (Black Pearl, Hybrid 15S), Shure Axient Digital wireless systems, and AKG conference systems.
Differentiator
Problem solved
Functional benefit
Brands
- Engine Studio: Multi-purpose studio facility for virtual and hybrid events, located in Helsinki's Oulunkylä district. Equipped with TV-production-level technology, robot cameras, LED walls, and studio lighting.
- Vintage AV Shop
Products and services
- Engine Studio Virtual & Hybrid Event Production One of Finland's largest virtual event studios located in Helsinki Oulunkylä, featuring TV-production-level technology, 15x15x8m Black Box space, 5-9 Panasonic robot cameras, 3 HD broadcast cameras, ROE Black Pearl LED walls, Panasonic RQ22K 4K projectors, and custom publishing platforms. Delivers virtual and hybrid event production for corporate and cultural clients.
- Mobile Studio Units Portable studio units for delivering professional virtual events at customer premises or virtually any location. Turnkey delivery including planning, equipment, custom publishing platform, message wall, and full-service production. Multi-camera system guarantees quality regardless of location.
- Event Technical Production Full-service event production from ideation and consultation through final execution, covering corporate events, concerts, trade shows, private functions, and public celebrations. Spans audio, lighting, video, projection, LED walls, multi-camera projects, digital content production, and stage structures.
- Video Production Professional video content production including scriptwriting, direction, multi-camera direction, editing, on-location filming, and drone filming. Delivered from concept to final cut for corporate and event clients.
- Drone Camera Services Aerial drone camera footage for events and video productions.
- Professional Audio Equipment Rental Rental of professional audio reinforcement equipment for events — loudspeakers, subwoofers, mixing consoles, wireless microphones — bundled with experienced sound engineers. Covers small remote meetings to large outdoor concerts.
- Professional Lighting Equipment Rental Rental of professional lighting equipment including moving head fixtures, LED fixtures, wash lights, profile spotlights, and effects lighting for virtual events, seminars, large venue atmosphere, show lighting, and outdoor installations.
- Video and Projection Equipment Rental Rental of video and projection technology including LED walls (ROE Black Pearl 3.9mm pixel pitch), laser projectors (Panasonic RQ22K 4K), and displays for visual presentations and event atmosphere.
- Truss and Rigging Rental Rental of trusses and rigging hardware for event installations, stage structures, and suspended equipment mounting.
- Event Engine — Exhibition Furniture and Booth Rental Exhibition furniture and booth rental services offered through the related Event Engine brand (eventengine.fi). Complements Sound Engine's core event production offering.
- Vintage AV Shop Online shop for previously rented AV equipment being sold, providing an outlet for second-hand professional event technology.
Quantifiable outcome
- 23+ years of continuous operation and steady growth
- +4 more outcomes
Companies that use Sound Engine
Customer profileNamed customers11 records
Segments4 records
Ideal customer profiles4 records
Sound Engine technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Sound Engine partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered core and minor.
- Kiekko-EspoocoreSound Engine's partnership with Kiekko-Espoo's Liiga representative team expanded in September 2025 to also include the Women's team (17-time Aurora League champions) and U20 team. Sound Engine provides sponsorship and technical support for team events at Metro Areena.
- YamahacoreYamaha and Sound Engine partnership includes first in Finland with RIVAGE PM7 for event tech (2018), product support and training partner status for PM7 and PM10 series mixers. Sound Engine also holds DM3 and DM7 Compact mixers as core inventory.
- ROE VisualcoreROE Visual is a key equipment partner providing LED walls including Black Pearl 3.9mm panels and Hybrid 15S effect LED walls. Sound Engine was among first in the Nordics to offer ROE Hybrid 15S products. LED walls are core to studio and event productions.
- PanasoniccorePanasonic supplies RQ22K 4K laser projectors (20,000 ANSI lumens), among the first in Europe to receive them. Sound Engine hosts Panasonic product showcases in their showroom. Panasonic robot cameras are core to Engine Studio's multi-camera capabilities.
- d&b audiotechnikcored&b audiotechnik is a key equipment partner supplying speakers including Y-series, E-series, SL-series, KSL-series, and B8 subwoofers. Sound Engine was among first to deploy KSL series in Finland. Regular equipment additions include 24C column speakers and M4 floor monitors.
- Brighter LightingcoreFirst in Finland to adopt Brighter Lighting PRO PAR 12BTIP (64 units, August 2025) and XBeam 120W laser diode beam machines. Battery-powered, wireless DMX fixtures provide new flexibility in space lighting.
- Martin by HarmancoreMartin supplies moving head fixtures including MAC One (32 units, first in Finland), MAC Aura XB (44 units), MAC Encore Performance CLD, VDO Atomic Bold, and VDO Sceptron. Core lighting brand for Engine Studio and touring productions.
- AyrtoncoreAyrton supplies Rivale Profile fixtures (32 units, IP65-rated, acquired September 2025), representing a major new lighting partnership. Positioned as the most versatile and multipurpose fixture in its class.
- Event EngineminorEvent Engine is a separate but related company providing exhibition furniture and booth solutions. Referenced on Sound Engine's equipment page as source for exhibition furniture rental.
- Welldone L.R. OyminorWelldone L.R. Oy produced Lynx snowmobile launch events for BRP Finland, with Sound Engine providing technical production. Long-term collaboration relationship.
Scale indicators4 records
Recent moves7 records
Expansion highlights6 records
Sound Engine competitors and assessment
Company assessmentBroad incumbents
- NEP Group: NEP is a global leader in broadcast and live event production services, with mobile studios, LED walls, projection, and multi-camera workflows. NEP's Mobile Studio and Engine Studio's mobile units compete for hybrid/virtual corporate event mandates at much larger scale.
- Production Resource Group (PRG): PRG is the world's largest provider of entertainment and event technology solutions — lighting, video, audio, rigging — and is the global incumbent against which Sound Engine competes for premium concert, corporate, and broadcast productions. It is comparable in offering scope but operates at a vastly larger scale with a global footprint.
Emerging players
- disguise: disguise is a specialist in video/LED production technology and content playback for live events, broadcasts, and immersive experiences. Comparable to Sound Engine on the LED wall, projection, and video side of Engine Studio-style virtual productions.
- German Light Products (GLP): GLP manufactures premium moving-head lighting fixtures used by Sound Engine's competitors and itself in concert and broadcast productions. Comparable as a tier-1 lighting brand competing for the same fixture budgets and touring/corporate clients as Sound Engine.
Others
- L-Acoustics: L-Acoustics is a global premium pro audio manufacturer whose systems are routinely chosen alongside or instead of d&b for concert and corporate productions. It is an ecosystem participant/supplier relative to Sound Engine, defining the audio quality benchmark Sound Engine's fleet is judged against.
- d&b audiotechnik: d&b audiotechnik is a premium professional audio systems manufacturer and a key Sound Engine equipment partner (Y-series, KSL, SL-series, B8). It is an enabler/supplier to Sound Engine rather than a competitor, but the broader d&b ecosystem defines the competitive set Sound Engine sells into.
Direct peers
- Stageco: Stageco is a European specialist in staging, trussing, and rigging for festivals, concerts, and large events. Sound Engine's truss & rigging rental category and Sabaton-style tour work put it in direct competition for the same outdoor staging mandates.
- Solotech: Solotech is a major North American provider of audio, lighting, video, and rigging for live events and broadcast, with a premium-equipment fleet (including L-Acoustics and similar tier-1 brands). It is directly comparable to Sound Engine in business model, fleet composition, and service mix.
- AED Group: AED Group is a European AV rental and event production specialist with extensive pro audio, lighting, and video inventory plus dry-hire distribution. Comparable to Sound Engine as a multi-brand rental and production house serving festivals, corporate, and touring clients.
- Showtec (Netherlands): Showtec is a Netherlands-based event technology provider delivering lighting, sound, video, and staging for corporate, concert, and festival clients. Directly comparable to Sound Engine as a full-service European event technology specialist in the same customer verticals.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
Sound Engine social profiles
Digital presenceSound Engine financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sound Engine leadership team
Management profileNumber of profiles
Profiles10 records
Sound Engine funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sound Engine M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sound Engine
What does Sound Engine do?
Sound Engine is a Finland-based event technology company providing end-to-end event production services — audio, lighting, video/projection, LED walls, multi-camera broadcasts, digital content, and stage structures — for corporate, cultural, and government clients. The company operates Engine Studio, one of Finland's largest virtual event studios in Helsinki Oulunkylä, and offers mobile studio units for on-site virtual and hybrid event production. Equipment rental across six categories (audio, lighting, video/AV, truss and rigging, exhibition furniture, and Vintage AV Shop) is sold alongside full-service production.
Is Sound Engine a public or private company?
Sound Engine is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Sound Engine founded?
Sound Engine was founded in 2003. It employs 11 to 50 people.
Where is Sound Engine based?
Sound Engine is headquartered in Helsinki, Finland, in the Europe region.
How does Sound Engine make money?
Four revenue lines are on record. Event Production Services are the primary driver. The others are engine Studio Virtual/Hybrid Events, equipment Rental and mobile Studio Production.
Who are Sound Engine's main competitors?
Broad incumbents on record are NEP Group and Production Resource Group (PRG). Emerging players are disguise and German Light Products (GLP). Others are L-Acoustics and d&b audiotechnik. Direct peers are Stageco, Solotech, AED Group and Showtec (Netherlands).
Does Sound Engine have an API?
No public API is recorded for Sound Engine.
What industry is Sound Engine in?
Sound Engine's product category is Event Production Services. Its primary akta.pro industry code is MPAGAKAJ, Backline & Musical Instrument Rental, with a secondary code of HSACAFAF, Audio-Visual Equipment Rentals (Sound, Projection, Screens). Its NAICS code is 51229 and its SIC code is 7350.