John J Doyle

What John J Doyle does

John J Doyle Ltd is a privately held, third-generation family business founded in 1928 and headquartered at 5 Duncrue Place, Belfast, Northern Ireland. The company designs, supplies, installs, and maintains chimney, flue, fireplace, and refractory products across three operating divisions: Domestic & Wholesale (exclusive distribution of fireplaces, fires, stoves and chimney/flue products to trade retailers across the island of Ireland, plus direct public sales of chimney and flue accessories); Commercial & Industrial (design, supply and installation of flue systems, Midtherm UV-C air sanitisation and Selective Catalytic Reduction emission control across multiple European sectors); and Refractory Engineering (design, installation and maintenance of refractory linings for boilers, furnaces and incinerators for UK and Irish industrial clients in timber, mills, shipyards, cement, steel, and grocery retail).

Core technology and products include proprietary F600 multifuel flexible flue liners (316 and 904 grades, with lifetime and 35-year warranties respectively), the T600 twin wall flue system (CE, BSRIA, HETAS certified, 10-year warranty), in-house pre-cast refractory manufacturing, and a bespoke fireplace design and stonemasonry service branded as HOTA Bespoke by John J Doyle. The firm holds global exclusive distribution rights for HOTA fireplaces and island-of-Ireland exclusivities for over a dozen other brands including Dinak, Pryzm, Wildfire, Burley, Flamora, Belina, Diamond and the Be Modern Group.

Revenue is generated through a multi-channel go-to-market model combining wholesale distribution to trade retailers (via a GOb2b-powered login-gated B2B e-commerce portal and a Belfast trade counter plus showroom opened in 2016–2017), direct enterprise project sales for Commercial & Industrial flue installations across Europe, dedicated field sales and contracted project delivery for Refractory Engineering in the UK and Ireland, and ancillary direct public retail sales. The customer base spans trade fireplace retailers, large enterprises (Sainsbury's, Waterford Proteins, Walsh Mushrooms, SAM Mouldings, ECC Timber), and architects/specifiers served via the Consultants Corner online consultancy platform.

Name

John J Doyle

Legal name

John J Doyle Ltd

Website

https://johnjdoyle.com

Company type

Private

Founded year

1928

Operating status

Operating

Headcount range

11–50 employees

Short description

John J Doyle Ltd is a 1928-founded, third-generation Belfast-based designer, supplier, and installer of chimney, flue, fireplace, and refractory products, serving trade retailers across the island of Ireland, industrial clients in the UK and Ireland, and commercial/industrial flue customers across Europe.

Ownership category

akta.pro rank

Product category

Chimney, Flue & Refractory Engineering Services

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Power Boiler and Heat Exchanger Manufacturing (332410)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Heating Equipment, Except Electric & Warm Air Furnaces (3433), Steam & Air-Conditioning Supply (4961)

akta.pro primary industry

Water Heater/Boiler Flue, Venting & Chimney Liner Service (HSAOACAF)

akta.pro secondary industries

HVAC Parts & Supplies Retail (Thermostats, Filters, Ducting) (CRAIADAI), Chimney Repair & Restoration (Masonry/Crown/Chase) (HSAEANAC), Outdoor Heating, Fire Pits & Fireplaces Retail (CRAIAIAI), Louvers, Vents & Architectural Grilles (IMADAIAM)

Keywords

• Refractory engineering
• Chimney flue systems
• Fireplace wholesale distribution
• Industrial flue installation
• Emission control solutions

Headquarters

HQ city

Belfast

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Wholesale & Distribution: Wholesale and exclusive distribution of fireplaces, fires, stoves, chimney and flue products to trade retailers across the island of Ireland, supplemented by trade counter and B2B e-commerce (login-gated).
2. Refractory Engineering Services: Design, supply, installation and maintenance of refractory linings for boilers, furnaces and incinerators across industrial sectors (timber, mills, shipyards, cement, steel, grocery retail).
3. Commercial & Industrial Flue System Projects: Design, supply and installation of flue systems across a variety of sectors throughout Europe.
4. Midtherm UV-C Sanitisation Solutions: Specialist UV-C moving air products for safer environments (Infection Prevention Technology).
5. Selective Catalytic Reduction (SCR) Systems: Emission control systems.
6. Direct Public Sales: Sales to public customers (chimney and flue products and accessories) through trade counter.

Pricing tiers

Go-to-market motion5 records

Distribution channels6 records

Marketing channels9 records

Core offering

John J Doyle Ltd designs, supplies, installs, and maintains chimney, flue, fireplace, and refractory products for domestic, commercial, and industrial customers across Ireland, the UK, and Europe. The company distributes premium fireplace brands exclusively across the island of Ireland, manufactures its proprietary F600 and T600 flue systems, and delivers specialist refractory engineering services for industrial boilers, furnaces, and incinerators. It also offers Midtherm UV-C air sanitisation solutions, Selective Catalytic Reduction (SCR) emission control systems, and a free Consultants Corner platform for chimney and flue design and consultancy.

Differentiator

Problem solved

Functional benefit

Brands

• Midtherm UV-C: UV-C air sanitisation specialists focused on moving air for a safer environment.
• F600
• HOTA Bespoke by John J Doyle
• Consultants Corner by John J Doyle

Products and services

• Refractory Engineering Services
• Commercial & Industrial Flue System Projects
• Midtherm UV-C Air Sanitisation Solutions
• Selective Catalytic Reduction (SCR) Emission Control Systems
• F600 Flexible Flue Liner
• T600 Twin Wall Flue System
• HOTA Bespoke Fireplace Service
• Consultants Corner Online Platform

Quantifiable outcome

• 10-year warranty on T600 twin wall flue
• +6 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature7 records

Partnerships

20 partnerships are on record, tiered flagship, core and minor.

• HOTAflagshipOEM/ Whitelabel/ Licensing PartnerJohn J Doyle is the world's only distributors of HOTA fireplaces, supplying Ireland and Northern Ireland. HOTA has worked with John J Doyle in producing fireplaces for the island of Ireland. The HOTA Bespoke by John J Doyle service is an in-house co-branded bespoke fireplace offering produced by JJD's stonemasons and designers from photographs, magazine cuttings, sketches or drawings.
• DinakcoreChannel Partner/ Reseller/ DistributorExclusive agreement with Dinak to supply flue products and accessories to public and trade customers across the island of Ireland. Dinak DW twin wall flue is featured as a key product line.
• F600 (own brand)flagshipStrategic or Co-development PartnerProprietary F600 flexible liner range (316 and 904 grades) — John J Doyle Ltd's own range of multifuel flexible flue liner with a lifetime guarantee. Sold exclusively through John J Doyle channels.
• T600 (own brand)flagshipStrategic or Co-development PartnerProprietary T600 twin wall flue with push-fit joint system, available in stainless steel or black powder-coated finish; CE Mark, BSRIA Certification, HETAS Approved, 10-year warranty. Exclusive to John J Doyle distribution.
• PryzmcoreChannel Partner/ Reseller/ DistributorExclusive distributor for Pryzm fireplaces, fires, and stoves across the island of Ireland. Pryzm electric fireplaces are a signature product line.
• WildfirecoreChannel Partner/ Reseller/ DistributorExclusive distributor for Wildfire fireplaces, fires, and stoves across the island of Ireland. Wildfire gas fire products (Ravel 400/550/600/750/800) carried.
• BurleycoreChannel Partner/ Reseller/ DistributorExclusive distributor for Burley fireplaces, fires, and stoves across the island of Ireland. Featured in the trade showroom.
• FlamoracoreChannel Partner/ Reseller/ DistributorExclusive distributor for Flamora fireplaces, fires, and stoves across the island of Ireland. Flamora timber electric suites and the Livorno suite are featured products.
• BelinacoreChannel Partner/ Reseller/ DistributorExclusive distributor for Belina fireplaces, fires, and stoves across the island of Ireland. Belina 5kW free-standing stove featured.
• DiamondcoreChannel Partner/ Reseller/ DistributorExclusive distributor for Diamond fireplaces, fires, and stoves across the island of Ireland. Diamond iQFX electric fires (timber suites and intelligent eFires) carried.
• Be Modern GroupcoreChannel Partner/ Reseller/ DistributorExclusive fireplaces, fires and stoves trade distributors for Be Modern Group across the island of Ireland. The Flare Collection (timber surrounds, electric fireplaces, wall mounted fires, electric stoves, solid fuel stoves, insert fires) is part of the Be Modern Group.
• Save (Save Flue)minorChannel Partner/ Reseller/ DistributorExclusive agreement with Save to supply flue products and accessories to public and trade customers across the island of Ireland.
• Elgin & HallcoreChannel Partner/ Reseller/ DistributorProud stockists of Elgin & Hall fireplaces, fires and stoves. Featured in the Belfast trade showroom (opened 2017).
• BroseleyminorChannel Partner/ Reseller/ DistributorProud stockists of Broseley fireplaces, fires and stoves. Featured in the Belfast trade showroom (opened 2017).
• EvolutionminorChannel Partner/ Reseller/ DistributorExclusive stockist of Evolution products for the trade counter.
• ExodraftminorChannel Partner/ Reseller/ DistributorExclusive stockist of Exodraft products for the trade counter.
• AproscoreChannel Partner/ Reseller/ DistributorJohn J Doyle Ltd offers Apros vitreous enamel single wall flue pipe. Apros meets the required thickness of 1.6mm for the Republic of Ireland, is HETAS approved and meets all European Standards.
• Ultraflex (Multiflex/Extraflex)coreChannel Partner/ Reseller/ DistributorJohn J Doyle Ltd are stockists of Ultraflex multi-fuel flexible flue liner (316 and 904 grades, with 20-year and 35-year product replacement warranties).
• GOb2bcoreTechnology or IntegrationGOb2b powers John J Doyle's B2B e-commerce platform (shop.johnjdoyle.com) — an integrated b2b ecommerce solution for wholesalers, distributors and manufacturers.
• WebsiteNIminorImplementation/ SI/ Consulting PartnerWebsiteNI created the John J Doyle corporate website (johnjdoyle.com).

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Schiedel: European manufacturer and supplier of chimney and flue systems (twin wall, flexible liners, single wall) serving installers and trade distributors — directly comparable to John J Doyle's domestic & wholesale chimney/flue business, including competing flue liner and twin wall product lines.
• Isokern (by Calderys): Supplies prefabricated chimney and flue systems using refractory and pumice-based materials, overlapping with John J Doyle's chimney/flue and refractory product offering. Both companies also serve the refractory linings segment for industrial boilers and furnaces.
• Dinak (Dinel Group): Manufacturer of stainless steel chimney and flue systems (single wall, twin wall, flexible liners) — John J Doyle holds exclusive distribution rights for Dinak across the island of Ireland, making Dinak a direct product-line comparable whose brand strategy and product roadmap directly shape John J Doyle's offering.

Broad incumbents

• Burley Appliances: UK manufacturer of fireplaces, stoves and heating appliances — listed as a John J Doyle exclusive distribution partner on the island of Ireland, but operates its own direct-to-retailer sales channels in the rest of the UK, making it a comparable appliance manufacturer with overlapping customer base.
• Stovax Heating Group: UK-based manufacturer and distributor of stoves, fireplaces and gas/electric fires with strong trade distribution across the UK and Ireland — directly comparable to John J Doyle's Domestic & Wholesale division, including competing with brands John J Doyle distributes (e.g. Burley, Broseley).
• Poujoulat: Leading European chimney and flue systems manufacturer with a wide product range (single wall, twin wall, flexible liners) and distribution across multiple European markets; competes broadly with John J Doyle's flue product portfolio and could be an alternative supplier to shared trade customers.

Regional players

• Kedel: UK-based online supplier of flue, chimney and fireplace products to trade and DIY customers, competing with John J Doyle's e-commerce and trade counter offering for shared UK end-customers and installer customers outside Ireland.

Emerging players

• Flue & Chimney Supplies: UK trade supplier of flue liners, twin wall systems and chimney components — comparable to John J Doyle's trade counter and online shop for shared installer and trade customer segments in the UK.
• ACR Stove: UK manufacturer of multi-fuel and wood-burning stoves distributed via fireplace retailers in the UK and Ireland, competing with John J Doyle-distributed stove brands such as Burley and Belina for trade shelf space and end-consumer demand.

Peers

• HarbisonWalker International: Large North American/global supplier of refractory products and installation services for industrial furnaces, boilers and incinerators — comparable to John J Doyle's Refractory Engineering division in terms of end-market, service scope and high-temperature industrial application expertise, though operating at much greater scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/John_J_Doyle
• Facebookfacebook.com/johnjdoyleltd
• LinkedInlinkedin.com/company/john-j-doyle-ltd
• Instagraminstagram.com/johnjdoylefires

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about John J Doyle