Designing Rowing Boats, Sailboats and Power Boats. Whether you’re an avid sailor, a wooden boat DIY enthusiast, or simply dream of embarking on your own nautical adventure, we have everything you need to set sail on your favourite waterway. As a trusted platform, we proudly showcase an extensive collection of boat plans meticulously crafted by me, John Welsford, known the world over for my practical plans, expertise and passion. Based in New Zealand

Yacht design and engineering. judel/vrolijk & co have been renowned for over 30 years for their racing yachts which are always successful, taking the top places in nearly all major regattas worldwide. They have also established themselves internationally as leaders in the field of fast cruising yachts and fast motor boats and series production boats. The yacht designers Friedrich Judel and Rolf Vrolijk founded the company in 1978 in Hamburg, Germany. 1986 naval architect Torsten Conradi joined as a third partner. Hamburg, Germany

Yacht design / structural calculations / stability & velocity predictions / building survey fir pleasure and professional sailing & powerboats. Riec sur Belon, France

Established in 1993, cooperating with several European, American, UAE and Australian boatyards, from Elan in Slovenia to Fastlane Marine in Australia and developed more than 150 projects from Crocodile 25' day sailer to PalmerJohnson 92' blue water cruiser. We are working on new designs with our clients that are mainly very expert top level sailors with olympic, GP and even America's Cup pedigree. Sailing on all the yachts we designed we realized that the essence of a good design is in the balance of all the key design features as well as the obvious/visible balance of curves, areas and volumes. Even the most extreme design must be proportional and balanced in all the aspects, to be seaworthy and to perform well all around – what looks good performs well. Slovenia

We offer bespoke design solutions to meet every need and function that you can imagine. From original styling to innovative systems design we provide a full in house service. Our designs are meticulously developed with the latest 3D software to for accuracy of build as well as confidence building visualization. We can also incorporate outside consultants such as your selected interior designer into a seamless process that insures all contributions are single point managed yet accessible to all members of the team. Our commercial designs are available in aluminum or composite and can be designed to meet any required standard. We provide our builders with full CNC output for rapid and accurate construction. Vancouver, British Columbia, Canada

Our main focus is custom yacht design, from concept to launch. Our specialty is to design boats for ocean voyaging; luxury charters; and all-around family cruising. Our mission is to combine an owner's wishes with graceful aesthetics, human-friendly design, competent analysis, maximum performance, robust structure, and classic form. Whether the vessel will be constructed in wood, steel, aluminum or composite, a handsome and functional design is our goal. Nordland, Washington

Superyacht stylists, architects, and interior designers. Ken Freivokh Design is a multi-disciplinary team renowned for creating unique "out of the box" design solutions. The innovative design team’s methodology involves a careful analysis of the client's brief, examination of first principles, lateral thinking and formulation of very special designs, always aimed at raising the bar of excellence. Sarisbury Green, Hampshire, England, UK

We use our expertise to realize our client's vision. Rather than focus on a particular style or type, we posess a thorough knowledge of a variety of vessel platforms to serve any purpose — from ocean going powercats to race-winning sailboats. The common focus is efficiency and style. We also provide consulting services in naval architecture and performance optimization, and welcome small projects. Long Beach, California

KIRILLOFF & ASSOCIATES, INC. is a naval architecture, yacht design, marine design/consulting, and project management firm. Our engineering, design consulting, and project management experience includes Yacht Escort Ships, Shadow Boats, Sportfishing "Mother Ships", Yachts, Passenger Vessels, Casino Vessels/Platforms, Cruise Ships, and various other specialized commercial vessels and platforms and military craft. Green Cove Springs, Florida

Kit Carlier Design is a prominent marine design studio based in beautiful New Zealand – a nation renowned for its love of the water, passion for boat building and sailing prowess. Backed by a team with diverse expertise in the demanding superyacht industry, Kit Carlier Design delivers a complete marine-specific design service. Kit Carlier Design cover all aspects required for a successful project, whether you require a new yacht build or refit, the creation of a bespoke and innovative interior and/or exterior yacht design, leadership through the many technical hurdles of yacht design, manufacturing drawings and CNC files, project and yard support or simply the dressing and styling of the vessel. With a growing global clientele list, Kit and his team are pleased to travel where needed and provide continual support throughout the project. Whangarei, New Zealand

We offer creative solutions that answer today's issues and set new trends to yacht owners and yacht manufacturers who are looking for new opportunities in the yacht market. Kreatif Yacht Design department consists of a wide variety of experts from yacht designers to product designers and from interior designers to architects who combine different approaches from all creative fields and make truly fresh yacht designs. Ljubljana, Slovenia

Custom and Commercial Catamarans and Trimarans. Creating Catamarans, Trimarans, and Proas at the Cutting Edge of Sailing Technology.

Langerman Design is a custom naval architecture and engineering firm specializing in elegant design for modern living and classic yacht restorations. We design and engineer modern yachts based on classic principles and exacting standards, while leveraging the latest innovations in technology. Our passion for perfection and unequaled knowledge of Herreshoff details and methods is world-renowned. The result: beautiful, thoroughbred yachts offering uncompromising performance. We work with the most talented boat builders in the world to make your yachting dream a reality and tailor our collaborative process to suit your individual needs. Bristol, Rhode Island

Lateral Naval Architects provides complete engineering expertise to the superyacht industry, from project conception to delivery. Our core competence is engineering but our unique focus is on meaningful innovation to enable superyachts that meet the demands of today’s owners. Southampton, England, UK

Laurent Giles is a dynamic firm of Naval Architects and yacht designers continuing to drive the boundaries of yacht design through technology. We provide professional independent Naval Architecture and yacht design services to private clients, Yacht Management companies, Brokers and Yards. With a solid foundation of experience built up over eighty five years and over 1300 designs, we are able to offer our Clients a complete yacht design service from concept realisation, development, Naval Architecture and engineering design through to in-build evaluation and independent project support. Lymington, Hampshire, England UK

Innovative Yacht and Marine Designs. Rome, Italy

Lengkeek Vessel Engineering Inc. is a Naval Architecture and Marine Engineering firm with over 30 years experience completing design challenges from small boat design to major conversions for offshore and passenger vessels. Dartmouth, Nova Scotia, Canada

Designers of custom sailboats & powerboats both monohull & multihulls. With more than 30 years experience within the marine industries of New Zealand, Australia and internationally. We offer a complete professional custom yacht design service in most construction mediums. As well as the custom yacht design service fully comprehensive stock boat plans are available in a range of sizes and concepts. Labrador, Queensland, Australia

Lighthouse Naval Architecture is a privately owned company based in Whangarei, New Zealand. With a wealth of experience, gained both locally & internationally, we specialise in providing professional support to ship and boat designers, builders, owners and operators involved with smaller vessels up to 75m. Whangarei, New Zealand

LOMOcean Design provides design and naval architecture services for a wide range of commercial and paramilitary vessels, superyachts and pleasure craft, particularly specialising in the design of wavepiercer catamarans and trimarans. Innovative naval architects and sail and power boats designers, New Zealand based LOMOcean Design (formerly Craig Loomes Design) offer custom boat designs tailored to the specific requirements of each client. The result is an ever expanding range of mono-hull, catamaran, trimaran and wavepiercer designs for the pleasure, commercial (ferry, tug, crew boat, work boat etc), military and super yacht markets, honed in the towing tank and wind tunnel. Auckland, New Zealand

Lorenzo Argento Laurenti has been actively involved with sailing since the age of 12 having his first sailing experiences on lake Garda. Lorenzo, a deep passionate into every aspect of design, graduated in yacht & boat design at the Southampton college. Lorenzo then moved to the Isle of Wight to work for 1 year at SP technologies. He moved back to Italy in 1987 and joined Luca Brenta to found, two years later, the Luca Brenta Yacht Design. As first project at Luca Brenta office, Lorenzo was involved with the two ton admiral's cupper "Marisa". Many more projects followed including 4 boats for Wally, Ghost, the B Yachts series and Chrisco. Milan, Italy

Naval Architect specializing in power boat design and engineering.

MacNaughton Associates yacht and commercial design firm featuring designs stressing strength & long term investment value. Eastport, Maine

Malcolm McKeon Yacht Design creates exceptional yachts for visionary people, taking yacht design to a new level of styling, performance and comfort. Malcolm McKeon has been a leading designer in the superyacht industry for over 30 years. His portfolio includes more than 200 sailing and motor yachts, 50 of them in excess of 30m in length. Malcolm’s inspirational conceptual work, space planning, exterior styling and construction have reaped multiple international design awards. A long-standing association with world-leading shipyards, mast makers, interior designers, equipment and specialist service providers adds an unparalleled synergy to the design process. A green approach to projects, reducing construction and operational costs, is a key consideration for designs of the future. Lymington, Hampshire, England, UK

Super Yacht Design | Production Yacht Design | Raceboat Design. Specialist in large high performance sailing yacht design. We are experienced designers of modern production sailboats and specialist in IMS racing yacht design. Soderkulla, Finland

Manta Marine Design offers a wide variety of Marine Design Services for the leisure and commercial marine industry. Locally in New Zealand, but also worldwide. We can help you with completely new concepts all up to full work preparation information like build kits. We have been involved in many different projects from small boats to big vessels, leisure as well as commercial. This means that we have a broad basis of knowledge and experience that we can serve you with. Besides monohull design we also offer Multihull design (catamaran or trimaran). Waipapa, New Zealand

Marigraph offers solutions for visualization of ship design and engineering in the maritime sector. Our main focus is on graphical presentation of ships using 3D-computer models. We create presentations in any media based on your individual needs. Bremen, Germany

Marine Industrial Design (MID) is a Naval Architecture and Marine Engineering consultancy trusted by our clients to provide proven, independent, reliable engineering solutions to help their businesses succeed. Our team of professional Naval Architects, Marine, Mechanical, Electrical and Design Engineers are ready to provide a blend of innovation and ingenuity, backed up by proven engineering experience. Established in 1996, MID has a history of successful projects and a long list of satisfied clients. Our engineering and design experience means we are recognised throughout the Asia-Pacific region, and further afield, for our reputation for practical and reliable solutions in marine engineering and naval architecture. Devonport, Auckland, New Zealand

Classic good looks, pleasing lines, practical features and excellent performance are the hallmarks of every Mark Ellis design. Whether power or sail, each is marked by a sense of pleasing proportion, meticulous attention to aesthetics and a commitment to quality. Mark Ellis Design is a full service design firm offering one-off designs as well as series-built boat designs in both power and sail. Our impressive portfolio of yachts that includes such notable designs as the Legacy 32 and 42 - two stylish power boat designs fashioned in the traditional lines of down-east cruiser, the Bruckmann 42 cruising sloop, Bruckmann 50 and 50 MkII and the line of Bruckmann Bluestar cruisers are a small portion of the wide range of Ellis-designed yachts that have earned accolades from scores of satisfied owner and the yachting media alike. Essex, Connecticut

Specializing in wooden cruising boats, traditional and modern construction. Plans for seaworthy, affordable cruising boats, sail and power - featuring wood and wood/epoxy construction. Lopez Island, Washington

Yves KINARD, naval architect, Saint Martin (Antilles). We are a company whose principal object is to conceive, build and market all types of boats, sail boats, motor boats, pleasure crafts, fishing, large motor-yachts under European standards.

Providing Naval Architecture and Marine Surveying Services. We are a Naval Architecture and Marine Surveying business which caters for a wide range of vessel types and operations on both the commercial and leisure fleet throughout Ireland, UK, Europe and Worldwide. If you require a bespoke vessel to be designed for your particular needs contact us to discuss your requirements. McCollam Marine have experience in the Passenger Boat, Workboat, Pilot and Patrol, Fishing Vessel and High Speed Craft markets and can design a vessel to suit your particular requirements. Surveys can be carried out on all types of Commercial and Leisure Vessels. These surveys include: Pre-Purchase Surveys, Insurance Surveys, Damage Surveys, Condition and Valuation Surveys. Cushendall, Co. Antrim, N.Ireland, UK

McCurdy & Rhodes provides design and consulting services to individuals, educational institutions, and builders of sail and power yachts. With over 100 commissioned designs and more than 300 custom and production yachts between 22' and 95' built we continue to actively provide design and consulting services worldwide. We have designed some of most popular designs built by the Henry R. Hinckley Inc, Heritage Yachts, Seafarer Yachts, and Intrepid Yachts. Our boats have consistently enjoyed more than their fair share of success in the world's major ocean races under multiple rating rules. Our primary focus is the design and modification of offshore sailing yachts under 100' in overall length. Commissioned custom yachts have been built by Concordia Custom Yachts, Palmer Johnson, Paasch Marine Services, Henry R. Hinckley Inc., Frans Maas, Tillitson-Pearson, and Paul E. Luke, Inc. Oyster Bay, New York

Michael Peters Yacht Design is one of the only firms in the world with expertise in metal, composite and wood construction, which holds a wide array of patents used in a variety of successful yachts. MPYD has enjoyed more than 25 years of critical acclaim in each segment of the marine industry: offshore racing, custom yacht building, production boatbuilding and military design. Sarasota, Florida

Specialising in the design of innovative performance yachts. Performance is our focus, applying a rigorous analysis of conditions and using powerful tools and techniques to develop newer faster yacht designs. Based in Ireland but active around the world, Mills Design is one of most successful design offices of recent years. Since 1996 our boats have won many races and regattas around the world, as well as Boat of the Year titles. Constant development ensures our winning ways continue in the future. Glendale, Kilbride Co. Wicklow, Ireland

America's most prolific multihull designers, power & sail. Morrelli & Melvin has a fantastic track record of designing creative, sound, safe, energy efficient, fun and fast multihulls and monohulls and we go the extra distance to ensure that they get built to our specifications. Our engineering services include rig analysis, multihull velocity prediction (VPP), structures in composites/aluminum/wood epoxy, computer aided design, ship motion studies, 3D renderings/animation, weight analysis, and cost analysis. Our designs include Steve Fossett's Playstation, America's Cup Stars and Stripes catamaran and NACRA A2 catamaran. Newport Beach, California

Mulder Design is an independent company founded in 1979. Specialised in the design, naval architecture and engineering of custom- and semi-custom designed mega yachts. Dutch design to be build anywhere in the world. Since 1980 over 500 Mulder Designed yachts have been built. Amstelveen, Netherlands

One of the world's oldest surviving yacht design businesses, the company of A.Mylne & Co has flourished since 1896. The Mylne name carries enormous respect globally, and is cherished by those who have owned or sailed in a Mylne yacht. We are now developing new designs with the Mylne name, and making some of the existing Mylne designs available for recreation through selected build partners. The Mylne design office is most famous for it's sailing yachts, which were fast, beautiful, and well built. Working with our partners Regen Nautic in the USA, the Mylne yacht design team are now able to offer fully tailored all electric or hybrid propulsion systems for yachts of all sizes. Limekilns, Fife, Scotland

There is no such thing as a universal concept of what an ideal boat should be. Whatever your opinion, Nauta Yachts can turn your vision into a yacht. Nauta Design conceives on their own all the preliminary project of a yacht. This is the phase when the "look" of the yacht is born: from the initial concept, a simple sketch that often holds the core to the distinguishing features of the yacht-to-be, we take care of every aspect of the aesthetic and functional approach of the project, with the drawings of the general plans, the hull design and the modelling of the superstructure, the interior and deck layout, and the sail plan. Milano, Italy

Naval Architectural Services is a Malta based company having as its main aim that of offering World Class marine design, survey and consultancy services to the shipping, superyacht and offshore sectors. Our Offices are located literally a stone-throw away from Palumbo Malta Shipyards, walking distance from the World renowned C&N Grand Harbour Marina and within easy reach of all major yards and marine service providers on the island. Our Surveys include Super Yachts, Super Yachts, and Cargo Surveys. Paola, Malta, Europe

Navaldesign & Consulting began its activities in 1997, involved mostly in pleasure crafts design and technical management for various Italian shipyards. Our mission is the develompent and delivery of naval and marine designs aware of the state of the art and the most recent technologies. Napoli, Italy

NETSCo’s broad range of naval architecture and marine engineering services allow us to support your vessel from concept through construction to delivery. Our engineers continuously evaluate new and emerging technologies, assessing the potential for use in our clients' projects. Today NETSCo is one of the most respected maritime engineering firms in the United States. Our specialists offer an array of innovative designs including advanced technology and construction of complete ship, tug, and barge designs of all types. Locations in Columbia Station, Ohio and Tampa, Florida

Newport Yacht Builders is a full-service yacht design, new build, and yacht refit enterprise based in Newport, Rhode Island. Delivering on a shared commitment to innovation, collaboration, and the highest quality, the leaders of Newport Yacht Builders leverage 50-plus years of relevant marine-industry experience in every project. Jim Thompson, Ezra Smith, and Ashley Reville Hill provide design, build, and project management, giving clients a seamless experience in new build and yacht refit from concept through delivery. Newport, Rhode Island

The Alden Design Office was founded by John G. Alden in 1909 and his design office was, by 1932, known worldwide in part due to his "Malabar" design's success on the offshore racing scene. After 99 years in business, the Alden design firm closed in 2008 and the plans were donated to the Hart Nautical Collection of MIT Museum. Most of the collection was cataloged and scanned by the Alden holding company under the direction of Niels Helleberg, a designer at Alden since 1971. Helleberg continued providing design and print services until closing his office in January 2014. Cambridge, Massachusetts

High Performance Yacht Design. Catamarans, Trimarans, Sail, Power & Racing Boats. Over the past three decades we've been privileged to be involved at the cutting-edge of Offshore Racing Multihull development. Just as exciting to us is applying some of the slippery technology to all kinds of other vessels – both power and sail. Ashburton, Devon, England, United Kingdom

Alloy Boat Plans & Kitset design work for boat builders. Power catamarans, sportfishing boats, dive boats, passenger transfer boats, glass bottom boats, barges, landing craft, and more. Te Puke, New Zealand

Nuvolari - Lenard is one of the most active Yacht Design firm in Italy and certainly among the largest in the world. Nuvolari Lenard is well known for its Italian Style. Nuvolari Lenard performs concept design, naval architecture, exterior styling, architecture and takes care of the yacht since the beginning of the project until the delivery. Designing Large Yachts and Superyachts. Venice - Italy

Ocean5 is a leading international naval architecture firm, providing comprehensive technical services for the world's marine industry. Ocean5 is able to provide premium naval architecture services to boat owners, production boat builders, custom yacht builders, commercial ship builders, and megayacht builders both locally and abroad. Ocean5 provides a broad suite of expert services including hull design, structural analysis and design in composite and ferrous and non-ferrous metals, stability and hydrostatics, systems design, arrangements and space planning, regulatory and classification body design and documentation for planning, displacement, and semi-displacement vessels. Stuart, Florida

Oceantech Design is a multi disciplined marine design firm located in Adelaide, South Australia that exports high quality pre-cut designs worldwide. Oceantech has extensive experience with the design and build of all forms of commercial vessels. We have an extensive range of vessels on file from large steel fishing vessels to small aluminium tenders. Largs North, Adelaide, South Australia

Focuses on the design and conception of both motor and sailboats of any size and function