When your kitchen knife makes a raw potato appear like you’re cutting through a baked potato…you know you made the right knife choice! Also, the weight feels substantial of quality in your hand. Bal... See more
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Review summary
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I purchased the 5-Piece Japanese Master Chef Knife Set and overall the set looks great, feels solid, and cuts really well right out of the box. It’s definitely a big upgrade from your average kitche... See more
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Great product at a reasonable price. Top quality and well packaged. My old knifes were not so sharp and I had a casual way of handling them. Unpacking my new seido knife set, I accidentally cut myse... See more
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Product is exceptional, tremendous quality and value. Only negative is they ship USPS but won't ship to PO Boxes. My main residence is Idyllwild, CA where we do not get mail delivery at individual h... See more
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Company details
Written by the company
Seido Japanese Chef knives: quality, fair priced, high-carbon stainless steel kitchen knives. For the home cook or professional chef. Invest in your self and your kitchen and start preparing better meals today with Seido Master Chef Knives!
Contact info
United States
- 1-833-444-4387
- support@seidoknives.com
- seidoknives.com
4.2
Great
414 reviews
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Replied to 100% of negative reviews
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Best Knife I’ve Owned!
I’ve owned and used a lot of kitchen knives over the years, but this SEIDO chef’s knife is on another level.
From the moment you pick it up, you can tell it’s crafted with intention. The balance is nearly perfect — it feels substantial without being heavy, and the weight distribution makes prep work almost effortless. The handle fits naturally in your hand, giving you excellent control whether you’re doing fine detail work or powering through tougher ingredients.
The blade is where this knife truly shines. It arrived razor-sharp right out of the box and glides through everything — onions, tomatoes, herbs, thick cuts of meat — with clean, precise cuts. No crushing, no tearing, just smooth slices. It holds its edge remarkably well, even after heavy weekly use.
What impressed me most is how versatile it is. It’s equally comfortable mincing garlic paper-thin, breaking down a chicken, or slicing delicate fish. It’s become the knife I reach for 90% of the time because it simply performs.
Beyond performance, the craftsmanship is beautiful. The blade finish and handle design give it a professional, almost artisanal feel — it looks as good as it works.
If you’re serious about cooking — or even if you just want one exceptional knife that can handle nearly everything — this SEIDO chef’s knife is absolutely worth it. It feels like a professional tool at home in your kitchen.
Highly recommend.
18 February 2026
Unprompted review
Reply from Seido Knives
Thank you so much for sharing such a detailed and thoughtful review! We’re thrilled to hear that your Seido chef’s knife has made such a difference in your kitchen.
It’s fantastic to know that the balance, handle, and razor-sharp blade are enhancing both your precision and efficiency, and that it’s become your go-to tool for everything from delicate prep to heavier tasks. We also love that you appreciate the craftsmanship — we aim for knives that are as beautiful as they are functional.
Your recommendation means a lot, and we’re honored that our knife has earned a spot as an essential part of your cooking experience.
—The Seido Knives Team ✨
Very functional and stylish knives.
Very functional and stylish knives.
28 January 2026
Unprompted review
Reply from Seido Knives
Thank you for your feedback! We’re glad to hear you find the knives both functional and stylish — that’s exactly what we aim for: tools that perform beautifully in the kitchen while looking great on display.
—The Seido Knives Team ✨
Damaged knife
I bought a set of knives after using on of them about 4 times the cladding came off. Had I not seen it, it would have ended up in my food. Customer service states it's a defect and is not covered under the warranty. Since I cannot be sure the cladding will hold on the other knives they whole set cannot be trusted.
13 February 2026
Unprompted review
Reply from Seido Knives
We’re sorry to hear about your concern and understand why that would be alarming.
After reviewing the timeline, we see that this set was originally purchased in 2023. While our knives are built for long-term performance, they do require proper care and maintenance over time — including appropriate cleaning (hand wash only), thorough drying, and regular inspection of the blade surface. Over several years of use, factors such as moisture exposure, impact, improper storage, or sharpening techniques can affect the outer cladding layer.
Our Limited-Lifetime Warranty covers manufacturing defects identified within a reasonable period after purchase. Given that this set has been in use for approximately three years, we’re unfortunately unable to classify this as a factory defect or offer a replacement under warranty.
If you’d like guidance on care, sharpening, or evaluating the rest of your set, our support team is happy to help.
We appreciate you bringing this to our attention and value your feedback.
— The Seido Knives Team ✨
I’m really impressed by what I’ve seen…
I’m really impressed by what I’ve seen so far from Seido Knives. From their branding and product presentation to the detailed information on their website, the company clearly prioritizes quality, craftsmanship, and customer satisfaction.
Their knives look beautifully designed with attention to detail, and the materials and construction promise performance that would appeal to both home cooks and knife enthusiasts. I also appreciate the transparency in their product descriptions and the care they put into educating customers about what makes their knives unique.
Communication from the brand has been professional and friendly, which gives me confidence in their service. Looking forward to reviewing the actual product once it arrives!
10 February 2026
Unprompted review
Reply from Seido Knives
Thank you so much for your thoughtful feedback — we truly appreciate you taking the time to share this.
It means a lot that you’ve noticed the care we put into our branding, product presentation, and detailed information. We work hard to ensure our customers feel informed and confident before making a purchase, whether they’re passionate home cooks or seasoned knife enthusiasts.
We’re especially glad to hear that our communication has left a positive impression — providing professional, friendly support is just as important to us as delivering a quality product.
We’re excited for you to receive your knives and experience them firsthand. We hope they exceed your expectations in performance, balance, and craftsmanship. Please don’t hesitate to reach out once they arrive — we’d love to hear your thoughts!
— The Seido Knives Team
BOGUS WARRANTY
A short time after purchase one of the knives from the set developed a crack the entire length of the handle. Seido did not honor the warranty. The knives were well cared for and never in the dishwasher. Not only do they not stand behind their knives they do not honor their own warranty. DO NOT BUY THESE KNIVES
27 January 2026
Unprompted review
Reply from Seido Knives
We’re very sorry to hear about your experience and understand how frustrating this must have been.
To clarify, our Limited-Lifetime Warranty covers defects in materials and craftsmanship. Unfortunately, it does not cover damage from accidental drops, misuse, or normal wear over time — including cracking that can occur due to environmental factors such as temperature or humidity, even with careful hand washing. Handles are inspected and reinforced during manufacturing, but cracks can sometimes develop outside of a defect in materials or workmanship.
We genuinely take all customer concerns seriously and continuously review our processes to improve durability and support. We understand this may feel disappointing, and we appreciate your feedback as it helps us refine both our products and warranty clarity for future customers.
—The Seido Knives Team ✨
Frustrating customer service / misleading warranty
Frustrating and somewhat surprising customer service interaction. I see from other reviews that my experience isn't unique, but it's slightly different in that the defect in my knife is a loose/rattling handle.
When I wrote to report it, I got the story about how the 30 day window (also unrealistic for me as it was a Christmas present) had passed, and therefore they couldn't perform an exchange. What was odd, however, was that they referenced "small chips in the cutting edge" and had determined that they were "normal wear and tear" even though I hadn't mentioned anything about the blade. Which is fine (the blade), incidentally. I even included a video showing the rattling handle. It made me think that this is a common complaint and that they have a negative response at the ready.
When I corrected them, I was told that this STILL didn't qualify for the "lifetime warranty" as they couldn't determine definitively whether a loose handle was a manufacturing defect, even though it's unclear what else it could possibly be. So I guess I'm stuck with it. Strange customer service choice I thought. I'll keep the knife as I still like it (hence 2 stars instead of 1), but I wouldn't recommend them. [Edit, post-response: I see, so it's a Lifetime Warranty, as long as the issue is reported within 30 days. That clears it up. ??]
3 February 2026
Unprompted review
Reply from Seido Knives
Thank you for taking the time to share your experience. We’re genuinely sorry to hear that this interaction left you frustrated—this is never the impression we want to leave.
To clarify for future readers, Seido Knives offers a Limited Lifetime Warranty that covers verified manufacturing defects. We also ask customers to report any defects or damage within 30 days of delivery, as outlined in our Damages and Issues policy, so concerns can be properly evaluated while the condition of the item is still clear.
In this case, the knife was reported beyond 30 days after receipt and after use. While we understand the concern regarding a loose handle, issues reported well beyond the inspection window—especially after use—can unfortunately fall into the category of wear, handling, or environmental factors, which are not covered under the warranty. This limitation is standard across the industry and allows us to apply the policy fairly and consistently.
We also apologize for any confusion caused by references that did not align with your specific concern—this was not intended to dismiss your issue, and we appreciate you pointing it out.
We truly value your feedback and are glad to hear you still enjoy the knife’s performance. While we regret that this situation could not be resolved in the way you hoped, we appreciate you giving us the opportunity to review it and share your perspective.
— Seido Knives Support Team
Wife lovers her knifes
Wife lovers her knifes. Nice product keeps a sharp edge for a long time.
2 April 2025
Reply from Seido Knives
Thank you for sharing! We’re thrilled to hear your wife loves her knives and that they’re holding a sharp edge so well. That’s exactly the experience we aim to deliver — beautiful, functional knives that make cooking easier and more enjoyable.
—The Seido Knives Team ✨
So I want to give almost a 3/4 stars
So I want to give almost a 3/4 stars. But also 5. Reason being we ordered a knife and cuts like butter. But the handle was loose. They were so fast to respond and send us a new knife. Customer service was amazing! But my husband ordered another knife and the handle is very loose on this one. I’m not sure what is with this continued issue. But I hope it’s resolved because we do really like the knife itself and would like to order more but not if this is an ongoing issue
29 January 2026
Unprompted review
Reply from Seido Knives
Thank you for such a fair and thoughtful review — we really appreciate you sharing both the good and the concern.
First, we’re genuinely glad to hear you love how the knives perform and that our customer service took quick care of the first issue. That part matters a lot to us.
Regarding the loose handle, you’re absolutely right to call that out — that is not expected, and it’s not something we want anyone to feel unsure about, especially when considering future purchases. While handles are assembled using reinforced epoxy and mechanical fitting, on rare occasions a handle can loosen due to factors like internal stress during transit or environmental changes (temperature/humidity shifts). That said, having it happen twice is understandably frustrating and not the experience we want associated with our brand.
The important part:
✔️ This is not a widespread or “normal” issue, and
✔️ We will absolutely stand behind resolving it again — properly.
We strongly encourage you to reach back out to our support team with the order details for the second knife. We’ll make sure it’s addressed promptly so you can feel confident using — and ordering — our knives moving forward.
Your hesitation makes complete sense, and we truly appreciate that you still took the time to highlight what you love about the knives themselves. Feedback like this helps us tighten quality checks and improve consistency.
We hope we can earn that full 5 stars from you over time — and more importantly, your trust.
Seido does not stand behind their products
I bought the 8 piece chef set for a Christmas present. After Christmas we were using them and when cleaning I noticed a defect at the cutting edge of one of the knives. I contacted them and was informed that I had 30 days from day of delivery for returns even if it was a factory defect. This is unacceptable of any company to limit the warranty starting from delivery especially at Christmas. Seido should take care of factory defects without hassle.
24 January 2026
Unprompted review
Reply from Seido Knives
We’re really sorry this was your experience, especially with a gift meant for Christmas — that’s understandably frustrating.
To clarify for anyone reading: Seido offers two separate protections, and they work differently:
• 30-Day Return Window – This applies to returns or exchanges for items that are unused or lightly used. This window starts at delivery, which is standard in e-commerce (including during holiday periods).
• Limited-Lifetime Warranty – This covers manufacturing defects, but it does not cover normal wear, edge wear, cosmetic marks from use, accidental damage, or damage discovered after extended use.
In cases like this, once a knife has been used, sharpened, or cleaned, it can be difficult to clearly determine whether a small edge issue occurred during manufacturing or during use — which is why the 30-day inspection window exists. We strongly recommend inspecting knives upon receipt (even if they are gifts) so any concerns can be addressed immediately and without hassle.
That said, we genuinely understand why this felt disappointing, and we agree that gift purchases deserve extra care. Our support team follows the same policy for all customers to keep things fair and consistent, not to dismiss concerns.
Disappointing Return Experience
I purchased a Seido knife set as a Christmas gift — a $350 set. My wife didn’t like the style, so I returned it. The box was unopened and still sealed in cellophane, exactly as received.
Even though the product was completely untouched, I was charged a 20% restocking fee, costing me $70 just to return a brand-new item. I understand policies exist, but charging a steep fee on a sealed, resellable product feels excessive and unfair.
What made it worse is that I ended up spending just a little more on a higher-quality knife set with better reviews and free returns from another brand. That made this experience feel like a penalty for simply trying Seido first.
The knives may be fine, but the return policy left a bad impression. I won’t purchase from Seido again.
16 December 2025
Unprompted review
Reply from Seido Knives
Thank you for sharing your feedback. We completely understand your frustration regarding the restocking fee, and we want to clarify that our 20% fee applies to returns of items that are not damaged in transit or defective, even if unopened, to help cover processing and logistics costs. We certainly don’t intend for it to feel like a penalty, but rather a standard part of ensuring fairness across all returns.
We genuinely value your input and understand how the policy may have impacted your experience. While our knives are crafted to high standards, we appreciate your perspective and will take your feedback into consideration as we continue to improve our customer experience.
—The Seido Knives Team ✨
I love my knives
I love my knives, they are sharp enough to shave with. I purchased the tan canvas/leather roll up bag for them and was disappointed. For $150 that bag should have real leather, not faux leather. Be better.
18 January 2026
Reply from Seido Knives
We’re glad to hear you love your knives and their sharpness! Regarding the roll-up bag, we appreciate your feedback. The leather bag uses high-quality faux leather combined with durable canvas to provide protection, portability, and longevity. We understand the desire for genuine leather, and we’ll keep your input in mind for future product improvements.
—The Seido Knives Team ✨
Cheap Fake “Japanese” knives no better than plastic
We received a set of Seido knives as a gift. 10 months and a handful of uses later one of them snapped in half about an inch from the handle, so the thicker area of the knife. This happened while gently tapping the knife on the edge of a plastic bowl to get a slice of cucumber off. The cucumber stayed on, the knife broke. I was told they have a 30 day limited warranty and this isn’t covered. I was also told they design their knives for durability. Absolutely comical. After this response I reviewed other consumer reviews only to find out this is a common problem and that these purported Japanese knives are a sham. Unless you find them at a garage sale for pricing equivalent to disposable knives you’d do well to avoid this manufacturer at all costs. They will break, the company will not stand behind their cheap fake product, and you will be out your money. Ignore the canned response about how much they are sorry to hear about this. They are not. They know they are making a cheap product, thus the meager 30 day warranty. They know they have no intention of standing behind their product and hide behind CYA verbiage. My knife broke because it is a cheap defective piece of junk, that’s why it broke, not because of improper use. The wise consumer will see right through their empty disingenuous response and stay away. And advise everyone they know to stay away.
18 January 2026
Unprompted review
Reply from Seido Knives
We’re sorry to hear about your experience and appreciate the opportunity to address your concerns. Our knives are made using high-quality Japanese steel and traditional techniques, with careful assembly and finishing to ensure sharpness and balance. While they are “Japanese-inspired” and not manufactured in Japan, the same high-quality materials and craftsmanship standards are applied.
Regarding the knife breakage, our Limited-Lifetime Warranty covers defects in materials or craftsmanship, but it does not cover damage from accidental drops, misuse, or bending—such as tapping against a hard surface—even if done gently. We strongly recommend proper handling and maintenance to preserve the life of your knives.
We understand this can be frustrating and take all feedback seriously to improve our products. We also encourage customers to carefully follow care instructions for maximum durability.
—The Seido Knives Team ✨
$200 knife broke after 2 use, deceptive "japanese" branding
received as a gift. knife broke after 2 use. found out that this was a cheap chinese knife that was rebranded and sold at premium knife by a canadian "entrepreneur" Costantino “Tino” Delnero. They are deceptive in branding that makes it look like they're japanese knife on the website, but actually "Japanese influenced knife" made in china branded on their box. Their whole website is written by AI, and their responses to bad reviews are also written by AI. Live chat never responded to our message.
11 January 2026
Unprompted review
Reply from Seido Knives
We’re very sorry to hear about your experience and appreciate your detailed feedback. To clarify, our knives are crafted using the same high-quality Japanese steel and traditional techniques, but they are assembled outside of Japan. All materials, processes, and craftsmanship are consistent with our standards for durability and performance.
Regarding the broken knife, our Limited-Lifetime Warranty covers defects in materials and craftsmanship, but breakage due to accidental drops or misuse is unfortunately not included. We encourage all knives to be properly maintained, including careful handling and sharpening as needed, to ensure longevity.
We also want to clarify that our live chat support is available only during specific hours. Messages sent outside of these hours may not be answered immediately, but we review all inquiries and respond as quickly as possible during our active support times.
We take all customer concerns seriously and continuously strive to improve both our products and support experience.
—The Seido Knives Team ✨
I did not realize that I'd have to pay…
I did not realize that I'd have to pay the US duty and the knife would not arrive until after Christmas. I ordered at the beginning of November and received the knife Jan 5. Why do I have to pay a US custom when I am in Canada. In the meantime, I have consulted a knife store in my neighborhood (which I should have done in the first place) I am no longer sure that these knives are the best. Never again would I go through this.
13 January 2026
Unprompted review
Reply from Seido Knives
We’re sorry for the inconvenience you experienced. International orders to Canada may incur duties and taxes set by Canadian customs, which are unfortunately beyond our control. These fees are applied by the government upon entry and are standard for most imported goods.
We always strive to provide timely shipping, but customs processing can sometimes delay deliveries beyond our estimated timeframe. We understand how this impacted your holiday plans and appreciate your feedback, as it helps us improve the clarity of our shipping and duty information for future customers.
We hope you’ll still enjoy your knife and the quality it offers, and we’d be happy to assist with any questions about using or maintaining it.
—The Seido Knives Team ✨
Great Knives
The knives are beautiful and very sharp! Very happy with our purchase!
5 January 2026
Unprompted review
Reply from Seido Knives
Thank you so much for your kind words! We’re thrilled to hear that you’re happy with your purchase and that the knives impressed you with both their beauty and sharpness. That’s exactly the experience we aim to deliver.
If you ever need anything or decide to add to your collection, we’re always here to help. Enjoy cooking with your Seido knives! 🔪✨
Great quality
Great quality, and service ! An enjoyable buying experience where every need is fully met! Highly recommend the knives and related sharpening tools. Could not be happier with the product and company.
9 January 2026
Unprompted review
Reply from Seido Knives
Thank you so much for the wonderful feedback! We’re truly happy to hear that you had such an enjoyable buying experience and that both the knives and sharpening tools met your expectations. Your recommendation means a lot to us, and we’re grateful for your support and trust in our brand. Enjoy your knives, and happy cooking! 🔪✨
AWFUL and made in China
Customer service is AWFUL! They made a mistake with shipping and would not help to correct it. I had to pay to get it fixed, too long of a story to go thru. I don’t even care about the knife at this point I will not buy from this company again. Also just know, they’re made in china, Not Japan.
20 December 2025
Unprompted review
Reply from Seido Knives
We’re sorry to hear about your experience. While our knives are assembled outside of Japan, we want to assure you that the same high-quality materials and techniques are used in every knife we produce.
Regarding shipping, if an address is entered incorrectly at checkout, we unfortunately cannot change it once the order has been processed and shipped. In these cases, coordinating directly with the courier is necessary to resolve delivery issues.
We appreciate your feedback and are always working to improve our service.
The Seido Knives Team ✨
knife set is quality made
knife set is quality made. very sharp and asthetic in wood block. very satisfied
8 January 2026
Reply from Seido Knives
Thank you for your kind words! We’re thrilled to hear that you’re enjoying your knife set and that it looks great in your wood block.
The Seido Knives Team ✨
Beautiful Sharp Knives
I have used multiple knives over the past 50 + years. These are the first knives I have owned that remain as sharp as advertised. They are very thin yet extremely strong. I liked them so much I purchased additional knives beyong my initial purchase of 7 knives. I have been using them daily for a couple of months now with a quick "touch up" every 2 - 3 weeks with a diamond stone. I truly expect to use these knives for the next 20 years.
7 January 2026
Unprompted review
Reply from Seido Knives
We’re so happy to hear that your Seido knives have exceeded your expectations! It’s fantastic that they’re holding their edge so well and that you’ve expanded your collection. Here’s to many more years of effortless slicing and cooking enjoyment!
The Seido Knives Team ✨
Great Product for the Price
It's a well made knife, super sharp and seems to be holding its Edge rather well
25 November 2025
Unprompted review
Reply from Seido Knives
We’re thrilled to hear that your knife is performing so well! It’s great to know the sharpness and edge are holding up for you.
The Seido Knives Team ✨
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