O-Ku
O-Ku is a privately held Japanese sushi restaurant chain operating 11 full-service locations across the southeastern U.S. and Washington, D.C., owned by Indigo Road Hospitality Group. It serves fine-dining consumers with sushi, sashimi, omakase ($125-$175), robata, and teppanyaki, plus private events.
- Company typePrivate
- Founded2013
- HeadquartersCharleston, United States
- Headcount11–50
- GTM typeB2C
- OfferingServices
What O-Ku does
O-Ku is a multi-unit Japanese sushi restaurant brand operating 11 full-service locations across the southeastern United States and Washington, D.C., with a twelfth unit in Winter Park, Florida slated for 2025. The concept, launched in 2010 in Charleston, South Carolina and formalized in 2013, is owned and operated by Indigo Road Hospitality Group (IRHG), a Charleston-based hospitality company founded by Steve Palmer. Each location offers a menu centered on nigiri, sashimi, makimono (specialty rolls), robata-yaki, teppanyaki, and a multi-course omakase tasting experience priced at $125-$175 per person, with premium add-ons such as A5 Wagyu and lobster teppan. The beverage program — featuring small-production sake, Japanese whisky, varietally correct wines, and signature cocktails — is a core differentiator, supported by a Certified Sommelier/Sake Advisor wine director at the group level.
The business model is consumer-direct dine-in revenue, supplemented by private event buyouts (10-80+ guests) handled through Tripleseat and gift card sales via Paytronix. Reservations run through OpenTable, marketing runs through Klaviyo email and per-location Instagram/Facebook accounts, and the website operates on BentoBox. Average dinner checks are estimated in the $50-$150 range across the system, with the omakase experience serving as the highest per-cover anchor. There is no delivery, no franchise model, and no e-commerce beyond gift cards.
The company is privately held, with no institutional equity, no venture funding, and no public listing. Growth is funded internally through IRHG and is paced at roughly one to two new units per year. Leadership is concentrated: Steve Palmer as Founder and Chief Vision Officer of IRHG, Kimball Brienza as Managing Partner of O-Ku since 2010, and Masatomo "Masa" Hamaya (Michelin-trained) as Executive Chef and Culinary Director overseeing culinary consistency across the system. The brand has been recognized by Travel + Leisure, Time Out, OpenTable Top 100 (2024), the Washington Post, and the James Beard Foundation (2024 Outstanding Restaurateur semifinalist).
O-Ku firmographics
Firmographics- Name
- O-Ku
- Legal name
- O-Ku Sushi
- Website
- https://o-kusushi.com
- Company type
- Private
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- O-Ku is a privately held Japanese sushi restaurant chain operating 11 full-service locations across the southeastern U.S. and Washington, D.C., owned by Indigo Road Hospitality Group. It serves fine-dining consumers with sushi, sashimi, omakase ($125-$175), robata, and teppanyaki, plus private events.
- Ownership category
- akta.pro rank
O-Ku industry classification
Industry- Product category
- Japanese Restaurants
- NAICS
- Full-Service Restaurants (722511)
- SIC
- Retail-Eating & Drinking Places (5810)
- akta.pro primary industry
- Ethnic & Regional Cuisine Restaurants (THAFACAD)
Keywords
Where O-Ku is headquartered
LocationHeadquarters
- HQ city
- Charleston
- HQ country
- United States
- HQ region
- North America
Offices11 records
Markets served
O-Ku business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Marketing or Sales
Revenue model
- Dine-in Food and Beverage Sales: Core revenue from selling Japanese cuisine including sushi, sashimi, nigiri, specialty rolls, hot plates, and alcoholic beverages (cocktails, sake, wine, beer) to dine-in guests at multiple locations.
- Omakase Tasting Menu: Multi-course chef's tasting menu experiences offered at $125-$175 per person at various locations, requiring reservations with 24-48 hours advance notice.
- Private Event Hosting: Revenue from hosting private events, buyouts, and special occasions with food and beverage minimums required.
- Gift Cards: Sale of gift cards through The Indigo Road platform for O-Ku locations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Pay-as-you-go | Standard Dinner Menu - Individual menu items and plates |
| One time/ perpetual license | Pay-as-you-go | Omakase Tasting Menu |
| Transaction based/ take rate | Pay-as-you-go | Happy Hour Discounted Menu |
| Unit Pricing | Pay-as-you-go | Teppanyaki Premium Items |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
O-Ku product offering
Product offeringCore offering
O-Ku operates a multi-location Japanese sushi restaurant chain serving traditional Japanese cuisine including sushi, sashimi, nigiri, robata-grilled items, and teppanyaki dishes across approximately 11 locations in the southeastern United States. The brand also offers private dining and event services, operating as a concept within the Indigo Road Hospitality Group portfolio.
Product overview
O-Ku is a multi-location Japanese sushi restaurant chain offering authentic Asian cuisine with a regional approach. The core product portfolio includes traditional sushi items (nigiri, sashimi, makimono/sushi rolls), chef-driven Omakase tasting menus, and Japanese cooked entrees (robata-yaki, teppanyaki, hot plates). Supporting offerings include a comprehensive beverage program with specialty cocktails, sake, wine, and Japanese whiskey, plus private event services for groups. The restaurant chain operates 11 locations across the southeastern United States and DC, with additional locations planned.
Differentiator
Problem solved
Functional benefit
Products and services
- O-Ku Sushi Restaurant Dining Full-service Japanese sushi restaurant offering sushi, sashimi, nigiri, robata, and teppanyaki for dine-in customers across 11 locations in the southeastern United States.
- O-Ku Private Dining and Events Private dining and event services for groups, corporate functions, and special occasions featuring the O-Ku Japanese cuisine menu at the brand's southeastern U.S. locations.
Companies that use O-Ku
Customer profileSegments2 records
Ideal customer profiles2 records
O-Ku technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
O-Ku partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- The Indigo Road Hospitality GroupcoreParent company that owns and operates O-Ku brand. Founded by Steve Palmer in 2009, IRHG grew from one restaurant to portfolio of restaurants and hotels across the country. Provides operational infrastructure, marketing, HR, finance, and growth capital.
Scale indicators4 records
Recent moves7 records
Expansion highlights5 records
O-Ku competitors and assessment
Company assessmentDirect peers
- Sushi Nakazawa: High-end omakase-focused sushi restaurant in NYC led by Chef Sushi Nakazawa. Comparable to O-Ku's omakase tier ($125-$175/person) on premium price positioning, omakase experience model, and Michelin-aligned sushi quality.
- RA Sushi: Multi-location Japanese sushi and Asian fusion restaurant chain operating across the US. Comparable to O-Ku as a multi-unit sushi chain with similar price points, broad menu (sushi, specialty rolls, sashimi), and happy hour programming, though positioned slightly more casual.
- Nakato Japanese Restaurant: Long-running upscale Japanese restaurant in Atlanta, GA offering sushi, hibachi, and sake bar. Comparable to O-Ku as a southeastern upscale Japanese competitor; O-Ku's Atlanta GM Fatini Jiap formerly worked at Nakato, underscoring direct market overlap.
- Roka Akor: Upscale Japanese robata and sushi restaurant with locations in major US cities, founded by the team behind London-based Roka. Closely comparable to O-Ku on contemporary robata-yaki grilling alongside sushi/sashimi, premium pricing, and omakase-style offerings.
- Kona Grill: Multi-location upscale American restaurant chain with strong sushi and Asian menu presence across the US. Comparable to O-Ku as a multi-unit sushi-forward chain with bar programs and similar price positioning, though broader in cuisine focus.
- Sugarfish: Multi-location sushi restaurant brand founded in LA by Chef Nozawa and Pete Kelner, known for its "Trust Me" omakase-style set menus. Comparable to O-Ku on sushi-focused multi-unit operations, omakase presentations, and emphasis on fresh fish quality, though primarily West Coast footprint.
- Uchi / Uchiko (Uchi Hospitality): Multi-location upscale Japanese restaurant group founded in Austin, TX by Tyson Cole, now operating Uchi and Uchiko concepts across several US cities. Direct comparable to O-Ku on cuisine, price tier, omakase offerings, and Southeast/US expansion model; notably, O-Ku's Executive Chef Masatomo Hamaya previously led the kitchen at Uchiko Austin.
Broad incumbents
- Benihana: Established nationwide Japanese teppanyaki restaurant chain with long-running US footprint. Comparable to O-Ku as an established multi-unit Japanese concept though focused on teppanyaki tableside experience rather than sushi/omakase.
- Nobu Restaurants: Global luxury Japanese restaurant brand co-founded by Nobu Matsuhisa and Robert De Niro, with flagship locations worldwide. Comparable to O-Ku's higher-end locations on premium positioning, Japanese cuisine innovation, and signature cocktail/sake programs, though at a much larger scale and broader portfolio.
- Zuma: Global contemporary Japanese izakaya-style restaurant brand with locations across major world cities, founded by Rainer Becker. Comparable to O-Ku on upscale positioning, robata-style grills, sushi, sake program, and global brand recognition; broader luxury portfolio than O-Ku's regional focus.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
O-Ku social profiles
Digital presenceO-Ku compliance and trust
Trust signalCompliance2 records
O-Ku financial estimates
Financial estimateRevenue estimate
Valuation estimate
O-Ku leadership team
Management profileNumber of profiles
Profiles1 record
O-Ku funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
O-Ku 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 O-Ku
What does O-Ku do?
O-Ku operates a multi-location Japanese sushi restaurant chain serving traditional Japanese cuisine including sushi, sashimi, nigiri, robata-grilled items, and teppanyaki dishes across approximately 11 locations in the southeastern United States. The brand also offers private dining and event services, operating as a concept within the Indigo Road Hospitality Group portfolio.
Is O-Ku a public or private company?
O-Ku is a private company. It is classified as corporate owned and is currently operating.
When was O-Ku founded?
O-Ku was founded in 2013. It employs 11 to 50 people.
Where is O-Ku based?
O-Ku is headquartered in Charleston, United States, in the North America region.
How does O-Ku make money?
Four revenue lines are on record. Dine-in Food and Beverage Sales are the primary driver. The others are omakase Tasting Menu, private Event Hosting and gift Cards.
Who are O-Ku's main competitors?
Direct peers on record are Sushi Nakazawa, RA Sushi, Nakato Japanese Restaurant, Roka Akor, Kona Grill, Sugarfish and Uchi / Uchiko (Uchi Hospitality). Broad incumbents are Benihana, Nobu Restaurants and Zuma.
Does O-Ku have an API?
No public API is recorded for O-Ku.
What industry is O-Ku in?
O-Ku's product category is Japanese Restaurants. Its primary akta.pro industry code is THAFACAD, Ethnic & Regional Cuisine Restaurants. Its NAICS code is 722511 and its SIC code is 5810.