Slab Sharks Inc.

What Slab Sharks Inc. does

Slab Sharks Inc. is a Canadian eBay consignment service specializing in trading cards and collectibles, headquartered in Mississauga, Ontario. Founded around 2022, the company operates as a consignment intermediary that lists, photographs, describes, manages, and sells sports cards, TCG (trading card game) products, and related collectibles on eBay on behalf of individual collectors, group breakers, and local card shops. The company self-positions as the "#1 eBay consignment business in Canada." Core products include scheduled weekly eBay auctions (Thursday for sports cards, Saturday for TCG), a customer-facing web portal at app.slabsharks.com, a tiered consignment commission structure that returns 80-90% of sale proceeds to sellers, a "Shark Coins" loyalty program, and an "APEX Auction" product line. The company has built an affiliate drop-off network with directors across at least seven Canadian provinces (BC, AB, ON, QC, NB, NS) and operates a branded merchandise shop for apparel and hobby accessories.

The underlying technology stack is built on top of eBay's marketplace infrastructure rather than proprietary systems, with a custom customer web portal handling consignment intake and tracking. The company participates in the eBay Partner Network, generating affiliate commissions on referred buyer traffic. No proprietary technology, AI/ML systems, or patents were disclosed. Physical operations include headquarters in Mississauga, Ontario; a Canada Post mailbox in Brampton, Ontario; and a US operations support location in Farmington, Minnesota.

Revenue mechanics rest on three legs: (1) consignment commission take rates typically ranging from 10-20% of gross sale value retained by Slab Sharks, (2) eBay Partner Network affiliate commissions on buyer traffic generated through the company's channels, and (3) direct merchandise sales. The customer base is fragmented across individual collectors, hobbyists, group breakers, and small card shops, with no disclosed enterprise or institutional clients.

Name

Slab Sharks Inc.

Legal name

Slab Sharks Inc.

Website

https://slabsharks.com

Company type

Private

Founded year

2022

Operating status

Operating

Headcount range

11–50 employees

Short description

Slab Sharks Inc. is a Canadian eBay consignment service that lists, sells, and ships sports cards, TCG products, and collectibles on behalf of individual collectors, group breakers, and hobby shops via a multi-provincial affiliate drop-off network and tiered commission model.

Ownership category

akta.pro rank

Headquarters

HQ city

Toronto

HQ country

Canada

HQ region

North America

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Supply Chain

Revenue model

1. Consignment Transaction Fees: Slab Sharks charges commission on each card sold through their eBay store. Sellers receive tiered percentages based on sale price, ranging from 90% for items over $10,000 to 80% for items under $50. The company handles photography, listing creation, customer inquiries, and shipping.
2. eBay Affiliate Commission: Slab Sharks is an affiliate in the eBay Partner Network, earning commissions when users click links and make purchases on eBay.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels4 records

Core offering

Slab Sharks Inc. provides full-service eBay consignment for trading cards and collectibles, accepting cards from Canadian sellers and handling photography, listing creation, customer inquiries, dispute resolution, and shipping. The company runs weekly auctions (Thursdays for sports cards, Saturdays for TCG/non-sports) and also sells Slab Sharks branded apparel and hobby accessories through its merchandise shop.

Product overview

Slab Sharks Inc. operates a card consignment and auction platform built around weekly eBay-based sales. The core offering consists of the Slab Sharks Auctions (Thursday sports auctions, Saturday TCG/non-sports auctions), Consignment Services, and the Customer Portal for managing submissions and payments. This is complemented by an Affiliate Partner Network of drop-off locations across Canada, Drop-off and Local Pickup services at their Mississauga headquarters, and the Shark Coins loyalty program. Secondary revenue comes from the Merchandise Shop selling Slab Sharks branded apparel and accessories. The company positions itself as Canada's premier eBay consignment service for trading card collectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Consignment Services Card consignment service allowing individual sellers and small businesses to submit sports cards, TCG cards, and collectibles for sale. Slab Sharks handles photography, eBay listing creation, customer inquiries, dispute resolution, and shipping, charging a tiered commission on each sale.
• Slab Sharks Auctions Weekly online auctions for sports cards, TCG products, and collectibles. Thursday auctions feature sports cards while Saturday auctions feature non-sports and TCG items; items are listed for 7 days starting at $0.99.
• Slab Sharks Customer Portal Web-based portal for managing consignments, submitting items, tracking auction status, viewing payment reports, and accessing the Shark Coins rewards program.
• eBay Store Integration Sales channel through eBay where all auction items and fixed-price listings are hosted, leveraging the eBay platform for buyer reach and transaction processing.
• Drop-off and Local Pickup In-person card drop-off service at the Mississauga headquarters by scheduled appointment, plus shipping options via FedEx, UPS, Purolator, and Canada Post.
• Slab Sharks Merchandise Shop Branded merchandise including hoodies, t-shirts, sleeves, and hockey jerseys available for purchase using Shark Coins loyalty rewards or direct cash sale.
• Affiliate Partner Network Network of consignment drop-off locations across Canada operated by affiliate hobby shops and collectors, expanding regional access to Slab Sharks consignment services.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

20 partnerships are on record, tiered core and minor.

• Let's Collect CardscoreChannel Partner/ Reseller/ DistributorDrop-off location for Slab Sharks consignments in Burnaby, BC. Richard, the affiliate director for British Columbia, serves as the local contact point for the Greater Vancouver area. Accepts break winnings from live streams and local submissions.
• Sports Card Live (Jeremy Lee)coreChannel Partner/ Reseller/ DistributorJeremy Lee is a 40+ year collector, YouTube/podcast host for Sports Card Live, and business development lead for TAG Grading. Serves as affiliate director for Alberta.
• Total Sports Cards & Collectibles (Grant Paterson)minorChannel Partner/ Reseller/ DistributorDrop-off location in the Greater Toronto (Lakeshore) area. Grant Paterson (GP) operates a popular YouTube channel and break service. Consignments can be dropped off locally.
• Top Prospects / Hope Club Collectibles (Cyril and Frances)coreChannel Partner/ Reseller/ DistributorLocated in Greater Toronto (Etobicoke). Offers local drop-off and direct consignment service at card shows across Canada. Community-focused hobby shop.
• KD CollectiblesminorChannel Partner/ Reseller/ DistributorKevin operates the popular Pokemon Cards Canada: Buy and Sell group and offers PSA submission services. Expands Slab Sharks' Pokemon inventory.
• Elite Cards TorontominorChannel Partner/ Reseller/ DistributorFamily-owned business founded by brothers Christopher and Daniel Dirracolo with their father Sam Dirracolo. 30+ years of sports card industry experience. Offers fair prices and exceptional service.
• 416 Cards (Chris Bassett)coreChannel Partner/ Reseller/ DistributorDirector of Affiliates for Ontario. Chris is a passionate hockey card collector with 15+ years of experience, specializing in modern hockey cards.
• 204 BreaksminorChannel Partner/ Reseller/ DistributorOne of Canada's oldest and most reliable group breakers, operating for over 9 years. Offers breaks for all major sports and TCG products. Active Facebook presence.
• SWS Cards (Husam Mahmood)minorChannel Partner/ Reseller/ DistributorBrampton-based collector and investor. Sam has organized successful shows and exchange nights in the Brampton community. Also Operations Assistant at Slab Sharks Inc.
• N.D. Sports CardsminorChannel Partner/ Reseller/ DistributorAuthorized PSA card submitter in Vaughan, Ontario. Handles customer cards with care - cleaning, new sleeves, and semi-rigid packaging before shipping.
• WaxBox ClubminorChannel Partner/ Reseller/ DistributorVaughan-based destination for trading cards and collectibles. Wide selection of sports cards, hobby boxes, and retail products.
• SlabShot SCminorChannel Partner/ Reseller/ DistributorBased in Windsor, Ontario. Handles Slab Sharks consignment drop-offs for Southwestern Ontario region.
• United CollectionminorChannel Partner/ Reseller/ DistributorGrowing hobby shop in Chicoutimi, Quebec. Antoine Froment provides drop-off location for Slab Sharks services in the region and offers pickup services for high-end cards.
• TW Sports CardsminorChannel Partner/ Reseller/ DistributorMontreal-based hobby shop opened November 1, 2015. Now operates locations in Charlemagne, Quebec and is one of Quebec's most renowned hobby shops.
• La TornademinorChannel Partner/ Reseller/ DistributorDiamond dealer located in Vaudreuil-Dorion, Quebec. Offers a wide variety of products including Hockey, Baseball, Basketball, Football, Pokemon, Magic, and Formula 1.
• HeatersminorChannel Partner/ Reseller/ DistributorQuebec-based break company founded in 2020. Known for daily live streams with visual effects and animations starting at 8pm. Nearly 20,000 subscribers across platforms. Active at card shows across Canada.
• LTS Collectibles (Sylvain Cormier)coreChannel Partner/ Reseller/ DistributorMoncton, New Brunswick-based seller and Director of Affiliates for Eastern Canada. Regularly participates in local shows in Moncton and Halifax. Helps administer Slab Sharks Atlantic Canada Facebook group.
• Strictly Canadians (Jeff Jones)minorChannel Partner/ Reseller/ DistributorHalifax, Nova Scotia-based collector with 33 years of experience. Manages Strictly Canadians Facebook group (8 years). Helps direct Slab Sharks Atlantic Canada Facebook group.
• Evan HarrounminorChannel Partner/ Reseller/ DistributorAlberta-based collector with active Instagram presence (@yychockeycards). Participates in shows across Canada and the US. Handles consignments throughout Alberta province.
• eBay Partner NetworkcoreGTM or Marketing PartnerSlab Sharks is an affiliate in the eBay Partner Network, earning commissions when users click links and make purchases. Their main sales channel is through their eBay store.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• Probstein123: Probstein123 is a long-running high-volume eBay consignment seller for sports cards and memorabilia, operating on a very similar eBay-storefront + take-rate model to Slab Sharks. Direct competitor for consignor volume, though primarily US-based.
• PWCC Marketplace: PWCC is the largest US-based sports card consignment and auction house, operating on a similar eBay-integrated model to Slab Sharks but at substantially greater scale. Directly comparable in core service (card consignment, auction, take-rate fees) and customer type (collectors liquidating graded cards).
• Goldin Auctions: Goldin is a leading collectibles auction house specializing in high-end sports cards, memorabilia, and trading cards. Comparable to Slab Sharks in serving the consignment-driven sports card/collectibles market, though at a much higher ASP tier and operating its own auction platform rather than relying on eBay.
• Sportscard Investor: Sportscard Investor operates card consignment, auctions, and a market-data platform for sports card investors. Comparable to Slab Sharks in consignment-driven card selling and customer overlap (collectors seeking liquidation), with the addition of a pricing/data analytics layer Slab Sharks lacks.

Broad incumbents

• Dave & Adam's Card World: Dave & Adam's is one of the largest US sports card and memorabilia retailers, offering retail, consignment, and auction services. Comparable to Slab Sharks in serving the card collector market with consignment and hobby accessories, though at much larger scale and with their own storefronts.
• Heritage Auctions: Heritage is a large, established auction house spanning sports cards, comics, coins, and many other collectibles categories. Comparable in consignment model for sports cards and TCG, with broader category coverage and a stronger US/global footprint than Slab Sharks.
• Fanatics Collect: Fanatics Collect is the collectibles marketplace launched by Fanatics, focused on authenticated sports cards and memorabilia trading. Comparable to Slab Sharks in addressing card collector liquidity needs, though with proprietary platform infrastructure and a much broader capital base.

Others

• Cardboard Connection: Cardboard Connection is a sports card media and price-guide resource that also facilitates marketplace listings. Comparable to Slab Sharks as an adjacent ecosystem player serving the same card collector audience, though not a direct consignment competitor.

Regional players

• Steel City Collectibles: Steel City Collectibles is a US-based hobby shop and eBay consignment seller specializing in sports cards and TCG. Comparable to Slab Sharks in service offering (card consignment via eBay + hobby retail), serving a different geography.

Emerging players

• Loupe (formerly PWCC Live): Loupe is a real-time sports card marketplace and auction platform spun out of PWCC. Comparable to Slab Sharks in providing card auction/liquidity for collectors, with stronger live-auction technology and a US-centric user base.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCAjnJ8SGq29V_1wf90nnv4A
• Facebookfacebook.com/groups/slabsharksinc
• Instagraminstagram.com/slabsharksinc/?hl=en
• LinkedInlinkedin.com/company/slab-sharks-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Slab Sharks Inc.