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Tab

YC W15

London, GB · Founded 2015 · 9 employees · Hiring · 3 known investors

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Tab operates a social commerce platform for tourism that helps travellers discover, plan, and book trips through recommendations from friends, creators, and local experts, with direct bookings to independent tourism businesses. It also provides those businesses with tools for online presence, direct bookings, and a payment platform supporting over 100 currencies.

Also known as With Tab, Inc.

ConsumerFintechMarketplacesTravel & HospitalityMarketplaceTravelUnited KingdomEuropePartly Remote

Founders & leadership· Y Combinator alumni (W15)

Tab was founded in 2015 by Mark Datta.

MDMark Datta
Mark DattaCEOMark Datta has held roles in finance, as well as at travel and fintech startups. He holds an MBA from Harvard Business School.
AB
Anouska BartlettCOO
FD
Fernando DonosoGrowth Lead
TE
Tarek El-FedawyHead of Engineering
CW
Chris WoodCTO2014–2020
FL
Fergus LeahySenior Developerformer
JW
Jack WestmoreSenior Developerformer
OP
Oliver PlattHead of Engineeringformer

Investors · 3

DeNAreported

How we know: Y Combinator's founder network · Not right? Tell us

Next Legacy PartnersreportedPortola Valley

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 9

TriplyTriply provides an integrated platform for travel businesses in Africa that consolidates payments, invoicing, payroll, accounting, and operational management in one system. The platform helps travel operators reduce administrative complexity and improve operational and sales efficiency.
AncanaAncana operates a fractional co-ownership marketplace for vacation homes in Mexico and the United States, allowing multiple owners to share luxury properties. The platform serves affluent consumers seeking vacation home ownership without the burden of full property management.
WanderlogWanderlog is a travel planning app for researching, organizing, and mapping trips, offering a collaborative document to track plans, discover places and hotels, and share travel advice with others. It targets consumers planning vacations.
VaycayHeroVaycayHero operates an online marketplace for booking professionally managed vacation rentals, with verified listings and automatically updated calendars and pricing. It offers rentals in major US and Mexico destinations, with a travel hub platform that distributes listings to multiple channels and provides a booking concierge.
Ctrip (NASDAQ: TCOM）Trip.com is an international online travel service provider offering hotel and flight bookings across a network of over 1.7 million hotels and 600+ airlines, available in 24 languages and 35 currencies across 39 countries and regions. It provides multilingual customer support to travelers worldwide.
RoomstormRoomstorm operates a real-time B2B hotel room marketplace, with an automated platform that connects airlines to global hotel inventory to provide accommodations to passengers stranded by flight disruptions. It also offers airline teams a web portal for rapidly processing affected passengers.
GetYourGuideBerlin-based online marketplace where travelers book tours, attraction tickets and activities from third-party operators.
AirbnbAirbnb operates an online marketplace where people list, discover, and book accommodations ranging from apartments to villas, for travelers worldwide. It connects hosts with guests across more than 33,000 cities and 192 countries via web and mobile.
OpenTableOpenTable is an online restaurant-reservation service and restaurant table-management software provider, owned by Booking Holdings.

Companies working in the same space as Tab.

Legal entities · 1

corporate structure
With Tab, Inc.

Companies House · registry record

View on Companies House ↗
Insolvency history
Registered name
TAB LIMITED
Company number
04697876
Status
Dissolved
Company type
Private limited company
Incorporated
14 Mar 2003
Dissolved
2 Apr 2011
Registered office
221223 Chingford Mount Road, Chingford London, E4 8LP
Nature of business (SIC)
5143
Accounts
last made up to 31 Mar 2004

Current officers

  • Rosline Obasuyi — secretary, appointed 19 Mar 2003
  • Ibrahim Hamza — director, appointed 11 Oct 2004

Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.

Frequently asked questions

What does Tab do?
Tab operates a social commerce platform for tourism that helps travellers discover, plan, and book trips through recommendations from friends, creators, and local experts, with direct bookings to independent tourism businesses. It also provides those businesses with tools for online presence, direct bookings, and a payment platform supporting over 100 currencies.
Who founded Tab?
Tab was founded by Mark Datta in 2015.
Who are Tab's investors?
Tab's investors include Y Combinator, DeNA, Next Legacy Partners.
Where is Tab headquartered?
Tab is headquartered in London, GB.