Whisper Sister
Whisper Sister is a speakeasy-style cocktail bar in Tallinn, Estonia, founded in 2016, serving walk-in guests with classic cocktails and premium spirits, and hosting private venue hire, off-site catering, and cocktail masterclasses.
- Company typePrivate
- Founded2016
- HeadquartersTallinn, Estonia
- Headcount1–10
- GTM typeB2C
- OfferingServices
What Whisper Sister does
Whisper Sister, operated by Estonian private limited company GIBSON OÜ, is a single-location speakeasy-style cocktail bar founded in 2016 at Pärnu mnt 12 in central Tallinn. The venue occupies a historic building that previously housed a post office, bank, hairdresser, and bowling alley, and was created by a group of friends aiming to bring the classic cocktail bar culture of venues in New York and Singapore to Estonia. The bar has been selected for The World's 50 Best Discovery programme, providing international recognition within the premium cocktail segment.
The core offering is on-site cocktail and spirit sales, with classic cocktails and an extensive international spirit list spanning vodkas, gins, tequilas, mezcals, rums, whiskeys, cognacs, brandies, amaros, liqueurs, and fortified wines. Beyond the bar, the company operates three private event spaces — the Living Room (up to 23 guests), the Round Room (up to 36 guests), and the full venue (up to 100 guests) — and offers off-site cocktail catering (set menus, cocktail pairings, degustations) and educational cocktail masterclasses. The company also publishes ZEST~ Magazine, a hospitality industry publication launched in 2020 with distribution across Estonia, Denmark, Latvia, and London.
Whisper Sister generates revenue entirely from in-person hospitality transactions — drink sales, minimum-spend private venue hire, off-site catering, and quote-based masterclasses — and operates with 1–10 employees, no disclosed outside funding, no technology platform, and no mobile application. Customer acquisition is primarily word-of-mouth, supported by the company website, downloadable press materials, and direct email enquiry. There is no AI, software, or recurring-subscription revenue component; the business model is a traditional, craft-driven single-site hospitality operation supplemented by event services and an editorial sub-brand.
Whisper Sister firmographics
Firmographics- Name
- Whisper Sister
- Legal name
- GIBSON OÜ
- Website
- https://whispersister.ee
- Company type
- Private
- Founded year
- 2016
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Whisper Sister is a speakeasy-style cocktail bar in Tallinn, Estonia, founded in 2016, serving walk-in guests with classic cocktails and premium spirits, and hosting private venue hire, off-site catering, and cocktail masterclasses.
- Ownership category
- akta.pro rank
Whisper Sister industry classification
Industry- Product category
- Cocktail Bar & Hospitality Services
- NAICS
- Drinking Places (Alcoholic Beverages) (722410), Drinking Places (Alcoholic Beverages) (7224)
- akta.pro primary industry
- Cocktail Bars & Speakeasies (THAFAEAE)
- akta.pro secondary industries
- Cocktail Lounges & Speakeasies (MPAGAIAD), Spirits Distillery Tours & Tastings (Whiskey, Rum, Gin, Vodka) (THAJAGAF)
Keywords
Where Whisper Sister is headquartered
LocationHeadquarters
- HQ city
- Tallinn
- HQ country
- Estonia
- HQ region
- Europe
Offices1 record
Markets served
Whisper Sister business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Marketing or Sales
Revenue model
- On-site beverage sales: Revenue generated from selling cocktails and premium spirits to bar guests. Drink prices range from €6 to €21 per serve (4cl or 6cl depending on spirit category).
- Venue hire / private events: The bar offers private hire of its Living Room (up to 23 guests), Round Room (up to 36 guests), and the entire venue (up to 100 guests) with minimum spend requirements.
- Pop-up catering services: Off-site cocktail catering for events including set menus, cocktail pairings, and degustations. All catering options come with minimum spend requirements, agreed upon before the event.
- Masterclasses: On-site cocktail masterclasses conducted by the bar's cocktail maestros, suitable for team-building, birthdays, and celebrations. Pricing is quote-based and arranged via email enquiry.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Spirit pours priced individually from €6 to €21 |
| Other | Multi-year contract | Catering and event packages — price on enquiry |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Whisper Sister product offering
Product offeringCore offering
Whisper Sister is a speakeasy-style cocktail bar in Tallinn, Estonia that serves a curated selection of classic cocktails, spirits, and cocktails on tap. It supplements the on-site bar business with private venue hire, off-site cocktail catering, cocktail masterclasses, and spirit degustations. The company also publishes ZEST~, a hospitality industry magazine.
Product overview
Whisper Sister is a speakeasy-style cocktail bar established in 2016, operating as a single-location hospitality business rather than a technology platform. The core offering centers on cocktail bar services and an extensive spirit list, supplemented by venue hire facilities (Living Room, Round Room, and full venue), off-site catering services, cocktail masterclasses, and spirit degustations. The company also publishes ZEST~ Magazine, a hospitality industry magazine launched in 2020. This is a traditional bar/restaurant business with no software products, APIs, or technology integrations.
Differentiator
Problem solved
Functional benefit
Brands
- ZEST~ Magazine: A hospitality industry magazine launched by Whisper Sister in June 2020 as a platform to showcase and appreciate impressive feats in the hospitality industry. The first issue (Autumn 2020) featured 53 pages and 70 physical copies were distributed in Estonia, Denmark, Latvia, and London.
Products and services
- Cocktail Bar Service
Companies that use Whisper Sister
Customer profileSegments3 records
Ideal customer profiles3 records
Whisper Sister technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Whisper Sister partnerships and signals
Strategic signalScale indicators2 records
Recent moves4 records
Expansion highlights4 records
Whisper Sister competitors and assessment
Company assessmentDirect peers
- Operation Dagger: Award-winning Singapore cocktail bar with a hidden, unmarked entrance and a globally recognised cocktail programme. Direct peer on hidden speakeasy concept, classic-modern cocktail focus, and inclusion on World's 50 Best Discovery-adjacent rankings.
- Employees Only: West Village speakeasy-style cocktail bar frequently appearing on World's 50 Best lists. Direct peer in classic-cocktail focus, late-night service, and West/East-meets-classic positioning that Whisper Sister explicitly references.
- Death & Co: Multi-location speakeasy-style cocktail bar in New York that defined the modern craft-cocktail speakeasy format Whisper Sister explicitly models itself on. Direct peer in concept, customer type (cocktail enthusiasts, private events), and beverage-led revenue mix.
- Please Don't Tell (PDT): Iconic New York speakeasy accessed via a hidden entrance inside a hot-dog shop — the original reference point for the 'hidden speakeasy' positioning Whisper Sister markets. Highly comparable on concept, atmosphere, and walk-in reservation model.
- 28 Hong Kong Street: Speakeasy-style cocktail bar in Singapore explicitly cited in Whisper Sister's own inspiration list ('New York to Singapore'). Direct peer on hidden-location speakeasy format and classic-cocktail menu in a major Asian cocktail city.
- Frank Bunker Speakeasy: Speakeasy-style cocktail bar in Tallinn operating in the same local market. Direct peer on hidden speakeasy format, classic-cocktail menu, and Tallinn-resident and tourist customer base.
- The Connaught Bar: London cocktail bar regularly ranked among the World's 50 Best and known for classic, bartender-led service in a refined setting. Direct peer in upscale classic-cocktail positioning and international cocktail-tourist demand.
Others
- Diageo (World's 50 Best partner / spirits supplier ecosystem): Global spirits major whose brands populate Whisper Sister's deep spirit list and which underpins the World's 50 Best Discovery programme that awarded Whisper Sister. Adjacent ecosystem participant rather than a competitor — relevant as a supplier and industry-platform partner.
Broad incumbents
- American Bar at The Savoy: Historic London hotel cocktail bar and perennial World's 50 Best fixture. Comparable as a long-established, internationally recognised classic-cocktail destination, though it operates within a large hotel group rather than as an independent venue.
Regional players
- LCC (London Cocktail Club): Multi-site London cocktail bar group with classic-cocktail focus and themed venues. Comparable as a multi-location cocktail-bar operator in a neighbouring European market; not in Estonia but addresses an overlapping European cocktail-tourist customer.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights7 records
Customer concentration
Whisper Sister social profiles
Digital presenceWhisper Sister financial estimates
Financial estimateRevenue estimate
Valuation estimate
Whisper Sister leadership team
Management profileNumber of profiles
Whisper Sister funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Whisper Sister 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 Whisper Sister
What does Whisper Sister do?
Whisper Sister is a speakeasy-style cocktail bar in Tallinn, Estonia that serves a curated selection of classic cocktails, spirits, and cocktails on tap. It supplements the on-site bar business with private venue hire, off-site cocktail catering, cocktail masterclasses, and spirit degustations. The company also publishes ZEST~, a hospitality industry magazine.
Is Whisper Sister a public or private company?
Whisper Sister is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Whisper Sister founded?
Whisper Sister was founded in 2016. It employs 1 to 10 people.
Where is Whisper Sister based?
Whisper Sister is headquartered in Tallinn, Estonia, in the Europe region.
How does Whisper Sister make money?
Four revenue lines are on record. On-site beverage sales are the primary driver. The others are venue hire / private events, pop-up catering services and masterclasses.
Who are Whisper Sister's main competitors?
Direct peers on record are Operation Dagger, Employees Only, Death & Co, Please Don't Tell (PDT), 28 Hong Kong Street, Frank Bunker Speakeasy and The Connaught Bar. Diageo (World's 50 Best partner / spirits supplier ecosystem) is listed as an others. American Bar at The Savoy is listed as a broad incumbent. LCC (London Cocktail Club) is listed as a regional player.
Does Whisper Sister have an API?
No public API is recorded for Whisper Sister.
What industry is Whisper Sister in?
Whisper Sister's product category is Cocktail Bar & Hospitality Services. Its primary akta.pro industry code is THAFAEAE, Cocktail Bars & Speakeasies, with a secondary code of MPAGAIAD, Cocktail Lounges & Speakeasies. Its NAICS code is 722410.