Sonesta International Hotels Corporation Headquarters & Corporate Office

About Sonesta International Hotels Corporation

Sonesta International Hotels Corporation is a global hotel ownership, management, and franchising company based in Newton, Massachusetts. Its portfolio spans luxury, upscale, select-service, extended-stay, midscale, and economy hotels through brands including The Royal Sonesta, The James, Classico Collection by Sonesta, Sonesta Hotels, Resorts & Cruises, MOD Collection, Sonesta Select, Sonesta ES Suites, Sonesta Simply Suites, Sonesta Essential, Red Lion Hotels, Signature Inn, Americas Best Value Inn, and Canadas Best Value Inn.

Sonesta has expanded substantially through acquisitions, franchising, and hotel conversions. Current 2026 company information describes Sonesta as the 8th-largest hotel company in the United States, with approximately 1,100 properties, about 100,000 guest rooms, 13 brands, and operations in 11 countries.

A significant leadership change took effect on April 1, 2026, when Keith Pierce and Jeff Leer became Co-Chief Executive Officers. Sonesta has also continued shifting toward a franchise-first, asset-right growth strategy, reporting 22 openings during the first half of 2026 following record franchise growth in 2025.

Quick Information

Corporate Phone Number

1-800-SONESTA

Current Sonesta headquarters materials publish this number with the company’s Newton headquarters.

Customer Service Number

1-855-622-2160

Additional Customer Care number

1-617-658-0078.

Corporate Office Address

Sonesta International Hotels Corporation
Two Newton Place
255 Washington Street, Suite 230
Newton, MA 02458
United States

This is the headquarters address published by Sonesta’s current Newsroom contact page.

Headquarters Address

Sonesta International Hotels Corporation
Two Newton Place
255 Washington Street, Suite 230
Newton, MA 02458
United States

Email

Media: sonesta@finnpartners.com

Franchise Development: development@sonesta.com

Privacy: privacyinquiries@sonesta.com.

Industry

Hotels, Hospitality, Lodging, Resorts, Extended Stay, Hotel Management and Franchising

Current Leadership

Keith Pierce, Co-CEO

Jeff Leer, Co-CEO

Both appointments became effective April 1, 2026.

Number of Hotels

Approximately 1,100 properties

Number of Guest Rooms

Approximately 100,000 rooms

Number of Brands

13 brands

Current operations extend across approximately 11 countries.

Corporate Office Hours

Sonesta does not publish general public walk-in hours for the headquarters.

Franchise Development publishes weekday availability of

8:30 AM to 5:00 PM ET.

Website

https://www.sonesta.com/

Investor Relations / Careers Page

Sonesta International Hotels Corporation is privately held and does not operate conventional public-company Investor Relations.

Careers

https://careers.sonesta.com/

Sonesta International Hotels Corporation Products & Services

The Royal Sonesta

The Royal Sonesta is Sonesta’s upscale and luxury-oriented hotel brand, with destination properties offering elevated accommodations, dining, meetings, and leisure experiences.

The James

The James focuses on upscale hospitality with contemporary design, localized dining, bars, and guest experiences tailored to major destination markets.

Classico Collection by Sonesta

Classico is a soft-brand collection focused on distinctive hotels that retain individual character while gaining access to Sonesta’s reservation, loyalty, and commercial systems.

Sonesta Hotels, Resorts & Cruises

This brand encompasses full-service hotels and resorts serving leisure and business travelers.

Properties can include restaurants, event facilities, pools, fitness facilities, resort amenities, and destination-focused experiences.

MOD Collection by Sonesta

MOD Collection is a flexible soft brand aimed at contemporary, independent hotels.Sonesta continued expanding MOD during 2026, including additional resort affiliations.

Sonesta Select

Sonesta Select provides affordable, modern hotel accommodations with spacious guest rooms and convenient amenities for business and leisure stays.

Sonesta Essential

Sonesta Essential is positioned in the select-service and midscale lodging market.The brand is designed around essential guest amenities and operational flexibility.

Sonesta ES Suites

Sonesta ES Suites serves extended-stay guests with larger accommodations designed for longer visits.Many properties offer kitchens or kitchenettes, living spaces, breakfast, laundry, and other extended-stay features.

Sonesta Simply Suites

Sonesta Simply Suites provides extended-stay accommodations with practical room layouts and amenities for longer visits.

Red Lion Hotels

Red Lion Hotels operates primarily in the U.S. select-service and leisure lodging market.The brand became part of Sonesta’s broader portfolio following its expansion through Red Lion Hotels Corporation.

Red Lion Inn & Suites

Red Lion Inn & Suites provides value-focused lodging with essential amenities and regional hospitality.

Signature Inn by Sonesta

Signature Inn combines economy lodging with retro-inspired design and a more distinctive lifestyle-oriented guest experience.

Americas Best Value Inn

Americas Best Value Inn provides economy lodging focused on value, basic amenities, and convenient locations.

Canadas Best Value Inn

Canadas Best Value Inn extends Sonesta’s economy portfolio into the Canadian lodging market.

Hotel Reservations

Guests can reserve Sonesta-brand hotels through:

1-800-SONESTA

Red Lion family reservations use

1-800-REDLION.

Sonesta Travel Pass

Sonesta Travel Pass is the company’s loyalty program.Members can earn and redeem points, access member rates, and progress through loyalty status levels based on qualifying stays.

Meetings and Events

Sonesta hotels provide meeting rooms, conferences, corporate gatherings, and special-event services.More than 120 locations currently advertise meeting space through Sonesta’s events platform.

Weddings and Social Events

Participating Sonesta hotels can host weddings, reunions, social gatherings, and other private events.

Facilities and catering vary by property.

Travel SOS

Travel SOS is designed for guests who need last-minute accommodation following travel disruption.

Support number

1-844-STAY-SOS.

Hotel Franchising

Sonesta actively franchises multiple hotel brands.

Franchise Development

617-658-1596

development@sonesta.com

https://franchise.sonesta.com/

Sonesta International Hotels Corporation Corporate Phone Numbers

Corporate Phone Number

1-800-SONESTA

Corporate Headquarters Number

1-800-SONESTA

Headquarters Number

1-800-SONESTA

Corporate Office Number

1-800-SONESTA.

Customer Service Number

1-855-622-2160

Customer Support Number

1-617-658-0078.

Toll-Free Number

1-800-SONESTA

Sonesta Reservations Number

1-800-SONESTA

Red Lion Reservations Number

1-800-REDLION.

Travel SOS Number

1-844-STAY-SOS

Franchise Development Number

617-658-1596

Franchise Development Email

development@sonesta.com.

Privacy / Compliance Number

855-251-0649

This is Sonesta’s published Compliance Hotline for privacy and related complaints.

Privacy Email

privacyinquiries@sonesta.com.

Sales Number

Sales contacts vary by hotel, group size, market, and event type.Customers should contact the selected property or Sonesta events team.

Billing Number

No single universal hotel-billing phone number is published.Guests should start with the property that charged the account and escalate through Sonesta Customer Care if needed.

Regional Office Number

No universal regional-office number is published.

Branch Office Number

Each Sonesta hotel has its own direct contact information.

International Number

For Customer Care

+1-617-658-0078

Emergency / After-Hours Number

Hotel front desks handle property-level urgent guest matters.For emergencies requiring police, medical, or fire response, contact local emergency services.

Investor Relations Number

Not applicable in the conventional sense because Sonesta is privately held.

Media / Press Email

sonesta@finnpartners.com.

Human Resources Number

No universal public recruiting number is prominently listed.

Careers

https://careers.sonesta.com/

Reservations / Booking Number

1-800-SONESTA

How to Reach a Real Person at Sonesta

For an existing hotel stay or property-specific concern, start with the hotel’s front desk or General Manager because the property can immediately investigate room condition, billing, amenities, housekeeping, reservation, and staff issues. Keep your confirmation number, hotel name, check-in and checkout dates, room number, and receipt available.

If the hotel does not resolve the matter, contact Sonesta Customer Care at 1-855-622-2160 or 1-617-658-0078. Explain what the hotel has already done and provide any existing complaint reference.

For reservations, use 1-800-SONESTA. For privacy or compliance matters use 855-251-0649 or privacyinquiries@sonesta.com. This is preferable to sending sensitive privacy complaints through ordinary hotel guest channels.

Sonesta International Hotels Corporation Headquarters & Corporate Office Address

Current Headquarters

Sonesta International Hotels Corporation
Two Newton Place
255 Washington Street, Suite 230
Newton, MA 02458
United States

This is the headquarters address currently published on Sonesta’s official Newsroom contact page.

Corporate Office

Sonesta corporate materials also continue to use

400 Centre Street
Newton, MA 02458
United States

for legal, compliance, franchise, privacy, meetings, and other corporate functions.

Mailing Address

For ordinary headquarters contact, current Newsroom materials use

Two Newton Place, 255 Washington Street, Suite 230, Newton, MA 02458

Other Important Address

Privacy and Compliance correspondence

Sonesta International Hotels Corporation
Chief Compliance Officer
400 Centre Street
Newton, MA 02458

How to File a Complaint Against Sonesta International Hotels Corporation

Sonesta complaints may involve reservations, refunds, room quality, housekeeping, billing, staff behavior, loyalty points, accessibility, privacy, franchise-property service, or another hotel experience. Keep the reservation confirmation, hotel name, dates, room number, receipts, photographs, and prior correspondence before escalating.

Step 1: Contact Customer Service

For a problem during a stay, first contact the hotel’s front desk. If the stay has ended or the hotel cannot resolve it, call Sonesta Customer Care at 1-855-622-2160 or 1-617-658-0078. Provide the reservation details and explain the requested remedy.

Step 2: Contact the Relevant Department

Reservation questions can use 1-800-SONESTA. Travel Pass issues should be routed through the loyalty support options connected to the member account. Privacy complaints should use 855-251-0649 or privacyinquiries@sonesta.com, while franchise matters should use the Development team.

Step 3: Request Supervisor or Management Review

Ask the hotel General Manager or Customer Care supervisor to review the complaint when the first contact does not resolve it. Provide a timeline of the stay, previous responses, and the specific refund, correction, loyalty adjustment, or other outcome you believe is appropriate.

Step 4: Use the Company’s Written Complaint Channel

Submit the issue in writing through Sonesta’s official contact process. Written documentation should include the hotel, confirmation number, dates, names of employees already contacted, receipts, photographs, and the requested resolution.

Step 5: Contact Corporate Headquarters

For an unresolved serious complaint, send written correspondence to Sonesta International Hotels Corporation, Two Newton Place, 255 Washington Street, Suite 230, Newton, MA 02458. Keep copies and proof of delivery.

Step 6: Use the Specialized Complaint or Dispute Department

Privacy and compliance complaints can be escalated to the Chief Compliance Officer, 400 Centre Street, Newton, MA 02458, or through 855-251-0649. This specialized route should be used for data-handling and compliance issues rather than ordinary hotel-service complaints.

Step 7: File With the Appropriate Regulator

Hotel safety, sanitation, accessibility, licensing, or privacy issues may fall under different state, local, or federal authorities. Use the regulator responsible for the type of complaint and the jurisdiction in which the hotel is located.

Step 8: Use Consumer Protection or Financial Dispute Options

Unresolved credit-card charges can be disputed with the card issuer where appropriate. General consumer complaints can be filed with the relevant state Attorney General or consumer-protection authority. Documentation should show attempts to resolve the matter directly with the hotel and Sonesta.

Step 9: Consider Formal Legal or Arbitration Procedures

If the dispute involves substantial financial loss or unresolved contractual rights, review the terms that applied to the booking, loyalty program, or other transaction. Preserve reservation records, cancellation terms, receipts, photographs, and Sonesta responses before obtaining legal advice or pursuing any formal dispute remedy.