Greystone Investment Sales Group

What Greystone Investment Sales Group does

Greystone Investment Sales Group (legal entity: Greystone Sales Group LLC) is a Dallas, Texas-based commercial real estate services firm focused on multifamily investment sales. Founded in 2014 and operating with a headcount of 1-10 employees, the company historically maintained a regional affiliate structure, including a GREA-branded affiliate in Arkansas, to serve Southwest US and South Central US markets. Its functional role is brokerage representation for multifamily property sales transactions, with no proprietary technology, AI/ML capabilities, or productized services documented in the available sources.

The firm's business model appears to be transaction-based commission revenue on multifamily investment sales closings, typical of small CRE capital markets shops. No pricing models, customer segments, named clients, or revenue figures are disclosed. No funding rounds, institutional investors, or PE backing have been identified, and ownership is characterized as founder/management-controlled. In October 2025, the company divested its GREA Arkansas affiliate to Toronto-based Colliers, which acquired the affiliate together with four of its staff members as part of Colliers' regional expansion of multifamily sales capabilities.

Digital presence is notably thin: the listed website (greystoneisg.com) currently resolves to a third-party Indonesian-language online gaming/casino template branded "Bantenghoki," which is inconsistent with the firm's stated commercial real estate profile and suggests domain repurposing or lapsed web maintenance. No mobile app, social profiles, integrations, certifications, or management team beyond a single named Executive Managing Director (Mark Allen) are documented.

Name

Greystone Investment Sales Group

Legal name

Greystone Sales Group LLC

Website

https://greystoneisg.com

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Greystone Investment Sales Group is a Dallas-based commercial real estate firm focused on multifamily investment sales, serving Southwest and South Central US markets. It operates as a small (1-10 employee) private brokerage following the 2025 divestiture of its Arkansas affiliate.

Ownership category

akta.pro rank

Product category

Multifamily Investment Sales Brokerage

NAICS

Offices of Real Estate Agents and Brokers (53121)

SIC

Real Estate Agents & Managers (For Others) (6531)

akta.pro primary industry

Investment Sales Brokerage (BPAJABAI)

Keywords

• Multifamily investment sales
• Commercial real estate brokerage
• Investment property sales
• Real estate capital markets
• Multifamily brokerage services

Headquarters

HQ city

Dallas

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Core offering

Greystone Investment Sales Group is a Dallas-based commercial real estate brokerage firm that represents sellers and buyers in the disposition and acquisition of multifamily investment properties across U.S. regional markets. The firm operates through its core entity, Greystone Sales Group LLC, and supports deal flow via regional affiliates such as GREA Arkansas. Its core activity is intermediating multifamily investment sales transactions for property owners, developers, and institutional buyers.

Product overview

Greystone Investment Sales Group LLC is a Dallas-based multifamily investment company that was acquired by Colliers in October 2025. The company specializes in multifamily investment sales and operated regional affiliates including GREA Arkansas.

Differentiator

Problem solved

Functional benefit

Products and services

• Multifamily Investment Sales Brokerage

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• CollierscoreOthers · 9 October 2025Toronto-based Colliers acquired the Arkansas affiliate of Greystone Sales Group LLC, expanding its multifamily sales capabilities and regional presence in Arkansas. The acquisition included four GREA Arkansas staff members.

Recent moves2 records

Expansion highlights1 record

Broad incumbents

• CBRE: World's largest commercial real estate services firm with a top-tier multifamily investment properties group. Competes for the same institutional multifamily sale mandates as Greystone at a global scale.
• JLL Capital Markets: Global CRE services firm with a substantial multifamily investment sales platform in the U.S. Direct overlap with Greystone on institutional multifamily sales mandates, particularly in the Southwest.
• Cushman & Wakefield: Major global CRE services firm with an active multifamily capital markets practice across U.S. regions. Competes for the same pool of institutional multifamily sale mandates Greystone targets.
• Colliers: Global CRE services firm that acquired Greystone's Arkansas affiliate in October 2025. Directly comparable multifamily investment sales capability at scale and a logical acquirer of additional Greystone affiliates or the parent itself.
• Newmark Group: Major commercial real estate services firm with a significant multifamily capital markets practice. Comparable in that it actively competes for the same multifamily investment sale mandates Greystone pursues, though operating across many asset classes.

Direct peers

• Northmarq: Privately held CRE capital markets firm with deep multifamily investment sales and debt origination coverage across the U.S. Closely comparable regional investment sales model, particularly in the South Central U.S. where Greystone operates.
• Apartment Realty Advisors (ARA): Specialized multifamily investment sales brokerage serving institutional and private clients across U.S. markets. Direct peer in scale and product offering, focused exclusively on multifamily capital markets transactions.
• Berkadia: Joint venture between Berkshire Hathaway and Jefferies focused on multifamily capital markets, including investment sales, debt origination, and equity. Directly comparable product offering to Greystone in multifamily investment sales brokerage.
• Marcus & Millichap: The largest U.S. specialist in investment real estate brokerage, with multifamily as a core vertical. Directly comparable to Greystone as a dedicated multifamily investment sales firm, though operating at vastly greater national scale.

Emerging players

• Walker & Dunlop: Multifamily-focused commercial real estate finance company with an investment sales arm (Walker & Dunlop Investment Sales). Comparable in vertical specialization on multifamily, though primarily debt-oriented with growing equity sales.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xx.com/greystoneisg
• Facebookfacebook.com/greystoneisg

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 Greystone Investment Sales Group