Insights

Property Sector Focus Mainstay's core clients operate in the UK's property sector, including FirstPort and two FTSE250 partners, creating a strong foundation for cross-selling additional professional services to asset managers, developers, and facilities providers.

Growth Ambition Alignment The stated aim to become the market leader by 2025 signals a scalable, repeatable service model and potential for packaged offerings that can be deployed across multiple clients and portfolio sizes within the property ecosystem.

Digital Transformation Opportunity Current tech usage relies on standard office tools such as Excel and Mailchimp, suggesting a clear opportunity to introduce CRM, marketing automation, data analytics, and project management platforms to boost client engagement, delivery efficiency, and competitive win rates.

Sustainability and Partnerships Past partnerships such as Energicity and ongoing high-profile client relationships indicate openness to collaborations around sustainability and energy-related property projects; explore co-delivered ESG services, energy performance reporting, and green retrofit programs to win larger engagements.

Project Pipeline Expansion Recent development activity like Arbour House demonstrates a project-based pipeline; target similar property developers, housing associations, and asset managers with end-to-end advisory and delivery services to capture expansion opportunities and diversify the client base.

Mainstay Tech Stack

Mainstay uses 4 technology products and services including Microsoft Excel, Mailchimp, Microsoft, and more. Explore Mainstay's tech stack below.

  • Microsoft Excel
    Editors
  • Mailchimp
    Email
  • Microsoft
    Miscellaneous
  • Microsoft Word
    Office Suites

Mainstay's Email Address Formats

Mainstay uses at least 2 format(s):
Mainstay Email FormatsExamplePercentage
FirstLast@mainstaygroup.co.ukJohnDoe@mainstaygroup.co.uk
76%
First.Last@mainstaygroup.co.ukJohn.Doe@mainstaygroup.co.uk
13%
FirLast@mainstaygroup.co.ukJohDoe@mainstaygroup.co.uk
6%
FLast@mainstaygroup.co.ukJDoe@mainstaygroup.co.uk
5%
First.Last@mainstay.co.ukJohn.Doe@mainstay.co.uk
60%
FLast@mainstay.co.ukJDoe@mainstay.co.uk
40%

Frequently Asked Questions

What is Mainstay's phone number?

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You can contact Mainstay's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Mainstay's stock symbol?

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Mainstay is a publicly traded company; the company's stock symbol is MTRAX.

What is Mainstay's official website and social media links?

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Mainstay's official website is mainstay.co.uk and has social profiles on LinkedIn.

What is Mainstay's NAICS code?

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Mainstay's NAICS code is 5416 - Management, Scientific, and Technical Consulting Services.

How many employees does Mainstay have currently?

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As of July 2026, Mainstay has approximately 238 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Head Of Portfolio Management: L. P.Head Of Operations: N. G.Credit Controller: E. A.. Explore Mainstay's employee directory with LeadIQ.

What industry does Mainstay belong to?

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Mainstay operates in the Management Consulting industry.

What technology does Mainstay use?

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Mainstay's tech stack includes Microsoft ExcelMailchimpMicrosoftMicrosoft Word.

What is Mainstay's email format?

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Mainstay's email format typically follows the pattern of FirstLast@mainstaygroup.co.uk. Find more Mainstay email formats with LeadIQ.

When was Mainstay founded?

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Mainstay was founded in 2000.
Mainstay logo

Mainstay

Management ConsultingEngland, United Kingdom201-500 Employees

Mainstay is a United Kingdom-based professional services firm in the Business Consulting and Services industry that serves the property sector. The company is located at 11 Queensway, New Milton, England BH25 5NR, United Kingdom, and employs between 201 and 500 people. Mainstay provides professional services to the UK property sector and aims to become the market leader in its segment by the end of 2025. Its client base includes FirstPort, the UK’s largest property management company, and two FTSE 250 partners, with plans to expand to additional clients. Reported revenue is in the range of $10 million to $25 million.

Section iconCompany Overview

Phone number
Stock Symbol
MTRAX
NAICS Code
5416 - Management, Scientific, and Technical Consulting Services
Founded
2000
Employees
201-500

Section iconFunding & Financials

  • $10M$25M

    Mainstay's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Mainstay's revenue is estimated to be in the range of $10M$25M

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