MSS

What MSS does

MSS (Mortgage Support Services Ltd) is a UK-based, privately held financial services group that operates the Stonebridge network, the country's fastest-growing mortgage and protection adviser network, aggregating smaller brokers into a structure that provides access to lender contracts, compliance support, and proprietary technology they could not obtain independently. Founded in 1988 (with the MSS trading division formalised in 2019), the group operates multiple wholly-owned subsidiaries including Stonebridge Mortgage Solutions (the AR network), Stonebridge Genus (supporting Directly Authorised firms), moneyQuest (an in-house mortgage broker with 17 brokers used as an innovation testbed), Revolution (an in-house developed software platform), Stonebridge Protect and Pure Protect (in-house life, critical illness, and income protection insurance operations). SDL Surveying, a former subsidiary that managed valuation panels for HSBC, YBS, Virgin Money, and RBS, departed the group in 2025.

The group's core technology asset is the Revolution platform, developed and maintained by a dedicated in-house development team, which covers lead generation, sales progression, product selection, and business processing for advisers. Revenue is generated through AR network membership fees, commission share on mortgage and insurance transactions, in-house insurance commissions via Stonebridge Protect and Pure Protect, and direct brokerage via moneyQuest. The go-to-market combines industry events (annual conference in Birmingham), referral partnerships, news/PR, and direct business development outreach to recruit and retain AR firms.

As of 2025-2026, the network encompasses over 1,400 mortgage advisers across 658+ member firms, having facilitated £16.2bn of mortgage completions in 2025 (up from £8bn in 2019), with more AR firms joining Stonebridge than any other network for four consecutive years. The Mortgage Shop, the largest AR firm, accounts for £750m of annual completions and holds a seat on the Stonebridge technology company board. Group headcount stands at over 200 employees, with operations housed primarily through the Basildon-registered office.

Name

MSS

Legal name

Mortgage Support Services Ltd

Website

https://mssl.co.uk

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

101–250 employees

Short description

MSS is a UK-based financial services group operating the Stonebridge network, aggregating 658+ mortgage and protection adviser firms and 1,400+ advisers under one umbrella, providing access to lender contracts, compliance support, and its in-house Revolution technology platform.

Ownership category

akta.pro rank

Product category

Mortgage Advisory Network Services

NAICS

Mortgage and Nonmortgage Loan Brokers (522310)

SIC

Loan Brokers (6163), Mortgage Bankers & Loan Correspondents (6162)

akta.pro primary industry

Mortgage Point-of-Sale (POS) & Borrower Intake Portals (FSALALAD)

akta.pro secondary industry

Quality Control (QC), Compliance & Audit Tools for Underwriting (FSALALAL)

Keywords

• Mortgage adviser network
• Network aggregator services
• Financial intermediary support
• Compliance advisory services
• Lender panel access

Headquarters

HQ city

Nottingham

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. AR Network Fees: MSS generates revenue through its Stonebridge network by providing mortgage and protection advisers access to its technology platform, compliance support, and large lender contracts in exchange for network membership fees.
2. Insurance Commission: Income generated from insurance products sold through the Stonebridge network via Stonebridge Protect and Pure Protect operations, offering life insurance, critical illness cover, and income protection.
3. Surveying Services: SDL Surveying (until 2025 departure) provided surveying panel management services, managing valuation panels for major lenders including HSBC, YBS, Virgin Money, and RBS.
4. Direct Broker Operations: moneyQuest in-house mortgage broker advises on lending and generates revenue through mortgage arrangement fees, with £308m of lending in FY24.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

MSS operates as a mortgage and protection adviser network aggregator, providing appointed representative (AR) firms with technology infrastructure, compliance support, and access to lender panels. Founded in 1988 as Stonebridge Mortgage Solutions, the company has grown to support 658+ AR firms and 1,400+ advisers, with £16.2bn in mortgage completions in 2025. Its offering combines a proprietary technology platform (Revolution) with subsidiary brands spanning direct mortgage brokerage, protection/insurance distribution, and network services for advisers across the UK property market.

Product overview

MSS operates as a technology-led financial services group for the UK property market, functioning as a network aggregator. The core offering includes Stonebridge (mortgage and protection network) and Genus (for directly authorised firms), powered by the in-house developed Revolution platform for adviser software. The group includes subsidiary brands for insurance (Stonebridge Protect, Pure Protect) and an in-house mortgage broker (moneyQuest) used to pilot innovations. SDL Surveying was a former surveying panel management subsidiary that left the group in 2025.

Differentiator

Problem solved

Functional benefit

Brands

• Stonebridge: UK's fastest-growing mortgage and protection network, providing members with proprietary technology and resources; also supports Directly Authorised firms via its Genus brand
• Revolution
• moneyQuest
• Stonebridge Protect
• Pure Protect

Products and services

• Stonebridge Network Appointed Representative (AR) network membership for UK mortgage and protection advisers, providing access to lender panels, compliance support, and infrastructure. Serves 658+ AR firms and 1,400+ advisers.
• Revolution Proprietary technology platform developed by MSS to support AR firms and advisers with case management, compliance, and workflow automation within the mortgage and protection advisory process.
• moneyQuest Direct-to-consumer mortgage brokerage service operating under the MSS group, providing mortgage advice directly to consumers.
• Stonebridge Protect Protection insurance distribution arm within the MSS group offering protection products to advisers and their clients.
• Pure Protect Protection/insurance brand within the MSS group distributing protection products.
• Genus Insurance distribution brand within the MSS group.

Quantifiable outcome

• £16.2 billion of mortgage completions in 2025
• +3 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core and minor.

• The Mortgage ShopcoreChannel Partner/ Reseller/ Distributor · 1 January 2015Market leader in Northern Ireland, joined Stonebridge in June 2015. Extended partnership with new long-term deal (September 2025). 50 advisers, 23 locations, £750m annual completions. Managing Director sits on Stonebridge technology company board.
• Pure ProtectcoreChannel Partner/ Reseller/ Distributor · 1 January 2014Insurance broker Pure Protect was partially acquired by Shepherd Direct in 2014. Now operates under MSS as an in-house operation alongside Stonebridge Protect, offering insurance to customers referred by advisers outside the Stonebridge network.
• Sesame Bankhall GroupminorStrategic or Co-development Partner · 1 January 2011SBVS founded as a joint venture with Sesame Bankhall Group in 2011 to provide surveying services. SBVS combined surveying expertise from Direct Valuations with Sesame's broker network reach.
• J&E Shepherd (Shepherd Direct)minorStrategic or Co-development Partner · 1 January 2007Direct Valuations partnered with J&E Shepherd surveyors in 2007 to become Shepherd Direct, combining valuation panel management with surveying expertise.
• West Bromwich Building SocietyminorChannel Partner/ Reseller/ Distributor · 1 January 2005Acquired Mortgageforce in 2005, having grown it to 125 outlets. West Bromwich Building Society became the parent of Mortgageforce distribution network.
• Rob CliffordcoreStrategic or Co-development Partner · 1 January 2000Rob Clifford co-founded Mortgageforce as a joint venture with Direct Valuations in 2000. He later became CEO at national broker Mortgageforce, then Chief Executive of Stonebridge in 2019 and Group Chief Commercial Officer for MSS. Long-standing strategic partnership.

Scale indicators8 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Connells Group: Large UK estate agency and financial services group with its own mortgage advisory arm. A broad incumbent competing for the same property buyer as MSS-routed advisers and operating at significantly greater scale.
• Countrywide: Major UK estate agency group offering mortgage advice services alongside property sales. Broad incumbent whose in-house mortgage proposition overlaps with the consumer-facing end of MSS's network.

Direct peers

• First Complete: UK mortgage and protection network (part of the Openwork Group) providing AR firms with lender access and support. Closely comparable to Stonebridge's core AR network proposition.
• Tenet Group: UK financial advisory network and mortgage club (TenetLime) providing mortgage brokers with technology, compliance, and lender panel access — directly comparable to Stonebridge's proposition.
• London & Country Mortgages: Large UK mortgage broker operating on a whole-of-market, fee-based advice model. Comparable to moneyQuest (MSS's in-house broker arm) and to the consumer-facing advice function of the Stonebridge network.
• Sesame Bankhall Group: UK financial services network supporting mortgage and protection advisers under an AR/DA structure. Former MSS JV partner (2011); competes head-to-head for adviser recruitment.
• Openwork: One of the largest UK mortgage and protection AR networks, offering adviser firms compliance, technology, and lender access. Directly comparable to Stonebridge in business model and target customers (UK mortgage advisers).
• Mortgageforce: Established UK mortgage broker network originally co-founded by Rob Clifford. Competes in the same AR/DA adviser space with overlapping lender panels and technology offerings.

Emerging players

• Habito: Digital-first UK mortgage broker offering online advice and processing. Represents the emerging technology-led challenger that could eventually disrupt the AR-network intermediation model MSS depends on.
• Trussle: UK online mortgage broker / marketplace using technology to match borrowers with lenders. Adjacent emerging player relevant to MSS's mortgage intermediation value chain.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/mssl-uk

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries6 records

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 MSS