What CSSI does

CSSI Solutions is a privately held financial technology and operational support firm founded in 1995 and headquartered in King of Prussia, Pennsylvania. The company serves registered investment advisors (RIAs), broker-dealers, and enterprise investment firms with an integrated portfolio of managed services and software built around legacy and modern portfolio management platforms — principally Advent APX, Axys, and Moxy, alongside QuickBooks, SEI Trust 3000, and PortfolioCenter. Its core software asset is Portal+, a secure advisor and client reporting portal that consolidates portfolio data, performance reporting, data visualization, a secure document vault, and a reporting workspace into a single configurable environment, allowing advisors to review books of business without direct login to the underlying portfolio management system. Surrounding Portal+, CSSI delivers BackOffice services (reconciliation, reporting support, trade workflows, corporate actions, and operational cleanup), managed Cloud Hosting for APX/Axys/Moxy/QuickBooks infrastructure, technology consulting (APX, Axys, Moxy, SSRS reporting, system integration), and Data Services covering data migration, system merges, cost basis work, and Axys-to-APX migrations. The company also offers Advent Upgrades and Utilities as add-ons.

CSSI's business model combines recurring managed services and subscriptions (cloud hosting, BackOffice support, Portal+ access) with project-based professional services revenue (consulting engagements, data migrations, system integrations). Pricing is quote-based and customized to client size and requirements across three explicit segments: small emerging advisors seeking operational support, mid-sized firms with SEC reporting and regulatory compliance needs, and large enterprises focused on scale, productivity, distribution, and system integration. Go-to-market is direct enterprise field sales supplemented by content marketing (insights/blog authored by James Kipp and David Wyzynski), SEO targeting investment firms searching for APX/Axys support, and a 'Let's Connect' consultation call-to-action. Distribution is domestic-only (United States), and the firm maintains SOC 2 Type II certification covering Portal+, BackOffice, and Cloud Hosting services for 7 consecutive years.

Name

CSSI

Legal name

CSSI Solutions

Website

https://cssi.org

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

51–100 employees

Short description

CSSI Solutions is a privately held US financial technology firm founded in 1995 that provides Portal+ reporting software, BackOffice operational support, managed cloud hosting, consulting, and data services to RIAs, broker-dealers, and investment firms using Advent APX, Axys, and adjacent portfolio management platforms.

Ownership category

akta.pro rank

Product category

Investment Management Technology

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518), Computer Systems Design and Related Services (54151), Portfolio Management and Investment Advice (523940)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Processing & Data Preparation (7374), Services-Computer Programming Services (7371)

akta.pro primary industry

Fund Services & NAV Support (Fund Accounting Interfaces) (FSAFALAJ)

akta.pro secondary industries

Corporate Actions Processing & Entitlements Settlement (CSD-Run) (FSAFAGAI), Full-Service Retail Brokerage & Wealth Platforms (FSAAAAAA)

Keywords

• Investment management software
• Portfolio reconciliation services
• Cloud hosting financial firms
• RIA back-office support
• Financial technology consulting

Headquarters

HQ city

King Of Prussia

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Managed Services & Subscription: CSSI generates revenue through recurring managed services including cloud hosting, BackOffice support, consulting, and data services. The company's 31-year history suggests established recurring revenue relationships with investment firm clients.
2. Professional Services: Technology consulting services for APX, Axys, Moxy, SSRS reporting, system integration, and financial technology implementations.
3. Software Platform (Portal+): Portal+ client and advisor portal platform providing secure document vault, reporting workspace, and business review capabilities.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

CSSI Solutions provides integrated financial technology, BackOffice services, cloud hosting, consulting, and data services for RIAs, broker-dealers, and investment firms. At the center is Portal+, a secure advisor and client reporting portal that consolidates portfolio data, performance reporting, document vault, and visualization. Services include reconciliation, trade workflows, corporate actions, managed hosting for APX, Axys, Moxy, and QuickBooks, data migration, system integration, and Advent upgrade support.

Product overview

CSSI offers an integrated platform centered on Portal+, a secure advisor and client portal that brings portfolio data, performance reporting, and data visualization into a single configurable experience. Supporting the core Portal+ product, CSSI provides BackOffice services (reconciliation, reporting support, trade workflows, corporate actions, and operational cleanup), Cloud Hosting (managed hosting for APX, Axys, Moxy, and QuickBooks), Consulting (APX, Axys, Moxy, SSRS reporting, and system integration), and Data Services (data migration, system merges, cost basis work). The portfolio also includes Advent Upgrades and Utilities. Together, these solutions provide integrated financial technology, reporting, and operational support for investment advisors, broker-dealers, and enterprise financial firms.

Differentiator

Problem solved

Functional benefit

Brands

• Portal+: Secure advisor and client reporting portal that brings portfolio data, performance reporting, and data visualization into a single, configurable experience. Includes client portal, advisor portal, secure document vault, and reporting workspace.
• BackOffice

Products and services

• Portal+ Secure client and advisor portal offering advisory firms a client portal, advisor portal, secure document vault, and reporting workspace. Enables advisors to review books of business without logging into the portfolio management system and provides clients with a cleaner reporting experience.
• BackOffice Services Operational support services for investment firms including reconciliation, reporting support, trade workflows, corporate actions, and operational cleanup. Includes APX reconciliation and APX SSRS reporting sub-services.
• Cloud Hosting Managed hosting services for APX, Axys, Moxy, QuickBooks, and broader investment firm infrastructure. Includes Axys hosting, Advent cloud hosting, and cloud migration services.
• Consulting Technology consulting services covering APX, Axys, Moxy, SSRS reporting, system integration, and broader financial technology consulting for investment firms.
• Data Services Data management services including data migration, system merges, cost basis work, and portfolio management data support. Includes Axys-to-APX migration and cloud migration services.
• Advent Upgrades Upgrade services for Advent software products to help investment firms transition to newer versions or platforms such as APX.
• Utilities Utility tools and services that support investment firm operations.

Quantifiable outcome

• Improved advisor efficiency through consolidated access to portfolio data without logging into multiple systems

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature4 records

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Emerging players

• Advyzon: All-in-one cloud platform for RIAs offering CRM, portfolio management, reporting, client portal, and document storage. A more integrated emerging competitor to CSSI's combined Portal+ and BackOffice stack, particularly attractive to small and mid-sized firms.
• BriteCore: Cloud-based core platform for insurance and wealth management firms, offering policy/admin, client portals, and reporting. Adjacent but partially overlapping with CSSI's workflow automation and portal capabilities for advisory and insurance-adjacent wealth firms.
• AdvisorEngine: Custodian-agnostic wealth management platform with CRM, portfolio accounting, client portal, and reporting. Targets the same RIA segment as CSSI with a more unified product approach that could reduce demand for separate back-office specialists.
• Riskalyze: Risk tolerance and proposal platform adopted by many RIAs that CSSI serves. Comparable in customer segment and as an overlay product that competes for the same wallet and workflow mindshare among mid-sized advisory firms.

Broad incumbents

• Envestnet: Large wealth management platform offering portfolio management, reporting, custodial integration, and advisor portals. Competes broadly with CSSI across the RIA tech stack and represents the kind of scaled incumbent CSSI must differentiate against via niche specialization.
• FIS Global: Large financial technology and processing provider offering custody, back-office processing, and hosted infrastructure for investment firms. Represents a broad incumbent competitor to CSSI's BackOffice, reconciliation, and cloud hosting service lines.
• SEI Investments: Owner of SEI Trust 3000, one of the platforms CSSI provides reconciliation services against. SEI's wealth and investment platform business addresses many of the same RIA and broker-dealer operational needs that CSSI supports as a third-party services layer.
• Advent Software (SS&C): Owner of APX and Axys — the underlying portfolio management platforms CSSI hosts, migrates between, and supports. SS&C's Advent business is a broad incumbent that competes indirectly with CSSI's managed services layer by offering its own hosting, consulting, and reporting add-ons.

Direct peers

• Orion Advisor Technology: Cloud-native portfolio management, accounting, reporting, and client portal platform for RIAs. Highly comparable to CSSI's Portal+ and BackOffice offerings, targeting the same RIA and breakaway-broker-dealer customer base with a more integrated suite.
• Black Diamond (SS&C): Cloud-native portfolio reporting and client portal platform for RIAs, now under SS&C. Comparable to CSSI's Portal+ and reporting offerings, with similar RIA target customers and overlapping advisor portal functionality.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/CSSI_jobs
• Facebookfacebook.com/clientserverspecialists
• LinkedInlinkedin.com/company/cssi-incorportated

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 CSSI