Portfolio Accounting Software
Orion Portfolio Accounting is a leading back-office platform for advisor firms that integrates performance reporting, AUM fee billing, household-level data, and direct-custodian reconciliation into one scalable engine, enabling streamlined portfolio accounting tasks, faster fee collection, and customized client reporting to support business growth without added busywork.
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Orion Portfolio Accounting
#1 in portfolio accounting.
Built so the back office scales with you, not behind you.
Trusted at Every Firm Size
The back-office engine of the modern advisor firm.
Orion Portfolio Accounting is the back-office platform for advisor firms — performance reporting, AUM fee billing, household-level data, and direct-custodian reconciliation in one engine. #1 in market share for portfolio accounting1 and AUM fee billing2. So the data is clean, the reports run on time, and the bills go out — without anyone losing a weekend.
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End-to-End Technology
Eliminate Busywork and Focus on Your Clients
Drive business growth and do more for your clients by streamlining your daily portfolio accounting tasks.
Billing
Calculate, collect, and post your advisory fees in less time — so you get paid faster.
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Reporting
Tailor reports to your client’s unique preferences.
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Trading
Scale your back-office with household-level rebalancing, asset location optimization, and tax-intelligent trading.
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Professional Services
Get help from our team of experts with your most time-consuming operational tasks, including maintaining alternative assets.
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Cloud Data Warehousing
Leverage data streaming technology to promote data accessibility and transparency.
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Data Services
Give your clients peace of mind with secure, accurate, and timely data.
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Free Resource: Case Study
Strengthen Client Relationships and Grow Your Firm
When Altfest Personal Wealth Management, named to Barron’s Top 100 Independent Financial Advisors from 2013-2020, needed a new way to meet their clients’ unique, personalized needs at scale, they turned to Orion.
Find out how Orion’s superior service, specialized reporting capabilities, and powerful trading tools have not only saved Altfest time but also improved the overall experience for their advisors.
The Orion Advantage
Do Business the Way You Want.
57% of advisors cite a lack of integration between their core applications as their biggest technology pain point.3 The Orion Advantage Stack is the newest way for you to seamlessly connect all the tools you need to grow your firm.
Scale your back-office processes with household-level rebalancing, asset location optimization, and a tax-forward method to trading. Calculate and charge fees however your firm does business with our robust billing engine.
Achieve Next Level Success
Propel productivity and growth with the industry’s #1 market share for portfolio accounting software.¹
Frequently Asked Questions
What is Orion Portfolio Accounting?
Orion Portfolio Accounting is the portfolio accounting, performance reporting, and billing platform for financial advisors, RIAs, broker-dealers, banks, and family offices. It holds the #1 market share for portfolio accounting and reporting in the T3/Inside Information Software Survey, 2026.
What does Orion Portfolio Accounting include?
The platform includes performance reporting, advisory fee billing, household-level rebalancing and trading, client portal, mobile app, professional services for operations support, cloud data warehousing, and data services. Each module can be used standalone or as part of Orion Stacks (module availability varies by tier level).
Who uses Orion Portfolio Accounting?
Independent advisors, RIAs, broker-dealers, family offices, banks, and trust companies use Orion Portfolio Accounting to run their back office. Firms range from solo practices to enterprise platforms managing tens of billions in assets.
How does Orion handle reconciliation?
Orion reconciles brokerage data with custodians overnight. The platform connects directly to major U.S. custodians and is built to deliver reconciled positions before the U.S. market opens on a typical trading day.
How does Orion Portfolio Accounting compare to Black Diamond and Addepar?
Orion is the #1-market-share platform for portfolio accounting and reporting in the advisor channel.1 Compared to Black Diamond, Orion provides a deeper integrated stack — including CRM (Redtail), trading, planning, and compliance — under one platform. Compared to Addepar, Orion serves a broader segment from independent advisors to enterprise firms, while Addepar concentrates on UHNW and family offices.
Does Orion Portfolio Accounting support alternative assets?
Yes. Orion supports alternative-asset reporting, billing, and aggregation through the Professional Services team and the AltExchange integration. Advisors can aggregate, report, and bill on alts alongside traditional positions in one client view.
How is Orion Portfolio Accounting integrated with the rest of Orion?
Portfolio Accounting is the data foundation for Orion Trading, Reporting, Billing, the Client Portal, the Advisor Portal, Orion Planning, and Risk Intelligence. All Orion products read from the same source of truth, eliminating the data-sync work that comes from stitching together point solutions.
Can I use Orion Portfolio Accounting without the rest of the Orion stack?
Yes. Portfolio Accounting can be deployed as a standalone solution or bundled into the Orion Foundation, Essentials, or Advantage Stacks. Advisors who want a fuller integration typically opt for a Stack to consolidate vendors and reduce integration overhead.
How much does Orion Portfolio Accounting cost?
Pricing is based on firm size, AUM, and configuration. Contact Orion for a tailored quote and a demo. Orion Portfolio Accounting is also available as part of the Advantage Stack, which bundles core back-office and front-office tools under one agreement.
How does a firm get started with Orion Portfolio Accounting?
Request a demo to see the platform in action. From there, a dedicated implementation team scopes a tailored onboarding plan that typically includes data migration, custodian connections, billing rule configuration, and reporting template setup.
Guide
04.30.26
2026 Wealthtech Outlook
Blog
04.28.26
All-in-One vs. Best-of-Breed: What Matters Most in 2026
Blog
04.21.26
Why Portfolio Accounting Still Sits at the Center of the Firm
Blog
04.15.26
Orion's New AI Reporting Suite: Stop Clicking Around. Start Asking Questions.
Blog
04.14.26
What Growth-Minded RIAs Should Look for in Wealthtech in 2026
Blog
04.09.26
Four Questions To Ask When Evaluating Your Advisory Tech Stack
Guide
04.30.26
2026 Wealthtech Outlook
Blog
04.28.26
All-in-One vs. Best-of-Breed: What Matters Most in 2026
Blog
04.21.26
Why Portfolio Accounting Still Sits at the Center of the Firm
Blog
04.15.26
Orion's New AI Reporting Suite: Stop Clicking Around. Start Asking Questions.
Blog
04.14.26
What Growth-Minded RIAs Should Look for in Wealthtech in 2026
Blog
04.09.26
Four Questions To Ask When Evaluating Your Advisory Tech Stack
Guide
04.30.26
2026 Wealthtech Outlook
Blog
04.28.26
All-in-One vs. Best-of-Breed: What Matters Most in 2026
Blog
04.21.26
Why Portfolio Accounting Still Sits at the Center of the Firm
Blog
04.15.26
Orion's New AI Reporting Suite: Stop Clicking Around. Start Asking Questions.
Blog
04.14.26
What Growth-Minded RIAs Should Look for in Wealthtech in 2026
Blog
04.09.26
Four Questions To Ask When Evaluating Your Advisory Tech Stack
¹Source: T3/Inside Information Advisor Software Survey, 2026. Orion holds the #1 market share for CRM, Portfolio Management/Reporting Tools, and All-In-One Software. Orion also ranks in the Top 3 for Trading and Rebalancing, TAMP, and Risk Intelligence.
²Source: The Kitces Report (Vol. 1, 2025), "The Technology That Independent Financial Advisors Actually Use (And Like)." Orion holds the #1 market share for AUM fee billing.
3Source: The Trouble with Tech Integration, Investment News, 2022.
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