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Bookkeeping + A/R Support for Your Clients

Extend your services without adding extra staff

Your clients trust you for strategic guidance, not to chase invoices or enter receipts. Yet, many firms still get pulled into the weeds: fixing messy records, reminding clients to pay, and losing hours on tasks that don’t grow the practice.

That’s why we created Finance Support Partnership for Accountants.

Think of us as your behind-the-scenes team: we keep client books clean, invoices flowing, and payments on track while you stay the hero who gives clients clarity and direction.

When we work with your clients, you’ll notice:

  • Cleaner files, fewer headaches → no more sorting through messy ledgers before tax season.

  • On-time invoicing & payments → smoother cash flow for your clients (and less chasing for you).

  • Happier clients → they see you as the trusted advisor, supported by a reliable back-office.

  • More time to grow your firm → spend your energy on strategic work, not admin.

All handled by top 1% finance talents with proven track records, backed by structured processes, secure systems, and leadership oversight.

With PlusOneMark as your finance support partner, you can expand your services, strengthen client trust, and free up your time for higher-value advisory work. 

      Want to see how our partnership works? Let’s talk.

      Let’s explore how PlusOneMark can strengthen your client services.

      11 + 1 =

      Two Ways to Partner.

      Stronger Client Relationships.

      Every accounting firm has its own way of working. Some firms want to refer trusted partners and earn commission without managing extra workload. Others prefer to keep everything under their own brand, offering clients a seamless “all-in-one” service.

      At PlusOneMark, we make both possible. With our flexible partnership models, you can choose the approach that best fits your firm — while giving your clients reliable, relationship-first bookkeeping and accounts receivable support.

      Referral Partnership

      Earn passive income while focusing on advisory.

      When you refer your clients to us, we take care of their bookkeeping and receivables as if they were our own. You remain the trusted advisor, while we handle the day-to-day details.

      Benefits of Referral Partnership:

      • Recurring commission for every active client you refer

      • Zero management effort — we handle onboarding, communication, and reporting

      • Trusted execution by top 1% finance talents, ensuring your reputation is protected

      • Additional revenue stream without additional workload

      White-Label Partnership

      Expand your services without expanding your staff.

      Prefer to offer bookkeeping and receivables support under your firm’s name? With our white-label model, we work behind the scenes while you set the pricing. Your clients see it as an extended service from your firm — professional, seamless, and consistent.

      Benefits of White-Label Partnership:

      • Discounted partner pricing so you can set your own margins

      • Seamless client experience — everything carries your brand name

      • Scalable support without hiring or training additional staff

      • Full control over pricing, positioning, and client relationships

      Clean Client Books

      We keep ledgers accurate and reconciled, so when you open client files, everything is already in order. No more wasting hours fixing messy records before tax season.

      Client’s Smooth Cash Flow

      We manage receivables with timely, relationship-first reminders. Your clients enjoy healthier cash flow, and you enjoy fewer phone calls about late payments.

      Organized Invoices

      From drafting to archiving, we keep invoices structured and consistent. Your clients never miss a bill, and you never have to clean up the paperwork trail.

      Clear Client Reports

      Weekly and monthly reports give both you and your clients visibility. You can advise with confidence, knowing the numbers are current and complete.

      About PlusOneMark

      We’re not just another outsourcing agency. We’re your strategic support partner.

      Founded by a remote work pioneer with over two decades of experience, PlusOneMark helps B2B businesses grow through people-first systems, precise execution, and sincere collaboration.

      Our approach blends structure with heart — delivering consistent results without losing the human touch.

      “Every engagement should leave a meaningful mark — on your business, your people, and your growth.”

      Keep Your Clients Aligned with Healthy Cash Flow

      We help your clients thrive by keeping their books accurate and their payments flowing without adding stress or straining relationships.

      Whether it’s invoicing, receivables tracking, or reconciliations, PlusOneMark ensures your clients stay financially organized while you stay focused on higher-value advisory work.

      Finance Support That Protects Relationships

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      Seamless support tailored to your clients’ tools and processes

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      Friendly, human-first payment reminders that keep relationships intact

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      Clear reporting so you and your clients always know where things stand

      We blend structure with sincerity, helping you deliver smoother operations to your clients while reinforcing your role as their trusted advisor.

      The Right Partner Program Changes Everything

      At PlusOneMark, we bring order to client books, predictability to receivables, and peace of mind for both you and your clients.

      Curious how it works in practice? Let’s talk.
      We’ll show you how our Accountant Partner Program, rooted in accuracy, consistency, and care, can create more value for your firm.

      Decades of Experience. Modern Support That Strengthens Your Firm.

      Think about the last time you opened a client’s file in the middle of tax season. Maybe the invoices were half-recorded, receipts piled up in random folders, and the A/R aging report looked more like guesswork than numbers. Instead of focusing on advisory, you or your team spent precious hours cleaning up the chaos — hours you’ll never bill for, and hours that drained your energy.

      Now imagine a different picture. It’s late afternoon, the quarter is closing, and instead of wrestling with reconciliations or chasing overdue invoices, you log in and see clean ledgers, updated reports, and receivables already tracked. Your client has healthier cash flow, you have accurate data at hand, and there’s no midnight admin waiting for you when you get home.

      That’s the reality we create at PlusOneMark. We exist to take the weight of day-to-day bookkeeping and receivables management off your plate, so your firm can focus on the advisory role clients truly value. Every file is managed by top 1% remote finance talents with proven track records, and every process is backed by a leadership team bringing 40+ years of combined expertise in finance, systems, and client management.

      Our philosophy is simple: accuracy with empathy. We don’t just record transactions — we actively manage data so it stays useful. We don’t just send reminders — we craft them with a human touch that protects relationships while still prompting timely payments. And we don’t just fit into your clients’ world — we adapt to their tools, workflows, and time zones, so the support feels seamless and consistent.

      For accounting firms, the impact is tangible. Instead of fixing messy records before BAS or tax season, you get clean data from day one. Instead of awkward calls about unpaid invoices, you get smoother cash flow and stronger client satisfaction. Instead of losing hours on low-margin admin, you gain the headspace and time to build your practice with confidence.

      What this means for your firm:

      • Peace of mind knowing client records are accurate and reconciled

      • Clients who experience steadier cash flow and fewer payment issues

      • Freedom to focus on growth and advisory, not admin firefighting

      The end result isn’t just better books — it’s a stronger bond between you and your clients. They see you as the trusted advisor who delivers clarity and stability, while we quietly handle the back-office details that make that possible. With PlusOneMark beside you, finance support becomes an advantage you can build your firm’s reputation on.

      What Your Clients Receive Through Our Partner Program


      When you work with PlusOneMark, your firm can offer clients a complete Bookkeeping + Accounts Receivable solution — under our Referral or White-Label models. Here’s what’s included:

      Bookkeeping

      Accurate, up-to-date records maintained by top 1% professionals. Clean books make audits smoother and tax season stress-free for you and your clients.

      Invoicing

      Every bill created, sent, and tracked until paid. Your clients enjoy steadier cash flow — and you don’t have to chase paperwork.

      Payment Follow-Up

      Polite, consistent reminders keep cash flowing while protecting valuable client relationships. No awkward confrontations needed.

      Accounts Receivable

      Proactive monitoring with updated A/R aging reports and early alerts on late payers. Helping you and your clients take action before cash flow problems escalate.

      Bank Reconciliation

      Daily or weekly reconciliations ensure books match bank balances. Discrepancies are caught quickly, protecting accuracy all year round.

      Financial Admin Support

      Transaction logs, expense categorization, and prepared reports — handled by experienced finance talents, so you and your clients stay organized and compliant.

      Weekly Reports

      Concise weekly snapshots give instant visibility into cash flow, helping you advise clients without overwhelm.

      Monthly Reports

      Bigger-picture insights to spot trends, track late payers, and strengthen financial positions before small issues turn into big risks.

      Compliant Processes

      Strict SOPs and security protocols safeguard client data. Our processes deliver accuracy, reliability, and compliance — every time.

      Clients Who Have PlusOneMark-ed

      (on Clutch, Upwork, and anywhere else)

      I’ve been having some really great conversations with these leads and am speaking to some very large companies that we normally wouldn’t.

      What you are doing is working great, so thanks again and keep up the great work!

      Yuli is very committed to helping your company being successful.

      She knows her stuff and will always strive to find new ways to bring results.

      Thanks, Yuli!

      Yuli was really friendly and organized in her approach. She brought valuable knowledge to this project

      Yuli R and her team are a great assest, and wonderful to work with. Prompt, receptive, perceptive, and efficient are qualities that set Yuli head-and-shoulders beyond most freelancers. In addition, Yuli is a pleasure to work with, and very knowledgeable in the areas she assists with – outreach, LinkedIn research, marketing. And, she is very resourceful – often finding unique and valuable solutions to little tasks that would otherwise balloon into huge headaches! It has been a great experience working with Yuli, and I’ll gladly do so again!

      PlusOneMark delivered the final report in less than two weeks, communicating effectively throughout to ensure that everyone was aligned on expectations. They were prompt and insightful.

      I have worked directly with Yuli and her team since 2015 and have nothing but amazing things to say about her. Yuli is smart, hardworking, and reliable. Exactly what I was looking for from a marketing manager.

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