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Hire MS Access developer · Microsoft Access database developer for hire · remote USA, UK, Canada

Hire an MS Access Developer Who Fixes the Problem — Not the Symptom

You're not looking for someone to tell you Access is outdated. You're looking for a developer who will open your .accdb, read what's actually running, and fix what's broken — then tell you exactly what changed and why. That's what hiring a senior MS Access developer here gets you.

VBA that doesn't compile. Queries that were fast last year and aren't now. Multi-user crashes on the third concurrent session. Corruption that keeps coming back. These aren't mysteries — they're specific, diagnosable, fixable problems for someone who has spent 15 years working in Access databases.

I've recovered databases that other developers called unrecoverable. I've fixed performance problems that IT blamed on the network. And I've done it on codebases I'd never seen before, written by developers who left years ago, with no documentation. That's the job.

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  • Same-day triage on critical fixes when you send version, bitness, and error text
  • Work done on copies — never debugging on live production data

Most Access systems don't need a rebuild. They need a proper indexing strategy, a clean FE/BE split, and VBA that handles errors instead of hiding them. The 2GB file ceiling and WAN latency punish sloppy queries long before anyone blames the server.

Tell me what's broken

Your Access and Office version, bitness (32 or 64-bit), error text or symptom description, and whether you can share a copy. That's enough to start.

Max 15MB. Access, PDF, Excel, ZIP, or images—if it helps explain the issue.

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15+ years MS Access experience500+ databases recoveredRemote USA · UK · Canada

Real Scenarios I Fix — Not a Services Brochure

These are the actual situations that show up in production Access databases after years of patches, staff turnover, and Office updates. If yours is on this list, I've seen it before.

The original developer left and nobody can touch the VBA

The modules compile on one machine and nowhere else. References resolve differently depending on who opens it. There's no documentation, no error handling, and the code path that runs payroll goes through four nested functions nobody named. I map the entry points, add logging on every external call, and refactor in slices — not a rewrite that breaks everything at once.

Works fine for two users. Falls apart at three.

Classic split-backend problem or page-locking on a monolithic .accdb that was never split. I reproduce with concurrent sessions under the same conditions your users hit it — not on a clean dev machine. Then I fix the FE packaging, the query shape, and the locking strategy. Not "buy more RAM" and not "upgrade to SQL Server" as the default first answer.

Reports that took ten seconds now take ten minutes

Usually a query plan that changed after data volume grew past a threshold, a missing index on a join column, or a subquery executing once per row in a loop instead of once. I bound recordsets, fix join shapes, and index the actual filter columns — then measure before and after so you have something concrete to point to.

Error 3048: Cannot open any more databases

You have a DAO or ADO connection leak — recordsets opened and never closed, workspaces accumulating, recursive form loads that open a new database object each time. I hunt every unclosed object in the call stack and cap the pattern at the source so it stops exhausting the Jet engine after a few hours of use.

64-bit Office upgrade broke everything

32-bit Declare statements, ActiveX controls that don't exist in a 64-bit runtime, API calls that compile fine but crash at runtime, LongPtr and PtrSafe declarations missing or wrong. I've done more of these migrations than I can count. I compile against your target Office build and test every API-dependent path before you roll fleet-wide.

Month-end totals don't match the accounting system

This one is almost never a VBA problem. It's a query grain problem — a join that's multiplying rows, a grouping that's at the wrong level, or a DISTINCT that was added to suppress symptoms instead of fixing the cause. I trace the mismatch back through the query stack and fix it at the source. No more manual reconciliation every close.

What an MS Access Developer Actually Handles — Technical Breakdown

  • VBA refactoring: module boundaries that make sense, error handling on every external call, DAO/ADO recordsets with proper scope and teardown instead of DLookup storms that hit the database once per row.
  • Query optimization: join shape, index coverage on real filter and join columns, subquery restructuring, and parameterized queries that don't rebuild a plan from scratch on every run.
  • Split FE/BE architecture: proper backend separation, FE packaging for deployment, linked table management, and version rollout without data loss or downtime.
  • Multi-user stability: locking strategy (page vs. record level), concurrent session testing under real load, split hygiene, and network path analysis for WAN and VPN deployments.
  • 64-bit migration: PtrSafe and LongPtr declaration updates, ActiveX replacement where 64-bit equivalents don't exist, API-dependent code path testing against the target Office build.
  • SQL Server integration: pass-through query design, linked table reliability, ODBC connection management, and transaction handling across the Access/SQL Server boundary.
  • Corruption diagnosis and recovery: tracing why corruption is happening (not just running Compact and Repair), object-level recovery where possible, and architecture changes to prevent recurrence.

Why Access Projects Fail — and Why the Same Problems Keep Showing Up

The first killer is no normalization. Duplicate natural keys, nullable foreign keys in columns that should be required, 'just add another column' as the answer to every new requirement. The UI looks fine. The forms work. Then month-end comes around and the Access totals don't match the accounting system by a number nobody can explain. That's a data model problem, and it doesn't get better by adding more VBA to compensate.

The second killer is macros in production code. Macros are fine for getting a prototype in front of someone quickly. In a production database that runs payroll or inventory, they're a liability — nobody can diff them, nobody can add real error handling, and nobody can trace what actually ran when something breaks at 2am on a Tuesday. Maintainable VBA with real error handling and logging is the correct answer for anything that matters.

The third killer is running Access over a slow VPN without a terminal server or proper WAN architecture. Every bound form field generates network traffic. A query that runs in two seconds on a LAN can take three minutes over a 20ms-latency VPN connection. If the Access developer you're talking to never mentions latency, network path, or WAN architecture as a factor in performance, they're not sizing your problem — they're sizing their invoice.

Who Hires an MS Access Developer

Operations managers with a database nobody will touch

Running a database that handles scheduling, billing, or inventory — and the last person who understood the VBA left eighteen months ago. The database still runs, but nobody will make changes because every change breaks something unexpected.

IT directors managing a legacy Access application

Responsible for an Access application that a department refuses to replace. They need a developer who can stabilize it, document what it does, and make it survivable through the next Office version update.

Finance teams whose reports stopped reconciling

Month-end reports that used to match the GL and don't anymore, or that produce different numbers depending on who runs them. They need someone who will trace the discrepancy through the query stack and fix it at the source.

Small business owners outgrowing Excel

Tracking operations, customers, or inventory in spreadsheets that have grown beyond what Excel can manage reliably. They want a real database without the cost and complexity of enterprise software.

Developers who hit the Access-specific ceiling

Comfortable with general development but encountering Access-specific problems — Jet engine behavior, DAO/ADO subtleties, split architecture issues — that require platform-specific expertise to diagnose and fix.

Companies evaluating SQL Server migration

Wondering whether to migrate Access to SQL Server. They need an honest assessment of whether migration will solve the actual problem — or whether it will move the problem to a more expensive platform.

How Hiring an MS Access Developer Works — Process and Pricing

  • You send the symptom: Access and Office version, bitness, error text or description of what's wrong, and whether you can share a copy. That's enough to start a conversation.
  • Diagnostic read: I review the FE/BE structure, the linked objects, the five slowest user paths, and the VBA modules relevant to the problem. No pep talk — evidence.
  • Scope: immediate fires vs. long-term stability work. You choose hourly triage or fixed-scope modules with written acceptance criteria. I tell you honestly which structure fits the problem.
  • Deployment: packaged FE drops, staged rollouts with rollback notes, and written documentation of every change for your IT team. Goal is zero-downtime deployment where the workflow allows it.
  • Pricing: hourly for troubleshooting and incident work. Fixed-price for new modules when the scope boundary is clear. Baseline $50/hour, 30-minute free consultation for qualified projects.

Case study

US distribution company — legacy .accdb approaching 2GB, report performance degrading monthly

Before → after

Bloat, bad query shape, and a VPN deployment: diagnosed and fixed

Before

  • Attachments and historical transaction tables never archived — backend growing toward the 2GB Jet file limit with monthly compact-and-repair anxiety.
  • Main month-end report scanning full unbounded history on every run, executed by five users over a VPN connection simultaneously.
  • One developer had added DISTINCT to suppress duplicate rows that the data model was producing — masking the root cause while totals stayed wrong.

After

  • Archive path built for records older than rolling 24 months — working set dropped materially, compact risk eliminated.
  • Indexed join keys, parameterized date window on the history query, report scoped to current period by default with full-history option on demand.
  • Root cause of DISTINCT: missing relationship between order and invoice tables causing row multiplication. Relationship added, DISTINCT removed, totals match GL.

Results

  • Report runtime from minutes to seconds
  • Compact anxiety eliminated
  • GL reconciliation clean

Hired as an MS Access database developer — scoped, tested, documented, no platform migration required

SQL Server upsizing stayed off the table because the file engine wasn't the problem. The query design was.

Hire an MS Access Developer — USA, UK & Canada

Remote Microsoft Access development delivered across three countries.

MS Access developer for hire — remote USA, UK, Canada, and worldwide where hours overlap. No agency relay, no handoff queue. Strategy: MS Access database consulting. Speed: MS Access performance optimization. Incidents: MS Access error troubleshooting. Retainers: MS Access freelance support.

USA

New YorkLos AngelesChicagoHoustonPhoenixPhiladelphiaSan AntonioSan Diego

UK

LondonManchesterBirminghamLeedsGlasgowLiverpoolNewcastleSheffieldBristolEdinburghCardiffBelfastNottinghamSouthamptonBrighton

Canada

TorontoMontrealVancouverCalgaryEdmontonOttawaWinnipegQuebec CityHamiltonHalifaxVictoriaSaskatoonReginaKitchenerMississauga

United States, United Kingdom, and Canada—cities and regions above are examples of where clients hire me; remote delivery works the same elsewhere when hours overlap.

Don't see your city listed?

I work remotely across the USA, UK, and Canada — and beyond when time zones overlap. When you hire an MS Access developer through this site, you get me on the thread — not a relay desk.
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Related pages

Looking for direct MS Access freelance work rather than a full engagement? Hire an MS Access freelancer for scoped fixes — VBA, queries, forms, reports — one person, same-day start, no agency overhead.

What clients say

Operations and finance leads—real engagements, not placeholder quotes.

Olivia R.

Operations Manager, Logistics Firm (USA)

“Five stars—our MS Access database developer rebuilt reporting so leadership trusts the numbers. Weekly reporting dropped by more than half with zero manual merges.”

Callum P.

Director, Manufacturing SME (UK)

“Outstanding Access database services: they repaired corruption, fixed slow queries, and documented everything. Our team finally has a stable system we can grow with.”

Amelia D.

Finance Lead, Distribution Company (Canada)

“Professional, fast, and clear. As an MS Access consultant they nailed scope, hit milestones, and cut finance support tickets dramatically—highly recommend.”

If Your Access Database Is Slowing Down Your Business, It's Time to Fix It

Limited project slots — work stays hands-on and senior-led. Fastest path to a start: send your Access and Office version, bitness, a plain description of what's broken or what you need built, and whether you can share a copy.

Hire for a project when you need code shipped. Get a system audit when you need a written read before you commit to spend.

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Frequently asked questions

Straight answers about hiring an MS Access developer — what the work involves, when Access is still the right platform, and how to get started.

What does it mean to hire an MS Access developer vs. just a general developer?
A general developer can write VBA and build forms. An MS Access developer understands the specific failure modes of the Jet/ACE engine — query plan behavior, page-locking patterns, DAO vs ADO tradeoffs, split database architecture, and the dozen ways Access lets you build something that works in development and falls apart under production load. These aren't things you learn from documentation. They come from having opened hundreds of Access databases that someone else built and figuring out why they're broken. When you hire an MS Access developer who specializes in this platform, you're paying for that pattern-matching — which means you don't spend three weeks debugging something that takes a specialist three hours.
How do I know if my Access database needs a developer or a full rebuild?
Most databases that people think need a rebuild don't. The cases that genuinely warrant a rebuild are narrow: the data model is so structurally wrong that fixing it costs more than starting clean, the file has been corrupted beyond object-level recovery, or the application needs to do something fundamentally incompatible with the Access runtime. Everything else — VBA that's a mess, queries that are slow, forms that crash, multi-user problems, reporting that produces wrong numbers — is fixable without a rewrite. I'll tell you which category you're in after a diagnostic read of the file. I don't recommend rebuilds to generate billing.
Can you fix a database someone else built?
Yes — this is the majority of the work I take on. I read whatever is in the file: the module code, the query SQL, the form event stack, the relationship diagram (or lack of one). I don't need the original developer's notes or a spec. I need the file, your Access and Office version, and a clear description of what broken looks like. The only thing that slows me down on inherited work is when there's no way to reproduce the problem — so if you can describe a specific, repeatable symptom, that's worth more than any amount of documentation.
Can you fix a corrupted Access database?
Sometimes, and I'll tell you honestly after looking at it rather than after charging you for hours of archaeology. If the file header is intact and objects can be imported into a clean container, recovery is usually realistic. If the MDB or ACCDB is physically shredded — sectors overwritten, header destroyed — there's nothing to work with and I'll say so. The most important thing: stop running Compact and Repair on a database that keeps corrupting. That masks the cause. Send me the file and a description of when the corruption happens and I'll tell you what's actually going on.
How quickly can you start on an MS Access project?
For critical fixes — production down, month-end blocked, corruption — same-day triage when you include your Access version, Office bitness, and error description. For larger refactors and new development, I do a diagnostic read first before committing to a timeline, because I don't rewrite on live data blind. Having a sanitized copy of the database ready to share compresses the ramp significantly. Most new engagements start within a few business days of the initial conversation.
How do you charge — hourly or fixed price?
Hourly for troubleshooting, triage, and anything where the full scope isn't known until I'm in the file. Fixed-price for bounded new modules or defined repair work once the scope is written and testable. I'll tell you which structure fits your situation before we start. Baseline: $50/hour, with 30-minute free consultation for qualified projects. I don't run open-ended hourly billing on problems where the endpoint is knowable.
Is Microsoft Access still worth using in 2024 and 2025?
For the right use case — yes, and I'll be direct about what that means. Access is still the fastest way to build and maintain internal database tools for small to mid-size teams when the data model is tight, the architecture is split correctly, and someone who knows the platform is maintaining it. It handles workloads up to 15–20 concurrent users reliably. It integrates natively with the rest of the Microsoft Office stack. It doesn't require server infrastructure or subscription costs. What kills Access databases isn't the platform — it's building them without normalization, without a split architecture, without indexes, and without anyone who understands how the Jet engine actually works. That's a maintenance and expertise problem, not a platform problem.
When should I migrate from Access to SQL Server instead of hiring an Access developer?
When the data tier — not the query design or the VBA — is the actual bottleneck. Specifically: when you have more than 15–20 simultaneous write users and the locking behavior is the root cause (not the symptom), when your data volume has grown past what Jet/ACE handles efficiently, or when you have enterprise security requirements that Access can't meet. SQL Server upsizing does not fix bad query design, bad data models, or poorly written VBA — those problems migrate with the data. If you're considering migration because something is slow or broken, hire an Access developer to do a diagnostic first. In most cases the problem is fixable in Access and migration is premature.
Do you work on Access databases connected to SQL Server?
Yes — Access front end with SQL Server backend is a common and practical architecture, and I work in it regularly. The specific issues are different from pure Access-only work: pass-through query design, linked table refresh behavior, connection string management, transaction handling across the ODBC boundary, and join behavior between linked tables and local queries. I bring expertise on both sides of that boundary.
How do you handle 32-bit vs. 64-bit Access compatibility issues?
Bitness mismatches are one of the most common reasons an Access database that worked fine for years suddenly stops working after an Office update. The fix requires updating Declare statements to use PtrSafe and LongPtr, replacing 32-bit-only ActiveX controls with 64-bit alternatives or VBA equivalents, and testing every API-dependent code path against the target bitness. I compile against your specific Office build and test thoroughly before you deploy. I don't push a fix that works on my machine and then hand it to you to test on yours.
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