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Proximity bias is the tendency to favor colleagues who are physically nearby or more visible in everyday work. In a remote or hybrid team, that can give office-based employees more informal contact, faster recognition, influential assignments, mentoring and promotion attention—even when remote colleagues deliver comparable results.
The risk is real but not universal. Studies using different methods have found disadvantages for some home-based workers, while a randomized hybrid-work trial found no promotion difference over two years. The practical question is therefore not whether every remote employee is penalized, but whether a workplace makes performance and opportunity equally visible to everyone.
How proximity bias works
Physical closeness creates unplanned opportunities that are easy to overlook when evaluating fairness. A manager may hear an office worker explain a problem in the hallway, notice who stays late for a meeting, or think of someone for a project because that person is repeatedly in view. None of these moments necessarily reflects job performance, yet they can shape memory and judgment.
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In distributed teams, the equivalent signals are less automatic. Contributions may be spread across project tools, email, customer systems and meetings. If a manager relies on visibility rather than documented outcomes, remote colleagues can receive less recognition even when their work is equally valuable.
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Where the bias can appear
- Informal information: Office conversations can reveal upcoming projects or organizational concerns before they appear in formal channels.
- Recognition: A manager may remember a visible intervention more readily than behind-the-scenes work completed remotely.
- Assignments: High-profile work is often given to people who are top of mind or readily available in the office.
- Development: Mentoring, sponsorship and invitations to strategic discussions may grow out of repeated face-to-face contact.
- Promotion judgments: When performance evidence is incomplete, proximity can become an unintended shortcut for estimating commitment or readiness.
These are mechanisms that make a bias plausible; they are not proof that every office worker receives an advantage or that every remote worker is overlooked.
What the evidence shows—and what it does not
The available studies do not all measure “proximity bias” as a single construct. They examine related outcomes such as observed promotions, managers’ choices about hypothetical employees, ratings of hypothetical candidates, wages or the effect of a specific hybrid schedule. Design, population, schedule and outcome matter when comparing them.
| Source and design | Work arrangement or comparison | Outcome | Main finding | How to read it |
|---|---|---|---|---|
| Office for National Statistics, UK analysis (2021) | Workers consistently mainly at home versus consistently mainly away from home; data from 2011–2020 | Promotion received | Mainly-at-home workers were less than half as likely to have received a promotion after controls for a range of factors | Observational association; it cannot establish that working at home caused the lower rate |
| PLOS ONE managerial-choice experiment (2024) | Fully home-based and hybrid workers compared with office-based workers in scenarios | Predicted manager selection | Predicted promotion likelihood was 10.7 percentage points lower for fully home-based workers and 7.7 points lower for hybrid workers | Scenario-based preferences, not population promotion rates |
| Nature randomized trial (2024) | 1,612 graduate employees at one Chinese technology company; two work-from-home days each week | Retention and promotion over two years | Quit rates fell by one-third, with no evidence of a promotion difference | Strong causal evidence for this schedule, employer and workforce; it does not cover every remote model |
| Work, Employment and Society study (2025) | Modeled hybrid-work career outcomes with and without performance information | Promotion and salary outcomes | Hybrid-work penalties disappeared in the model when performance was known | Shows that evaluation information changes judgments; it is not proof that one policy eliminates bias everywhere |
| King’s College London vignette study (2026) | Nearly 13,000 assessments by about 5,300 employed people in the UK and Germany; candidates described as working from home three or four days a week received larger penalties | Promotion or appointment ratings | Homeworking descriptions received lower ratings | Ratings of hypothetical candidates, not realized promotions |
| U.S. Bureau of Labor Statistics working paper (2026) | Remote and hybrid workers across the wage distribution | Wage growth and promotion relationships | Remote and hybrid work were associated with higher average wage growth for workers in the top 75% of the wage distribution | Relationships varied by parental status, work arrangement and job-ladder position |
Read together, these findings support a qualified conclusion: proximity can affect career judgments, particularly when managers lack clear performance information, but a remote or hybrid schedule does not produce a universal promotion penalty.
Why the findings differ
Different questions produce different answers
The UK Office for National Statistics result concerns promotions people actually received. The PLOS ONE result concerns managers choosing between hypothetical workers. The King’s College London study measures ratings of fictional candidates. A rating or stated preference may influence a later promotion, but it is not the same as a completed promotion.
Schedule intensity matters
Two home days per week, a mostly home-based arrangement and full-time remote work create different patterns of contact. The randomized trial tested a fixed two-day hybrid schedule. The observational UK analysis focused on people who were consistently mainly at home or mainly away from home. Results from one schedule should not be generalized to another without qualification.
Context changes the effect
The Bureau of Labor Statistics reports that relationships varied with parental status, work arrangement and position on the job ladder. The King’s College London summary also found that penalties differed by gender, with the study title reporting a larger effect on men’s careers. Such subgroup findings describe patterns in those samples; they do not predict an individual employee’s outcome.
Performance information can counter visibility shortcuts
The 2025 Work, Employment and Society study found that modeled hybrid-work penalties disappeared when evaluators knew performance. This points to a practical mechanism: when results, quality and impact are explicit, physical visibility has less room to substitute for evidence. The finding does not prove that a particular scorecard or review policy will remove bias in every organization.
How proximity bias can affect a career
Access to high-value work
Promotion paths often depend on assignments that demonstrate judgment, leadership or commercial impact. If those opportunities are allocated through informal conversations, employees who are rarely present may hear about them later or not at all.
Recognition and sponsorship
Managers usually have limited attention. Repeated face-to-face contact can make one person’s effort easier to recall when a promotion slate or succession discussion begins. Sponsorship—having a senior person advocate for an employee—can also grow from relationships that are harder to form without deliberate contact.
Performance interpretation
Remote work can make outcomes less visible when work is collaborative, long-term or difficult to quantify. A quiet contributor may be judged as less engaged simply because effort is not observed directly. Conversely, a strong documentation system can make remote contributions more legible than informal office work.
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Pay and progression over time
A single missed assignment may not produce an immediate penalty, but repeated differences in visibility can compound into fewer stretch projects, slower skill development and weaker promotion cases. The evidence does not establish that this sequence occurs for everyone; it explains why fair processes matter before a disparity becomes entrenched.
How employers can reduce proximity bias
The following practices are process safeguards informed by the evidence, not interventions proven to work in every workplace.
Define promotion criteria in observable terms
Translate each level’s expectations into job-related outcomes: revenue protected, defects reduced, customers retained, systems improved, decisions led or capabilities built. Include examples of scope and complexity so reviewers assess comparable achievements rather than who was most visible.
Keep a written contribution record
Use a shared project or review system to record the owner, result, collaborators and evidence for major work. Ask employees to add concise updates, and require managers to review the same record for office and remote staff. Documentation should capture quality and impact, not hours online.
Use consistent review cycles
Set the same feedback and promotion-calendar milestones for every work arrangement. A regular written check-in reduces dependence on spontaneous office encounters and gives employees a chance to correct incomplete information before a decision.
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Audit access to opportunity
Track who receives customer-facing work, leadership presentations, mentoring, training budgets and stretch assignments. Compare access by work arrangement and investigate persistent gaps. An audit should examine role, tenure and performance context rather than assuming every difference is bias.
Design meetings for equal participation
Share agendas and decision materials in advance, allow asynchronous comments, and document decisions afterward. If some attendees are remote, avoid making consequential choices in side conversations that are unavailable to them.
Train managers to separate visibility from results
Managers can ask: What evidence shows the employee met the role’s criteria? Who had access to the opportunity that produced this evidence? Would the judgment change if the employee’s location were hidden? These prompts encourage consistent reasoning without treating remote status as either an advantage or a defect.
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Make outcomes easy to find
Maintain a short record of goals, deliverables, measurable results, customer or stakeholder feedback and lessons learned. Link each item to the responsibility or level criterion it demonstrates. Send a periodic summary before a review rather than assuming a manager will reconstruct the year from scattered messages.
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Useful questions include: “Which results distinguish the next level?” “What evidence will be considered in promotion discussions?” and “Which experiences should I gain this cycle?” Ask for the answer in writing when possible so expectations are clear.
Request comparable opportunities
If office colleagues are receiving presentations or strategic projects, ask what qualification is required and request a path to demonstrate it. Frame the request around role outcomes and development, not presumed bad intent.
Build deliberate relationships
Schedule regular one-to-one conversations with a manager and relevant senior colleagues. Use them to discuss decisions, not merely status updates. Deliberate contact cannot guarantee advancement, but it reduces the chance that important work remains unknown.
Look for patterns, not one incident
A missed invitation may have an ordinary explanation. Repeated exclusion from visible work, vague feedback and different standards for comparable colleagues are stronger signals. Keep dated examples and seek clarification through the normal review or employee-support process.
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- Were the criteria defined before candidates were discussed?
- Did reviewers examine documented outcomes for every candidate?
- Did each person have comparable access to high-impact assignments and development?
- Were conclusions based on results and role scope rather than time seen online or in an office?
- Can the manager explain what evidence would change the decision next cycle?
These questions help distinguish a proximity-related process problem from a legitimate decision based on skills, scope, timing or performance.
Bottom line
Proximity bias is a visibility problem with potential career consequences: physical closeness can influence who is remembered, included and judged as ready. Evidence from the UK, Germany, the United States and a randomized Chinese-company trial is mixed because the studies examine different schedules, populations and outcomes. Some show lower promotion preferences or observed promotion rates for home-based workers; another found no promotion difference under a two-day hybrid schedule and a one-third reduction in quitting.
The most defensible response is not to require everyone back in an office. It is to make performance, opportunity and development comparable and auditable. Clear criteria, written evidence, regular feedback and equal access to consequential work give managers better information and give employees a fairer chance to advance, regardless of where they work.
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